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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!
Founding Fullstack Engineer
SR2
London
Hybrid
Senior - Leader
ÂŁ150,000
RECENTLY POSTED

Founding Full-Stack Engineer (Greenfield Digital Banking) Central London | 4 days onsite | Full-time ÂŁ90,000 - ÂŁ100,000 + 15-20% bonus

We’re working with a highly successful, family-owned international private bank to hire a Founding Full-Stack Engineer for a brand new, greenfield digital banking build based in Central London.

This is a rare opportunity to join right at the beginning of a newly formed product team and help build a next-generation digital banking experience from first principles deliberately outside of legacy systems. The environment is genuinely “startup-style” (small team, high ownership, fast delivery), but backed by serious scale, long-term investment, and a strong focus on quality, stability and client trust.

The role As one of the first engineering hires, you’ll play a key part in shaping:

the technical foundations
engineering standards
architecture and system design
how the team builds and ships productYou’ll work closely with Product and Design, delivering secure, high-quality digital experiences for high-value clients and complex workflows.

What you’ll do

Design, build and maintain end-to-end features across frontend and backend
Architect scalable, secure and maintainable systems for private banking / institutional use cases
Own key technical decisions, balancing delivery speed with long-term quality
Build APIs, services, data models and modern web experiences
Establish high standards of engineering quality through testing, reviews and automation
Contribute to platform foundations, shared components and internal tooling
Embed security, performance and resilience best practices into everything you ship
Help define engineering standards and ways of working as the team grows
What we’re looking for

8-12+ years’ experience as a full-stack or senior engineer owning production systems
Strong experience building modern web applications across frontend and backend
Frontend expertise with modern frameworks (React, TypeScript or similar)
Strong backend experience (Node.js, Java, Python or similar)
Solid understanding of APIs, architecture, databases and cloud infrastructure
Exposure to CI/CD and modern DevOps practices (containers, Kubernetes, automation)
Comfortable being a technical owner in open-ended / ambiguous environments
A builder mindset - pragmatic, delivery-focused, and quality-led
Experience in financial services / fintech / regulated environments is beneficial but not essential
Strong awareness of security, privacy and compliance considerations is highly valuedWhy this opportunity stands out

Genuine greenfield build with meaningful ownership from day one
Founding hire in a small, high-calibre team
Startup-style delivery with the backing of a global financial institution
Direct access to decision-makers and influence over product direction
Quality-first culture focused on trust, stability and long-term value
Competitive salary + strong bonus + benefits

Python Developer
Premier IT
London
Hybrid
Mid - Senior
ÂŁ70,000 - ÂŁ75,000
RECENTLY POSTED

London – Twice a week in the office
ÂŁ70,000-ÂŁ75,000

I’m currently working for a Central London based tech consultancy of over 70 years who are looking for a Python Developer to come and join their growing team on a hybrid basis!

The company is a serial award-winner and provide consultative bespoke tech services to industries such as healthcare, insurance, pensions, energy & sport across the UK and beyond.

They are a growing development team of roughly 20 in total size, split across their 3 offices and in-role you will be working on the continued development of one of their key platforms. You will mainly work on the backend with Python (and ideally C# which is also used), developing new features in an Agile environment while also working extensively with AWS/Azure.

You’ll work collaboratively with different teams across the business and also get the platform to progress and take more responsibility within the business – something they really encourage across their tech teams!

The office is based in Central London, and they are looking for office working of 2 days a week!

Technical Requirements:

Strong Python experience across latest versions.
Ideally have worked with C# which is also used across the business.
Good working experience with Cloud technologies - AWS or Azure.
Other technologies include WebAPIs, Testing, CosmosDB, CI/CD.
Good collaborations skills and ability to communicate amongst different teams.
Happy working in an environment where you have autonomy and control over your day.
Keen desire to learn new technologies and progress within the business.
Central London – Twice a week in the office.
Salary/Benefits:

ÂŁ70,000-ÂŁ75,000.
10-15% Discretionary Bonus.
Pension – 4% which can rise to 10%.
Life Assurance – x6 of your salary.
26 days holiday plus Bank Holidays.
Income Protection Insurance Scheme.
Private Medical Insurance.
Additional perks like cycle to work/gym.
If this role sounds of interest, then please apply and I can give you a call.

Tim Stock
(url removed)
(phone number removed) | (phone number removed)

NET Developer
Reed Technology
Birmingham
Hybrid
Mid - Senior
ÂŁ45,000 - ÂŁ55,000
RECENTLY POSTED
+1

Salary: Up to ÂŁ55,000
Birmingham City Centre
‍ Hybrid: WFH Mondays & Fridays

Want to join a company where your code shapes real transformation?
This rapidly growing, tech‑first organisation in central Birmingham is scaling fast - and they’re searching for a .NET Developer with serious integration skills, strong CI/CD experience, and the ambition to help push their platforms to the next level.

You’ll join a high-performing Dev & Data team that’s backed by investment, empowered to innovate, and trusted to deliver. Expect a vibrant office with city views, a modern engineering culture, and the freedom to genuinely take ownership of your work.

If you love solving problems, automating everything you can, and integrating systems in a clean, scalable way - this is where you’ll thrive.

What you will be doing as the .NET Developer

Leading the development of modern, scalable web solutions that streamline operations.
Enhancing and evolving key internal Management Systems to meet changing needs.
Designing, building, and maintaining complex integrations across platforms, APIs, and third-party services.
Developing and maintaining CI/CD pipelines to ensure smooth, automated deployments.
Collaborating with external partners to integrate APIs - and potentially build custom wrappers.
Ensuring systems are secure, robust, and aligned with engineering best practices.
Managing and optimising SQL databases, including complex stored procedures and performance tuning.
Producing high-quality documentation that supports long-term scalability.
Working cross-functionally to deliver technical solutions that scale with the business.
Supporting and enhancing NetDocuments (DMS):
Workspace configuration
Security & retention policies
Metadata & profile setup
Automation, workflows & system integrations

What experience you will need to have as the .NET Developer

Strong experience with .NET / .NET Core (C#), ASP.NET MVC, Web API, Functions
Advanced Microsoft SQL Server + expert-level T-SQL
Clean, maintainable coding principles
Experience designing or supporting structured testing approaches
Ability to troubleshoot and optimise SQL queries
Proven experience integrating systems, APIs, and external platforms
Hands-on experience building and maintaining CI/CD pipelines (Azure DevOps preferred)
Bonus if you bring experience with NetDocuments or similar DMS platformsNice-to-Have Extras

Background in Professional Services would be highly advantageous
Agile development & Continuous Integration experience
Exposure to Azure Stack, Power Automate, Power Apps
Knowledge of microservice architecture
Front-end experience (HTML, JavaScript, modern frameworks)Ready to level up your career?

If you’re excited by building, integrating, automating, and delivering real impact - hit Apply with your updated CV

Senior C/C++ Linux Software Engineer
ECM Selection Limited
Tewkesbury
Hybrid
Senior
ÂŁ45,000 - ÂŁ70,000
RECENTLY POSTED

Develop your consultancy and software engineering skills with varied high tech projects

This established technical consultancy develops advanced software and hardware for government and commercial sector clients. Due to continued success, they are seeking an accomplished C/C++ and Linux software engineer to join their team.

Varied multidisciplinary projects mean that you could be working on areas such as diverse as DSP, image processing, or UI design. You can expect to work closely with counterparts from client organisations as well as colleagues from different technical backgrounds. You may also have opportunities to lead projects and mentor new colleagues.

You will need:

* A strong academic record, with a first or 2.1 in a numerate STEM discipline, mostly A* or A at A-level grades, or equivalent. Whilst not essential, A relevant Master’s or PhD would benefit your application.

* Good client-facing communications skills. Able to discuss technical subject matter with colleague

* Substantial commercial experience of software design and development in C or C++ and Linux, and familiarity with best practice. Front end coding skills in TypeScript/JavaScript and HTML would be useful.

* Full right to work in the UK, and ability to obtain a higher level (DV) UK security clearance. Typically this will require you to have British nationality and to have been resident in the UK for 10 years

This variety makes the role ideal for an experienced engineer looking to broaden their technical and consultancy skillset into areas such as image processing, interface design, or digital signal processing. This is a fully office-based, due to the nature of the work, but with some latitude for those requiring flexible arrangements. A highly competitive salary and benefits package, excellent pension scheme, and a performance-based bonus are on offer to the successful candidate.

Keywords: Experienced Software Engineer, C, C++, Linux, Consultancy, Client-Facing, Cybersecurity, Defence, Gloucestershire

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: CV27605) 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

Senior Software Engineer – C# / .NET
Avanti Recruitment
UK
Fully remote
Senior
ÂŁ60,000 - ÂŁ65,000
RECENTLY POSTED
+3

Senior Software Engineer – C# / .NET (Automation & Distributed Systems)
Fully Remote | £60,000–£65,000 | London Meetups Every 2 Months

We are working with a fast-growing automation and AI-driven software company building backend systems that automate real operational workflows for clients in sectors such as automotive and financial services.

This is not a front-end heavy role. It is backend, systems-focused engineering.

The team build long-running background services, distributed processing systems and automation workflows that move data between platforms and trigger real-world business actions.

What You’ll Be Doing
• Building and maintaining C# / .NET backend services
• Developing long-running background processes and worker services
• Designing and supporting distributed automation systems
• Working with SQL Server and optimising data performance
• Integrating systems via APIs and automation tooling
• Troubleshooting and improving existing production systems
• Owning projects and delivering reliable automation solutions

Tech Environment
• C# / .NET
• ASP.NET Core
• SQL Server
• Azure
• Background services / worker services
• Messaging systems (RabbitMQ or similar)
• Python used in certain automation workflows
• Web automation tools such as Selenium used in some projects

What We’re Looking For
• Strong C# /.NET backend experience
• Experience building background services or automation systems
• Exposure to distributed systems or microservices
• Solid SQL knowledge
• Comfortable troubleshooting production systems
• Someone who takes ownership and delivers solutions proactively

Experience with Python, Azure, messaging systems or web automation tools is beneficial but not essential.

The Setup
• Fully remote role
• London meetups roughly every two months (travel expensed)
• Small senior-leaning engineering team

Salary & Benefits
ÂŁ60,000 - ÂŁ65,000
• Pension Scheme – 3% employer contribution from Nexbotix with a 5% employee contribution.
• Annual Leave – 23 days holiday initially, increasing to 25 days after 3 years and 28 days after 5 years of service.
• Birthday Leave – Employees receive half a day off on their birthday.
• Wellness Day Off Scheme – Up to 15 Wellness Days Off (WDOs) per year to support employee wellbeing, plus 2 optional charity days annually, in addition to standard annual leave.
• Private Medical Insurance
• Death in Service Cover – Life assurance providing 3x annual salary.

If you enjoy backend systems, automation and solving practical engineering problems in a high-ownership environment, this is a strong opportunity

Full-Stack Software Engineer (Python / React) - Remote
Circle Group
London
Fully remote
Mid - Senior
ÂŁ75,000
RECENTLY POSTED
+5

Full-Stack Software Engineer with strong Python (Flask Framework), React, and AWS experience is needed for one of our clients, an independent, research-tech startup that is transforming how the world evaluates and trusts academic research.

This is a great opportunity for any experienced Full-Stack Engineer looking to work in a high-growth, greenfield-leaning environment, or for someone ready to step up and take ownership of engineering delivery across modern cloud-native platforms.

You’ll be working closely with the Lead Engineers / Senior Engineers, helping drive innovation across backend, frontend, DevOps, and data engineering initiatives.

The role is fully remote, with the odd meet up in London

Key Skills Required

  • Strong experience in Full-Stack Engineering
  • Python (Flask)
  • React / TypeScript
  • Comfort working in AWS environments, ideally with EKS / Kubernetes
  • Strong Git-based development workflows
  • Experience delivering features end-to-end in distributed teams
  • Confident troubleshooting production issues in real time

Desirable Skills

  • Apache Spark (EMR) & Delta Lake
  • PostgreSQL (Aurora)
  • CI/CD using GitHub Actions
  • IaC (Helm, CloudFormation)
  • Monitoring tools (Sentry)

Role Responsibilities

You’ll be hands-on in a broad, impactful role:

  • Backend development using Python / Flask
  • Maintain and expand the TypeScript / React frontend
  • Build and maintain Dockerised microservices deployed to AWS (EKS)
  • Troubleshoot and optimise performance across the stack
  • Support data ingestion and transformation pipelines (Spark-based)
  • Work cross-functionally with product and data specialists
  • Help shape new features and influence engineering standards

This role is 100% hands-on engineering, with the autonomy to take ownership of your domain

Our client is reshaping the future of research. Backed by a recent milti million pound investment from industry leaders they are building the next generation of research tools

Their mission is clear:

  • Research integrity using AI & Tech
  • Scale technology
  • Build best-in-class products

If you’re mission-driven and excited by solving big, meaningful problems, this is the team for you.

My client is looking to pay a starting salary of between ÂŁ65,000 - ÂŁ75,000 If you think you have the right skills to flourish in this role or know someone who will fit the role, please send over your CV to matthew.leach @ circlerecruitment.com or click apply, and I will be in touch soon. Alternatively, please call on 0161 877 9200 for further information

Interviews will commence ASAP

Full Stack Developer / Python / React / AWS London / Birmingham / Manchester / Nottingham / Bristol / Cambridge / UK Wide / Remote

Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter - @Circle_Rec and LinkedIn - Circle Recruitment.

Principal AI Engineer
Harnham - Data & Analytics Recruitment
Sheffield
Hybrid
Senior
ÂŁ85,000 - ÂŁ90,000
RECENTLY POSTED

PRINCIPAL AI ENGINEER

Up to ÂŁ90,000 + BENEFITS

SHEFFIELD (Hybrid)

This is a standout opportunity to shape and scale an AI function from the ground up. You will drive the build of production-grade AI platforms, develop agentic automation for complex workflows, and deliver real business impact in an environment where engineering decisions directly influence performance and efficiency.

THE COMPANY:

They are a technology-led insurance organisation. Their products are powered by a combination of smart technology and human expertise, enabling them to offer fast, tailored cover to customers with diverse needs. With strong investment behind AI, they are entering a new phase of growth and building their first dedicated AI engineering team. Joining at this stage gives you the chance to influence technical strategy, architecture, and best-practice from day one.

THE ROLE:

  • Build and operate production-ready AI agents on GCP
  • Design robust RAG pipelines covering ingestion, text processing, vector search and secure data handling.
  • Implement evaluation frameworks, monitoring, A/B testing and performance dashboards for latency, cost and accuracy.
  • Partner with product and operations teams to deploy AI capabilities into live environments and continually optimise performance.
  • Shape engineering standards, patterns and tooling as part of a new AI function.

YOUR SKILLS AND EXPERIENCE:

  • Strong commercial experience in Data Engineering, ML Engineering or Software Engineering with applied AI delivery.
  • Deep hands-on expertise with GCP services
  • Strong Python skills
  • Practical experience with LLMs, embeddings, RAG architectures and vector databases.
  • A track record of building production-grade AI systems, including observability, evaluation and automated testing.
  • DevOps capability across CI/CD, Docker and Kubernetes or equivalent tooling.

THE BENEFITS:

You will receive a salary, dependent on experience. Salary is up to ÂŁ90,000 On top of the salary there are some fantastic extra benefits.

HOW TO APPLY

Please register your interest by sending your CV to Molly Bird via the apply link on this page.

C++ Software Engineer
Spectrum It Recruitment Limited
Didcot
In office
Junior - Mid
ÂŁ50,000
RECENTLY POSTED

We are seeking a Software Engineer with strong C++ skills to join a small, highly technical development team.

This role offers the opportunity to work on sophisticated software that controls high-precision hardware systems and performs complex image analysis. You will collaborate closely with engineers and scientists to design and deliver integrated hardware and software solutions.

What you’ll do

  • Develop Windows desktop applications using C++ and .NET
  • Design, implement and test software for high-precision systems and imaging platforms
  • Work closely with hardware engineers and technical specialists
  • Contribute to software architecture, planning and agile development
  • Write automated tests and support system validation
  • Occasionally assist with system installation and configuration

What we’re looking for

  • 2-4+ years of software development experience
  • Strong C++ development experience (essential)
  • Experience with .NET (VB.NET) / WinForms or similar desktop frameworks
  • Degree in a STEM discipline
  • Strong problem-solving and mathematical skills
  • Ability to work effectively in a small collaborative engineering team

Desirable experience

  • Multi-threading or concurrent programming
  • Image analysis or data modelling
  • 3D geometry or mathematical modelling
  • Git and automated testing
  • Embedded systems or hardware control

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

Rust Developer Low Latency Trading
client server
London
Hybrid
Mid - Senior
ÂŁ100,000
RECENTLY POSTED

Rust Developer / Backend Software Engineer (Rust Low Latency Trading) London / WFH to ÂŁ180k+

Do you have expertise with low latency software engineering within finance or gaming environments?

You could be progressing your career in a senior, hands-on Rust Developer role at a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses.

As a Rust Developer you will design and develop high throughput backend services for microsecond real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust.

You’ll collaborate with a small, talented team, problem solving and working on complex and challenging systems with interesting work.

Location / WFH:

You’ll join the team in Central London with flexibility to work from home 1-2 days a week.

About you:

  • You have commercial Rust development experience
  • You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python)
  • You have experience of working on high throughput, low latency systems with microseconds / nanoseconds, within a finance (or games) environment
  • You have a good understanding of low level system design, Operating Systems, Networking, Socket Level programming, hardware, compliers, FPGA
  • You achieved a 2.1 or above in Computer Science from a top tier university
  • You are collaborative and pragmatic with great communication and stakeholder management skills, also with some leadership or mentoring experience

What’s in it for you:

As a Rust Developer you will receive a competitive package:

  • Salary to ÂŁ180k
  • Bonus (c50% of base)
  • Pension
  • Hybrid working
  • Career progression

Apply now to find out more about this Rust Developer / Backend Software Engineer (Rust High Frequency Trading) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Software Engineer
Bright Purple Resourcing
Edinburgh
Hybrid
Senior
ÂŁ75,000
RECENTLY POSTED

Senior Software Engineer - Edinburgh, Hybrid
Build software unlike anything else on earth!

Our boundary-pushing client are an R&D tech start-up at the forefront of advancing new and novel ways to see and experience data. This is truly bleeding-edge, nobody else in the world is doing anything quite like this.

From their beautiful city centre offices, a small, specialist team is doing extraordinary things with technologies like React, TypeScript, and Node. They are true craftspeople, with the freedom to experiment and explore on a grand scale.
Predominantly working in web technologies, we are looking for a generalist software engineer who values aesthetics, excited at the prospect of taking ownership over new feature development, and who can demonstrate true love for software engineering above and beyond their day job. Think conferences, personal projects, passion plays, portfolios.
Have you always wanted to scratch an itch, work on something that really excites you? Well, this could be your playground!

Whats in it for you:

  • A salary of up to ÂŁ75,000
  • Hybrid working - Edinburgh 3 Days Per Week (Applicants must be local to, or within commuting distance of, Edinburgh)
  • Top of the range hardware
  • Excellent holidays (generous allowance + BH)
  • Cycle to Work Scheme
  • Support and investment for meet-ups, conference talks, etc.

What youll be doing:

  • Working in a small team developing novel, real-time, large scale web apps
  • Iterating fast
  • Driving new feature development
  • Solve tough problems that havent been encountered, or thought about, before
  • Work with a broad range of technologies
  • Work at complexity and scale

What youll bring:

  • An ability to work in UI technologies like Typescript and React
  • Experience building large-scale web applications
  • Experience with CI/CD pipelines and version control (Git)
  • An appreciation for good UI/UX and data-heavy interfaces
  • A thoughtful, senior-level approach to collaboration and problem solving

Bonus points for:

  • An interest in, or experience with, graphics, games, and design
  • Being able to demonstrate personal work via portfolios, github, etc.
  • Backend experience or familiarity with AWS, Postgres
  • A keen eye for aesthetic detail

Bright Purple is an equal opportunities employer: we are proud to work with clients who share our commitment to diversity and inclusion in the industry.

Senior Software Engineer (C# / WPF)
Oscar Associates (UK) Limited
Oxford
Hybrid
Senior
ÂŁ60,000
RECENTLY POSTED

Senior Software Engineer - Oxford (Hybrid)

Salary: ÂŁ60k + Annual Bonus

We have partnered exclusively with a market-leading Manufacturing company who have an exciting opportunity for a Senior Software Engineer to join their growing team.

This role will be focused on the design, development, and maintenance of their software products within a .NET environment. Successful candidates for this position must have a minimum of 5+ years’ experience developing with .NET, C#, WPF, as well as experience with UI development.

Key Responsibilities:

Work on cross-platform projects including cloud-based, RESTful APIs, and client/server-based solutions.

Plan, track, and manage software projects - working both independently and collaboratively within Agile teams to meet project objectives and deadlines.

Design, develop, test, and maintain applications and GUI software across the full software development lifecycle.

Capture and interpret customer and user requirements to deliver high-quality, reliable software solutions.

Develop and maintain real-time and post-process data analysis software.

Apply relevant expertise in order to create robust, scalable, and maintainable code; whilst adhering to company policies and processes.

Develop and maintain software architecture using best practices such as multi-threading, design patterns, and SOLID principles.

Specify, install, and maintain development tools and technologies (e.g., GitLab DevOps, IDEs, testing frameworks).

Investigate and resolve software issues or feature requests raised by internal teams, representatives, or customers.

Contribute to R&D initiatives by identifying opportunities for innovation and improvement in existing or new software products.

Provide guidance, mentoring, and technical support to junior team members.

Essential Skills:

.NET / .NET Core Frameworks

C# / WPF

Web client-server application development

Experience developing user interfaces, data visualisation tools, and interactive software.

Strong communication and teamwork, able to work effectively across technical and non-technical teams.

Minimum of 2:1 degree in programming or computer science or equivalent industry experience required.

Nice to haves:

Git

Knowledge of communication protocols

Experience in the Manufacturing or Medical Industry

Background in Electronics Engineering

Benefits:

Competitive base salary (DOE)

Annual profit share bonus

27 days holiday + bank holidays

5% employee and 5% employer contributions via salary sacrifice pension scheme

Flexi hours

Private Medical Insurance

EV Car Scheme

Learning & Development training budget

Smart casual dress code

If you’re an experienced Software Engineer skilled with C# .NET and you are looking to join a market-leading company offering a great benefits package, this could be the perfect opportunity for you.

Please apply to be immediately considered.

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

Mainframe IDMS Developer/Consultant - Migrationware
TXP
Multiple locations
Fully remote
Senior
Private salary
RECENTLY POSTED

Location: Remote working - Candidate must be UK based Duration: 3 - 6 months Negotiable day rate A highly accomplished, UK based IDMS Developer/Consultant is required to act as a facilitator, engaging on behalf of a leading Legacy modernisation solutions company, with an end client. Strong IDMS knowledge is essential. As an IDMS SME, you will specialize in designing, coding, and maintaining Mainframe applications using Broadcom (formerly CA) IDMS, a navigational database management system. You will be working with Cobol, ADS/Online, and the Integrated Data Dictionary (IDD) to manage high-performance, Legacy data systems. The successful candidate must be willing to learn "Migrationware's IDMS Solution and be able to accurately represent the Solution to an end client. If you're an experienced Mainframe IDMS Developer/Consultant seeking your next exciting Legacy data migration project - please apply now for an immediate response. The role can be performed remotely but the candidate must be UK based. If your profile demonstrates strong and recent experience in the above areas - please submit your application to Jackie Dean at TXP for consideration. TXP takes great pride in representing socially responsible clients who not only prioritise diversity and inclusion but also actively combat social inequality. Together, we have the power to make a profound impact on fostering a more equitable and inclusive society. By working with us, you become part of a movement dedicated to promoting a diverse and inclusive workforce.

service now developer
Pontoon
Leeds
Hybrid
Junior - Mid
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Service Now Developer - Service Transformation Lab (Modern Workplace Platform)

Locations: Leeds or Edinburgh (40% in office)

Contract: 12 months

Inside ir35

Why this role matters

  • The Service Transformation Lab (STL) builds and improves the colleague facing digital experiences that power the Modern Workplace. Using the capability of the ServiceNow platform, we design services that feel simple, intuitive and consumer grade - especially across the Service Catalogue, Employee Centre, and ITSM journeys.
  • Your work will directly impact how tens of thousands of colleagues raise technology requests, access information, and receive support.

What you’ll do

  • Design & deliver high quality ServiceNow enhancements
  • Build and improve Service Catalogue items, ensuring clear fulfilment flows, accurate data handling, and smooth colleague experiences.
  • Develop features, widgets, and tailored experiences within Employee Centre, helping colleagues find information quickly and navigate with ease.
  • Enhance and maintain ITSM processes (Incident, Request, and to an extent Problem) to streamline how support teams work and respond.
  • Configure platform elements such as flows, workspace components, data structures, access controls, routing logic, and integrations - without unnecessary complexity.

Work collaboratively within SAFe delivery teams

  • Operate as part of an agile squad alongside Product Owners, Analysts, Technical Leads and other Developers.
  • Participate in backlog refinement, PI planning, sprint ceremonies, and demos - ensuring development aligns with STL’s design principles and strategy.

Translate requirements into scalable solutions

  • Work closely with Product Owners and Analysts to understand colleague and operational needs and turn them into reliable platform features.
  • Ensure that enhancements follow platform governance, maintainability and security expectations.
  • Support testing and release readiness by providing clear documentation, guidance, and demonstrations where needed.

Improve end to end colleague journeys

  • Help shape efficient, modern experiences that reduce manual steps, automate fulfilment, improve content discoverability, and support request deflection.
  • Identify opportunities to simplify, consolidate, or streamline existing catalogue and ITSM processes.

What you’ll bring

  • Experience developing on the ServiceNow platform, especially within Catalogue, Employee Centre, or ITSM areas.
  • Strong understanding of key ServiceNow configuration approaches such as flows, business logic, ACLs, data modelling, and platform components.
  • Ability to work effectively within an agile squad, collaborating openly and contributing to continuous improvement.
  • Clear communication skills and the confidence to engage constructively with stakeholders at different levels.

If you believe you have the experience required, please apply with your CV now for instant consideration!

TO APPLY - PLEASE APPLY WITH AN UP-TO-DATE CV

Candidates will ideally show evidence of the above in their CV in order to be considered.

Please be advised if you haven’t heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.

*Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

Dynamics 365 Business Central Senior Developer
The Talent Locker
England
Fully remote
Senior
ÂŁ70,000 - ÂŁ75,000
RECENTLY POSTED

Senior Microsoft Dynamics 365 Business Central Developer
ÂŁ70-75k + Benefits | Remote UK, Spain or Portugal

Do you enjoy owning the technical delivery of complex ERP solutions and working directly with clients to shape how systems support real business operations.

You would play a key role in delivering end to end Microsoft Dynamics 365 Business Central software solutions across a varied client base, ranging from SMEs through to large multinational organisations. This is a position where technical depth matters, but so does the ability to engage with stakeholders, translate business requirements, and guide projects through design, build and implementation.

You will take ownership of solution design and development, ensuring high quality delivery while setting strong technical standards across the team. Alongside hands on development, there is also the opportunity to mentor junior developers and influence best practice across the wider development function.

What you will be doing

  • Designing, developing and implementing Microsoft Dynamics 365 Business Central (D365 BC/NAV) solutions
  • Working closely with clients to understand business processes and translate requirements into technical solutions
  • Developing extensions using AL and delivering robust customisations within Business Central
  • Building integrations between Business Central and external platforms using APIs, web services and third party connectors
  • Producing clear technical documentation and solution design
  • Providing technical leadership and mentoring to junior developers
  • Contributing to development standards and staying current with emerging Microsoft technologies

Experience

  • Strong experience developing in Microsoft Dynamics NAV and Business Central (D365 BC)
  • Commercial experience building AL extensions for Dynamics 365 Business Central
  • Deep knowledge of configuration, customisation and integration capabilities within Business Central
  • Solid functional understanding across Business Central modules
  • Exposure to Azure services is beneficial but not essential

In return, you will join a forward thinking partner environment with access to modern Microsoft tooling, certification support and genuine opportunities to develop your expertise while delivering impactful solutions.

If you enjoy building well engineered Business Central solutions and working with clients who rely on the systems you create, this is a role where your expertise will genuinely shape delivery.

Senior Developer
Michael Page Technology
Birmingham
Hybrid
Senior
ÂŁ60,000 - ÂŁ65,000
RECENTLY POSTED

Our client is in the Financial Sector and is looking to grow the team with a new Senior Developer. This role can be done remote with weekly meet ups in Bigmingham on a Wednesday. The technology function is around 80 people total and you will work in an Agile team of 8.

Client Details

Our client is in the Financial Sector and is looking to grow the team with a new Senior Developer. This role can be done remote with weekly meet ups in Birmingham on a Wednesday. The technology function is around 80 people total and you will work in an Agile team of 8.

Description

  • Design, develop, and maintain software applications to meet project requirements.
  • Collaborate with cross-functional teams to deliver technical solutions in a timely manner.
  • Conduct code reviews to ensure high-quality standards are met.
  • Analyse and resolve technical issues, providing effective solutions when required.
  • Contribute to the improvement of development processes and methodologies.
  • Stay updated with the latest trends and technologies in the professional services industry.
  • Mentor junior developers and share best practices within the team.
  • Ensure compliance with industry standards and company guidelines in all development tasks.

Profile

This role is a largely hands on coding but there will be an element of mentoring juniors, helping to review code, working with Business Analysts and Product Managers to understand business requirements

Must haves:

  • C#
  • Azure
  • SQL
  • Angular
  • Mentoring experience
  • UK work experience

Nice to haves:

  • Certifications
  • K8s
  • Docker
  • Azure Service Bus, Logic Apps, Functions Apps

Job Offer

  • Car allowance of 5k
  • Private medical
  • 25 days + BHS
  • Option to buy 10 more holidays
  • Matched pension
  • Life assurance
Lead Software Engineer ( team management )
Synergize Consulting Ltd
Bristol
In office
Senior
ÂŁ550 - ÂŁ650
RECENTLY POSTED

Overview

We are seeking an experienced SC Cleared Lead Software Engineer to join a secure, mission-critical central government programme.

This role combines technical leadership with hands-on engineering, leading a team of developers responsible for building, improving, and maintaining secure software solutions running on Red Hat Linux platforms. The successful candidate will bring strong engineering discipline, introduce structure to development practices, and ensure applications are robust, secure, and production-ready.

You will play a key role in guiding development standards, managing a team of engineers, and ensuring software is delivered to the highest security and operational standards expected within government environments.

Key Responsibilities

  • Lead and manage a team of software engineers delivering secure applications on Red Hat Linux platforms
  • Provide technical leadership and direction across the full software development life cycle
  • Introduce structure, engineering discipline, and best practice across development teams
  • Oversee the design, development, and optimisation of Python-based applications
  • Ensure code quality through reviews, standards, and mentoring developers
  • Support the transition of development solutions into secure production environments
  • Ensure applications are hardened in line with secure coding and government security standards
  • Collaborate with security, infrastructure, and architecture teams to ensure compliance with relevant frameworks (eg NCSC guidance, Secure by Design)
  • Implement and oversee CI/CD pipelines and DevOps practices
  • Define testing strategies including automated, integration, and security testing
  • Contribute to architectural decisions and technical documentation
  • Support continuous improvement of engineering practices and team capability

Essential Skills & Experience

  • Active SC Clearance
  • Proven experience leading or managing software engineering teams
  • Strong commercial experience developing in Python
  • Experience developing and deploying applications on Red Hat Linux environments
  • Proven experience transitioning applications from development into secure production environments
  • Experience implementing secure coding practices and application hardening
  • Strong understanding of modern software engineering and development standards
  • Experience with Git and modern development workflows
  • Experience with CI/CD pipelines and DevOps practices
  • Experience working within government or highly regulated environments

Desirable Skills

  • Experience working in secure or classified environments
  • Experience with containerisation technologies such as Docker or Kubernetes
  • Exposure to cloud environments (AWS, Azure or similar) within secure settings
  • Experience implementing automated testing frameworks
  • Understanding of Infrastructure as Code (IaC)

Personal Attributes

  • Strong technical leadership and mentoring capability
  • Methodical and structured approach to engineering delivery
  • Security-first mindset when designing and delivering solutions
  • Excellent communication skills with both technical and non-technical stakeholders
  • Comfortable operating in controlled, compliance-driven environments

This is an excellent opportunity for a technical leader who enjoys building high-performing engineering teams and delivering secure, production-grade systems within a critical government programme.

Full Stack Engineer
Pertemps London
London
Hybrid
Mid - Senior
ÂŁ60,000
RECENTLY POSTED

Location: Hybrid, 2 days per week in Central London

About the Role
An exciting opportunity has arisen for a Full Stack Engineer to join a high-performing engineering team working on a large-scale international platform. You’ll design, build and optimise high-performance software solutions across frontend and backend systems, delivering new features, improving performance, and ensuring reliability at scale.
This is a chance to work on a high traffic, international product where engineering quality, scalability, and innovation are central to success.

Key Responsibilities

  • Design, develop, test and deploy scalable full stack solutions
  • Deliver new features across frontend and backend systems
  • Develop and maintain RESTful APIs and backend services
  • Optimise performance and resolve scalability challenges
  • Collaborate with product, design, and engineering teams
  • Participate in code reviews and uphold high engineering standards
  • Develop automated tests and maintain code quality

Skills and Experience

  • Proven experience as a Full Stack Engineer
  • Frontend expertise in Vue.js and Nuxt.js (primary strength)
  • Capable of backend tasks using Go or PHP
  • Strong knowledge of HTML, CSS, and modern JavaScript ES6
  • Experience with RESTful APIs, gRPC, SQL/NoSQL databases
  • Familiarity with Git, containerisation, and deployment tools
  • Excellent problem solving, communication, and collaboration skills
  • Ability to work independently and in a team

Why Apply

  • Work on a high traffic international platform
  • Hybrid role, 2 days per week in a Central London office
  • Collaborative and forward-thinking engineering team
  • Opportunity to influence platform evolution and growth
Software Engineer (C#, C++, Python, TDD, Applied Engineering)
Hays DT - South Coast
Oxford
Hybrid
Mid - Senior
ÂŁ45,000 - ÂŁ68,000
RECENTLY POSTED

Oxford - 4 days per week in office.
ÂŁ45000 - ÂŁ70000 + Package.

  • Must have a Computing/STEM Degree (2:1 or higher).
  • Can work in their Oxford head office 4 days a week.

Your new company
You’ll be joining a cutting-edge engineering and technology organisation that has grown rapidly in the UK, now pushing into global markets. Formed by world leading experts in science/software the business is redefining how high performance components are designed.

You’ll be based from their head office in Oxford 4-5 days a week, joining their R&D function and will require your own vehicle.

Your new role
This role sits in the core Development team and would suit a Software Engineer with a passion for Science/Applied Engineering with commercial Full Stack experience. You’ll participate in the full development life cycle from user story generation to user acceptance testing, speaking to the users continuously and assuming the role of expert problem solver.

The right person will be motivated and hungry to solve first-of-their-kind challenges building proprietary software that makes a difference in the world. You will design, develop and maintain innovative tools spanning data management, traceability, visualisation, predictive modelling, material and component design, and production quality assurance. You’ll work closely with process engineers, technicians and material scientists to deliver high quality, intelligent solutions that support cutting edge manufacturing and materials development.

With the rapid expansion and new investment into the company it’s an exciting time to be joining with solid progression opportunities. You’re also safe in the knowledge the future is bright as their customer list boasts some of the worlds leading tech and engineering brands.

What you’ll need to succeed
We’re looking for candidates with a Bachelors, Masters or PhD Degree in a STEM or Computing discipline - ideally from a Russell Group University.

We need 2-6 years proficiency working in a commercial Software Engineering role/team using either C#, C++ or Python. Ideally you’ll have full stack experience with Blazor or JavaScript/TypeScript.

Above all we are looking for robust OOP programming skills, software design patterns/best practices and practical experience applying TDD. clear communication/interpersonal skills are a must for working closely with internal teams.

Experience with Machine Learning, CI/CD and IAC using Terraform for management of Azure/AWS would be beneficial.

What you’ll get in return
The company offers 25 days’ holiday plus bank holidays, flexible working hours, a pension with a 9% employer contribution, private healthcare covering dental & health screening. There are company share options and a huge collection of local discount schemes including gym membership and there is parking on site.

What you need to do now
To find out more and to be considered for this position please apply directly, or contact Max Wilcock, Business Director.

At Hays Technology, we are shaping the future of recruitment. The rapid adoption of cloud, which is making customer interfaces more engaging and creating a seamless engagement with businesses, means that from the foundation of your organisation up, software developers are critical to success. As the competition for talent grows, we’re ready and waiting to help developers really make an impact on organisations, so talk to us today. We are Hays Technology.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found on our website.

SW Engineer (Distributed Computing, AWS, Python, C#/C++)
Hays DT - South Coast
Oxfordshire
Hybrid
Mid - Senior
ÂŁ45,000 - ÂŁ68,000
RECENTLY POSTED
+1

SW Engineer (Distributed Computing, AWS, Python, C#/C++)Oxford - 3-4 days per week in office.
ÂŁ45000 - ÂŁ68000 + Package.

  • Must have a Computing/STEM Degree (2:1 or higher).
  • Can work in their Oxford head office 3-4 days week.
  • Must have experinece with AWS/Distributed Computing

Your new company
You’ll be joining a cutting-edge engineering and technology organisation that has grown rapidly in the UK, now pushing into global markets. Formed by world leading experts in science/software the business is redefining how high performance components/instruments are designed.

This role would essentially suit someone with a passion for Mechanical Engineering/Physical Modelling with commercial Software Development experience - you must have written production grade code in C#, C++ or Python for application development (not web apps or Embedded) and an interest in pushing Machine Learning over time.

Crucially we are looking for experience with AWS Cloud/Distributed Computing to be considered.

Your new role
In this role you’ll be tackling engineering challenges that most organisations simply can’t touch and building proprietary software that makes a difference in the world. You will thrive in an environment where new challenges appear daily and innovation is the expectation.

Your role will involve developing core modules within the Engineering design platform, and integrating modules into a cloud compute environment for a team that runs Agile. You’ll wrap commercial simulation tools, integrate everything into automated workflows and help streamline complex engineering processes through high quality automation. The right person will be motivated and hungry to solve first-of-their-kind challenges.

With the rapid expansion and new investment into the company it’s an exciting time to be joining with solid progression opportunities. You’re also safe in the knowledge the future is bright as their customer list boasts some of the worlds leading tech, automotive, aerospace and engineering brands.

What you’ll need to succeed
We’re looking for candidates with a Bachelors, Masters or PhD Degree in a STEM or Computing discipline - ideally from a Russell Group University.

We need 2-6 years proficiency working in a commercial Software Engineering role/team using either C#, C++ or Python. Ideally you’ll have worked with Vue/Django, JavaScript/Typescript.

You should have AWS Cloud or Distributed Computing experience to apply for this role. this will be supported by a mix of Kubernetes cluster experience, PostgreSQL and Linux platform background.

You’ll have a strong knowledge of software design patterns and modern engineering principles and clear communication/interpersonal skills are a must for working closely with internal teams.

Experience with AWS, Machine Learning models, agentic AI pipelines would be beneficial.

What you’ll get in return
The company offers 25 days’ holiday plus bank holidays, flexible working hours, a pension with a 9% employer contribution, private healthcare covering dental & health screening. There are company share options and a huge collection of local discount schemes including gym membership and there is parking on site.

What you need to do now
To find out more and to be considered for this position please apply directly, or contact Max Wilcock, Business Director.

At Hays Technology, we are shaping the future of recruitment. The rapid adoption of cloud, which is making customer interfaces more engaging and creating a seamless engagement with businesses, means that from the foundation of your organisation up, software developers are critical to success. As the competition for talent grows, we’re ready and waiting to help developers really make an impact on organisations, so talk to us today. We are Hays Technology.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found on our website.

ServiceNow Developer
IDPP
Manchester
Hybrid
Mid - Senior
ÂŁ450/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Rate: ÂŁ450.00 per day outside IR35

Primarily Remote Working - Occasional travel to Manchester

6-month initial contract

CTC clearance preferred

We are seeking an experienced ServiceNow Developer to support a major end client via a leading managed service provider. These hybrid UK-based roles offer an opportunity to contribute to a large-scale transformation programme, delivering high-quality ServiceNow solutions in a collaborative environment.

Key Responsibilities

  • Deliver and implement functional and configuration changes across ServiceNow modules.
  • Support seamless fault reporting and resolution within ServiceNow.
  • Collaborate effectively with technical and business stakeholders.
  • Execute configuration, service delivery, and implementation activities (CSD).
  • Operate confidently across SPN and CSN environments.

Requirements

  • Strong verbal communication skills, with the ability to engage across diverse teams.
  • Proactive and hands-on approach, able to work independently and as part of a team.
  • Proven experience in ServiceNow implementation and configuration.
  • Background in SPM, IRM/H&S/BCM, or HRSD modules.
  • CTC clearance preferred (or eligibility to obtain).

Please attach your CV for immediate consideration

Fullstack Developer
Qualient Technology Solutions UK Limited
Yorkshire
Hybrid
Mid - Senior
Private salary
RECENTLY POSTED
+2

We at Qualient looking for Fullstack Developer with Python & VUE Experience.

Job Description:

Key Responsibilities:

  • Lead the design and development of complex applications using Core Python and web frameworks like Flask.
  • Implement best practices in software development, including exception handling, data structures, and object-oriented programming (OOP).
  • Front End development using VueJS, JavaScript, CSS, and HTML to create seamless user interfaces.
  • Develop and optimize SQL databases, ensuring efficient data storage and retrieval.
  • Utilize AWS Core services and Terraform for cloud infrastructure management and deployment.
  • Design and implement serverless architectures and manage Docker containers.
  • Oversee the integration of various components and troubleshoot/debug applications to ensure smooth operation.
  • Mentor and guide junior developers in coding standards, version control using GitHub, and code tracking.
  • Engage in data analysis and visualization to inform decision-making and enhance application performance.
  • Develop applications using event-driven programming paradigms and adhere to design patterns like Model View Template (MVT) and Model View Controller (MVC).
  • Ensure security and compliance through PKI and OIDC with OAuth 2.0 implementation.
  • Automation: Unit Testing, API Testing and drive automation coverage through TDD

Qualifications:

  • At least 5+ years of experience in software development, with a focus on Python and web frameworks.
  • Strong understanding of Front End technologies including Vue.js, CSS, and HTML.
  • Proven experience with databases and SQL, along with a solid grasp of data analysis and mathematics.
  • Familiarity with cloud services, particularly AWS, and infrastructure as code tools like Terraform.
  • Hands-on experience with Docker and serverless architectures.
  • Excellent problem-solving skills, attention to detail, and ability to work in a fast-paced environment.
  • Strong communication and leadership abilities, with a knack for mentoring team members.

Essential Skills:

  • Agile experience: prior experience and strong working knowledge in Agile methodologies and using processes to drive continuous improvement
  • Understanding of CI/CD processes and tools.
  • Ability to identify problems and develop problem statements, research on new technologies and propose proof of concepts with respect to existing business and new business
  • Ability to effectively present information and respond to questions from business and technical staff
  • Ability to adjust to rapidly changing requirements and timelines
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.