senior python engineer jobs in London

Octopus Energy Group is seeking a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our electric car leasing platform in the UK. You will design robust APIs with GraphQL, work across PostgreSQL and NoSQL databases on AWS, and contribute to frontend work when needed, delivering scalable, maintainable...

Salary: Up to £200k + bonus Summary Fantastic opportunity for a Python engineer with tech leadership experience to join one of the largest global HFT funds. Unique in their field, they combine the lively, positive spirit of a start-up with the stability of a longer-established player. Sitting centrally within the core development team and using a...

Selby Jennings in City of London is seeking a skilled software engineer to design, build and maintain critical trading infrastructure and backend services. You will develop systems spanning trade capture, position management, reconciliation and settlement workflows, and build scalable data platforms to support trading, risk and operations.You will...

Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects.Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality features.Lead code reviews and technical discussions, and contribute to architectural decisions.Lead complex coding tasks; ensure code...

Octopus Electric Vehicles is seeking a Senior Software Engineer (Python) to join the Product & Technology team in a hybrid role. You will design and build APIs, evolve backend systems, and work with PostgreSQL and NoSQL data sources on AWS, with a React/Next.js frontend for user experiences.You will own features end-to-end, collaborate across disciplines,...

## Senior Software Engineer – PythonPostuler: Mode de travail Flexible Work Arrangement: London, London, United Kingdom: Temps plein: Offre publiée aujourd'hui: R76890Chez Medtronic, vous pouvez entamer une longue carrière d’exploration et d’innovation tout en aidant à soutenir l’accès aux soins de santé et l’équité pour tous. Vous...

Tempest Vane Partners in London is seeking a Senior Python Developer to join their risk technology team. You will help revamp and rebuild core risk components to be scalable and resilient for internal risk managers and external clients.The role requires modern Python expertise, strong SQL, and experience with distributed systems, data pipelines and cloud...

Prolific is seeking Senior Python Developers to join their Expert Network for training AI models. This role involves evaluating code accuracy and providing feedback on model performance.Ideal candidates should hold a relevant degree and have substantial experience in Python development, including expertise in frameworks like Django and FastAPI. Offering...

HireHi в Великобритании ищет старшего Python-инженера для проектирования и поддержки продакшн-приложений и инфраструктуры для обработки больших наборов данных и аналитических задач в финансовом...

Role Overview We are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usability, and evolution of our platform. Responsibilities: You will own...

Xelix in London is seeking Mid and Senior Python Developers to join our back‑end team. You’ll write clean, tested Python code, work with AI engineers on large data sets, and design RESTful APIs in Django to support the React front end.We value ownership, provide an annual conference allowance, a learning budget, and a clear path toward Team Lead, Project...

A leading UK-based tech company is looking for a Senior Software Engineer to take full ownership of its software product. This role involves leading development projects from concept to deployment, focusing on quality and scalability. Candidates should have over 5 years of Python experience, strong cloud architecture knowledge, and the ability to mentor...

HireHi в Великобритании ищет старшего Python-инженера для проектирования и поддержки продакшн-приложений и инфраструктуры для обработки больших наборов данных и аналитических задач в финансовом...

Falcon Smart IT (FalconSmartIT) is seeking a Python Developer with strong experience in investment banking for backend application development and data processing. Responsibilities include building Python applications, data processing logic, and REST APIs, while collaborating with financial experts. Must have substantial experience in Core Python development...

Selby Jennings in City of London is seeking a skilled software engineer to design, build and maintain critical trading infrastructure and backend services. You will develop systems spanning trade capture, position management, reconciliation and settlement workflows, and build scalable data platforms to support trading, risk and operations.You will...

Schroders is seeking a Principal Software Engineer (Python) to help build an AI-native investment platform within Public Markets. You will craft scalable Python solutions, leverage AWS cloud-native services, and shape analytics workflows used by investment professionals.You will collaborate with portfolio managers, researchers and traders, applying modern...

Medtronic in the United Kingdom is seeking a Senior Software Engineer for the AI and Data Science Platform. You will design, build and maintain software used by Machine Learning Engineers and Data Scientists to develop new medical technology products in a fast-paced, scalable SaaS environment.This role requires strong Python coding, Git, CI/CD and cloud...

Client Server Limited is building cybersecurity technology that uses AI to protect clients worldwide from advanced cyber threats. The role involves creating a new greenfield product, rapidly prototyping ideas, and driving continuous improvement in a fast-paced development environment.The candidate will tackle complex problems with strong Python skills and...

Harrington Starr is seeking a skilled Python backend engineer to join a small, highly collaborative team in fintech. You will design, build and maintain scalable backend apps and REST APIs, taking features from concept to production.You will work with Product to shape technical solutions, improve performance and reliability, and contribute to architecture...

Senior Python Engineer Platform team$180k - $280k RemoteHowrecruit has been retained by one of the startup world's best-kept secrets. They are a profitable, fast-growing home services platform on a mission to make quality and affordable home cleaning accessible to everyone, while providing cleaning professionals with a stable and rewarding career. We are...