23 of 23 Contract Full Stack Engineer Jobs in London

Full Stack Engineer (Gen AI Focus) Hybrid working - London | Start ASAP | Contract Inside IR35 Our client is seeking to hire a Senior Full Stack Engineer to join their Automation Team, focusing on Gen AI solution building and automation. This is a senior, hands-on role where you'll More ❯

Full Stack Engineer (AI/ML, Python, Agentic) - Global Tech Company - London Day rate: £500 - £700 (inside IR35) Duration: 12 months Hybrid: 3 days per week Start: ASAP My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. Hybrid working More ❯

Full Stack Software Engineer GraphQL | TypeScript | Cloud-Native Based West London, Hybrid working, 1-2 days week on site. Outside IR35. 6 months initial, likely extensions. Were looking for a Full Stack Software Engineer who loves building high-quality, scalable systems and isn't afraid to get deep More ❯

Senior Full Stack & AI Automation Engineer - London Rate: £500 - £530 per day Duration: 1 year contract 3 days onsite per week in London office (Battersea) As a key member of the Automation Team, you'll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI …/ML techniques such as RAG, vector databases, and multi-agent systems. You'll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry. What You'll Work On Designing and developing automation solutions aligned with Apple's product requirements. Building More ❯

Senior Full Stack & AI Automation Engineer - London Rate: £500 - £530 per day Duration: 1 year contract 3 days onsite per week in London office (Battersea) As a key member of the Automation Team, you'll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI …/ML techniques such as RAG, vector databases, and multi-agent systems. You'll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry. What You'll Work On Designing and developing automation solutions aligned with Apple's product requirements. Building More ❯

international law firm that's on a mission to redefine how legal and professional services are delivered-through human-centred technology. They're looking for a pragmatic Software Engineer who thrives in cross-functional teams, loves solving real-world problems, and enjoys delivering impactful solutions at pace. If you're product- and user-focused, collaborative, curious, and delivery More ❯

AI/LLM - Python React Engineer - Contract Opportunity London Hybrid based - 70% Python - 30% React Job Description We are seeking a highly skilled Python Fullstack Engineer with extensive experience in both front-end and back-end development. This role is very interesting as you will also be working with LLM's and AI/ML. Knowledge More ❯

Mid-Level Fullstack Engineer (Python/TypeScript/React) Fully Remote 6 months contract - Outside IR35 Up to £350 P/D The Role We’re looking for a mid-level Fullstack Engineer to join our product engineering team. You’ll work across the stack, from designing intuitive frontends with React TypeScript to building … modern dev workflows A collaborative mindset and willingness to learn new tools/technologies There is a possibility this could be a long-term contract. Mid-Level Fullstack Engineer (Python/TypeScript/React) Fully Remote 6 months contract - Outside IR35 Up to £350 P/D More ❯

Mid-Level Fullstack Engineer (Python/TypeScript/React) Fully Remote 6 months contract - Outside IR35 Up to £255 P/D The Role We’re looking for a mid-level Fullstack Engineer to join our product engineering team. You’ll work across the stack, from designing intuitive frontends with React TypeScript to building … modern dev workflows A collaborative mindset and willingness to learn new tools/technologies There is a possibility this could be a long-term contract. Mid-Level Fullstack Engineer (Python/TypeScript/React) Fully Remote 6 months contract - Outside IR35 Up to £255 P/D More ❯

Full Stack Engineer - Contract Opportunity (3 Month) We're working with a fast-scaling product-led business who are seeking a Full Stack Engineer to support the delivery of both customer-facing applications and internal tooling. This role is ideal for someone who thrives in modern engineering environments … and enjoys working across the full technology stack. The successful candidate will play a key role in designing, developing, and deploying scalable software solutions. With strong experience across React , Next.js , and Node.js , as well as exposure to languages like Python , Ruby , Scala , and Rust , this engineer will bring versatility, technical depth, and a collaborative mindset to … in a cross-functional squad, working closely with product managers, designers, and DevOps to deliver high-quality, user-centric features. Key Responsibilities Deliver high-quality software across the full stack, from front-end UI to back-end APIs Build and maintain performant applications using React, Next.js, and Node.js Contribute to architectural discussions and technical design decisions More ❯

Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying … scalable, modern, web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that … support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying … scalable, modern, web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that … support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying … scalable, modern, web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that … support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Job Title: Go Lang Developer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern … web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design … key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Job Title: Go Lang Developer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern … web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design … key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Job Title: Go Lang Developer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern … web applications. You deliver full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design … key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory More ❯

Full Stack Developer | 3 Roles Available | 3 Month Initial Contract | Up to £550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required MERITUS are working with a well-established financial services company in London who are looking for 3 experienced Full Stack Developers to join them … in London & are hybrid with 2 days per week in the London office. Candidates are required to hold an active SC Clearance. Skills Required: Strong background as a Full Stack Developer on commercial projects. Hands-on experience with Angular. Proven expertise with C#/.NET Core. Practical knowledge of Azure services and cloud-based architectures. Good … as Code. Familiarity with CI/CD and agile ways of working. Got your attention? If you believe that you have the skills and experience for the Principle Engineer role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any More ❯

Full Stack Developer | 3 Roles Available | 3 Month Initial Contract | Up to £550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required MERITUS are working with a well-established financial services company in London who are looking for 3 experienced Full Stack Developers to join them … in London & are hybrid with 2 days per week in the London office. Candidates are required to hold an active SC Clearance. Skills Required: Strong background as a Full Stack Developer on commercial projects. Hands-on experience with Angular. Proven expertise with C#/.NET Core. Practical knowledge of Azure services and cloud-based architectures. Good … as Code. Familiarity with CI/CD and agile ways of working. Got your attention? If you believe that you have the skills and experience for the Principle Engineer role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any More ❯

Remote (occasional trips to London office) Contract: 6-months (OIR35) Rate: £400-450 p/day Start date: Asap Key Responsibilities: Design, build, and maintain scalable microservices and full-stack applications. Engineer and manage cloud infrastructure (Azure as primary, AWS/GCP as secondary). Identify and implement cloud cost efficiencies while maintaining performance. … regulatory standards in sensitive industries. Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker, Terraform More ❯

Software Engineer City of London Hybrid (3/2 split) Contract £900 - £1000 per day (Via Umbrella) cer Financial are working alongside an international bank, who are based in the City of London. They are seeking a Software Engineer to work with them on a contract. The responsibilities of the Software Engineer will include … Hands-on Full Stack development using React as front end and Java 21 as the primary language for back end Work with other teams including Front office risk teams, trading desk, Quants, and DevOps to build state of the art front to back pricing and risk solutions, Focus on non-functional requirements from the start increasing … improvement of the development and release environment, tooling, and processes. Work closely with the operation team and users and provide level 3 support as required. The successful Software Engineer will have: Strong fundamental Computer Science knowledge including Concurrency; Algorithms and data structures Scrum/agile methodology (Product owner and/or Scrum master), or ability to deliver software More ❯

Role: Senior Cloud Data Engineer Location: London, 3 days per week on site required Duration: 6-month contract Rate: Via umbrella About the Client Join a global leader in financial technology and payments innovation , powering millions of transactions every day across the world. This organisation is at the forefront of digital transformation in payments, driving innovation and building … of commerce. Their culture is collaborative, forward-thinking, and dynamic, offering an environment where talented individuals can make a real impact. The Opportunity As a Senior Cloud Data Engineer , you will be joining the Data Platform Team , a core function that underpins mission-critical infrastructure for the business. You'll play a key role in designing and developing … language) and shell scripting. Background in high-volume, distributed processing systems. Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a More ❯

Role: Senior Cloud Data Engineer Location: London, 3 days per week on site required Duration: 6-month contract Rate: Via umbrella About the Client Join a global leader in financial technology and payments innovation , powering millions of transactions every day across the world. This organisation is at the forefront of digital transformation in payments, driving innovation and building … of commerce. Their culture is collaborative, forward-thinking, and dynamic, offering an environment where talented individuals can make a real impact. The Opportunity As a Senior Cloud Data Engineer , you will be joining the Data Platform Team , a core function that underpins mission-critical infrastructure for the business. You'll play a key role in designing and developing … language) and shell scripting. Background in high-volume, distributed processing systems. Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a More ❯

Senior Python Software Engineer Contract - Outside IR35 Day Rate: Up to £725 (DOE) Immediate Start Location: UK Remote Opportunity: Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape the … next stage of our platform. While you’ll have the chance to work across the stack, backend problem-solving and scalability will be central to this role. Your Experience: 5+ years professional experience with Python (or a comparable language) Solid understanding of modern web application design Hands-on experience with JavaScript/TypeScript and NoSQL databases Knowledge of … and user outcomes Enthusiasm for learning, experimenting, and continuous improvement The Role: Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle — planning, building, deploying, and running systems Take ownership with a “you build it, you run it” mindset, from commit to production Collaborate directly with end-users and More ❯