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13 back end developer jobs found

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United Kingdom 6 Months or more back end developer
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Contract Spy
Apr 07, 2026
6 Months or more
Lead .NET Developer at Crown Prosecution Service, Remote/London, 6 Months, £Contract Rate
Contract Spy Remote (London, UK)
The CPS prosecutes criminal cases that have been investigated by the police and other investigative organisations in England and Wales. The CPS is independent, and they make their decisions independently of the police and government.   The primary focus of this role is about building capability and foundations, not delivering features.   We're looking for a highly experienced backend .NET developer who wants to use their expertise to support shaping software development in CPS and to grow our first cohort of in house back-end developers.   What the role is really about   There are two core priorities:   1.Mentoring and developing four backend apprentice developers. 2.Reviewing standard in place across teams to refine and document CPS software development standards.   At the moment, CPS relies almost entirely on suppliers for software development. We have very limited permanent, hands-on coding capability in...
Contract Spy
Apr 23, 2026
6 Months or more
Salesforce Technical Architect at Handelsbanken, London, 12 Months, £Day Rate
Contract Spy London, England, United Kingdom
Job Introduction Main Responsibilities As the Salesforce Architect this role will work closely with the Salesforce Lead Architect to help set the strategic direction and be accountable and lead the design, development and day to day operations of the CRM platform(Salesforce and Other customer platforms) by partnering with senior stakeholders across the business identifying opportunities to deliver business and customer value through the extension of CRM services. Responsible for the end-to-end design of solutions on the Salesforce platform and other CRM technologies. Own the architecture of the end-to-end solution. Lead and mentor the development team in designing solutions for our strategic programmes. Completion of solution architecture documents and artefacts in line with organisation standards. Enforce best practices, development standards and ensure quality delivery of enterprise solutions. Help in driving the application of DevOps tools and...
Contract Spy
Apr 22, 2026
6 Months or more
Infrastructure Engineer at SiXworks, South West, 6 Months, £Contractor Rate
Contract Spy South West, England, United Kingdom
About the job We currently have an exciting opportunity for an Infrastructure Engineer to join our existing experienced team.   The Mission: You will build the Foundational Layer of a secure, high-assurance private cloud designed with SiXworks' private cloud principles and patterns. This role is responsible for the physical and logical installation and bring-up of the infrastructure that powers a new cloud environment.   This assignment includes a 6 month build phase, followed by 2 months of data migration working with Windows Server Administration.   What do we look for in an Infrastructure Engineer?   Key Responsibilities: Fabric Underlay: Configure and harden Cisco Nexus Leaf/Spine architectures to support high-throughput, low-latency traffic. Enterprise Storage: Initialize and present NetApp storage arrays, ensuring data-at-rest encryption is strictly enforced. Infrastructure Virtualisation: Build...
Contract Spy
Apr 17, 2026
6 Months or more
Senior UX/UI Designer at Inspired Thinking Group (ITG), England, 6 Months, £Contract Rate
Contract Spy England, UK
Senior UX/UI Designer (Embedded - JLR, 6-Month Contract) Client-side operator, immediate impact Role Summary A UX/UI designer embedded within Jaguar Land Rover's internal UX team, responsible for delivering high-quality digital experiences across key platforms and supporting ongoing optimisation and delivery initiatives.   Key Responsibilities Work directly within JLR's UX and product teams on live digital products and customer journeys Design user flows, wireframes, and high-fidelity UI across web and logged-in experiences Translate requirements into clear, production-ready design outputs Align all work to JLR design systems, accessibility standards, and brand guidelines Collaborate closely with developers to ensure accurate implementation Support rapid iteration cycles across active projects Contribute to usability improvements and optimisation initiatives   Required Experience 5+ years UX/UI experience in...
Contract Spy
Apr 16, 2026
6 Months or more
Senior Java Developer - Capabilities at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy London, UK
We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team; playing an integral part in helping them continuously improve by sharing your own knowledge, experience and insights. You will be confident in challenging business requirements to ensure you are continuously delivering the best possible outcome, harnessing innovation and driving the adoption of new technologies to deliver business value. Your vision and ambition will contribute to shaping our online technology roadmap, influencing our future technical direction and balancing passion with precision to deliver exceptional online service and solutions for our customers.   This is an initial six month contract that sits...
Contract Spy
Apr 14, 2026
6 Months or more
SW Validation Engineer at Stackstudio Digital Ltd., Warwick, 6 Months, £Contract Rate
Contract Spy Warwick, UK
Role/Job Title: SW Validation Engineer Work Location: Gaydon, UK Mode of Working: Onsite Duration of Assignment: 06 Months Any Other Working Conditions (travel/on call/shifts): Yes some times Shift/overtime The Role This is a rapidly growing area in which our in-house software is critical in enabling a world class charging experience for our customers. Our teams plan, design, integrate and validate the charging system software to ensure we deliver our charging systems on time and to quality. In this role you will be working in an Agile environment to lead our in-house software verification using the latest hardware in the loop and test automation capability. You will be part of a team that is engineering visionary charging products. Your Responsibilities (Up to 10, Avoid repetition) Lead a diverse team to validate in-house SW for our charging/discharging products Develop and execute test plans associated with our...
Contract Spy
Apr 14, 2026
6 Months or more
QA Test Coordinator – Business (Functional & UAT) - Charles River at Resillion, London, 9 Months, £Contract Rate
Contract Spy London, UK
Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...
Contract Spy
Apr 14, 2026
6 Months or more
QA Test Coordinator – Business (Functional & UAT) - Aladdin at Resillion, London, 9 Months, £Contract Rate
Contract Spy London, UK
Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...
Contract Spy
Apr 14, 2026
6 Months or more
QA Test Coordinator (Unit, CIT, Systems and SIT) - Charles River at Resillion, London, 9 Months, £Contract Rate
Contract Spy London, UK
Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...
Contract Spy
Apr 14, 2026
6 Months or more
QA Test Coordinator (Unit, CIT, Systems and SIT) - Aladdin at Resillion, London, 9 Months, £Contract Rate
Contract Spy London, UK
Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...
Contract Spy
Apr 09, 2026
6 Months or more
Business Resilience Lead at National Savings & Investments, UK Office/Remote, 9 Months, £Contract Rate
Contract Spy Hybrid (UK)
NS&I is one of the largest savings organisations in the UK with more than 24 million customers and over £218 billion invested. We are both a government department and an Executive Agency of the Chancellor of the Exchequer. Our origins can be traced back more than 150 years to 1861.   A small company with a big reach. We care for colleagues, respect one another, invest in our people and manage talent effectively.   This role is subject to Baseline Personnel Security Standard and financial credit checks.   As a Business Resilience Lead , your main responsibilities will be to:   Lead a comprehensive current-state assessment of NS&I's business continuity and supply chain resilience capability Assess NS&I's ability to manage and assure a multi-supplier ecosystem Identify capability gaps across governance, roles, processes, technology and assurance mechanisms Identify missing or underdeveloped functions (eg....
Contract Spy
Apr 07, 2026
6 Months or more
SW Validation Engineer at Stackstudio Digital Ltd., Warwick, 6 Months, £Contract Rate
Contract Spy Warwick, UK
Role/Job Title: SW Validation Engineer Work Location: Gaydon, UK Mode of Working: Onsite Duration of Assignment: 06 Months Any Other Working Conditions (travel/on call/shifts): Yes some times Shift/overtime The Role This is a rapidly growing area in which our in-house software is critical in enabling a world class charging experience for our customers. Our teams plan, design, integrate and validate the charging system software to ensure we deliver our charging systems on time and to quality. In this role you will be working in an Agile environment to lead our in-house software verification using the latest hardware in the loop and test automation capability. You will be part of a team that is engineering visionary charging products. Your Responsibilities (Up to 10, Avoid repetition) Lead a diverse team to validate in-house SW for our charging/discharging products Develop and execute test plans associated with our...
Contract Spy
Apr 07, 2026
6 Months or more
QA Test Coordinator (Unit, CIT, Systems and SIT) - Aladdin or Charles River at Resillion, London, 9 Months, £Contract Rate
Contract Spy London, UK
Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...
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