senior python developer jobs in London

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1,000 senior python developer job listings in United Kingdom. Find daily updated positions from leading job boards.


  • London, England, United Kingdom MORGAN STANLEY Full-time

    Morgan Stanley in the United Kingdom seeks a Developer to focus on Generative AI and Machine Learning software. You will design, develop, and implement scalable Python-based solutions within an Agile squad, collaborating with global teams to translate business requirements into robust technical outcomes.The role emphasizes learning, testing, and applying MS...


  • London, England, United Kingdom Nexus Jobs Limited Full-time

    Nexus Jobs Limited is seeking a Front Arena Developer for project work in London, Frankfurt, Dubai and Minneapolis. The role requires 2+ years with Front Arena and Python development within a financial institution.You will maintain, improve and develop Front Arena code, with emphasis on ADFL/ACM components, ADS/ATS modules, and client-facing interactions....


  • London, England, United Kingdom JPMorgan Chase & Co. Full-time

    JPMorgan Chase & Co. in London seeks a Software Engineer III to join a seasoned agile team, delivering trusted market-leading technology products in a secure, scalable way. You will design, develop, and troubleshoot across multiple areas to support firm objectives.The role emphasizes secure production code, integration of AI-assisted tooling, and strong SDLC...


  • London, England, United Kingdom Recycleye Full-time

    Recycleye is seeking a software engineer to join our small, focused team building the control software for our waste-separation systems. You’ll work across the stack—from low-latency Go services to Python data pipelines and web dashboards.Own features end-to-end, from kernel performance to operator interfaces, with tight deadlines and varied, hands-on...


  • London, England, United Kingdom The Collective Network Limited Full-time

    Senior Development TechnologistCambridgeshire£42,000 + benefitsLet's be honest. Most NPD job ads read exactly the same. Often doing the same thing just in at a different site...So here's the real version.This is a food manufacturer that actually launches stuff. Not endless concept decks that die in a drawer. Products go from idea to shelf, and you'd be the...


  • London, England, United Kingdom European Tech Recruit Full-time

    European Tech Recruit is seeking a Senior Research Engineer to lead ML/AI research projects in a 100% onsite role based in London or Cambridge. You will optimise algorithms, scale research prototypes, and collaborate with researchers to align engineering work with research goals.You will mentor junior engineers, contribute to publications, and help maintain...


  • London, England, United Kingdom JPMorganChase Full-time

    Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading...


  • London, England, United Kingdom JPMorgan Chase & Co. Full-time

    JPMorgan Chase & Co. in London seeks a Sr Lead Software Engineer to design, build, and optimize distributed computing solutions in HPC, K8s, and cloud environments.You will lead efforts across Python, C++, and Go, leveraging GenAI to improve monitoring, management, and efficiency of large compute platforms. You will collaborate with cross-functional teams,...


  • London, England, United Kingdom European Tech Recruit Full-time

    Senior Research Engineer - AI / Deep Learning / LLM / Python This is a permanent role, working 100% onsite in either London or Cambridge What you will be doing Leading engineering efforts on complex research projects in machine learning and AI Optimising algorithms and ensuring the scalability and robustness of research prototypes and systems Coordinating...


  • London, England, United Kingdom Client Server Full-time

    Client Server is seeking a Senior Python Developer/Software Engineer to join their London office in a hands-on role. The successful candidate will build backend services and FastAPIs using Python, as well as integrate LLMs and payment systems. You'll collaborate with a talented team while enjoying flexibility to work from home part of the week.Competence in...


  • London, England, United Kingdom Skyral Full-time

    Skyral is seeking a senior software engineer to own complex platform initiatives, shape our technical direction, and mentor engineers. You'll build reusable tooling and automation, packaging common open-source components for deployment in diverse environments, while embedding security into the platform through audits and secure-by-default practices.The role...


  • London, England, United Kingdom La Fosse Associates Limited Full-time

    La Fosse Associates Limited is seeking a Senior Software Engineer with strong AWS, Python and Terraform skills for a government programme contract. The role covers cloud engineering, DevOps automation and software delivery across AWS-based services.The successful candidate will contribute to automated deployments, Python tooling and cloud-native components...


  • London, England, United Kingdom numi Full-time

    Our client is a leisure tech business whose camera and projector hardware turns real venues into interactive games. They need a Frontend Developer who is equally strong in React and React Native and has shipped native apps to the App Store and Google Play. You’ll join a small product team, report to the CTO and own apps that venue owners and players use...


  • London, England, United Kingdom Venn Group Full-time

    Senior Data Engineer - Python, Databricks & Counterparty Credit Risk Location: London - Hybrid We are recruiting for an experienced Senior Data Engineer to join a leading global banking organisation, working across a highly technical data environment supporting Counterparty Credit Risk (CCR), Credit Risk and wider risk data. This is a hands-on engineering...


  • London, England, United Kingdom eFinancialCareers Full-time

    eFinancialCareers is hiring an AI Labs Software Engineer in London. The role focuses on building Agentic AI solutions using Python, AWS, LangChain, and LangGraph within a finance-focused AI labs team. You will work with a manager and technical lead, delivering end-to-end projects and presenting solutions to clients.The position is hybrid with 3 days in the...


  • london, United Kingdom Methods Consulting Full-time

    Description Methods Business and Digital Technology Limited Methods is a 100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from...


  • Farringdon, Greater London, Greater London, United Kingdom Avanti Recruitment Full-time

    Avanti Recruitment is recruiting for a Senior Java Full Stack Developer to join an established, international software company based in Central London. The company develops complex, business-critical enterprise software used by major organisations internationally. Its products support high-volume transactions and essential business operations, giving...


  • london, United Kingdom Quant Capital Full-time

    Java Ruby Python Developer Quant Capital is urgently looking for a Java / Scala / Ruby Developerto join our high profile client. Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching, big data and language processing. They are well known to take...

  • Software Developer

    7 days ago


    london, United Kingdom Netcompany Full-time

    Company Description Join Netcompany in leveraging technological innovations to foster societal transformation. Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees’ Choice Awards for 2024. As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way...


  • london, United Kingdom Quant Capital Full-time

    Lead Python Web Developer 110,000 Quant Capital is urgently looking for a Python Full Stack Developer to work for our high profile client. Our client is a well known global Quantitative risk management and market data business The Developer is responsible for contributing to the development of financial analytic applications and internal systems. They...