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15 senior developer jobs found

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up to 6 Months senior developer Greater London
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£300 - £400  (2)
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Contract Spy
Dec 12, 2025
up to 6 Months
Software Engineer, Device Integrations at Automata, London, 4 Months+, £Contract Rate
Contract Spy London, England, United Kingdom
Staff Software Engineer – Robotics & Life Sciences Automation Location: London, UK - Hybrid (3 days/week on site) Contract: 4 months with possibility of extension Start: ASAP (Dec 2025 / Jan 2026) Automata: accelerating breakthroughs that save lives Automata builds automation that accelerates life sciences: enabling faster drug discovery, next-generation personalised medicines, and high-precision diagnostics where turnaround time can mean the difference between life and death. We believe the future of biology depends on automation that is reliable, scalable and accessible — and we’re building the platform that makes that possible. Our modular lab bench and digital automation platform already run mission-critical workflows in leading research organisations. The next evolution of our product will scale globally, unify robotics with reproducible software interfaces, and redefine how scientists interact with instruments. And we’re building...
Contract Spy
Dec 19, 2025
up to 6 Months
Senior Delivery Lead at Red Badger, London, 3-6 Months, £Contract Rate
Contract Spy London, UK
Love empowering and enabling agile teams? Love delivering great digital products? We're looking for an inspiring Senior Delivery Lead to join the ranks of our fast growing & passionate team. We have a wide diversity of clients with some very innovative and challenging projects; we need a tenacious Senior Delivery Lead who can coach clients, resolve complex problems and enable highly skilled, cross-functional teams. All of our projects are Lean/Agile with integrated teams of creative and technical specialists. You'll be working alongside big name clients in a range of sectors including retail, financial services and media and publishing. You'll also be supported by a Director who will oversee a portfolio of projects and Principal Consultants on our larger engagements, but in all cases you will be empowered to represent and lead an enthusiastic, creative and hardworking delivery team who do great work and are keen to socialise and share knowledge with their peers....
Contract Spy
Dec 19, 2025
up to 6 Months
Solution Architect - Domain Payments at North Highland, London, 3-6 Months, £Contract Rate
Contract Spy London, UK
MAKE STRATEGY A REALITY | ACCELERATE YOUR GROWTH | CHOOSE YOUR PATH As the world's leading change and transformation consultancy, we're helping businesses move from strategy to reality by taking a pragmatic and practical approach to build solutions that last. We're seeking a Domain Solution Architect to help us take vision to value and create lasting impact for our international retail banking client. Please note, this is an initial 3-6 month inside IR35 PAYE Umbrella contract that will require onsite working in London 2 days per week. Summary As a Domain Payments Solution Architect, you will be responsible for collaborating with stakeholders to understand and articulate their needs, assessing the scope of change and impact to technology, operations, and supporting functions. You will liaise between the various business units, technology teams, delivery, and support teams to arrive at optimal solutions. Your expertise in the corporate banking domain, including...
Contract Spy
Dec 17, 2025
up to 6 Months
Project Manager at Ministry of Justice, London/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
  On behalf of The Ministry of Justice, we are looking for a Project Manager  (Inside IR35 ) for a 3 Month contract which is a hybrid role so does require occasional visits to the London office as required   The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   Looking for a Project manager with significant experience in communications. We have a project where the stakeholder landscape is complex and powerful, so we are looking to develop a strategy and project processes to manage the situation....
Contract Spy
Dec 15, 2025
up to 6 Months
Senior Systems Integration Test Analyst at Ten10, London/Remote, 3 Months initial, £375 per day
£375 per day
Contract Spy Hybrid (London, UK)
Senior Systems Integration Test Analyst Rate: £375pd (Inside IR35) Duration: 3 months initially Location: London (Hybrid, 3 days per week onsite)   Are you a highly experienced Senior Systems Integration Test Analyst with a proven track record in end-to-end technical systems validation? At Ten10, we’re a leading consultancy in Quality Engineering, Software Testing, and DevOps, and we’re looking for someone like you to join us on an interim basis for a challenging and impactful project.   The Role: Specialist in Back-End Systems Integration You will play a crucial role in ensuring that our client’s integrated back-end systems meet the highest standards of quality. This role is highly focused on the technical depth of systems integration and requires a proactive, inquisitive approach to testing in a dynamic environment.   We need a candidate who is naturally inquisitive, is comfortable asking...
Contract Spy
Dec 15, 2025
up to 6 Months
Senior Test Analyst at Valcon Group UK, London, 3 Months, £325 per day
£325 per day
Contract Spy London x3, UK
Role Overview We are seeking a highly experienced Senior Test Analyst to join our team. The successful candidate will play a key role in analysing requirements, creating high-quality test artefacts, executing tests, identifying defects, and supporting the delivery of robust software solutions. The role requires strong collaboration with developers, test managers, and cross-functional teams to ensure the accuracy, reliability, and testability of new features. Key Accountabilities Analyse user stories, acceptance criteria, and definitions of done to produce clear and accurate test scripts. Maintain high standards of quality and precision across all test artefacts for each release cycle. Prepare detailed test scripts to demonstrate business scenarios and expected outcomes. Log defects accurately with supporting evidence and manage them through to resolution. Ensure all testing activities adhere to agreed schedules and quality...
Contract Spy
Dec 12, 2025
up to 6 Months
Senior Optimisation Lead at VML Enterprise Solutions, London/Remote, 3 Months, £Contract Rate
Contract Spy Remote (London, UK)
Senior Optimisation Lead required to join our Customer Insight & Activation team on a contract basis Contract - Remote The opportunity: Optimisation Lead/Manager required to join our first-class Commerce organisation and to work alongside a wide range of international clients. This is hands on role working directly with clients on their CRO and experimental campaigns. What you'll be doing: Account & Project Lead for Conversion Rate Optimisation (CRO) activity: Day to day lead across all CRO/experimentation activity, covering multiple clients Understand the client's business and challenges in order to identify suitable solutions, with a particular focus on CRO (working collaboratively with CX and data insight teams) Manage resourcing and timelines, ensuring delivery of key milestones against schedule and budget Commercially minded, able to create and manage budgets and monitor costs and ROI Contribute to forecasting, month-end...
Contract Spy
Dec 10, 2025
up to 6 Months
Senior Project Manager at Homes England, Remote/London, 3 Months, £Contract Rate
Contract Spy Remote (London, UK)
Homes England, the government's housing and regeneration agency, plays a central role in tackling the housing challenges the country now faces. We have the appetite, influence, expertise, and resource to drive positive market change, and our mission is to ensure more homes are built in areas of greatest need, improve affordability and create a sustainable housing market.   Following the publication of the government's Levelling Up White Paper, Homes England has also been tasked with a core role in spearheading regeneration, partnering with places to reduce economic disparity, empower local leaders and create equal opportunities across the country to ensure communities reach their full potential.   As a Senior Project Manager , your main responsibilities will be to: Create and lead the project to deliver the agreed outcomes within time, cost, and quality constraints Day-to-day management and leadership of the project and the project team. Providing...
Contract Spy
Dec 09, 2025
up to 6 Months
Senior Product Designer (Fluent French) at Red Badger, London, 10 Weeks, £Contract Rate (Outside IR35)
Contract Spy London, UK
Must speak fluent French Must be available to visit client site in Ivory Coast for 1 week (12th > 16th January ((fully expensed - alongside the Red Badger Team)). Client is a Development Bank 10 week contract   Start date Monday 12th January Discovery / Review website and intranet project - As is > To Be development piece with a roadmap to implementation deliverable Joining a cross functional team of 5 (Engineer / Delivery / Product / UX / Product Design) Immediate interviews Ltd company outside IR35 or Umbrella contract. £Competitive day rate 2 days / week in person working (Old Street / Moorgate)     About Red Badger     Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in...
Contract Spy
Dec 09, 2025
up to 6 Months
Full Stack Engineer - SC Cleared at Ministry of Justice, Remote, 3 Months, £Contract Rate
Contract Spy Remote (London, UK)
SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.   The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   As a  Full Stack Engineer , your main responsibilities will be:...
Contract Spy
Dec 08, 2025
up to 6 Months
Oracle Fusion Cloud HCM Technical Consultant at Ministry of Defence, London/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
The Ministry of Defence (MOD) is a central government department with a mission to protect our country and provide the ultimate guarantee of its security and independence, as well as helping to protect its values and interests abroad.   The MOD is one of the biggest public procurement organisations in Europe and the single largest customer for UK industry. It currently manages approximately £20 billion of spend on capital investments in equipment and infrastructure every year. Over the next decade the MOD is committed to spending over £190 billion on equipment and support. The MOD's customers include both the armed forces and national security agencies, and it has a diverse range of requirements, including military fighting vehicles, education services, nuclear submarines and facilities management.   The MOD's aim is to provide its armed forces with the best capabilities to enable them to protect the UK's security and advance national interests,...
Contract Spy
Dec 04, 2025
up to 6 Months
Senior Identity and Access Management Engineer at Zero Plus Ltd, London Strand/Remote, 3 Months initial, £Contract Rate
Contract Spy London Area, United Kingdom
Job Title: Senior Identity and Access Management (IDAM) Engineer Location: Strand, London (Hybrid) Contract: 3 month initial contract, Full time   About Us Zero Plus Ltd is a trusted technology services partner to the UK Government and corporate sectors. We deliver secure, reliable, and scalable solutions to multiple UK public sector organisations.   Supporting more than 20,000 end users, our mission is to enable secure cloud and end user services guided by our Zero Trust Security Model. Our teams specialise in Identity Verification, Managed Endpoints, Threat Detection, Secure Remote Access, and Adaptive Security Policies, balancing exceptional user experience with enterprise grade security.   We operate under an ISO/IEC 27001 certified ISMS and an ITIL aligned service management framework, ensuring integrity, resilience, and operational excellence.   Joining Zero Plus means being part of a growing, people first...
Contract Spy
Dec 03, 2025
up to 6 Months
Data Assurance Analyst at Ministry of Defence, London, 5 Months, £Contract Rate
Contract Spy London, UK
The Ministry of Defence (MOD) is a central government department with a mission to protect our country and provide the ultimate guarantee of its security and independence, as well as helping to protect its values and interests abroad.   The MOD is one of the biggest public procurement organisations in Europe and the single largest customer for UK industry. It currently manages approximately £20 billion of spend on capital investments in equipment and infrastructure every year. Over the next decade the MOD is committed to spending over £190 billion on equipment and support. The MOD's customers include both the armed forces and national security agencies, and it has a diverse range of requirements, including military fighting vehicles, education services, nuclear submarines and facilities management.   The MOD's aim is to provide its armed forces with the best capabilities to enable them to protect the UK's security and advance national interests,...
Contract Spy
Dec 01, 2025
up to 6 Months
Senior Test Engineer at The Insolvency Service, London/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
The Senior Test Engineer will be a pivotal member of our agile delivery teams, working across multiple projects within a major re-platforming programme that's improving several public-facing services. This includes building out a canonical data model and a set of reusable components to underpin our services. You will lead the testing strategy and approach, introduce or enhance automated testing frameworks, and ensure that our services meet the high standards expected under the GOV.UK Service Standard.   As a Senior Test Engineer your main responsibilities will be to:   Define and own the test strategy and quality assurance approach across multiple digital services. Champion test automation, continuous integration, and continuous delivery (CI/CD) within agile teams. Embed a quality-first culture - ensuring testing is integral to delivery, not an afterthought. Mentor and support test engineers, sharing best practice and building testing capability...
Contract Spy
Dec 01, 2025
up to 6 Months
Senior User Researcher at The Insolvency Service, London/Remote, 3 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
We are looking for an experienced User Researcher to join our multidisciplinary digital delivery team. You'll play a key role in our re-platforming programme, ensuring our public-facing digital services are designed around genuine user needs. You'll plan and carry out high-quality user research to generate actionable insights that shape both the front-end experience and back-end design.   As a Senior User Researcher your main responsibilities will be to:   Plan, design, and conduct user research using a range of qualitative and quantitative methods in line with GDS standards. Communicate user insights effectively to designers, developers, product and policy colleagues to inform decision-making. Contribute to and support usability testing, prototyping, and iterative design. Work closely with interaction designers, content designers, product managers, and developers in agile, cross-functional teams. Present research findings clearly and...
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