senior python developer jobs in London

A financial risk management firm in the UK seeks a Python Software Engineer to join the Client Success Team. The role involves leading the delivery of features and enhancements for the Validus Horizon platform. Candidates should have 3-5 years of software development experience, strong skills in Python, and a background in quantitative disciplines. The...

EMBS Technology seeks an experienced Senior Python AI Developer to design and build enterprise-grade Generative and Agentic AI solutions. You will implement Python backend services, integrate LLMs and orchestrate prompts within AWS environments, collaborating with senior engineers and platform specialists.The role emphasizes hands-on development, CI/CD, and...

A leading investment management firm in London is seeking an expert Software Engineer to join their Data Products team. The ideal candidate will have proficiency in Python, TypeScript, and React, with 4+ years of software engineering experience. This full-time role involves developing scalable backend systems and full-stack applications while collaborating...

Signify Technology is seeking a Senior Software Engineer to join a fintech company in London. This role involves designing scalable backend applications and collaborating closely with teams to enhance business-critical platforms.Ideal candidates will have over 5 years of experience, strong skills in Python, SQL, and Linux systems, with a focus on software...

Understanding Recruitment is seeking a Senior Software Engineer (Python) to tackle deep technical challenges and help reinvent how future hardware is created from London. You will join a top-tier, Series A engineering team building a platform that translates hardware requirements into circuit designs, combining software, data and engineering.You will own and...

A financial services firm in Greater London is seeking a skilled software engineer to develop and enhance their investment reporting platform. The successful candidate will have over 5 years of experience with Python and Django, be involved in the full software life cycle, and collaborate with various teams. This full-time position offers a range of...

Luxoft in London is 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 hands-on technical leadership role involves defining architecture, mentoring developers, and delivering scalable, enterprise-grade solutions using Python, Databricks,...

Falcon Smart IT (FalconSmartIT) is seeking a skilled professional for a hybrid position in London focused on architecting and developing data systems. The role demands 12+ years of Python experience, strong AWS knowledge, and familiarity with Snowflake and data stack technologies.Key responsibilities include developing metadata management processes and...

WTW is seeking a Senior Python AI Engineer to design and build a modern AI-enabled application from the inside out. You will work on agentic workflows, AI orchestration, and RAG pipelines, leveraging LangGraph, LangChain, and FastAPI within a Microsoft Azure stack.Strong production Python experience, API development, and expertise with LLMs and...

Broadridge is seeking a Senior Developer to join the AI Enablement Team in London. The role focuses on implementing and designing GenAI-enabled solutions across the organization, contributing to platform capabilities and cutting-edge AI projects.You will lead development, technical guidance, code reviews, testing, and cross-functional collaboration to...

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like credit cards, overdrafts and other loans.A 360 degree...

A leading technology consultancy in Greater London is seeking a highly experienced Data Engineer with expertise in Hadoop, Spark, Scala, and Python. In this role, you will design and develop applications and data pipelines while managing Hadoop clusters. You should have a strong background in ETL processes and cloud solutions. The position offers a flexible...

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...

A leading Insurtech company in London is seeking a motivated Senior Backend Engineer to build and scale their insurance platform. The role focuses on developing Python microservices using FastAPI and collaborating in a high-performing team. The ideal candidate has strong expertise in Python development, microservices, and cloud infrastructure. This position...

Oxford Knight in London seeks a senior software engineer to own projects across the stack, from low-level code to high-performance trading systems. You will work closely with traders and deliver production-quality software from day one.The role is hands-on with real impact on daily workflows, offering flexible roadmaps and a supportive environment. Strong...

Python Developer - London, United KingdomTemporary/ContractReporting to the Head of IT (and then to the Project Manager responsible for each task), the Python Developer will design, develop, test and maintain inhouse applications using PHP, Python in a Windows environment. Experience with inventory management systems a distinct advantage, as is implementing...

Location: London | Hybrid WorkingSalary: 90k + 15% Bonus + benefitsSector: London Insurance MarketI'm currently working with an established insurance business looking to hire a Data Engineer to join its growing Data & Technology function.This is an excellent opportunity for a hands‑on Data Engineer with strong Databricks, Python and SQL experience who...

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...

WorldQuant LLC is seeking an experienced software engineer to build scalable systems for quantitative research and portfolio production in a Linux environment. You will contribute to a multi‑year platform initiative designed to support large‑scale data processing, backtesting, and ML workflows.The role emphasizes writing production‑quality Python, with...

Canonical is seeking an experienced Senior Software Engineer to help build a fully managed MongoDB solution using Python and Juju. You will deploy and operate MongoDB clusters across multi‑cloud and on‑prem environments and contribute to a high‑impact, open source‑oriented product.You are a proficient Python programmer with MongoDB operations...