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Backend Engineer Jobs in Bristol

Overview

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Principal Software Engineer / Architect
Client Server Ltd.
Bristol
Fully remote
Mid
£85k - £100k
RECENTLY POSTED
aws
dot-net
csharp
postgresql
dot-net-core
sql
Principal Software Engineer / Architect (C# .Net AWS) Remote / Bristol to £100k
Are you a highly technical Principal Software Engineer with strong architecture and design skills?
You could be progressing your career at a financial services tech consultancy that specialise in solutions for Pensions and Investment Managers.
As a Principal Software Engineer / Architect you will lead the design and development of scalable, robust and secure software solutions, playing a critical role in shaping the technical direction of products balancing architectural design patterns with pragmatic solution design and guiding engineering teams through implementation. You’ll ensure secure coding and best practices are being followed and create appropriate technical documentation.
There’s approximately a 50/50 split between architecture and coding, you’ll become a member of the Architecture Guild, with continual learning and development opportunities and every Friday being dedicated to L&D or collaborating as part of the Architecture Guild.
Location / WFH Policy:
You can work remotely, from home most of the time, joining colleagues in the Bristol or London office fairly regularly (e.g. once a quarter).
About you:
You have experience with designing, implementing and enhancing native cloud solutions
You have expertise with C# .Net including .Net Core
You have experience with microservices, CQRS and Event Sourcing to deliver scalable performant services
You have experience with Cloud technologies, AWS preferred but Azure also considered
You have strong database experience with SQL (PostgreSQL or SQL Server)
You’re collaborative with great communication skills and experience of coaching and mentoring
You’re comfortable working as part of a leadership team
What’s in it for you:
As a Principal Software Engineer / Architect you will earn a competitive package:
Salary to £100k
25 days holiday plus an extra day off for your birthday and additional three days over Christmas
Pension 9%
Private medical care
Life Assurance and Critical Illness Cover
Paid maternity, paternity, adoption or shared parental leave
Mostly remote / work from home
Subsidised gym membership and more
Apply now to find out more about this Principal Software Engineer / Architect (C# .Net AWS CQRS Event Sourcing) 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.
Software Engineer
Oscar Technology
Bristol
Hybrid
Mid
£40k - £50k
RECENTLY POSTED
react
git
javascript
c++
jira
relay
+1
Software Engineer - Derbyshire - C++/SQL/React - £40,000 - £50,000
The RoleAn exciting opportunity has arisen for a skilled Software Engineer to join a growing Agile development team, working on advanced software solutions for complex engineering applications.
This is a technical development role with a strong focus on modern C++ and software engineering best practices. You will be involved in the full development lifecycle, from requirements gathering and design through to implementation, testing, and deployment.
You will be using your strong understanding of Software Design principles and OOP to relay important information to both technical and non-technical stakeholders. There will also be the opportunity to work on exciting projects involving multiple 3D projects.
Requirements
Minimum 5 years of experience
C++ (C+ upwards)
Solid understanding of OOP
Agie experience and use of various tools Visual Studio, Git, Jira etc
Great communication skills
Desirable
Strong Maths/Physics background
React and JavaScript
The Company
This is a well-established organisation recognised for delivering high-performance engineering software used worldwide. Their teams are highly collaborative, technically driven, and committed to pushing the boundaries of precision and performance.
They provide an environment that values innovation, continuous learning, and technical excellence. You’ll have the opportunity to expand your skill set while contributing to projects that make a real impact across multiple industries.
This role offers a salary of £40,000 - £50,000, hybrid working in Derbyshire. Benefits include strong career development, professional training, 25 days holiday plus bank holidays, company pension, annual bonus and lots more.
Apply Now
If you’re a passionate C++ Software Engineer looking to work on technically challenging and rewarding projects, this is the role for you.
Click apply now and take the next step in your development career.
Software Engineer - Derbyshire - C++/SQL/React - £40,000 - £50,000
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.
Software Engineer
Leidos
Multiple locations
Fully remote
Mid
£48k - £61k
RECENTLY POSTED
processing-js
aws
puppet-labs
confluence
git
kafka
+3
Description
Software Engineer
Join our UK Team who are committed to a Mission!
A Software Engineer is required to support the development of a multiple award winning ATM system. This is an opportunity to work on a programme with an exciting pipeline of international work and provide Air Traffic Control Officers (ATCO) with tools to enhance their operation. The successful candidate does not need to be familiar with ATM; on-the-job training will be provided as required.
The software engineer will work in a rapidly changing environment, delivering software of a high quality to wide range of difficult problems. They will work as part of a team performing all software development activities throughout the development life cycle to meet sprint milestones. The position will require understanding and application of the software engineering standards, principles and best practices.
Typical Duties:
Design software using functional and/or object oriented methodologies
Implement software solutions and/or tools that contain logical and mathematical solutions
Conduct functional, unit testing and/or early system integration testing
Investigate problems identified during test, including problem diagnosis and resolution
Prepare operating instructions for the software application and/or tool
Document and present research findings to relevant stakeholders
Apply the appropriate standards, processes and principles in his/her daily activities
Required Skills:
Experience of developing software in C and/or C++
A self-starter with good verbal communication
Excellent written communication through the use of e-mail, presentations and reports
Comprehensive understanding of various software development methodologies
Ability to work with due attention to schedule and cost constraints
Adherence to process within a software development environment
Ability to work as part of a software development team
Knowledge of configuration management within an software engineering environment (e.g. Subversion, Git)
Desired Skills:
Experience of developing software in Java
Experience of Agile development (e.g. Scrum, SAFe)
Experience of Linux operating systems and scripting languages (e.g. Python)
Knowledge of infrastructure as code and container technologies (e.g. Puppet, Docker)
Knowledge of COTS integration technologies (e.g. Apache Camel, Apache Kafka)
Experience of Atlassian tools (e.g. Jira, Confluence)
Experience with public cloud platforms (e.g. AWS)
Experience of the complete system life cycle from problem definition through to deployment
Understanding of the principles of systems engineering, and integration and test
Software development within a real-time and/or safety-related system
Experience of systems / software design tools (e.g. Enterprise Architect, Camo Systems Modeller)
Standard Job Description:
Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyses system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.
WHAT DO WE DO FOR YOU?
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.
We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:
Contributory Pension Scheme
Private Medical Insurance
33 days Annual Leave (including public and privilege holidays)
Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
Flexi working.
Commitment to Diversity:
We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.
Who We Are:
Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.
What Makes Us Different:
Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.
If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.
Original Posting:
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:£47,500.00-£60,900.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
#Remote
Software Engineering with AI Integration
Alexander Mae (Bristol) Ltd
Bristol
In office
Mid
£30k - £35k
RECENTLY POSTED
javascript
python
The Company:
Our client is at the cutting edge of development in software solutions for healthcare learning. With clients who are universities, colleges, and regulatory bodies and based both in the UK and throughout the world. Through working with their client’s needs, they specialise in high stakes summative exam software as well as course management systems. They have built a company which is providing innovate solutions to their clients and as a result are a successfully growing business operating not only all over the UK but internationally too.
The Job:
On their behalf, we are looking for a Software Engineer with an AI integration specialisation. This position is integral to the continued advancement of the innovative, customer-facing AI solutions embedded within their products.
Are you looking for a challenging and rewarding career move in software development? Do you have a passion for delivering innovative solutions? It’s a fascinating business to work in, developing innovative solutions for clients who are educating our future doctors, nurses, dentists and pharmacists.
As part of the development team, you will be responsible for translating high-level AI concepts into functional prototypes, working closely with stakeholders to refine solutions, and collaborating with product engineers to evolve validated prototypes into robust, production-ready features that integrate seamlessly into the main codebase.
Responsibilities will include:
Prototype & Design AI Features
Translate high-level product ideas into functional AI prototypes that demonstrate core value and feasibility.
Contribute to the architecture, data flows, and UI/UX design of each prototype to ensure scalable and user-centred solutions.
Collaborate with the product engineering team to develop validated prototypes into production-ready implementations.
Stakeholder Collaboration
Present and demo prototypes to Project Managers, Senior Developers and Directors to gather feedback and drive iteration.
Communicate technical decisions, constraints, and trade-offs in clear, accessible language for both technical and non-technical stakeholders.
Code Development & Review
Write clean, maintainable code using JavaScript/Java/Swift/C#/HTML/CSS/ASP/SQL where required.
Integrate external AI services (e.g., OpenAI API) into prototypes and production features.
Participate in code reviews and incorporate feedback to uphold high standards of code quality.
Testing & Quality Assurance
Develop and maintain automated tests using their Test Harness to ensure functional and performance integrity.
Ensure all implementations meet security, accessibility, and performance standards before being merged into the product codebase.
The Person:
For this role our client is looking for an individual who has also demonstrated their capability in software engineering, and possess experience in integrating third-party APIs, ideally inclusive of AI or language model services.
This is a growing company within the dynamic EdTech sector. You will have the opportunity to help them drive that growth in this key role within the business.
Essential Qualifications & Experience:
Strong background in computer science, mathematics, or a related quantitative discipline either through formal education or equivalent demonstrable hands-on experience.
Proven experience developing web applications, with proficiency in JavaScript.
Practical experience integrating third-party APIs, ideally including AI/LLM services.
Desirable Experience:
Exposure to AI/ML frameworks such as Python, Hugging Face, or Azure AI.
Experience in modernizing or migrating legacy technology stacks.
Familiarity with assessment platforms, ed-tech, or regulated software environments.
Experience with test-driven or behaviour-driven development methodologies.
The Benefits:
25 days holiday Bank Holiday
Health plan
Enhanced pension contribution
The Salary:
£30-35,000 based on experience
The Hours:
40 hours 8:30am - 5:30pm or 9:00am - 6:00pm
The Location:
Bristol
Desktop Software Engineer - C# WPF
Zenovo
Bristol
Hybrid
Mid
£50k - £65k
RECENTLY POSTED
csharp
windows
dot-net
git
trello
visual-studio
Job Title: Desktop Software Engineer
Location: Bristol (On-Site 3 Days Per Week)
Salary: Up to £65,000 (Depending on Experience)
Overview of the Role:
On behalf of a key client in Bristol, we are looking for a Software Developer to design and develops high-performance communication software capable of interfacing with various systems, leveraging functional specifications and appropriate engineering tools.
A suitable candidate will be able to translates high-level specifications into detailed development roadmaps and collaborate with the design team to ensure timely completion of milestones. Whist implementing robust and reliable software solutions, you will be contributing to reliability analysis by performing risk assessments and FMEAs through data analysis, and defining system-level testing requirements.
Required Technical Skills & Experience:
Proficient in software development utilizing C#, the .NET Framework, and .NET technologies.
Skilled in developing WPF applications.
Experienced in designing applications that are multi-threaded and/or multi-process.
Understanding of synchronization challenges in multi-threaded environments.
Familiar with Visual Studio
Competent in using Microsoft Windows operating systems and Office applications at a user level.
Job Responsibilities:
Develop and design software solutions to implement product changes and enable new product offerings.
Create and implement software for interface and communication systems.
Design, develop, and execute unit tests to ensure software quality and reliability.
Maintain and enhance existing software written in C#.
Identify, analyse, and resolve software defects.
Utilize Git for source code management and collaborative development.
Employ task tracking systems like Trello to manage issues and coordinate development efforts.
Analyse and resolve design challenges, proposing effective solutions.
Install and configure development tools, including IDEs and source code control systems.
Create comprehensive documentation for both new and existing code, as well as interfaces.
Education:
Degree in a relevant area such as Software or Electronic Engineering
Benefits:
Flexible Working Hours
Hybrid Working
Early Finish on Fridays
Enhanced Employer Pension Contribution
Private Healthcare (including additional family members)
Life Assurance
Discretionary Performance Related Bonus
Umbraco Developer
IO Associates
Bristol
Hybrid
Mid
£50k - £60k
RECENTLY POSTED
umbraco
dot-net
csharp
Umbraco Developer - Mid to Senior Level
Location: Bristol/Hybrid
Type: Permanent
Salary: £50k - £60k
iO Associates are working with a fast-growing digital technology company that delivers innovative, bespoke software solutions for charities, membership organisations, and purpose-driven clients. Their mission is to make a positive impact by building user-friendly, scalable, and integrated platforms, and they’re looking for someone like you to join their team.
The Role
You’ll be part of a collaborative, agile development team, working across the full software life cycle. Day-to-day, you’ll be building and maintaining Umbraco-based web applications, delivering CRM and API integrations, and ensuring the performance and scalability of solutions.
You’ll have direct involvement with clients, so strong communication and problem-solving skills are key. This role will suit a developer who thrives in an agency-style environment, enjoys technical variety, and wants to contribute to meaningful projects with real-world impact.
What You’ll Be Doing
Building and maintaining applications with Umbraco CMS
Developing reusable, reliable, high-quality code in C#/.NET
Delivering integrations with CRMs and APIs
Working in an agile team with other developers and a project manager
Engaging with clients to understand needs and shape solutions
What We’re Looking For
Proven experience as an Umbraco Developer (mid-senior level)
Strong skills in Umbraco CMS, C#, .NET, Azure, and API integration
Experience in an agency or consultancy environment (highly desirable)
Bonus points for knowledge of Dynamics 365 or PowerApps
Strong communication, problem-solving, and team collaboration skills
If you’re looking to grow your skills, work on interesting projects, and collaborate with a supportive team of developers, we’d love to hear from you. Apply today and take the next step in your career.
Senior Full-Stack Engineer
ADLIB
Bristol
Hybrid
Senior
£65k - £95k
RECENTLY POSTED
react
processing-js
typescript
docker
sql
React, Typescript, Node
Fast-growing Climate Tech startup.
Exciting projects, collaborative mission-driven team.
We’re looking for a senior full-stack engineer with React, Typescript, Node skills to join one of the region’s most exciting Climate Tech companies. They’ve built a platform which helps to drive the transition away from fossil fuel heating in people’s homes and are now looking to add to their team. They’re helping to seriously reduce carbon emissions whilst also helping to reduce homeowner energy bills. Now is a great time to join them as they’re scaling and have already had great success. 2 days in the office in Central Bristol.What skills you’ll be needing
React and Typescript.
Relational database design, SQL, Postgres.
REST APIs.
Any of the following would be very desirable: Node, Tailwind, Docker.
Strong product focus, understanding problems and talking to customers directly.
Genuine interest in climate tech and sustainability.
Strong team player, collaborative and impact-driven.
What you’ll be doingWorking in a small but growing development team, you will be able to work across the entire stack on their core product. They have a variety of applications, integrations with hardware and monitoring systems, data collection and processing apps etc so there’s a great opportunity to add value on a wide range of projects. You’ll be working alongside highly motivated developers and will be able to learn, collaborate and enhance your skills whilst experimenting and learning new technologies. They’ll look for you to be able to speak to customers, use exceptional problem solving abilities and uphold a high quality standard of coding. This is a fantastic opportunity to use your skills to help the planet!What you’ll get in return for your talentsThey’re looking at a range of experience (£65K-95K) and will offer equity/options to help you feel really embedded into the success of the company. There’s 25 days holiday (plus bank hols) and the opportunity to work from abroad for 30 days each year. In addition there’s an excellent opportunity to progress your career as they grow, learning from people who have built Net-Zero products previously. If you’re looking for a role where you can make a real impact and see your work helping the environment then this is one for you!What’s nextLike the sound of this one? Send in your CV now for immediate consideration.
Ruby Developer - Contract
Hays Specialist Recruitment Limited
Bath
Remote or hybrid
Mid
Private salary
RECENTLY POSTED
ruby
jira
gitlab
Hays are now looking for a Ruby Developer for one of our local clients:
Day Rate: Negotiable
Hybrid: Mainly Remote with some travel to Bath
Contract Length: 10 Months+
The successful candidate will join a compact, high-performing development team, delivering targeted Ruby-based projects including development of our client’s content management systems.
What We Are Looking For Broad expertise in Ruby-driven digital development, evidenced by a strong portfolio Deep familiarity with standard Ruby tools and workflows, including GitLab Rapid aptitude for understanding complex systems and infrastructures Proven track record of independently leading development initiatives Skilled in advising on technical roadmaps and infrastructure decisions Strong adherence to Agile practices, with hands-on experience in iterative delivery teams Proficient using Jira or equivalent project-management platforms Extensive hands-on work with Ruby-based CMS (inc.Typecase) or equivalent systems
If you have the above skill-set and are looking for a new contract, click ‘apply now’ to forward an up-to-date copy of your CV or send a copy to
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 at hays.co.uk
Data Integration Engineer
JAM Recruitment Ltd
Bristol
Hybrid
Mid
£650/day - £745/day
RECENTLY POSTED
aws
graphql
nodejs
java
nosql
python
+4
SC Cleared Data Integration Engineer
Bristol or London (2 days per week onsite)
Up to 745 per day (Umbrella, Inside IR35)
Must hold live and transferrable SC Clearance used within the last 12 months
About the Role
We’re looking for a highly skilled Software Engineer / Data Integration Specialist to join a mission-critical programme, ensuring data and services move seamlessly, securely, and efficiently across systems. This role blends backend software engineering with data integration expertise, offering the chance to work on high-impact projects within a collaborative, technically advanced environment.
Key Responsibilities
Integration Development - Design, build, and maintain integrations between internal systems and third-party platforms via APIs and related technologies.
Data Pipeline Engineering - Create scalable, reliable pipelines to ingest, transform, and deliver data across multiple environments.
Collaboration - Work closely with software engineers, DevOps, and product teams to translate integration requirements into effective solutions.
Troubleshooting & Optimisation - Resolve integration challenges including data mismatches, authentication issues, and performance bottlenecks.
Documentation - Produce clear documentation for integration workflows, processes, and architecture.
Monitoring & Maintenance - Implement robust logging, alerting, and performance monitoring for integrations.
Continuous Improvement - Champion enhancements to integration architectures and best practices.
Skills & Experience Required
Experience with workflow orchestration tools (e.g., Apache Airflow).
Proven track record in backend development (e.g., Node.js, Python, Java).
Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
Experience with ETL/ELT tools and frameworks.
Solid database skills (SQL and/or NoSQL).
AWS cloud platform experience, particularly in integration services.
Strong debugging, problem-solving, and communication abilities.
Comfortable in agile environments and familiar with CI/CD and DevOps practices.
Understanding of data security, privacy, and compliance (e.g., GDPR).
Apply Now
Bring your software engineering and data integration expertise to a role where your work will make a measurable impact on secure, data-driven systems.
Back End Developer
Sanderson
Bristol
Fully remote
Mid
£400 - £425
RECENTLY POSTED
TECH-AGNOSTIC ROLE
Job Title:
.Net/C# Backend Developer - Defence Sector
Location: remote - Adhoc travel to client site Contract Type: Outside IR35Day Rate: £400 - £425/dayClearance Required: SC Cleared
We are currently seeking a highly skilled Backend Developer with active SC Clearance to support secure and mission-critical projects within the Defence sector. This is a fully remote contract opportunity, operating outside IR35, with occasional travel required for key meetings or project milestones.
The ideal candidate will have strong experience in back end development using .Net or C#, and a solid understanding of Microsoft Azure cloud services. Familiarity with Site Core CMS is essential, and prior experience working within Defence or other secure environments will be highly advantageous.
Key Responsibilities:
Develop and maintain back end systems using .Net/C#
Integrate and manage Site Core CMS components
Deploy and manage applications within Azure environments
Collaborate with cross-functional teams to deliver secure, scalable solutions
Ensure compliance with Defence sector standards and security protocols
Required Skills & Experience:
Proficiency in .Net or C# development
Hands-on experience with Site Core (or “Site Core”) CMS
Strong working knowledge of Microsoft Azure
Active SC Clearance (or demonstrable eligibility)
Proven background in Defence-related projects or secure environments
This is an excellent opportunity for a motivated developer to contribute to high-impact work in a secure domain, while enjoying the flexibility of remote working and competitive day rates.
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason***,*** please let us know when you apply or talk to the recruiters directly so we can support you.
Senior Developer
IO Associates
Bristol
Fully remote
Senior
Private salary
RECENTLY POSTED
php
aws
mongodb
mysql
github
typescript
+2
I’m working with a down-to-earth company that gives its dev team the autonomy to lead changes and make a significant impact on the platform.
We have recently brought all development in-house and we are now looking for a Senior Developer with strong TypeScript experience to join the team.
You’ll be hands-on in development and bring a passion for helping your peers and supporting junior team members to grow.
Excellent communication skills are essential, as you will be responsible for clearly articulating technical principles and explanations of architecture and patterns.
The role is mostly remote, with occasional visits to their Bristol office. Ideally, you’d go to Bristol once a week, but there’s some flexibility.
You must have the right to work in the UK and live within a commutable distance of Bristol.
Tech Stack and Experience:
Required/MUST HAVE: Strong TypeScript experience
Preferred: Node.js or Angular experience, with an interest in working with AWS and MongoDB
Bonus: Experience with GitHub, Time Series Data, PHP, MySQL, or IoT
One of the first tasks will be to support further with the rewrite and modernisation of the platform originally built in PHP, adding microservices. While a small part of their offshore team will handle bug fixes and other issues, the focus will be on writing clean, efficient code.
This is a genuine greenfield project, offering a unique opportunity to join a smart and collaborative team. It’s an excellent time to join as they have substantial investment, providing the resources to do quality work. You’ll enjoy the dynamic environment of a start-up without the associated risks.
If you’re a passionate developer with a knack for TypeScript and are excited about the opportunity to grow both technically and as a mentor, please apply. I’m happy to discuss the role and the company in more detail.
Senior Software .NET Developer
Adecco
Bristol
Hybrid
Senior
£65k - £85k
dot-net
dot-net-core
Job Title: Senior Backend .NET DeveloperLocation: Hybrid - BristolSalary: £65,000 - £85,000 + Great Bonus and Benefits
About the RoleWe’re looking for a talented Senior .NET Developer to join a highly secure, product-focused organisation operating in a fast-paced and innovative environment. This is a fantastic opportunity to work with modern technologies, driving the development of scalable and reliable solutions at the core of the business.
The role is predominantly backend-focused, using C#, .NET Core, Azure, and Kubernetes, with occasional exposure to React on the frontend. You’ll be working alongside a collaborative engineering team, building high-quality, secure, and high-performing products that have real impact.
Key Responsibilities
Design, develop, and maintain backend services using .NET Core.
Deploy and manage applications in Azure with Kubernetes for scalability and reliability.
Collaborate with cross-functional teams in a product-focused environment.
Ensure high standards of security, performance, and maintainability.
Support continuous improvement by introducing new ideas, tools, and practices.
Skills & Experience Required
Proven experience as a backend developer using .NET Core.
Strong knowledge of Azure cloud services and Kubernetes.
Experience building scalable, resilient applications in a fast-paced environment.
Exposure to frontend frameworks such as React (nice to have, not essential).
Strong understanding of software development principles, testing, and CI/CD practices.
What’s on Offer
Opportunity to work in a secure, stable business with a strong focus on product development.
Collaborative, fast-paced environment with modern technology stacks.
Clear career progression and professional development opportunities.
Slot Mathematician
Oscar Technology
Multiple locations
Fully remote
Mid
£55k - £70k
csharp
cuda
Job Title: Slot Mathematician
Work Pattern: Remote
Salary: £55k - £70k
Key Skills: Mathematical Modelling, C#
Summary
We are seeking a Slot Mathematician to join a software development company who work to bring invention and innovation to the manufacturing industry. The role is being offered on a permanent, full-time basis, and with a remote work pattern (but very occasional visits to an office)
The office is located just outside of Oxford, close to transport links.
We are looking for a proactive, strategic, and enthusiastic individual with previous experience as a Slot Mathematician, C# development experience, and a relevant university degree,
The Company
The company specialize in researching, developing and producing cutting edge tech solutions to help brands revolutionize their use of data.
They are now looking for an individual who shares their passion for technology and innovation to join them on their mission of providing exceptional services to ensure their client’s success.
The Role
In this position you will be providing your expertise in mathematical models, C# development and analysis skills working alongside engineers on technical implementations. As you’ll be joining a team of dedicated, and enthusiastic professionals we’re looking for someone with a similar mindset who is ready to get stuck in at a fast-paced environment.
Develop and explore the functionality of slot games
Produce models and provide analysis and explanations
Work with simulation developer to validate simulating
Work alongside engineers on the technical implementation of mathematic models and assist with model troubleshooting
Ability to work on multiple projects at one time
Requirements
C# Development
Mathematics (or similar) Univeristy Degree
CUDA / Open CL (Bonus!)
Database Development (Bonus!)
Next Steps
If you are an Slot Mathematician and you are looking to partner with an organisation that has a fantastic approach to work where you would play a critical role, then look no further - this is the role for you!
Referrals:
If this role isn’t right for you, do you know someone that might be interested? You could earn £500 of retail vouchers if you refer a successful candidate to Oscar. Email: to recommend someone for this role.
Interviews for this role will be held imminently. To be considered, please send your CV to me now to avoid disappointment.
Job Title: Slot Mathematician
Work Pattern: Remote
Salary: £55k - £70k
Key Skills: Mathematical Modelling, C#, Mathematics Degree
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Senior Full Stack Engineer TypeScript
SR2
Bristol
Hybrid
Senior
Private salary
typescript
react
nodejs
Senior Full Stack Engineer Weekly visits to Central Bristol Salary Range: £75-90kWould you like to spend your day-job helping the UK become net-zero?These opportunities don’t come around too often - I’m working with a start-up who are supporting the UK with its goal of becoming Net Zero by 2050!The work you’ll do will genuinely help save the planet!They’re currently a team of 10+ and want to add a Senior Full Stack Engineer to their existing team of amazing engineers in Bristol (the calibre in the team is exceptional!). After launching in early 2024, they’ve already built an impressive customer base & significant revenue generation. Their next step is to develop their suite of products further as they look to cover new areas within the renewable energy sector.You’ll be working on a range of exciting projects & working with highly complex engineering problems, so this is an opportunity for someone who enjoys working in an intellectually challenging role.You’ll have strong skills across the JavaScript/TypeScript stack, and can lean either towards the backend or frontend - the main thing is that you’re comfortable working full stack and keen to get stuck into build mode!This is an amazing opportunity for someone who either wants to make an environmental impact via reducing Carbon Emissions or someone who’s excited by joining an early-stage start-up - or both!What you’ll need
Strong experience across the TypeScript stack (Node.js & React)
Comfortable across both backend & frontend development, but can have a lean towards one area of the stack
Ideally expertise in infrastructure/DevOps
Experience in a fast-paced start-up environment or ability to operate in such an environment
The desire to work alongside other exceptional developers & work on intellectually challenging engineering problems
A passion for environmentally-focussed products or developing clever solutions for society-wide issues
A strong user-focus; building products that focus on how they will impact the most important people - the users
The ability to build things quickly at scale
Highly collaborative and enthusiastic about working on a hybrid-working basis alongside amazing colleagues a couple of days a week in Bristol!
Click the ‘apply’ button now to find out some more!
Junior/Mid-Level Software Engineer
SR2
Bristol
Hybrid
Mid
Private salary
react
typescript
nodejs
Mid-Level Full Stack Engineer 2 days a week in a Central Bristol office Salary Range: £45-60kWould you like to spend your day-job helping the UK become net-zero?These opportunities don’t come around too often - I’m working with a start-up who are supporting the UK with its goal of becoming Net Zero by 2050!The work you’ll do will genuinely help save the planet!They’re currently a team of ten and want to add a Junior or Mid-Level Full Stack Engineer to their existing team of amazing engineers in Bristol (the calibre in the team is exceptional!). After launching in early 2024, they’ve already built an impressive customer base & significant revenue generation. Their next step is to develop their suite of products further as they look to cover new areas within the renewable energy sector.You’ll be working on a range of exciting projects across the full stack (in TypeScript) and will ideally have particular strengths in formulating well designed & clean frontend UIs, but also the ability to build complex APIs on the backend. You’ll also need to be comfortable working in a fast-paced start-up on a variety of projects.Working at a fast-pace, across a variety of projects & with an exceptional team of experienced engineers, this is a genuinely amazing opportunity to accelerate your career and develop your skills quickly!What you’ll need
Commercial experience working full stack with TypeScript (Node.js & React),
The ability to work in a fast-paced environment that can be ever-changing - if you’re currently working in a slow, large-scale organisation and it’s not for you, then this could be the change of pace that you are looking for
Highly collaborative and enthusiastic about working on a hybrid-working basis alongside amazing colleagues a couple of days a week in Bristol!
A strong user-focus; building products that focus on how they will impact the most important people - the users
Strong desire to develop your skills further & learn across the full stack (including infrastructure & DevOps for example)
The desire to work alongside other exceptional developers & work on intellectually challenging engineering problems
A passion for environmentally-focussed products or developing clever solutions for society-wide issues
The ability to work autonomously on projects (there will be support available from highly experienced engineers, but we are looking for someone who is happy to take on a challenge and throw themselves into projects with as much autonomy as possible!)
Click the ‘apply’ button now to find out some more!
SAP Developer all levels MoD, Defence
Ernest Gordon Recruitment Limited
Bristol
Hybrid
Mid
£75k - £80k
TECH-AGNOSTIC ROLE
SAP Developer all levels (MoD, Defence)Hybrid working, occasional travel to sites**£75,000** to £80,000 + Excellent Benefits Training + Progression + Company Benefits*Are you a SAP Developer looking to work for one of the largest Engineering and Defence companies in the world?*Do you want to work in a globally recognised company where there are tons of opportunities to develop your technical skillset, as well as a clear line of internal progression?On offer is the opportunity for a SAP Developer to join a leading and globally recognised Engineering, Aerospace and Defence company, that are working some of the most high-tech security and Engineering projects for organisations such the MOD.In this role, you will be working closely with our customers to deliver, maintain, troubleshoot and enhance SAP functionality, the Senior SAP Developer adds value to the SAP organisation through their development knowledge across a range of SAP technologies to code and develop solutions and services alongside their knowledge of SAP modules, systems and third-party solutions.
This role would suit a SAP Developer with hands on SAP development experience, looking for a new role working for a globally leading Engineering and Defence company where you will be heavily invested in and provided with a clear line of progression.The Role:
Responsible for assisting with specific system design and development activities relating to general SAP development.
Developing personal and technical skills to ensure constant improvement and deployment of high-quality SAP applications.
Knowledge of SAP technology roadmaps to support SAP Technical and Development Leads in associated technical future planning exercises.
A subject matter expert in SAP development technologies providing guidance across the stakeholder community, working within the Applications team to ensure all applications are fit for purpose and deliver business value.
Ensure approved tasks are delivered as guided by the SAP Development Lead and Sap UI5 Lead Developer.
Ensure delivery of good customer service via consistent, well documented and agreed developed solutions.
The Person:
Hands-on SAP Development experience.
Ability to gain SC Security Clearance
Must be a British National, no dual nationals.
If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV.*We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised is a guideline for this position. The offered renumeration will be dependent on the extent of your experience, qualifications, and skill set.*Ernest Gordon 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 at our website.
SQL Developer
Erin Associates
Trowbridge
In office
Mid
£70k - £75k
sql
php
dot-net
git
javascript
dot-net-core
SQL Developer - Trowbridge- £70,000- £75,000 + Excellent benefits package. SQL Developer, Stored Procedures, .Net Core, HTML, Bath, Bradford-on-Avon, Chippenham, Swindon This established market leader is looking to add an experienced SQL Developer to their collaborative development team. You will be responsible for the development and maintenance of the company’s in-house systems, database integrity and optimising SQL statements. The successful developer will be a team player and looking to build on their skills and experience in a vibrant working environment.You will be involved in a variety of projects, developing and maintaining access data and systems to store. The role is a highly technical position and requires someone who can develop SQL databases and tools for a wide variety of applications and business uses. The role requires someone to work from the office.Required:
Strong SQL Server skills.
Complex queries & Stored Procedures knowledge
Storing, migrating and structuring data for multiple applications
Experience with .Net Core & OOP.
Version control using Git
Desirable:
HTML, JavaScript & CSS
PHP
The role will see you join an advanced development team where you will see the effect of your work within a fast-paced environment. The successful developer will join a variety of exciting projects full of innovation. Please send your CV for immediate consideration!Email your CV for consideration to Contact Please follow us on for similar roles
Integration Developer
Sanderson
Bristol
Hybrid
Mid
£55k - £65k
mongodb
graphql
nosql
sql
Sanderson are partnered with a leading professional service committed to supporting their local communities. As part of a exciting and rapidly evolving area of the business, they are looking for an Integration Developer to drive innovation and integration across their systems.
Responsibilities:
Design and develop scalable, efficient API features while ensuring best practices in security, architecture, and data governance.
Collaborate with technical and non-technical stakeholders to align development with business and technology strategies.
Participate in code reviews and continuously identify opportunities for enhancement and innovation.
Drive agile development by prioritising and refining the product backlog with key stakeholders.
Establish and maintain best practices, development workflows, and team standards.
Develop and maintain platform designs, process documentation, and solution overviews.
Skills & Experience:
Enterprise API Development - Experience building API Gateway solutions using REST or GraphQL.
Database Technologies - Strong experience with SQL, NoSQL, or MQL databases.
MongoDB Expertise - Familiarity with MongoDB for data storage, querying, and enterprise-level integrations.
ETL Tool Expereince - Experience working with ETL tools such as SnapLogic, Boomi, or MuleSoft.
This is a full-time, permanent role offering a competitive salary up to £65,000 (Depending on experience) and a flexible hybrid working model.
Apply now or email for more details.
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason***,*** please let us know when you apply or talk to the recruiters directly so we can support you.
Senior Software Engineers
The One Group
Bristol
In office
Senior
£50k - £65k
c++
csharp
java
ada
Location: Bristol
Salary: Up to £65,000 per annum + Bonus
Benefits: Job security, Great pension, Annual Pay Review, Enhanced Parental Leave, Training & Membership Fund, Courses & Training, Hobby Clubs and more
A market leading and global company within the aerospace and defence sector are looking for passionate software engineers with experience within electronic system software design. This is a fascinating chance to be involved with developing cutting-edge software for Real-Time, middleware, subsystem software solutions for use within on-board aerospace electronics and their control systems.
They are recruiting into many spaces including Real-Time, Command & Control, Mission Control, Human Machine Interface, OS & Software Security, Simulation & Experimentation and New Product.
This position is subject to security clearance and so all candidates must be British Citizens and have resided in the UK for the last 5 years. Previous or current SC and DV clearance is highly beneficial.
Duties & Experience:
Work with a multidisciplinary team to create extensible code for new development and to deliver software solutions
Promote quality code and engage in design and code reviews
Strong programming knowledge of C++ (and C#, Java or Ada)
Previous experience within product design and development with hopefully experience in one of the following: HMI, multithreaded, distributed systems, C2 or simulation & modelling
Configuration Control & CI/CD
Agile development
TD & Automated Testing
Software, Aerospace and Defence standards knowledge is desirable - e.g. DO178C, DefStan, MISRA
If you think you have the drive and passion needed to be successful, APPLY NOW!
For more information email , call us or visit our website at
The ONE Group - With offices in Northampton, Peterborough and Cambridge - our recruitment divisions include; Accountancy, Executive, HR, IT, Office, technical and Executive recruitment. The ONE Group are the largest independent recruitment businesses across, Northamptonshire and Cambridgeshire. IND2.This is recruitment as it should be.
Senior Embedded Software Engineer
Zenovo
Bristol
In office
Senior
Private salary
windows
processing-js
c++
c
python
Job Title: Senior Embedded Software Engineer
Location: Bristol (3 Days Working On-Site Per Week)
Salary: Up to £75,000 (Depending on Experience)
Please Note, No VISA Sponsorship can be offered for this position.
Vacancy Overview:
This position will see you working in a well-established organisation and team of 40+ engineers who are pioneering advanced technology solutions for highly regulated environments. Join an innovative team and help shape the future of our cutting-edge products.
You ll be working for a company at the forefront of engineering excellence, known for tackling complex challenges and integrating diverse technologies. The products/systems encompass control systems, dynamics, hydraulics, motors, generators, sensors, electronics, data science, signal processing, microcontrollers, and software.
Within the team you ll be tasked with the design and development high-performance embedded software and firmware for next generation products along with the maintenance and improvement of current ones.
Technical Skills & Experience Required:
Experience programming embedded systems in C or C++
Proficiency in C/C++ coding practices
Familiarity with scripting languages such as Python
Experience designing multi-threaded and/or multi-process embedded systems
Understanding of synchronization issues in embedded development
Basic knowledge of Microsoft Windows OS and Office applications
Familiarity with communication protocols like SPI, RS232, RS485, CAN, and asynchronous serial interfaces
Skills in debugging embedded hardware using oscilloscopes, logic analysers, and multimeters
Basic electronics design knowledge
To find out more, please apply with your latest CV.
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