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Backend Engineer Jobs
Overview
Looking for top Backend Engineer jobs? Discover the latest backend developer opportunities on Haystack, your go-to IT job board. Whether you specialize in Java, Python, Node.js, or Ruby, find the perfect backend engineering role to advance your tech career today. Start browsing backend developer jobs now!
Full Stack Developer
Erin Associates
Burnley
Hybrid
Mid - Senior
£40,000 - £45,000
RECENTLY POSTED

Full Stack Developer – Blackburn - Hybrid working
Full Stack, Developer, JavaScript, TypeScript, React, Blackburn, Lancashire, North West

This advanced solutions provider requires a driven and self-motivated Full Stack Developer to join their busy technical team and motivate those around them. They are based in Blackburn and are operating a hybrid working model. The key to this role is leading the design and development of scalable web applications and platforms.

The Full Stack Developer will be responsible for:

Defining architecture and development standards by building high-performing, and maintainable code bases
Improving deployment pipelines, engineering practices and CI/CD workflows
Collaborating with product, leadership and marketing teams
Mentoring junior developers and providing code reviews
Overseeing integrations with APIs and driving performance optimisation
The following skills and experience are required:

Strong full stack web development experience
Strong experience with JavaScript, TypeScript and modern frameworks (React)
Experience providing scalable front-end architectures
Experience with Git workflows and CI/CD pipelines
The company have an excellent reputation within their sector. They really look after their employees by offering structured training, the opportunity to develop your technical knowledge and a clearly defined career path. On top of this, they offer excellent remuneration including an incentive scheme to truly recognise and reward their staff.

If you have not heard back from us within 5 working days, please assume that your application has been unsuccessful on this occasion. Your profile may be considered for other suitable vacancies that arise within the next 12 weeks.

Erin Associates welcomes applications from people of all ethnicities, genders, sexual orientations, and disabilities. Please inform us if you require any reasonable adjustments at any stage of the application process. Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy

Software Developer
Erin Associates
Birmingham
Hybrid
Mid - Senior
£50,000 - £60,000
RECENTLY POSTED
+2

Software Developer – Central Birmingham (Hybrid, 1 day onsite)
Birmingham City Centre
Salary - £50-60k + Excellent Benefits

A leading enterprise software house is seeking an experienced Full Stack Developer to join its Birmingham development team. This hybrid role offers a great balance of flexibility and collaboration.
The Software Developer will design, develop, and deliver scalable, high-performance applications, working across the full stack with Node.js, React, and C#. The role involves building RESTful APIs, contributing to CI/CD pipelines and cloud deployments, and ensuring quality through automated testing. You’ll join a cross-functional agile team responsible for building and evolving modern cloud applications used by engineers and transport organisations across the globe.

Key Requirements for this Full stack Developer:

5+ years’ experience with Node.js, & React
Strong REST API development skills
Solid current experience with C# in enterprise environments
Knowledge of CI/CD, cloud infrastructure, and Azure DevOps
Experience with Cypress Testing tool
Core responsibilities

Develop, maintain, and enhance our cloud-based applications and services.
Work across the full stack, with a focus on C# & Node.js development.
Collaborate with designers, product owners, and other engineers in an agile environment.
Deliver robust APIs and services using RESTful architecture.
Apply Test-Driven Development to ensure reliability and maintainability.
Use Git for version control and Azure DevOps for tracking tasks and estimations.
You’ll join a cross-functional agile team responsible for building and evolving modern cloud applications used by engineers and transport organisations worldwide.
The role focuses primarily on backend development using C# / .NET and Node.js, while also contributing to a React frontend and working closely with QA, delivery and product teams.
The developer will work across the full software development lifecycle, from designing new features to writing tests and improving engineering practices in a collaborative, agile team developing data-rich, user-friendly enterprise applications.

They have really exciting projects on the go and are looking for developers who match their ambition and energy. If you are a Fullstack developer who can travel into Birmingham city centre once a week with solid skills in C#, Node & React, please send your cv for consideration

Erin Associates Ltd acts as an Employment Agency for this vacancy.

Keywords: C# Developer , Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, Simulation, CI/CD, Azure DevOPs, Birmingham, West Midlands, Full Stack
Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy

SQL Database Administrator
Cathcart Technology
Glasgow
In office
Mid - Senior
£45,000 - £52,000
RECENTLY POSTED

A well-established organisation in Glasgow is looking for a SQL Database Administrator to join the IT team (fully on-site).

This is an exciting opportunity to play a key role in managing and optimising the organisation’s SQL database environments, ensuring data is secure, reliable and accessible to support business-critical systems and reporting.

What You’ll Be Doing:

You’ll be at the heart of the organisation’s data infrastructure, acting as the go-to expert for managing and maintaining the company’s SQL estate. From monitoring performance and troubleshooting database issues to supporting system integrations and data transfers, you’ll take ownership of keeping databases running smoothly and efficiently.

You’ll collaborate closely with colleagues across the IT function including the BI team, developers and infrastructure specialists, helping to ensure data is accurate, available and performing optimally across the organisation. A big part of the role will involve supporting reporting and analytics initiatives by working with BI analysts and developers to ensure data is structured and accessible for business intelligence tools.

You’ll also be responsible for implementing and maintaining backup, recovery and disaster recovery strategies, as well as carrying out performance tuning and query optimisation where required. Alongside the hands-on technical work, you’ll maintain documentation, ensure data security best practices are followed and contribute to continuous improvements across the organisation’s data platforms. This is a varied and technical role where you’ll have the opportunity to work across both production and non-production environments while supporting a range of internal stakeholders.

You’ll ideally have most of the following:

You’ll be an experienced and detail-oriented database professional who enjoys solving complex problems and ensuring systems operate reliably. You’ll be comfortable working in a fast-paced environment, collaborating with both technical and non-technical colleagues while managing multiple priorities.

* Strong experience administering Microsoft SQL Server environments* Experience with performance tuning, query optimisation and database monitoring

* Experience implementing and maintaining backup, recovery and disaster recovery solutions Experience supporting BI and reporting solutions (e.g. Power BI)* Experience with Azure-based database environments

** Strong troubleshooting, communication and organisational skills

Experience working with technologies such as ODBC, OpenQuery, MySQL, MSSQL or Salesforce data would be beneficial but is not essential.

This role comes with a salary of up to £52,000 + benefits and is based full-time on-site in Glasgow (5 days per week).

If this sounds interesting, please apply or contact Matt MacAlpine.

Cathcart Technology is acting as an Employment Agency in relation to this vacancy

Data Engineer
Ncounter Limited
London
In office
Mid - Senior
£70,000 - £90,000
RECENTLY POSTED

Ncounter are supporting a specialist technology consultancy delivering advanced data and software platforms into highly secure Government and Defence environments. We are seeking an SC Cleared Consultant Engineer to join a growing engineering capability working on complex, mission critical programmes where large scale data engineering and software development sit at the heart of operational decision making.

This is a highly technical position suited to engineers who enjoy building robust software solutions and scalable data pipelines while working closely with analysts, architects and stakeholders to solve complex problems. The focus of the role is hands on engineering, designing and developing reliable systems that integrate diverse data sources and support advanced analytics within secure environments.

Working across the full engineering lifecycle, you will translate complex operational requirements into well engineered technical solutions. This will include designing and developing ETL pipelines, integrating multiple data sources, and building software driven workflows that enable users to interrogate and act on data effectively. Experience working with modern data platforms, including environments similar to Palantir Foundry or Gotham, is beneficial but not essential.

Core experience required:

• Active SC clearance, with the ability to work within secure Government or Defence environments
• Strong software engineering capability with languages such as Python, Java, C#, or JavaScript
• Proven experience designing and implementing ETL pipelines and data ingestion frameworks
• Experience working with complex datasets, data transformation and large scale data integration
• Ability to work closely with analysts, architects and end users to translate problems into engineering solutions
• Exposure to data analysis, problem decomposition and technical consulting within client facing environments

This role will suit engineers who enjoy blending strong software development skills with data engineering and analytical problem solving, working directly with users to build tools and platforms that deliver tangible operational impact.

If you hold active SC clearance and want to work on technically demanding programmes where engineering quality and data expertise are critical, contact Ncounter for a confidential conversation

Machine Learning Developer
Rubicon Consulting
West Midlands
In office
Mid - Senior
Private salary
RECENTLY POSTED

Rubicon Consulting is currently recruiting for a Machine Learning Developer on a 6 month contract based in Midlands.

Requirements:

· 5+ years of experience designing and implementing end‑to‑end ML solutions in production.

· Strong command of ML algorithms, model development, training, validation, and optimization.

· Expertise in Python, ML libraries, and version control (Git).

· Clear understanding of model evaluation, data leakage, and the bias/variance trade‑off.

· Hands‑on experience with cloud platforms (AWS/Azure/GCP) and MLOps practices, including Docker, CI/CD, deployment, and monitoring.

· Demonstrated success deploying and maintaining production ML models and writing modular, production‑grade code.

· Strong experience preparing, transforming, and validating complex real‑world datasets.

· Familiarity with LLMs/SLMs and modern ML frameworks (e.g., PyTorch, TensorFlow, HuggingFace).

· Excellent problem‑solving abilities and communication skills.

· Proven ability to work cross‑functionally with engineering and product teams.

Our Company

Rubicon Consulting is a Talent management consultancy which helps you to optimise business performance and competitive advantage by choosing the right people first time

Senior Software Engineer
CPS Group Limited
Cardiff
Hybrid
Senior
£60,000 - £65,000
RECENTLY POSTED

Senior Software Engineer (Full Stack - Angular Focus) £55,000 - £65,000 + package Cardiff (onsite approx. once/twice per month) Eligible for Security Clearance (must have resided in the UK for the last 5 years) CPS Group are working with a leading organisation to recruit a Senior Software Engineer to join a highly skilled, collaborative engineering team delivering enterprise-scale solutions in an agile environment. This is a full-stack role with a strong emphasis on frontend development. You’ll be working primarily with Angular, which is essential for this position, while also contributing to backend services as the platform evolves. While Java experience is beneficial, this is not a pure Java role. Backend experience in Java or a similar language is required, with the expectation that Java will feature more prominently at certain stages of development. Key Responsibilities Design, build, and maintain high-quality frontend applications using Angular Contribute to full-stack development across modern, scalable systems Collaborate with backend engineers on API design and integration Work across the full software development lifecycle with a DevOps mindset Apply best practices including CI/CD, automated testing, and clean code principles Operate within an agile team, contributing to continuous improvement and technical decisions Ensure solutions meet security, performance, and quality standards Key Skills Required Strong commercial experience with Angular (essential) Full-stack development experience Backend experience using Java or a similar server-side language Understanding of modern software engineering best practices Experience working in agile delivery teams Familiarity with CI/CD pipelines (desirable) Exposure to cloud or containerised environments (beneficial, not essential) Contact: Zach Bennett - CPS Group Contact: Zach Bennett - CPS Group

By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed) src="(url removed)

Medical Device Software Engineer
ECM Selection Limited
Cambridge
In office
Senior
£70,000 - £80,000
RECENTLY POSTED
+1

Become the founding member of this medical device software development team
On the borders of Essex and Cambridgeshire, this diagnostics company develops medical instrumentation that provides accessible and timely results for public health purposes. Their system uses a combination of embedded C running on an RTOS, A React-Native app running on Android, and centralised data collection based on the LAMP stack and MariaDB.
With products already on the market, they are seeking to move their software development in house, and are seeking an experienced and adaptable Senior Software Engineer to form the nucleus of their software team. The process of taking on board software development will be gradual, and supported by current (external) developers, so immediate familiarity with the entire stack isn’t expected; however, a strong understanding of embedded development, and prior experience of developing software for medical devices (and therefore a knowledge of the associated medical software standards) will be needed.
As the company is still at an early stage, you may be occasionally required to help out in other (non-software) functions of the company - you will therefore need an accommodating and adaptable outlook as well as an enthusiasm for work which will have a very substantial positive impact.
You will need:
* A strong academic background in Computer Science, Electronics or similarly applicable subject.
* Substantial experience as a software engineer, including software development for medical devices.
* Excellent coding skills in embedded C.
* A can-do attitude, happy to dive into new technologies and learn new skills as needed (or indeed to help out with non-software tasks as the need occasionally arises).
* Full existing right to work in the UK without restriction, time limit, or sponsorship.
Not essential, but useful: real-time operating systems, React Native, Android, LAMP, C# or Python.
If you’re looking for a role that will make a massive positive impact in the world, whilst at the same time becoming the founding member of a software team, then this may be for you. The role is on-site in a pleasant countryside location. A highly competitive salary is on offer to the successful candidate.
Keywords: Medical Device, Embedded C, RTOS, Android, React Native, LAMP, Mission-Driven, Cambridge
Another top job from ECM, the high-tech recruitment experts.
Even if this job’s not quite right, do contact us now - we may well have the ideal job for you. To discuss your requirements call ecm or email your CV. We will always ask before forwarding your CV.
Please apply (quoting ref: CV27517) only if you are eligible to live and work in the UK. By submitting your details you certify that the information you provide is accurate

Lead Full Stack Developer
Spectrum IT Recruitment
Winchester
Hybrid
Senior
£90,000 - £100,000
RECENTLY POSTED
+1

(TypeScript, Vue, Node)

Location: Hybrid - 1 day per week onsite
Salary: £90,000 - £100,000 + benefits

We’re working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced Technical Lead Full Stack Developer to play a key role in shaping and delivering their next generation of customer-facing platforms.
This is a hands-on technical leadership role where you’ll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis.

The Role

Lead technical delivery across a high-performing development squad (10+)
Contribute to solution design, system architecture and domain modelling
Build proof-of-concepts and spike complex or uncertain areas of work
Break down requirements into deliverable epics and user stories alongside product and initiative managers
Develop and deliver production-ready code across the full stack
Ensure high standards of quality, maintainability, performance and security
Support and improve live systems once deployed
Influence technical direction, tooling and best practice across the wider engineering function
Tech Environment
You’ll work with a modern stack including:

TypeScript
Node.js microservices
Vue.js
Redis, SQL Server & Snowflake
AWS cloud infrastructure
CI/CD pipelines and DevSecOps practices
About You

Strong full stack development experience (ideally 10+ years)
5+ years of TypeScript experience
Solid Node.js Experience
Background in system design and scalable architectures
Experience building large, production SaaS platforms
A clean-code mindset (SOLID principles, design patterns, testable code)
Experience working in mature CI/CD and continuous deployment environments
A commercial mindset when designing and delivering software
Excellent collaboration skills and confidence working with stakeholders
Interest in using AI to accelerate and improve software development
A passion for performance, security and engineering best practice
Degree in Computer Science or equivalent real-world experience
What’s On Offer

Hybrid working (1 day per week in the office)
Opportunity to join a scaling UK SaaS business
Strong engineering culture with a focus on quality and continuous improvement
Supportive, collaborative working environment
Community and charity initiatives, including volunteer days
Interested in learning more?
Apply now or contact us for a confidential discussion about the role and company - (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy

AI Engineer
CPS Group Limited
Newport
Hybrid
Junior - Mid
£45,000 - £50,000
RECENTLY POSTED

South Wales - Hybrid (3 days onsite per week)
Up to £50,000 + Annual Bonus

CPS Group is supporting a leading financial services organisation in South Wales as they expand their AI & Automation capability. They’re looking to hire an AI Engineer to design and deliver intelligent automation solutions that drive real operational and commercial impact.

This is a hands-on role where you’ll work with modern AI tooling across Microsoft’s ecosystem, building production-ready solutions that improve processes, enhance decision-making, and unlock business efficiency.

This is a great opportunity for a Software Engineer/ Developer who’s looking to enter an AI-focused role.

The Role:

  • Developing AI-powered solutions using Power Platform (Power Apps, Power Automate, Copilot Studio, AI Builder)
  • Designing intelligent automation workflows for enterprise-scale use
  • Working with APIs and Azure AI services where required
  • Collaborating closely with business stakeholders to identify AI opportunities
  • Taking solutions from concept through to live deployment

Skills/ Experience:

  • Ideally hands-on experience with Power Automate, Power Apps, AI Builder, or similar
  • Practical experience delivering AI or automation solutions
  • Understanding of applied AI, LLMs, or intelligent process automation
  • Able to work with REST APIs
  • Ability to translate business needs into technical solutions
  • Nice to have: Azure AI, Python, Dataverse, regulated industry experience

Benefits:

  • 25 days annual leave (with buy/sell options)
  • Annual performance bonus
  • Pension - 5% employee & employer contributions
  • Private medical healthcare
  • Life insurance (4x salary)
  • Cycle to Work & Electric Vehicle schemes
  • Enhanced maternity & paternity pay

If you interested in finding out more, please apply and contact Sam John at CPS Group UK.

By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed)

Software Engineer - Linux Systems
Softweb Resourcing
Cambridge
Hybrid
Graduate - Mid
£35,000 - £60,000
RECENTLY POSTED

Graduate / Junior / Mid Software Engineer - Build complex software tools – Deep-Tech

If you’re the kind of engineer who thrives on solving very hard problems, is interested in compilers or debuggers, can write low level C code, and wants to work on novel technology that rewrites the rulebook for how software gets built - this might be the role you’ve been looking for.

A Cambridge based Deep-Tech company with a world-class team is looking for a low level / Systems Software Engineer that will be working with like minded others on new features for their core product.

They value technical excellence, creative problem-solving, and the kind of curiosity that means you’re always digging deeper and perhaps interested in how the OS works.

What you’ll do:

• Own core features and technical projects (mostly C on Linux) with some Python for UI

• Focus on code quality as part of development - reviewing, refactoring, and writing new features

• Collaborate with a top tier engineers doing everything from code reviews to complex bug hunts

• Solve intellectually stimulating problems and be mentored by world class engineers

About you:

• You hold a Computer Science degree (or similar)

• You’ve got some knowledge of C (systems or embedded) and Python. (If you’ve dived deep into debugger / compiler internals, JITs, kernel APIs, x86 or assembly – even better)

• You like low-level or embedded systems and are either a graduate or someone with a few years of experience

• You’re as comfortable thinking about the “big picture” architecture as you are grinding through tricky debugging

Why join us?

• Work on truly unique, industry-defining tech

• Collaborate with brilliant people who care deeply about what they build

• Shape products used by the world’s most important technology companies

• Office-based or hybrid role in Cambridge with one of the best company cultures around with career progression prioritised

Sound like your kind of challenge? Apply now for immediate consideration or for a chat

Senior Full Stack Web Developer
Profile 29
Loughton
In office
Senior
£100,000
RECENTLY POSTED
+5

Job: Senior Full Stack Web Developer - ONSITE

  • Mon-Fri onsite in Debden IG10
  • Salary to £100k (multiple roles & levels)+ pension scheme + health
  • Free onsite gym & parking
  • Offices are a 5 mins walk from Debden tube station (Central line) withclose road links to M11/M25/A406/A12

NB: Please only apply if you are able to work from their Debden (IG10) offices Monday-Friday. Hybrid or remote working is not available. Candidates must be able to demonstrate a sub-60 mins each-way commute time.

Company

Established in 2009 and regulated by the FCA, this multi-award-winning finance & credit company has a proven track record for customer and employee satisfaction. With a Trustpilot rating of 4.8/5 and over 33,500 combined online reviews, they pride themselves on their customer service and their duty as a responsible lender.

What they are looking for

They are seeking an extremely driven, passionate and motivated individual to join their in-house development family. Their ideal candidate will enjoy learning, seeing projects through to completion and thrive on new challenges. As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment. They are always exploring the latest technologies and have recently migrated to Azure where they will be modernising from VMs to App Services, SQL MI and utilising many other services on offer. Other future projects include incorporating .NET Core, SignalR and AI technology such as ChatGPT. Your role will involve enhancing their websites using the technologies listed below and integrating new technologies as needed.

NB: Please only apply if you are able to work from their Debden offices Monday-Friday. Hybrid or remote working is not available.

Main duties and responsibilities

Developing website features and fixing bugs using C#, Entity Framework, Azure Service Bus and SQL Server

Writing unit and integration tests using NUnit

Styling website changes in CSS

Developing JavaScript code using frameworks such as Vue

Attending scrum meetings and briefings with project owners and peers

Writing SQL scripts to modify database schema in SQL Server 2014

Required

Recent legacy .Net projects (essential)

ASP.NET 4.6+

MVC 5

C# 6 including advanced language features e.g., generics, lambdas, delegates

Design Patterns and SOLID Principles

Entity Framework 6+

SQL Server 2014+

TDD/NUnit

Javascript/JQuery/AJAX

HTML5/CSS3

Desirable

ASP.NET Core

Azure Service Bus

Entity Framework Core

Vue

Agile methodologies/Scrum

Automated browser testing/SpecFlow/Selenium

SignalR

ECMAScript6

AngularJS

Other Stuff

NB: Please only apply if you are able to work from their Debden (IG10) offices Monday-Friday. Hybrid or remote working is not available. Candidates must be able to demonstrate a sub-60 mins each-way commute time.

For non-UK Citizens: we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment status. If you are using a work visa this must allow you to work in the UK unrestricted for at least the next 5 years.

In accordance with GDPR by applying you give Profile 29 consent to use your data for recruitment purposes only (details of Profile 29s privacy policy can be found at: profile-29 .com/privacy)

Profile 29 recruitment keywords: senior web developer lead web developer London Essex ASP.NET MVC MVC5 C# 6 Design Patterns SOLID Entity Framework SQL Server TDD NUnit Javascript Jquery AJAX HTML5 CSS finance fintech

Outsystems Technical Lead
Version 1
Belfast
Hybrid
Senior
Private salary
RECENTLY POSTED
+4

Company Description

Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. Were also an award-winning employer reflecting how employees are at the heart of Version 1.

Weve been awarded: Innovation Partner of the Year Winner 2023 Oracle EMEA Partner Awards, Global Microsoft Modernising Applications Partner of the Year Award 2023, AWS Collaboration Partner of the Year - EMEA 2023 and Best Workplaces for Women by Great Place To Work in UK and Ireland 2023.

As a consultancy and service provider, Version 1 is a digital-first environment and we do things differently. Were focused on our core values; using these weve seen significant growth across our practices and our Digital, Data and Cloud team is preparing for the next phase of expansion. This creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally.

Job Description

We are seeking an experienced OutSystems Technical Lead to oversee the design, development, and deployment of enterprise-grade applications using the OutSystems low-code platform. The successful candidate will have a proven track record of leading technical teams, delivering robust software solutions, and applying industry best practices in Agile environments.

As a Technical Lead, you will take responsibility for ensuring quality standards, mentoring team members, and providing technical expertise in software development, systems design, and deployment. You will be expected to collaborate with stakeholders to align technical solutions with business objectives, ensuring successful delivery of projects.

Key Responsibilities

  • Lead and contribute to the design and development of applications using the OutSystems platform.

Define and enforce coding standards, tools, and techniques for software development.
Oversee all stages of the software development lifecycle, including technical design, development, testing, and deployment.
Provide technical leadership for the development team, including code reviews, mentoring, and coaching.
Collaborate with stakeholders to ensure designs meet business requirements and align with architectural standards.
Manage team performance, assign work packages, and optimize productivity.
Conduct root cause analysis, performance tuning, and diagnostic examinations to address system or software failures.
Plan and deliver knowledge transfer activities, including documentation and technical presentations.
Participate in Agile ceremonies, such as iteration planning, daily stand-ups, and sprint reviews, ensuring delivery within sprint cycles.

Qualifications

A minimum of 5 years experience as a Technical Lead, working on large-scale enterprise projects.
Proven expertise with OutSystems platform development and the ability to manage complex systems.
Strong knowledge of object-oriented programming (C#), .NET Framework, and ASP.NET.
Experience with database systems such as MS SQL Server and proficiency in database design and development.
Advanced proficiency in front-end technologies, including HTML5, CSS, AngularJS, JQuery, and Bootstrap.
Expertise in managing source control systems like Team Foundation Server (TFS) or equivalent tools.
Familiarity with Agile methodologies, including sprint cycles, story estimation, and retrospectives.

Additional Information

At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their well-being, professional growth, and financial stability.

One of our standout advantages is the ability to work with a hybrid schedule along with business travel, allowing our employees to strike a balance between work and life. We also offer a range of tech-related benefits, including an innovative Tech Scheme to help keep our team members up-to-date with the latest technology.

We prioritise the health and safety of our employees, providing private medical and life insurance coverage, as well as free eye tests and contributions towards glasses. Our team members can also stay ahead of the curve with incentivized certifications and accreditations, including AWS, Microsoft, Oracle, and Red Hat.

Our employee-designed Profit Share scheme divides a portion of our company’s profits each quarter amongst employees. We are dedicated to helping our employees reach their full potential, offering Pathways Career Development Quarterly, a programme designed to support professional growth.

Ekta Bahl - Talent Acquisition Capability Partner

#LI-EB1

Senior Java Developer
Anson McCade
Newcastle upon Tyne
Hybrid
Senior
£60,000
RECENTLY POSTED

£Up To £60,000 GBP
Sign-On Bonus
Hybrid WORKING
Location: Newcastle Upon Tyne, North East - United Kingdom Type: Permanent

Senior Java Developer - Newcastle (Hybrid)

Location: Newcastle, Cobalt Business Park

Working Pattern: Hybrid - 3 days per week onsite

Clearance Required: BPSS + SC (5 years continuous UK residency, no 30+ day periods abroad)

Employment Type: Full-time

About the Role

We are seeking an experienced Senior Java Developer to join our innovative and fast-growing technology team in Newcastle. You will work on high-impact projects across multiple industries, helping to deliver real-world solutions that transform organisations and communities.

This role offers the opportunity to develop your technical expertise, collaborate within cross-functional teams, and contribute directly to large-scale digital programmes. You’ll mentor junior developers, influence technical direction, and support the evolution of high-quality engineering practices.

What You’ll Be Doing

As a Senior Java Developer, you will:

  • Champion best-practice engineering including TDD, Continuous Integration, consistent branching strategies, and high coding standards.
  • Support technical leads in breaking down functionality into microservices and designing seamless end-to-end integration flows.
  • Work closely with test automation engineers to ensure robust functional and non-functional testing.
  • Participate fully in Scrum ceremonies-backlog refinement, sprint planning, daily stand-ups, sprint reviews, and retrospectives.
  • Contribute to feature delivery beyond pure coding, expanding your skillset across development and testing areas.
  • Mentor and support junior developers, helping them grow into high-performing engineers.

Essential Skills & Experience

  • Strong hands-on experience with Java (8 to 17)
  • Proven background with Spring Boot, Spring, Spring MVC
  • Proficiency with JavaScript
  • Current commercial Java development experience
  • Strong leadership, communication, and interpersonal skills
  • Ability to guide junior team members and support a collaborative, high-performance culture

What’s in It for You

  • Competitive salary
  • 25 days annual leave
  • Private medical insurance
  • 3 additional days’ paid leave per year for charitable work
  • Excellent career development opportunities across diverse industries
  • Exposure to large-scale enterprise projects and innovative technologies
  • Flexible, mobile working model with opportunities to be onsite with clients

Reference: AMC/JWA/SJDNEW

Postcode: NE1

#jawa

Engineering Manager (Hands-On | Software Delivery)
MPA Recruitment Ltd
Belfast
Hybrid
Senior - Leader
£90,000
+1

Belfast | Hybrid

MPA are partnering with an elite Canadian tech firm expanding into Belfast to hire a hands-on Engineering Manager to lead high-performing software teams delivering complex cloud and enterprise systems.

This is a player-coach role ideal for someone who enjoys developing engineers, driving delivery, and still contributing technically when needed.

The Role

Youll lead a team of backend and frontend engineers across active client projects, ensuring high-quality, scalable software delivery while fostering strong team culture and technical standards.

This is not a pure management role. Youll be expected to influence architecture, guide technical decisions, and stay close to the codebase.

Key Responsibilities

  • Lead, mentor, and develop a team of software engineers
  • Conduct 1:1s, performance reviews, and career development planning
  • Drive technical direction across backend services and APIs
  • Contribute hands-on to system design and key architectural decisions
  • Collaborate with product and design to shape roadmaps and delivery plans
  • Lead agile ceremonies and improve team delivery processes
  • Ensure strong engineering standards across testing, CI/CD, and deployments

Required Experience

  • 8+ years in software engineering, including 2+ years in a leadership or people management role
  • Strong backend development experience (Java and/or Python, ideally Spring)
  • Experience with modern frontend technologies (React, JavaScript)
  • Strong understanding of REST APIs, scalable system design, and web architecture
  • Experience with relational and non-relational databases
  • Proven ability to lead projects end-to-end while maintaining team engagement and morale
  • Strong communication and stakeholder management skills

Highly Desirable

  • Experience in cloud-native or containerised environments
  • Exposure to data tooling or workflow orchestration (e.g., Airflow, dbt)
  • Experience scaling teams or improving engineering processes
  • Experience mentoring early- to mid-career engineers

Why Consider This Role?

  • Real ownership over both technical direction and team growth
  • Influence hiring, architecture, and delivery standards
  • Hybrid working model in Belfast
  • High-autonomy, fast-paced engineering culture
  • Competitive compensation and strong benefits

Skills:
Engineering Management Technical Engineering Software Engineering Management

Benefits:
Work From Home Work From Home hybrid Paid Holidays Performance Bonus wellness programme Laptop Pension Fund

Applied AI Engineer
Oscar Associates (UK) Limited
London
Hybrid
Mid - Senior
£100,000

Applied AI / Automation Engineer

Location: London (Hybrid)

Salary : £70k + (DOE)

The Role

A London-based financial services firm operating within the hedge fund and asset management space is seeking an Applied AI / Automation Engineer to join its Data Science function.

This role will focus on designing and building an intelligent reporting and automation platform to support fund operations and administration teams. The successful candidate will work closely with both technical and operational stakeholders to deliver measurable efficiency gains and scalable automation solutions.

The overall objective is to modernise reporting production and reconciliation processes through the application of modern data engineering practices, AI-enabled automation, and agent-based workflows.

This is a hands-on engineering role focused on building reliable, production-grade systems within a complex financial environment.

Key Responsibilities

Lead the design and development of an end-to-end automated reporting platform .

Build intelligent workflows to automate data ingestion, validation, reconciliation, and reporting processes , replacing manual operational workflows with scalable, controlled systems.

Design exception-handling and human-in-the-loop mechanisms where full automation is not appropriate.

Ensure the platform delivers high levels of accuracy, auditability, and operational resilience .

Work closely with product and operations stakeholders to translate operational complexity into structured technical solutions.

Develop the system as a maintainable internal product , rather than a collection of standalone scripts or tools.

Contribute to the broader evolution of AI-driven operational capabilities across the business.

Experience & Skills

Strong automation engineering capability with the ability to apply AI in real operational environments.

Strong hands-on experience with Python and SQL (3+ years)

Experience designing and implementing data pipelines and automation systems.

Experience integrating systems via APIs and structured data feeds.

Experience building reliable, monitored, and maintainable production systems.

Familiarity with version control (Git) and CI/CD pipelines.

Experience implementing testing frameworks to ensure system reliability and accuracy.

Strong systems thinking with the ability to design end-to-end technical solutions.

Strong communication skills and ability to work cross-functionally with operations teams.

Desirable

Exposure to financial services workflows such as reconciliation, accounting, or operational controls .

Experience building systems in regulated or audit-sensitive environments .

Familiarity with workflow orchestration tools .

Experience turning internal automation into scalable internal products, including dashboards or tools (e.g. TypeScript, React, Next.js or similar ).

Opportunity

This is an opportunity to design and build an AI-driven operational platform from the ground up within a sophisticated financial environment.

Through the application of automation, AI agents, and modern data engineering, the role will help shape how AI augments and transforms operational workflows across the organisation.

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

TPBN1_UKTJ

Full Stack Software Engineer
Matchtech
Tring
Hybrid
Senior
£70/hour
+2

Location: Tring (Predominately onsite with flex where project allows) Duration: 4-6 month contract IR35: Outside IR35 Role detaills: Our client, a leading entity in the Defence & Security sector, is seeking a highly motivated Senior Software Engineer to join them on a contract basis - The role will encompass the design and development of a web-based control and monitoring dashboard application for an antenna terminal system. Key Responsibilities: Design and develop a web-based control and monitoring dashboard application for an antenna terminal system. Engage in the full design life cycle from specifications generation to thorough regression testing of pre-production units. Build and maintain React/Next.js frontend applications and NestJS backend services within a shared pnpm monorepo environment. Integrate user-facing components with backend services using various communication protocols (REST, WebSockets, SNMP, MQTT, etc.). Develop the GUI using a mix of off-the-shelf UI components and custom modules. Ensure the UI code is well-structured, scalable, and testable, conforming to UX/architecture guidelines. Ensure compliance with modern accessibility standards and usability best practices across browsers and devices. Contribute to software architecture, project planning, and specification documentation. Job Requirements: Proficiency in frontend technologies including HTML5, CSS3, JavaScript, TypeScript, React, and Next.js. Experience with backend services using NestJS and related TypeScript tooling. Understanding of various communication protocols like TCP/IP, HTTP, and SNMP. Experience with containerization tools such as Docker. Ability to design, implement, integrate, and verify software applications on Linux and Windows OS. Proven product development experience from concept through deployment. Familiarity with networked applications that require low-latency and high-availability. Preferred Experience: Knowledge of communication systems design. Understanding of various communication protocols, including RS-232, I2C, CAN, SPI, USB, TCP, and UDP over IP. Familiarity with databases, web servers (e.g. Apache), and UI/UX design. Interested? Apply today via the link provided

Software Engineer - C
Vantage Consulting
Leicester
In office
Junior - Mid
£30,000 - £40,000

Software Engineer - C++ | Leicester Our client is an established, innovative technology business with over 50 years of heritage developing high-precision measurement and colour science solutions. Their products are exported worldwide and used by some of the world's most recognisable brands. As the product range becomes increasingly software-driven, they are growing their development team and looking for a Software Engineer to join them in Leicester. The Role You'll be working within a small team of two, reporting directly to the Head of Software, contributing to the development and maintenance of a growing suite of PC and embedded applications used globally to calibrate and maintain precision measurement equipment. This is a hands-on role with genuine ownership. You'll be expected to work with a degree of autonomy, bring ideas to the table, and collaborate closely with colleagues across engineering disciplines in an open-plan environment. What You'll Be Doing Developing and maintaining C++ applications across PC and embedded platforms Building new software modules and contributing to the full development lifecycle Writing and managing automated tests Managing source control systems Working on projects that ship to global customers worldwide What We're Looking For Essential: Strong C++ skills (C++17 and object-oriented design) A degree in Mathematics, Physics or a related technical discipline 1-2 years of post-university software development experience (or a strong graduate with demonstrable C++ knowledge) Good communication skills and the ability to thrive in a small, multi-disciplinary team Beneficial (not essential - training available): Experience with MFC or Qt frameworks Familiarity with OpenCV or image processing Knowledge of Boost or STL The Process Shortlisted candidates will be asked to complete a technical assessment (approximately 4-5 hours) as part of the hiring process. Working Hours & Location Monday-Thursday: 8:00am-5:00pm (flexible start between 07:30-08:30) Friday: 8:00am-3:00pm 5 days on-site at their Leicester office Benefits 22 days annual leave + bank holidays (rising to 24 days at 5 years, 26 days at 10 years) Non-contractual annual bonus: £1,500-£2,000 Statutory pension (3%) Death in service - 4x salary Medicash health benefit Cycle to Work scheme

Python Software Engineer - Fintech
Run-Time Group Ltd
Ruislip
Hybrid
Mid
Private salary
+1

A Mid Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital.

Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections to their clients systems.

You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart.

If you’re an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you.

As a Python Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. Youll work closely with experienced engineers, product managers, and data scientists to build reliable systems that solve complex financial problems. This role offers an excellent opportunity to deepen your technical expertise, take ownership of individual projects, and grow in a supportive, fast-paced startup environment.

Requirements:

1st class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University

3+ years of experience in Python development

Tech: Python, FastAPI, Pydantic, PostgreSQL, AWS

DevOps tools: Kubernetes, Docker,Terraform, Jenkins

Very strong software engineering principles

Enthusiasm for startup environment and cross-functional teams

Passion for automation and data infrastructure

TPBN1_UKTJ

Software Engineer - C
Vantage Consulting
Leicester
In office
Junior - Mid
£30,000 - £40,000

Software Engineer - C++ Leicester

Our client is an established, innovative technology business with over 50 years of heritage developing high-precision measurement and colour science solutions. Their products are exported worldwide and used by some of the world’s most recognisable brands. As the product range becomes increasingly software-driven, they are growing their development team and looking for a Software Engineer to join them in Leicester.

The Role

You’ll be working within a small team of two, reporting directly to the Head of Software, contributing to the development and maintenance of a growing suite of PC and embedded applications used globally to calibrate and maintain precision measurement equipment.
This is a hands-on role with genuine ownership. You’ll be expected to work with a degree of autonomy, bring ideas to the table, and collaborate closely with colleagues across engineering disciplines in an open-plan environment.

What You’ll Be Doing

  • Developing and maintaining C++ applications across PC and embedded platforms
  • Building new software modules and contributing to the full development lifecycle
  • Writing and managing automated tests
  • Managing source control systems
  • Working on projects that ship to global customers worldwide

What We’re Looking For

Essential:

  • Strong C++ skills (C+ and object-oriented design)
  • A degree in Mathematics, Physics or a related technical discipline
  • 1-2 years of post-university software development experience (or a strong graduate with demonstrable C++ knowledge)
  • Good communication skills and the ability to thrive in a small, multi-disciplinary team

Beneficial (not essential - training available):

  • Experience with MFC or Qt frameworks
  • Familiarity with OpenCV or image processing
  • Knowledge of Boost or STL

The Process

Shortlisted candidates will be asked to complete a technical assessment (approximately 4-5 hours) as part of the hiring process.

Working Hours & Location

  • Monday-Thursday: 8:00am-5:00pm (flexible start between 07:30-08:30)
  • Friday: 8:00am-3:00pm
  • 5 days on-site at their Leicester office

Benefits

  • 22 days annual leave + bank holidays (rising to 24 days at 5 years, 26 days at 10 years)
  • Non-contractual annual bonus: 1,500- 2,000
  • Statutory pension (3%)
  • Death in service - 4x salary
  • Medicash health benefit
  • Cycle to Work scheme
Full Stack Developer (Python / React)
Rise Technical Recruitment
London
In office
Mid - Senior
£60,000 - £70,000
+2

Camden - Office Based
6-9 month FTC
60,000 to 70,000 Pro Rata + Benefits

Exciting opportunity for a skilled Full Stack Developer to join a fast-growing London business, helping to design and build the backend systems, automation tools, and cloud infrastructure that support the company’s technology roadmap.

The business is expanding its internal systems and automation capabilities and is looking for a developer with strong experience in Python, AWS cloud services, and modern API development. This role offers the chance to work on impactful projects including business automation, data processing systems, and modern web applications.

In this role you will collaborate closely with engineering teams and business stakeholders to design and build backend services, APIs, and automation tools. You will work with technologies such as Python, AWS services including Lambda, EC2, S3, RDS, and API Gateway, as well as SQL databases and data processing libraries. You will also contribute to front end development using React where required and support integrations with Microsoft Office workflows and reporting systems.

The ideal candidate will have strong commercial experience developing backend systems using Python and building modern APIs. Experience with React, JavaScript or TypeScript, AWS cloud services, and SQL databases is essential.

Experience building automation tools, working with large datasets, or integrating with Microsoft Office workflows would be highly beneficial.

This is a unique opportunity to join a growing company at an exciting stage, working on modern cloud based systems while helping to improve automation, data processing, and development practices across the business.
The Role:
Design and develop backend systems and APIs using Python
Build secure, scalable, and maintainable cloud services within AWS
Develop automation tools and scripts that integrate with Microsoft Office workflows
Contribute to front end development using React where required
Design and maintain data processing pipelines and reporting systems
Optimise SQL queries and database performance
Collaborate with engineering teams and business stakeholders to build technical solutions
Contribute to improvements in development processes, tooling, and code quality
The Person:
Experienced Full Stack Developer with strong Python backend development skills
Commercial experience developing RESTful APIs and backend systems
Experience building modern web applications using React
Strong understanding of SQL databases, data modelling, and query optimisation
Experience working with AWS cloud services such as Lambda, EC2, S3, RDS, and API Gateway
Interest in automation, data processing, and business workflow integrations
Strong problem solving skills, attention to detail, and effective communication
Experience with Microsoft Office automation, data pipelines, or CI/CD pipelines is a plus

Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.

The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.

We are an equal opportunities company and welcome applications from all suitable candidates.

D365 Developer
Dynamic Search
Not Specified
Hybrid
Mid - Senior
£50,000

Dynamics 365 Developer (Business Central & D365 CRM)

Contract: 12 Months
Salary: 50,000
Sector: Not-for-Profit / Charity
Location: UK (Hybrid / Remote options depending on project needs)

An established not-for-profit organisation is seeking an experienced Dynamics 365 Developer to support the development, enhancement, and integration of its core business systems. The organisation uses Microsoft Dynamics 365 Business Central as its ERP platform and Microsoft Dynamics 365 Customer Engagement (CRM) for stakeholder management and engagement.

This role will play a key part in improving how the organisation manages finance, grants and funding programmes, and community engagement activities through the Dynamics platform. You will work closely with internal stakeholders including finance teams, programme managers, and external partners to deliver scalable and maintainable solutions.

Key Responsibilities

Dynamics Development

  • Design, develop, and maintain custom extensions within Business Central using the AL programming language
  • Configure and extend Dynamics 365 CRM entities, forms, views, and workflows
  • Develop plugins, custom logic, and integrations using C#, .NET, and JavaScript
  • Implement automation and business processes using Power Platform tools

Systems Integration

  • Build and maintain integrations between Business Central and Dynamics 365 CRM
  • Develop REST APIs, web services, and data integration pipelines
  • Ensure reliable data synchronisation between ERP and CRM systems
  • Integrate Dynamics with third-party platforms where required

Business Process Support

  • Work with finance and programme teams to support grant and sub-grant management processes
  • Assist with system improvements that support resident and stakeholder engagement
  • Translate business requirements into scalable technical solutions
  • Provide guidance on best practice across the Dynamics ecosystem

Platform Management & Improvement

  • Support system upgrades, extension lifecycle management, and release processes
  • Maintain documentation for customisations, integrations, and architecture
  • Participate in troubleshooting and resolving system issues
  • Identify opportunities to improve automation, performance, and system usability

Technical Skills & Experience

Business Central

Experience developing solutions in Microsoft Dynamics 365 Business Central, including:

  • AL language development
  • Custom extensions and application customisation
  • Development of reports, pages, tables, and codeunits
  • Understanding of finance modules and ERP workflows

Dynamics CRM

Experience working with Microsoft Dynamics 365 Customer Engagement, including:

  • Custom entities, forms, and views
  • Plugins and workflow development
  • Client-side scripting with JavaScript
  • Server-side development with C# / .NET
  • Power Platform integration

Integration & Platform Tools

  • API development and integration using REST / web services
  • Data synchronisation between systems
  • Experience with Power Platform (Power Apps, Power Automate)
  • Knowledge of Azure services and DevOps pipelines
  • Source control and deployment best practices
Frequently asked questions
Haystack features a wide range of Backend Engineer positions, including roles in startups, mid-sized companies, and large enterprises, covering various industries such as finance, healthcare, e-commerce, and more.
Common programming languages for Backend Engineer roles on Haystack include Java, Python, Ruby, Go, Node.js, and C#. Job postings typically specify the preferred languages and frameworks.
Yes, Haystack allows you to filter Backend Engineer job listings based on remote, hybrid, or on-site work options to help you find roles that match your work location preferences.
Absolutely. Haystack includes Backend Engineer job listings for various experience levels, including entry-level, mid-level, and senior positions, making it easier for candidates at all stages to find suitable roles.
To apply for Backend Engineer jobs, simply create an account on Haystack, upload your resume, and submit applications directly through the platform. Some listings may also redirect you to the employer's application portal.