python jobs in London

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Asset Management Core Data & Analytics Engineering organization, you are an integral part of an agile team that works to enhance, build, and deliver trusted...

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Credit data pond team housed within Wholesale credit risk technology you are an integral part of an agile team that works to enhance, build, and deliver...

Updraft is a London-based fintech redefining how people manage money, with a hybrid, early-stage startup culture and a focus on scalable backend systems. You will design and scale server-side components, integrate with Modulr, Truelayer and Checkout.com, and partner with data, product, and front-end teams to deliver secure, high-performance APIs for lending...

VirtueTech Recruitment Group is seeking a Senior Backend Python Developer for an Energy Tech firm focused on a smarter, zero-carbon electricity grid. You will design, implement, and scale backend services across UK and international markets.You will work with Python using FastAPI or Django, PostgreSQL and distributed databases, Kafka or Pulsar, and AWS to...

Jane Street is seeking software engineers to design and build the systems and tools that run the firm. You'll work across trading desks and accounting teams, building foundational infrastructure and solving real problems.We value functional programming, using OCaml as our primary language, with Python playing a vital role in data analysis, visualization, and...

Elsevier Limited is seeking a software engineer to design, build, and operate secure cloud-based services in AWS. You will contribute to an Agile team, implement CI/CD, and help shape engineering standards while mentoring colleagues.The role focuses on scalable, production-ready software with monitoring, alerts, and an emphasis on reliability and security...

Selby Jennings is hiring a Python Software Engineer for a London trading technology team. You will design, build and enhance production-grade Python applications supporting trading, market data, risk and workflows, working closely with traders and researchers.You will own projects from design to deployment in a fast-paced environment, delivering scalable,...

Brio Digital Limited is seeking a Python/Django Software Engineer to join a central government programme. You will build and improve digital services on AWS, delivering reliable, secure software in a multidisciplinary team.The role is remote with occasional on-site presence in London (1–2 days per month). You will design and maintain web apps and APIs,...

Third Republic Limited is seeking a Backend Python Developer to strengthen a distributed system in London, with an emphasis on open source collaboration and data standards. You will work within a team of engineers to build robust, scalable solutions for regulatory compliance in finance.You should be comfortable with Python, Flask, and PyPy, and have...

Python Engineer | High-Impact Start-Up | LondonBuild software that does something that actually matters. A fast-growing technology start-up is looking for a Python Engineer to join an exceptional technical team working on a product designed to solve a major real-world problem. You’ll be joining at an exciting point in the company’s journey, with the...

Solirius Reply, part of the Reply Group, seeks a Python Developer with strong data engineering experience to join our high-performing engineering team in the UK. You will design and maintain data-heavy Python applications and robust ETL/ELT pipelines within secure environments.You will engage with cross-functional teams to deliver scalable data solutions,...

Burns Sheehan Limited in Greater London is seeking a Senior Python Backend Developer to help scale a fast-growing platform after securing new client wins. You’ll focus on core backend services and APIs, and work with data-heavy pipelines and calculation engines.In a small team, you’ll own features and components, help shape architecture, and contribute...

A leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with quantitative researchers and on-call support as...

N Consulting Limited is looking for a Senior Data Engineer (Python Enterprise Developer) to lead the design and optimization of scalable data pipelines. The role requires 8+ years of Python scripting experience, proficiency with SQL databases like PostgreSQL, and familiarity with cloud platforms such as AWS and Azure. Ideal candidates will have strong skills...

Pulse Group is partnering with an exciting AI-native startup in London that is building a proactive AI Lifestyle Operating System. This hands-on, high-ownership role sits on the founding engineering team to build backend infrastructure with Python, Django and Celery, deploying on GCP and scaling to support elite founders and creatives.You’ll own features...

Oliver Bernard is seeking a Frontend leaning Fullstack Engineer (React/TypeScript/Python) in Greater London with a salary of up to £120k+ plus equity. You will join a fast-growing Seed start-up, owning systems end-to-end, from design to production. This role requires at least 3 years of experience in building production software and a solid understanding of...

Mongoose Gray is seeking a Full Stack Engineer to work in a fast-paced software environment in Greater London. The role offers a salary of £90,000 per year with benefits and remote working options. Responsibilities include developing front-end solutions with React and Typescript, building scalable back-end systems in Python/Django, and integrating...

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Lead DevOps Engineer at JPMorganChase within the Global Electronic Trading Group, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a...

A leading global investment bank in London is seeking a mid-senior level Python Developer to join their cross-asset strategy group. This role involves working hands-on with trading teams and developing Python-based tools to enhance market risk and PnL analysis. Successful candidates are passionate about programming, possess analytical skills, and have a...

One Ten Associates in Greater London is seeking a front-office trade assistant to support its traders at a boutique hedge fund. You will provide desk support to PMs across fixed income and credit, assist trade capture and execution, and contribute to risk and P&L analysis and reporting.A strong tech element is embedded in the role, with expectations to...