contract python developer jobs in London

Deloitte - Recruitment is seeking experienced AI Developers (Python) with hands-on experience across levels from junior to senior for Defence & Security projects. The role is hybrid with occasional visits to offices in London, Midlands, Bristol or Northwest; remote work the rest of the time.Start expected Spring 2027, initial 6-month contract inside IR35....

Business Unit Commercial & Investment BankPosting Date 07/20/2026, 03:40 PMLocations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GBJob Schedule Full timeJob DescriptionJoin us to shape the future of equity derivatives trading through technology. You’ll partner closely with trading desks, technology teams, and Quantitative Research to...

We are seeking a Senior Python Developer to join a high-performing engineering team building a brand-new data and application platform for a leading investment banking client. This is a hands-on technical leadership role where you will help define architecture, drive engineering excellence, mentor developers, and deliver scalable, enterprise-grade solutions....

Salary: up to £225,000 P/A Location: London The role: We are looking for a Distributed Compute Engineer to help build the backbone of a next-generation compute platform designed to operate at extreme scale. In this role, you will design and develop the systems responsible for orchestrating, scheduling, and executing workloads across vast distributed...

UBDS Group is seeking an experienced Senior Developer to deliver secure, modern digital products for Government and Defence. You will design, build, test and deploy cloud-based applications in AWS, collaborating with Architects, Product, Design and QA teams.You will develop using Python and JavaScript, work with PostgreSQL, APIs and integration patterns, and...

Python Developer London/Bromley 12 Months emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a...

We are recruiting for a Data Developer to join our Group Finance - Technical Analysts team in London, on a 12 month contract basis. Technical Analysts team - London Provide high quality advice and relevant, accurate information to the decision makers in A&O Shearman, ensuring compliance with laws and regulations and delivering our service efficiently. What...

AND Digital are recruiting a Contract Lead .NET Developer to spearhead the build of greenfield digital platforms for a key enterprise client. Role requires strong .NET/C# expertise and hands-on Optimizely experience. Location is primarily remote with occasional travel to client sites in London and Watford.6-month initial contract, ASAP start. You will own...

Contract Company Description Vertex Solutions is a specialist technical recruitment company which works with some of the Europe's brightest and most innovative technology companies within Research, Development and Science. Since 1997, we have helped to build talented teams of Engineers (Software, Hardware and IT/Network Support) and scientific staff from...

Overview Modo Energy is building the data and AI infrastructure behind the energy transition — ingesting global energy datasets and powering APIs, analytics platforms, and LLM-driven systems that understand real-world power markets. Our data platform processes huge volumes of energy market data and makes it available across the company — powering...

Intec Select Ltd. is seeking a Full Stack Developer to join their London-based technology team on a hybrid, contract basis.The role focuses on building customer-facing and internal platforms with a Python backend and modern JavaScript frontend, working across the full stack. The ideal candidate will have strong Python (Django/Flask) and JavaScript/TypeScript...

Agentic AI Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI PydanticAI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager)...

Join us and make a real impact in a high-energy front office role where your ideas shape the future of trading and investment strategies. You will collaborate with talented developers, quants, and traders, working on exciting projects that help clients implement their strategies. We value your expertise and offer opportunities for growth, learning, and...

We are recruiting for a Data Developer to join our Group Finance - Technical Analysts team in London, on a 12 month contract basis. Technical Analysts team - London Provide high quality advice and relevant, accurate information to the decision makers in A&O Shearman, ensuring compliance with laws and regulations and delivering our service...

Urgent 6 Month Python Contract £600-800 outside Ir35About the CompanyFutureheads have partnered with a consumer health company building an app that brings together blood-test results, wearable data and medical history to deliver personalised insights.About the RoleYou’ll work with an experienced, Python-focused engineering team to ship product features...

Business Development & Contracts Manager Location: Hayes, Middlesex Salary: £50,000 - £55,000 Dependent on experience Type: Permanent – Full-time Overview We are recruiting for an organised, commercially minded Business Development & Contracts Manager to join a growing property services business. The role involves managing client enquiries,...

Talan UK is seeking a Web Application Developer to join a cross-functional team building modern Python-based web applications. You will work across Python services and React/Vite frontends, contributing to reliability, performance, and developer experience.In this hybrid London role, you’ll collaborate with engineering teams on CI/CD, observability,...

AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager) required by our...

Methods Business and Digital Technology LimitedMethods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the...

Maven is a market-leading proprietary trading firm deploying its own capital across discretionary, systematic, and market‑making strategies. Backed by deep expertise in trading, technology, and research, we are relentlessly focused on improving liquidity across global listed derivatives. Through advanced execution and pricing technologies, we improve how...