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60 senior developer jobs found

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United Kingdom 6 Months or more senior developer
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Contract Spy
Dec 03, 2025
6 Months or more
Senior Developer at Ministry of Justice, UK Office/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (United Kingdom)
An active 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 SC 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.   Electronic Monitoring Acquisitive Crime (EMAC) is a team...
Contract Spy
Dec 17, 2025
6 Months or more
Senior Angular Developer at AND Digital, England, 6 Months, £550-£600 per day
£550 - £600 per day
Contract Spy England, UK
Contract Java Developer We are looking for a Senior Angular Developer to join us on a 6 month contract, £550-600 per day.   Key Skills:   Proven development experience of working as a Lead Engineer in a commercial development team with an expert understanding of Angular, React, Typescript or similar technologies, and Java (back end), with wider experience in different tools and frameworks across the stack. Commercial experience working with agile methodologies. The ability to take clients wider business concerns into account when making technical decisions and dealing with the challenges from stakeholders that come with this. Experience of implementing architecture, DevOps, performance or security and an understanding and ownership of best practice as a Lead Engineer (eg. TDD, SOLID, XP) Comfortable mentoring junior engineers and supporting Squad Leads, with the attributes to provide technical guidance as the most senior engineer...
Contract Spy
Dec 01, 2025
6 Months or more
Junior PowerBI Developer at Imparta Ltd, London SW6, 6 Months, £Contract Rate
Contract Spy Fulham Rd., London SW6 5NR, UK
Imparta is a global leader in performance improvement for Sales, CX and Leadership. Imparta’s 25 years of research and experience with leading global organisations allows it to deliver: The skills to win: Imparta’s modern, research-based methodology equips sellers to make sense of each situation, choose the right response, and deliver results based on 180+ best practice skill modules. Embedded at scale: Imparta’s expert designers, consultants and trainers help you assess, develop, coach, and continuously improve sales capabilities at scale, globally, in local language. Powered by agentic AI: i-Coach® AI is an agentic solution that delivers proactive and personalised assessment, learning, coaching and task support for every user, integrated into your AI infrastructure. Together, these elements allow organisations to assess, develop, coach, practice, and continuously improve sales capabilities at global scale, while tracking results and adjusting...
Contract Spy
Dec 19, 2025
6 Months or more
React Full Stack Developer at Met Office, Remote/Exeter, 6 Months, £Contract Rate
Contract Spy Remote (Exeter, UK)
About the Role Join the Met Office as a React Full Stack Developer and help deliver critical upgrades to our digital platforms. You'll work on modern web applications, ensuring robustness, scalability, and security in a fast paced Agile environment.   As a  React Full Stack Developer your main responsibilities will be to: Operate and support the production services you build. Build and maintain large-scale React applications following best practices. Write clean, secure, test-driven code in TypeScript and JavaScript (ES6+). Deploy, manage and monitor AWS services (Lambda, EC2, S3, CloudWatch). Contribute to Agile ceremonies (sprint planning, stand-ups, retrospectives). Lead development work across multiple tasks and guide team members. Explain architecture and design decisions confidently to colleagues. Take responsibility for code and services in production, including incident management. Improve system robustness, resilience and...
Contract Spy
Dec 17, 2025
6 Months or more
Principal Full Stack Developer at AND Digital, London, 6 Months initial, £Contract Rate
Contract Spy London, UK
Contract Principal Full Stack role (Node, React, Azure) - initially 6 months. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world’s digital skills gap. The Tech Principal will use their expert tech...
Contract Spy
Dec 15, 2025
6 Months or more
Senior Software Engineer – Kubernetes Platform Team at Fidelity International, London Cannon Street, 6 Months, £Contract Rate
Contract Spy Greater London, England, United Kingdom
Senior Software Engineer – Kubernetes Platform Team Location: London (Cannon Street) Contract: 6 months Hours: Full Time   About the Role   We are recruiting on behalf of Fidelity International for a Senior Software Engineer to join our Kubernetes Platform Team . This is an exciting opportunity to work in a global organisation that prioritises innovation, resilience, and client-first technology solutions.   Responsibilities   Participate in all areas of platform development and operations. Identify challenges, research and propose solutions, and drive them through to production. Take ownership of epics, implement solutions iteratively, and guide technical direction for the platform. Collaborate with product owners, application developers, security, and data teams to refine product vision and maintain a clear backlog. Contribute to enterprise architecture reviews, ensuring engineering quality...
Contract Spy
Dec 12, 2025
6 Months or more
Java Developer at Handelsbanken, London, 6 Months, £Day Rate
Contract Spy London, England, United Kingdom
Job Introduction Main Responsibilities As a Java Developer (6M day rate contract) you will be joining the IT team responsible for the delivery, support and maintenance of Handelsbanken PLC’s Core Banking systems encompassing Platforming, Risk, Payments, Lending and Customer Data. As a Java Developer you will be providing expertise in the full software development life cycle. Key Responsibilities Use your initiative to work with Senior Java Development, UI/UX Development and Agile Transformation to help shape, architect and deliver greenfield/brownfield/integration applications employing best design and development practice Positively effective at systems analysis, solving technical problems and development excellence given the constraints of the Bank’s environment Follow cross-functional development best practice, including but not restricted to, Functional and Non-Functional Analysis, Application Architecture, Design, Coding and Unit Testing,...
Contract Spy
Dec 10, 2025
6 Months or more
Principal Full Stack Developer at AND Digital, London, 6 Months, £Contract Rate
Contract Spy London, UK
Contract Principal Full Stack role (Node, React, Azure) - initially 6 months. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world’s digital skills gap. The Tech Principal will use their expert tech...
Contract Spy
Dec 03, 2025
6 Months or more
Principal Full Stack Developer at AND Digital, London, 6 Months, £Contract Rate
Contract Spy London, UK
Contract Principal Full Stack role (Node, React, Azure) - initially 6 months. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world’s digital skills gap. The Tech Principal will use their expert tech...
Contract Spy
Nov 28, 2025
6 Months or more
Lead Java Developer - Fixed Income at Fentexa, London/Remote, 12 Months, £Good Day Rates
Contract Spy London Area, United Kingdom
Role Lead Java Developer Fixed Income Position Contract 12 months extendable Location London Hybrid Rates Good Day Rates   Job Description: We are seeking a talented Senior hands-on Java Developer to join our core Fixed Income team in a lead role. In this role you will help design, develop, and implement our applications to support front office and operations groups. You will work cross-functionally with various stakeholders, trading teams, and technology departments to ensure our applications are running at optimal performance. You will take a hands-on approach to understanding business workflows and the products we work with. You will help re-engineer and modernize our platform and drive our migration to a scalable microservice, cloud-based architecture.   Responsibilities: As a development lead, will be responsible to Build, design, Trading Channels, Messaging Channels interfacing with other venues an exchanges using industry...
Contract Spy
Dec 19, 2025
6 Months or more
Senior Cyber Threat Intelligence Analyst at GSMA, London, to end 2026, £Day Rate
Contract Spy London, UK
  Department: Technology Team: Security Location: London with hybrid ways of working Position type: Day Rate Contract, until end of 2026 (via Umbrella only)   What the hiring manager says   This is a role for someone who wants to make a real, global impact in telecom security from day one. Within GSMA’s T-ISAC, you’ll sit at the centre of international collaboration, helping our members stay ahead of constantly evolving cyber threats. We’re looking for a Senior Cyber Threat Intelligence Analyst who combines deep technical expertise with the ability to think strategically, share knowledge and elevate those around them. You’ll lead meaningful threat assessments, turn intelligence into clear, actionable recommendations and play a vital role in shaping and validating our T-ISAC improvement programme.   If you thrive on working with cutting-edge intelligence platforms, enjoy mentoring others and want to help...
Contract Spy
Dec 18, 2025
6 Months or more
Senior Automation Hardware Engineer at Wood, Staines, 12 Months, £Contract Rate (Outside IR35)
Contract Spy Staines, UK
Remarkable people, trusted by clients to design and advance the world. Wood is currently recruiting for a Senior Automation Hardware Engineer to support a high-profile client across projects within the UK. The Senior Automation Hardware Engineer will join our Systems Integration team within our Digital Consulting business. There is a requirement for hybrid working with three days in one of our Hub offices. As this position is mainly to support an Aberdeen based project the preference would be to be based out of our Aberdeen office. However, we will also consider applications from Glasgow, Stockton or Staines. This is for a 12 month contract on a ltd co basis out with IR35. Please note applicants must be able to pass HMG Baseline Personnel Security Standard (BPSS) check. #LI-Hybrid The Scope We are looking for a hands-on Senior Automation Hardware Engineer with expertise in Siemens PLCs and traditional relay-based control systems. This role involves...
Contract Spy
Dec 18, 2025
6 Months or more
Senior Automation Hardware Engineer at Wood, Glasgow, 12 Months, £Contract Rate (Outside IR35)
Contract Spy Glasgow, UK
Remarkable people, trusted by clients to design and advance the world. Wood is currently recruiting for a Senior Automation Hardware Engineer to support a high-profile client across projects within the UK. The Senior Automation Hardware Engineer will join our Systems Integration team within our Digital Consulting business. There is a requirement for hybrid working with three days in one of our Hub offices. As this position is mainly to support an Aberdeen based project the preference would be to be based out of our Aberdeen office. However, we will also consider applications from Glasgow, Stockton or Staines. This is for a 12 month contract on a ltd co basis out with IR35. Please note applicants must be able to pass HMG Baseline Personnel Security Standard (BPSS) check. #LI-Hybrid The Scope We are looking for a hands-on Senior Automation Hardware Engineer with expertise in Siemens PLCs and traditional relay-based control systems. This role involves...
Contract Spy
Dec 18, 2025
6 Months or more
Senior Automation Hardware Engineer at Wood, Aberdeen, 12 Months, £Contract Rate (Outside IR35)
Contract Spy Aberdeen, UK
Remarkable people, trusted by clients to design and advance the world. Wood is currently recruiting for a Senior Automation Hardware Engineer to support a high-profile client across projects within the UK. The Senior Automation Hardware Engineer will join our Systems Integration team within our Digital Consulting business. There is a requirement for hybrid working with three days in one of our Hub offices. As this position is mainly to support an Aberdeen based project the preference would be to be based out of our Aberdeen office. However, we will also consider applications from Glasgow, Stockton or Staines. This is for a 12 month contract on a ltd co basis out with IR35. Please note applicants must be able to pass HMG Baseline Personnel Security Standard (BPSS) check. #LI-Hybrid The Scope We are looking for a hands-on Senior Automation Hardware Engineer with expertise in Siemens PLCs and traditional relay-based control systems. This role involves...
Contract Spy
Dec 18, 2025
6 Months or more
D365 Product Owner at Investec, London, 6 Months, £Contract Rate
Contract Spy London, UK
Investec is a distinctive Specialist Bank serving clients principally in the UK and South Africa. Our culture gives us our edge: we work hard to find colleagues who'll think out of the ordinary and we put them in environments where they'll flourish. We combine a flat structure with a focus on internal mobility. If you can bring an entrepreneurial spirit and a desire to learn and collaborate to your work, this could be the boost your career deserves.   Contract D365 Product Owner 6 month sabbatical cover Inside IR35   Investec are looking for an experienced senior Dynamics 365 Product Owner to join the D365 Digital & Technology team on a 6 month contract basis, supporting Investec Bank as we undertake a once-in-a-generation transformation to move to a fully cloud native & SaaS technology stack, entirely built on Azure. As part of this transformation, we are heavily leveraging D365 as the backbone of our business processes....
Contract Spy
Dec 18, 2025
6 Months or more
Strategic Transformation Consultant at Novus - Strategy & Consulting, Leamington Spa/Remote, 6 Months, £500-£550 per day
£500 - £550 per day
Contract Spy Spencer St, Royal Leamington Spa, Leamington Spa CV31 3NF, UK
About Us: Novus is a boutique consulting firm specialising in digital transformation and strategy for the home-buying industry. Our expertise includes supporting companies in leveraging digital technology, challenging the status quo, and building high-performing businesses. Our clients are at the forefront of innovation, utilising your expertise to influence major developments within the UK Home Buying Journey. You will be working on an exciting product, alongside highly skilled engineers to build and deliver an industry-groundbreaking platform. Job Summary We are seeking a Consultant to support strategic transformation programmes across the UK home-buying and mortgage ecosystem, with a specific focus on journey redesign, ecosystem alignment, data-driven innovation, and Horizontal Digital Integration (HDI). This role combines deep analytical capability with strong consulting craft, allowing you to turn complexity and ambiguity into clear strategy, compelling...
Contract Spy
Dec 17, 2025
6 Months or more
Service Reporting Analyst at Ministry of Justice, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
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.   The Ministry of Justice needs to be able to facilitate the operation of a diverse range of technology effectively across a diverse set of business areas and report against them. You will be a key member of the strategy, governance and design capability, supporting and contributing to its continuous improvement.   The Reporting Analyst is responsible for ensuring that all governance, operational, and ad-hoc reporting requirements are delivered to the highest...
Contract Spy
Dec 17, 2025
6 Months or more
Test Lead at Mindera, London Paddington, 6 Months, £Contract Rate (Outside IR35)
Contract Spy London, UK
We are looking for a Test Lead/ Manager to join our crew! You’ll play a key role in driving our ambition to build a best-in-class engineering culture—where quality, collaboration, and continuous improvement sit at the heart of everything we do. We’re looking for an experienced Test Manager to join our client's Loyalty team and help deliver seamless, high-quality digital experiences to millions of customers. You’ll lead the testing strategy and ensure the reliability of systems that integrate personalized offers and mission-based rewards into our customer journey. Working closely with developers, data scientists, and the core loyalty platform team, you’ll help create a modern digital ecosystem powered by data and built with cutting-edge technology.   This is an initial 6 month contract (outside IR35). You will be required on client site 3 days a week in Paddington, London.   What You’ll Do: Test Leadership...
Contract Spy
Dec 16, 2025
6 Months or more
Pega Lead System Architect at BAPON Technologies, Edinburgh, 6 Months, £600 per day (Outside IR35)
£600 per day
Contract Spy Edinburgh, Scotland, United Kingdom
Location: Edinburgh (Hybrid – 2–3 days onsite) Type: Contract   About the Role We’re looking for a Pega Lead System Architect (LSA) with strong insurance industry experience, hands-on expertise in Pega AI (including Knowledge Buddy and Blueprint), and proven cloud delivery skills . You’ll lead solution design, guide delivery teams, and ensure Pega applications meet business and technical needs.   Key Responsibilities Lead the architecture and delivery of Pega applications across insurance functions (claims, underwriting, policy servicing, customer service). Translate insurance business processes into scalable, maintainable Pega solutions. Apply Pega AI capabilities such as Knowledge Buddy and Blueprint to accelerate design and knowledge-driven automation. Define and oversee cloud-based deployments (Pega Cloud, AWS, Azure, or GCP). Mentor developers and architects, review designs, and ensure...
Contract Spy
Dec 16, 2025
6 Months or more
Senior Data Architect at Department for Transport, London, 6 Months, £Contract Rate
Contract Spy London, UK
Network Rail/DFTO is at the heart of revitalising Britain's railway. From Crossrail - Europe's largest civil engineering project - to investment in world-class stations and major programmes of electrification, we are involved in some of the most ambitious and diverse ventures that this country has ever seen. We at Network Rail are dedicated to becoming one of Britain 's best employers and believe this starts with placing the candidate at the heart of everything we do!   As a  Senior Data Architect , your main responsibilities will be: Develop and implement data architecture strategies aligned with rail business objectives and technology roadmaps. Design and maintain data models, architecture blueprints, and standards for rail operations, asset management, and customer experience. Oversee the implementation of data warehouses, lakes, and cloud-based platforms (e.g., Snowflake, AWS, Azure) tailored to rail data needs. Architect integration solutions,...
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