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44 web developer jobs found

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6 Months or more web developer Greater London
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Contract Spy
May 01, 2026
6 Months or more
Salesforce Technical Architect at Handelsbanken Plc, London, 12 Months, £Competitive Day Rate
Contract Spy London, UK
Salesforce Technical Architect (12m Day Rate Contractor) { ʺdescription ʺ: ʺ Job Introduction Main Responsibilities The Technical Architect (Salesforce) is accountable for the end-to-end technical integrity of the Salesforce platform across Financial Services Cloud (FSC), OmniStudio, and Experience Cloud. Working closely with the other architects, the role sets and enforces the technical direction for delivery teams - governing solution design, development standards, platform security, and DevOps practices. The role serves as the primary technical authority within the delivery organisation: making high-consequence design decisions, resolving complex platform challenges, and ensuring that custom development and integrations are fit for purpose in a regulated banking environment. Equally, the Technical Architect is a people leader - mentoring developers, setting the standard for engineering craft, and building a culture of quality, accountability, and continuous improvement...
Contract Spy
Apr 30, 2026
6 Months or more
Senior Java Developer - Capabilities at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, 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 27, 2026
6 Months or more
Engineering Manager (Front-End) at Mindera, London Paddington, 6 Months, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...
Contract Spy
Apr 23, 2026
6 Months or more
Senior Java Developer - Capabilities at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, 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 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
May 01, 2026
6 Months or more
Technical Business Analyst at Codurance, London Area, 6 Months, £500-£600 per day
£500 - £600 per day
Contract Spy London Area, United Kingdom
Contract Technical Business Analyst - Mobile Development | 6 Months | £500-600/day   Are you an exceptional Senior Technical Business Analyst who embodies our values of pragmatism, professionalism, and transparency? We're seeking an individual who shares our commitment to excellence. This role is predominantly remote, though you may be required to travel to our London office once or twice over the course of the engagement.   As a Codurance Technical Business Analyst, you will be a pivotal link between clients, stakeholders and team members, ensuring successful delivery outcomes for all parties involved. This role is centred around a mobile application being developed for a large logistics organisation. You will be the sole BA embedded within a team of client engineers, working in parallel with Codurance colleagues on a broader engagement. It thrives on building trust and fostering collaborative environments, making it ideal for someone who can...
Contract Spy
Apr 29, 2026
6 Months or more
Project Manager - Payroll Migration at Deloitte, London, 6 Months, £Contract Rate
Contract Spy London, UK
Basic information Location London Business Line Enabling Functions Job Type Contract Date published 28-Apr-2026 Req # 23232 Job description Job Title: Payroll Migration Project Manager Location: London (Hybrid) Duration: 6 months Contract Start Date: ASAP IR35: Inside Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. Role Purpose As a Payroll Migration Project Manager, you will be instrumental in leading complex payroll system...
Contract Spy
Apr 29, 2026
6 Months or more
Engineering Manager at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington.   Your key accountabilities will include: • Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across projects. • Agile Delivery:...
Contract Spy
Apr 29, 2026
6 Months or more
Microsoft Migration Engineer - SC Cleared at Cabinet Office, London/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
Please note, 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 security clearance.)    This role may also involve some work in the evenings / weekends.    The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Microsoft Native Tooling Migration Engineer you will execute migrations of...
Contract Spy
Apr 28, 2026
6 Months or more
IT Operations Specialist at Cohere, London, 12 Months, £Contract Rate
Contract Spy London, UK
IT Operations Specialist (12 month contract) Who are we? Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents. We believe that our work is instrumental to the widespread adoption of AI. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. We like to work hard and move fast to do what’s best for our customers. Cohere is a team of researchers, engineers, designers, and more, who are passionate about their craft. Each person is one of the best in the world at what they do. We believe that a diverse range of perspectives is a requirement for building great products. Join us on our mission and shape the future! Note: this role is an onsite role for our...
Contract Spy
Apr 27, 2026
6 Months or more
Senior Data Engineer at UK Export Finance, London, 8 Months, £Contract Rate
Contract Spy London, UK
About the Role We are looking for a Senior Data Engineer with strong Informatica expertise to join our team. You will be responsible for designing, building, and supporting scalable data integration solutions, working closely with data architects, analysts, and business stakeholders to deliver reliable, performant data pipelines. This role sits within a finance reporting modernisation programme, supporting complex, regulated financial datasets used for monthly reporting. The work involves large, interdependent datasets and complex financial calculations, where accuracy, traceability, and clear documentation are critical. Experience working with finance or insurance data in regulated environments will be highly beneficial. We are looking for a Senior Data Engineer who has hands-on experience working in SME-scale teams where adaptability, autonomy and end-to-end ownership is essential - taking on multiple roles outside of the typical engineer workload and contributing...
Contract Spy
Apr 27, 2026
6 Months or more
Senior Security Architect at Department for Work & Pensions,UK Office, 12 Months, £Contract Rate
Contract Spy London, UK
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to:   Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while...
Contract Spy
Apr 24, 2026
6 Months or more
EUX/M365 Technical Lead – AI & Automation at Create Digital Solutions, London SW1E, 6 Months initial, £500 per day
£500 per day
Contract Spy London SW1E, UK
Job Title: EUX / M365 Technical Lead – AI & Automation Location: Victoria, London (SW1E) Work Type: Hybrid – minimum 3 days onsite Contract: Initial 6-month contract (likely extension) Day Rate: £500 per day IR35: Inside IR35 Role Purpose We are seeking an experienced EUX / M365 Technical Lead to join a large enterprise environment undergoing a modern workplace transformation. This role will focus on designing, delivering, and evolving the organisation’s End User Experience using the Microsoft ecosystem. You will provide deep technical leadership across Microsoft 365, Entra ID, Azure and modern endpoint management while also enabling AI-driven productivity improvements through Microsoft Copilot and automation technologies. Operating as a senior technical authority, you will help shape strategy, architecture and delivery for the modern workplace platform. The role requires a hands-on technical leader who can translate...
Contract Spy
Apr 23, 2026
6 Months or more
Data Test Engineer (Banking, Kafka, MongoDB, API, Migration) at Deloitte, London, to 12/26, £Contract Rate
Contract Spy London Area, United Kingdom
Data Test Engineer - (Banking, Kafka, MongoDB, API, Migration)   Rate: Competitive Inside IR35 Contract Start - Immediate Contract End - December 2026 Location: London (2/3 days Hybrid)   ** Must have experience within the Banking industry **   We are seeking a skilled Data Test Engineer to join our team responsible for validating the quality, reliability, and performance of Direct-to-Consumer (D2C) Reporting APIs delivered on the Operational Data Store (ODS) platform. This role is critical in ensuring robust and accurate data processing through comprehensive testing of Java-based APIs, event-driven streaming pipelines, and data persistence layers.   Key Responsibilities   Design, develop, and execute functional, integration, and non-functional tests for D2C Reporting APIs. Validate data accuracy and event flows within event-driven streaming pipelines using Kafka, Flink, and Kafka Streams....
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
Senior Loan IQ Analyst/Support Tech Lead at Fusion Practices Limited, London, 6 Months, £Contract Rate
Contract Spy London, UK
We at Fusion Practices are seeking an experienced Senior Loan IQ Analyst to support a large-scale, multi-year finance transformation programme. The role focuses on ensuring accurate, complete, and timely data flow from the Loan IQ platform into finance systems and downstream reporting solutions. This position will be managed by the Finance Technology function, with day-to-day collaboration within the Loan IQ team to enable hands-on system access and close alignment with business and technical stakeholders. Key Responsibilities 1. Requirements & Data Analysis Engage with stakeholders across Operations, Finance, Data, and Technology to gather and document data and interface requirements Perform detailed source system analysis within Loan IQ, including data structures, usage, and lineage Define source-to-target mappings for downstream systems such as sub-ledger/GL, data warehouse, and reporting platforms Develop and optimize SQL queries for data...
Contract Spy
Apr 21, 2026
6 Months or more
AI Engineer – Trading Analytics & Data Platforms at Deloitte, London, 6 Months, £Competitive Day Rate
Contract Spy London Area, United Kingdom
AI Engineer – Trading Analytics & Data Platforms London (Hybrid – 3 days/week onsite) 6 Month Contract Role (Inside IR35 – Competitive Day Rate About the Role   We are seeking an experienced AI Engineer with a strong data engineering foundation and a passion for solving real-world trading problems. You will work directly with traders and analysts, building AI-powered analytics and data solutions that deliver actionable insights from market pricing and fundamental data—often in near real-time.   This role sits at the intersection of AI, data engineering, and trading, with a focus on rapid prototyping, stakeholder collaboration, and production-grade delivery using modern Azure and Databricks ecosystems.   What You’ll Do Design and deliver AI-driven analytics for front-office use, including forecasting, seasonality, correlation, regression, and scenario modelling Build scalable, reusable...
Contract Spy
Apr 21, 2026
6 Months or more
Data Scientist at BP, London Canary Wharf, to 12/26, £Contract Rate
Contract Spy London, UK
Job Title: Data Scientist Job Location: Canary Wharf (Hybrid- 4 days in office, 1 from home) Contract Length: Until 31/12/2026 Industry: Oil and Energy, Tech Working Hours: 8 per day/40 per week   Role Overview: Design, develop, and maintain production-grade AI applications and services using modern software engineering practices (CI/CD, testing, observability, cloud-native design). Define and implement foundational platforms and tools (e.g., conversational bots, AI-powered search, unstructured data processing, GenBI) that are reusable and scalable across the enterprise. Participate in cross functional team initiatives-embedded projects with business stakeholders-to rapidly build and deploy AI solutions that solve high-priority business problems. Evaluate and integrate existing AI tools, frameworks, and APIs (e.g., LLMs, vector DBs, retrieval-augmented generation, AI agents) into robust applications....
Contract Spy
Apr 21, 2026
6 Months or more
UX & UI Designer at SilverRail, London, 6 Months, £Contract Rate
Contract Spy London, UK
UX & UI Designer (six month contract)   Who We Are and What We Do   At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we're here to help make it happen.   In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint.   We have more than 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,'...
Contract Spy
Apr 17, 2026
6 Months or more
EUX/M365 Technical Lead – AI & Automation at Create Digital Solutions, London SW1E, 6 Months initial, £500 per day
£500 per day
Contract Spy London, UK
EUX / M365 Technical Lead – AI & Automation Job Title: EUX / M365 Technical Lead – AI & Automation Location: Victoria, London (SW1E) Work Type: Hybrid – minimum 3 days onsite Contract: Initial 6-month contract (likely extension) Day Rate: £500 per day IR35: Inside IR35 Role Purpose We are seeking an experienced EUX / M365 Technical Lead to join a large enterprise environment undergoing a modern workplace transformation. This role will focus on designing, delivering, and evolving the organisation’s End User Experience using the Microsoft ecosystem. You will provide deep technical leadership across Microsoft 365, Entra ID, Azure and modern endpoint management while also enabling AI-driven productivity improvements through Microsoft Copilot and automation technologies. Operating as a senior technical authority, you will help shape strategy, architecture and delivery for the modern workplace platform. The role...
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