python jobs in London

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...

Octopus Electric Vehicles, part of the Octopus Energy Group, is hiring a Senior Fullstack Software Engineer (Python & React) to join our product and engineering team in the UK. You’ll build APIs, develop frontend experiences, and create scalable systems powering our electric car leasing platform.You’ll work with Python, GraphQL, React/Next.js, PostgreSQL...

Skyral is seeking a senior software engineer to own complex platform initiatives, shape our technical direction, and mentor engineers. You'll build reusable tooling and automation, packaging common open-source components for deployment in diverse environments, while embedding security into the platform through audits and secure-by-default practices.The role...

JPMorganChase in London seeks a Lead DevOps Engineer to join the Execution Services Technology team. You will guide DevOps practices, build secure production code, and influence product design and technical operations.The role emphasizes collaboration with London business units and global partners. The position requires hands-on experience in system design,...

JPMorganChase, within the Commercial & Investment Bank’s Markets Technology, seeks a Lead Software Engineer to drive real-time marking, pricing, and market data platforms for the Rates Nonlinear franchise in the EMEA region.You will lead design and delivery, partner with front office traders and quantitative research, and promote secure, scalable...

A leading tech recruitment agency is offering a Full Stack Developer Opportunity in London. The successful candidate will design and implement services in Python and collaborate on infrastructure maintenance in a dynamic, agile team. They must have at least 4 years of experience and the right to work in the UK. This role offers the chance to work on...

A market-leading trading firm in London is seeking a Software/Data Developer to join their data-focused team. You will develop a greenfield data ingestion platform using OO Python and design ETL pipelines. The ideal candidate has over 4 years of experience in OO Python development and finance, with a proven track record in building large-scale data...

Cognitive Group, part of Focus Cloud Group, seeks a contract 3D Data / Computer Vision Engineer to build data transformation tooling for large-scale annotation and labelling workflows. You will work hands-on with Python, 3D vision, sensor geometry and multimodal data across images, video, LiDAR and calibration data.Responsibilities include transforming data...

Anson McCade Pty is seeking a Backend Developer - Python for mid to senior level to join the engineering team. This permanent, hybrid role offers the chance to build scalable backend services powering customer experiences in the automotive market.You will collaborate with Product, Design, and Sales to deliver impactful solutions, leveraging modern practices...

Oho Group in London is seeking a Python Full Stack Product Engineer to help shape and develop an exciting product using Python, TypeScript and React. You will join a small, talented team and have the chance to drive AI-powered features from concept to production.We want a product-minded engineer with at least 2 years of experience, who thrives in a startup...

Opportunity We are looking for an experienced C++/Python Quantitative Developer to join a high-impact quantitative analytics team focused on Cross Asset XVA and Capital Analytics. This is a senior technical role combining quantitative modelling, software engineering and financial markets, with responsibility for developing analytics libraries used across...

Selby Jennings is assisting a technology-driven trading firm to hire a Python Software Engineer in London. The role collaborates with traders, quantitative researchers and engineers to build business-critical trading systems, real-time pricing, execution and risk management.You will design, build and enhance production-grade Python applications, aiming for...

CBSbutler is seeking an experienced Java or Python Engineer for a permanent role with a leading Global Financial Services client in London. Hybrid work pattern: 3 days per week in the City office.The role focuses on Market Risk and FRTB IMA, with responsibilities around large-scale data, ES/NMRFs, P&L attribution and backtesting, and strong stakeholder...

La Fosse Associates Limited is seeking a Senior Software Engineer with strong AWS, Python and Terraform skills for a government programme contract. The role covers cloud engineering, DevOps automation and software delivery across AWS-based services.The successful candidate will contribute to automated deployments, Python tooling and cloud-native components...

Free-Work is seeking Senior Software Developers/Engineers with Python, Terraform and Go for a high-profile 3–6 month engagement in London/Oxford. You’ll contribute to complex applications, primarily in Python with ML, and use Go for backend tasks.Remote working is acceptable for the foreseeable future. The daily rate ranges from £500 to £2,000, with a...

The Low-latency technology group is looking for an experienced Software Engineer and Integration specialist with experience in equities markets, connectivity, systems integration and automation to join our JISU COB team in London. The JISU COB Team is responsible for project delivery, including business analysis, project management, client onboarding,...

AI Solutions Engineer - RAG - Python - LLM - Wealth Management An exciting opportunity has arisen for an ambitious, hands-on AI Solutions Engineer to play a key role in shaping how Generative AI is used across a leading wealth-management environment. You'll take real business challenges and turn them into practical, production-ready AI solutions, working...

PhysicsX Ltd. is building an AI-driven simulation platform for engineering across advanced industries.As a software engineer, you will build, train, and deploy physics-informed models, taking ownership from implementation through production with emphasis on testing, containerisation, CI/CD, and observability. You will join a cross-functional team in a hybrid...

Senior Software Engineer – AWS / Python / TerraformActive SC or DV Clearance Required | Government Programme | Contract | Inside IR35Location: UK – hybrid/remote working, subject to project and security requirementsSecurity Clearance: Current SC, enhanced SC or DV clearance is mandatoryEngagement: Contract – Inside IR35Sector: Government / Defence /...

Maven Securities, based in Greater London, is looking for a skilled data engineer to design and build reliable data systems for trading. You will collaborate with traders and researchers to manage large datasets and ensure efficient data pipelines. The ideal candidate has excellent Python skills, experience with SQL, and knowledge of containerisation...