Jobs for python developer at London

About the RoleBuild and ship customer‑facing features across modern web applications. Work across the full development lifecycle, from design through to deployment. Collaborate with Product, Design and Engineering teams to solve real user problems. Contribute to scalable systems, clean architecture and engineering best practices. Help shape the future of a...

Hudson River Trading (HRT) is a quantitative trading firm at the forefront of technological innovation. We build and deploy cutting‑edge systems within one of the world’s most advanced computing environments to power our global trading operations. Our bottom‑up approach to projects and collaborative coding environment empower talented engineers to make...

At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create. We just unveiled JetBrains Central,  a platform for agent-driven software...

115 SEI Investments (Europe) Ltd. is seeking a Quantitative Equity Researcher based in London to develop stock selection signals and enhance proprietary models. This role involves maintaining assigned portfolios and contributing to research and production infrastructure.The ideal candidate will have a strong academic record, minimum 3 years of quantitative...

HCLTech is seeking a skilled engineer to design, develop, and deploy scalable Python applications with robust RAG-based AI capabilities. You will build LLM-based solutions, including RAG pipelines and agentic workflows, and integrate RESTful APIs for cross-system communication.The role spans the full SDLC, requiring collaboration with cross-functional teams...

Salary: £65,000 - 90,000 per year Requirements: Strong commercial experience with Java and/or Python development Experience developing enterprise applications and integrations Background working within wealth management, investment management, private banking or financial services Understanding of software engineering best practices and Agile...

About client: A global IT and consulting company based in UK, providing IT services to clients worldwide across multiple industries. About the Role We are seeking a highly technical, hands-on Senior Individual Contributor (IC) to architect, build, and productionize our next-generation, enterprise-grade multi-agent AI systems at scale. In this role, you...

**Excited to architect, build, and elevate complex systems?** **Do you thrive in solving challenging problems with Python and C#, while driving engineering excellence across teams?** **About The Team** LexisNexis Intellectual Property, with 11,300 employees worldwide and serving customers in more than 150 countries, is part of RELX, a global provider of...

Cedar Cares, Inc is looking for a Python Software Engineer to help build and expand their data pipeline and event streaming functionality for the largest equities exchange in Europe. This role involves collaborating with business development and sales teams to create reliable, testable Python systems to support trading operations.With responsibilities...

Role: Senior Java / Python Engineer Client: Financial Systems Location: London (Hybrid) Compensation: Up To £130,000 P/A + Comps The role A high-performing global team is looking for an experienced Java / Python Engineer to help build and enhance critical backend platforms supporting complex risk, trading and data workflows. This is a hands‑on role...

Software Engineer (Java/Python)National Security Location: Gloucester| Hybrid £40,000£60,000 + Bonus + Security Clearance Allowance We're looking for Software Engineers to join a growing National Security team based in Gloucester. You'll work on cutting-edge, mission-critical projects, developing secure software solutions that have a real impact. Working...

DNS Info Ltd is looking for a skilled Python + React + SQL + Databricks developer to combine backend data engineering with frontend application development. This role involves building APIs, developing ETL pipelines, and creating responsive UIs. Candidates should possess strong coding skills in Python, React.js, SQL, and be experienced with Databricks and...

About the Role As a Python Developer within the Wholesale Credit Quantitative Research Core team, you will play a central role in building and maintaining Nova – the firm’s strategic platform for Loan Loss Forecasting models. Nova is built within JPMorgan’s Athena platform and underpins critical regulatory and business processes including CECL, IFRS 9,...

AI Specialist / Generative AI DeveloperLocation: Full remote Salary: £55,000 + benefits Start Date: ASAPWe're looking for an AI Specialist / Generative AI Developer to help deliver AI solutions that improve productivity, automation and innovation across the business. Working within the Digital Innovation team, you'll design, build and support AI-powered...

Job Summary My client is looking for a skilled and experienced Python Developer with a strong background in Django, SQL/PostgreSQL, and hands‑on experience in the FinTech industry. The ideal candidate will play a key role in developing and maintaining robust backend systems that support financial services and products. You should be able to write clean,...

A leading consulting firm in Greater London seeks a Front Office IT Strategist / Python Developer to enhance their ETF Market Making platform. This role demands strong knowledge of Linux and core Python development, with responsibilities including system support, development of trading tools, and ensuring platform reliability. Ideal for candidates who thrive...

Experis in London is seeking an Application Engineer to develop and support enterprise applications using Java and Python. You will design integrations across core platforms and translate business requirements into scalable solutions.Based in London Centre with one day a week in the office, you will collaborate with analysts, engineers and product teams in...

DescriptionDo you want to work to make Power for Good?We're the world's largest independent renewable energy company. We're guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.We know that achieving our ambitions would be impossible without our people. Because we're tackling some of the...

Company DescriptionAt Data Intellect it has never been just about data or technology, they are our tools. It’s about human intellect, collaboration and providing solutions for the most complex of challenges.We do this by living the [DI] code:We are Problem Solvers who are Humble, possess a Can-do Attitude with a focus on Togetherness.“We are not big on...

Role: Java Backend Developer with Data Platform Type: 6 Months Contract Location: London, UK (Fully REMOTE) Working Model: Fully REMOTE Payrate: £450 - £550 per Day on PAYE £530 - £630 per Day on RUPAYE £650 - £750 per Day on Inside IR35 via Umbrella The Role: Join our Data Infrastructure team to drive large-scale pipeline migrations and core...