python jobs in London

Automation Test Engineer – Selenium Java PythonUp to 55k + Large Pension, Bonus and Flex Home WorkingQuant Capital is urgently looking for an Automation Test Engineer to join our high profile client.Our client is well known Fintech50 client who produces software disrupting the wealth management market. Currently they stand at 300 in the UK with almost 3000...

A leading trading firm in London is looking for an experienced Python Software Engineer to join their team. This role focuses on designing and developing data and research platforms that support quantitative research. The candidate should possess strong Python skills, experience with distributed systems, and a degree in a STEM field. Competitive compensation...

Fantastic opportunity to join a world-leading alternative investment manager, using innovative and cutting-edge technology. Forget the stuffy world of finance you thought you knew; developers here are tech-driven and truly world-class. Now looking to hire a strong Software Engineer, with Java and/or Python expertise, to join Post-Trade Engineering where...

Stanford Black Limited, a world-leading proprietary quantitative investment firm, combines elite engineering with massive compute power to tackle some of the hardest problems in systematic trading.You will work directly with top-tier researchers and traders, optimizing simulation engines, scaling workloads across thousands of nodes, and building...

Intellias seeks an experienced infrastructure/platform engineer to own our internal infrastructure platform and drive scalable improvements. You will automate operations, implement observability, and collaborate across engineering teams to deliver secure, reliable systems.The role focuses on on-prem and cloud-enabled infrastructure, with strong emphasis on...

Tempest Vane Partners in London is seeking an experienced Python Developer for its Commodities desk. You will work as the sole developer, building tooling, infrastructure and models for the desk in a small team with PMs and Quant Researchers.The role requires strong Python coding experience in finance, plus hands-on experience with data pipelines and modern...

A global algorithmic trading firm operating across the digital asset markets is seeking a Core Python Developer to join a small, high-impact engineering team. The role sits at the heart of the business, contributing to systems that support trading, operations, quantitative research, and DeFi initiatives. You’ll work closely with traders, C++ engineers,...

A leading tech house in finance is looking for a Python Developer with outstanding technical skills to join their team in London. You will work on innovative software and build scalable data platforms, collaborating with top technologists. The ideal candidate has strong experience with Python and SQL, enjoys working with large data sets, and preferably has a...

ECS Recruitment Group Ltd is seeking a Python Engineer for an initial five-month contract. This fully remote role focuses on secure Python development, package management, CI/CD, and automation to support development teams and platform services.You will work with engineering, security and platform teams to create reliable, developer-friendly solutions and...

Advantage Resourcing UK Ltd is seeking an Automation Developer in London to design, build, and maintain automation ecosystems across critical connectivity and infrastructure services. The role is hybrid, requiring onsite presence 3 days per week, with high potential for extension.You will own end-to-end automation pipelines, implement IaC, and support...

iSAM is seeking an experienced quant developer to join our London team. This role spans data, strategy development and production monitoring, ensuring the system is stable, scalable and robust from inception to production.You will work closely with researchers, quant developers and engineers to deliver well-tested Python platforms that support cutting-edge...

Lead Software Engineer / Developer London / WFH to £120kAre you a skilled a backend focussed Python technologist with team leadership experience?You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, talented tech team to deliver new features and enhancements as well as some...

Python Developer Times Top 50 fintech firmsQuant Capital is urgently looking for a Python Developer to join our high profile client in their data science team.Our client is a big data business that has created a world leading social data product used by businesses as well as individuals, it is in early stages at present but already has 40 people in the...

Backend Software Engineer / Developer (C++ Python) London / WFH to £125kAre you a talented, backend focussed Software Engineer with strong C++ and Python skills and a solid understanding of the trade lifecycle?You co9uld be progressing your career at a technology driven systematic trading firm where you'll develop sophisticated, data driven software...

Ncounter Limited is expanding its AI engineering capability and seeks an experienced Python Engineer to productionize LLM-powered solutions for public sector transformation programmes. You will work in multidisciplinary teams to evolve ideas from discovery to secure, scalable services, collaborating with architects, consultants and frontend engineers.Ideal...

Job DescriptionIf you are looking for a game-changing career, working for one of the world's leading financial institutions, you've come to the right place.As a Sr. Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank Compute Runtime Platforms, you will play a crucial role in providing expertise and engineering excellence as part...

About our TeamWorking within Information Security & Data Protection division, the content protection platform team builds scalable technology solutions that detect and prevent fraud, theft, and piracy while protecting legitimate customer use. Working as a fast-paced agile squad, the team designs and develops software using modern engineering practices,...

Certain Advantage is seeking an Automation Developer in London to design, build and maintain automation ecosystems across connectivity and infrastructure services. The role is a hybrid position with onsite requirements three days per week, initially on a contract basis to year-end with potential extension.You will develop end-to-end automation pipelines,...

microTECH Global Limited in London is seeking an AI Integration Engineer to build production-quality Python pipelines for video processing and to bridge cutting-edge video technology with modern AI ecosystems.You will integrate codec SDKs into AI and media frameworks, connect video processing stages to computer-vision and multimodal models, and prototype...

DIGI2AL is a defense-focused digital services consultancy delivering cloud-hosted digital services to the public sector. We are building a team to support engineering and technical work for our data fusion platform, bridging tactical edge sensors and HQ analytics.Key areas include Python engineering, container orchestration, Palantir API integrations, and...