senior python developer jobs in London

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10,000 senior python developer job listings in United Kingdom. Find daily updated positions from leading job boards.


  • greater london, england, United Kingdom, England Referment Full-time £90,000 - £130,000

    Referment is working with a UK wealth technology company whose platform is used by financial advice firms to manage portfolios, custody, execution and reporting for their clients. Everything on the platform is built by an in-house engineering team, and the business operates in a regulated financial services environment where reliability and security...


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

    Senior Python Developer / Software Engineer (FastAPI Azure) London / WFH to £110kAre you a backend focused Software Engineer with strong Python skills combined with technical / team leadership experience?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on...


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

    London, Greater London | £75k - £85k per yearSenior Python Developer / Backend Software Engineer London / WFH to £85kAre you a backend focused technologist who enjoys problem solving and working on complex systems at the cutting edge of technology?You could be progressing your career as a Senior Python Developer at the world's most advanced cybersecurity...


  • London, United Kingdom Ada Meher Full-time

    Senior Python Developer – London - £(Apply online only)pd Outside IR35 / Hybrid Work Ada Meher is currently partnered with a client searching for multiple Senior Python Engineers in London to join them working on two key roadmap initiative. One project is working on a greenfield security platform within their Data Team, and the other is focused on API...


  • Greater London, England, United Kingdom Cognizant Full-time

    We are looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform.This role is ideal for someone who is strong in Python, confident working with...


  • Greater London, England, United Kingdom Tempest Vane Partners Full-time

    A leading technology driven hedge fund is looking for a Senior Python Developer to join their risk technology team here in London. Having gone through a period of growth since venturing into new asset classes, there is a need to revamp and rebuild some key components of their risk systems used by Risk Managers and Risk Analysts across the firm. The...


  • Greater London, England, United Kingdom ScaleneWorks People Solutions LLP Full-time

    At ScaleneWorks People Solutions, we're more than recruiters; we're career architects dedicated to connecting exceptional talent with top-tier opportunities. Backed by industry experts, we priorities relationships, offer global opportunities, and champion your success every step of the way.Ready to shape your future? Explore opportunities with us today.We...


  • Greater London, England, United Kingdom Mongoose Gray Full-time

    The Full Stack Engineer will work for a fast-paced software business. The Full Stack Engineer will earn £90,000 per year plus benefits. The Full Stack Engineer will enjoy remote working (staggered working hours). The Full Stack Engineer will not just use AI tools but actually build with them. The Full Stack Engineer will integrate cutting‑edge LLM...


  • Charing Cross, London, United Kingdom Tech4 Limited Full-time

    Job DescriptionRead the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.Senior Python Developer - PYTHON/REACT/AZURE/GCP - is required by fast growing and highly successful international organisation.They are seeking an experienced Senior Python Developer to help...


  • greater london, england, United Kingdom, England Cognizant Full-time £70,000 - £110,000

    We are looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform.This role is ideal for someone who is strong in Python, confident working with...


  • London, United Kingdom EMBS Engineering Full-time

    Senior Python AI Developer - Generative & Agentic AI Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps Salary: £60,000 - £75,000 Contract rate: c£475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract | 2 positions We're recruiting two experienced Senior Python AI Developers to join a technology...


  • greater london, england, United Kingdom, England Tempest Vane Partners Full-time £90,000 - £130,000

    A leading technology driven hedge fund is looking for a Senior Python Developer to join their risk technology team here in London. Having gone through a period of growth since venturing into new asset classes, there is a need to revamp and rebuild some key components of their risk systems used by Risk Managers and Risk Analysts across the firm. The...


  • greater london, england, United Kingdom, England ScaleneWorks People Solutions LLP Full-time £90,000 - £130,000

    At ScaleneWorks People Solutions, we're more than recruiters; we're career architects dedicated to connecting exceptional talent with top-tier opportunities. Backed by industry experts, we priorities relationships, offer global opportunities, and champion your success every step of the way.Ready to shape your future? Explore opportunities with us today.We...


  • greater london, england, United Kingdom, England Mongoose Gray Full-time £81,000 - £99,000

    The Full Stack Engineer will work for a fast-paced software business. The Full Stack Engineer will earn £90,000 per year plus benefits. The Full Stack Engineer will enjoy remote working (staggered working hours). The Full Stack Engineer will not just use AI tools but actually build with them. The Full Stack Engineer will integrate cutting‑edge LLM...


  • Greater London, England, United Kingdom N Consulting Full-time

    N Consulting Limited is seeking a Sr Python Developer for a 6-month contract in London. The ideal candidate will have strong experience in trading and risk management systems, with 6-10 years in Python development. Responsibilities include building backend applications, data processing pipelines, and collaborating with financial teams. Proficiencies in SQL,...


  • Charing Cross, London, United Kingdom Client Server Full-time

    Senior Python Developer / Backend Software Engineer London / WFH to £85kAre you a backend focused technologist who enjoys problem solving and working on complex systems at the cutting edge of technology?You could be progressing your career as a Senior Python Developer at the world's most advanced cybersecurity technology business that uses AI technology to...


  • Greater London, England, United Kingdom Crisil Full-time

    We are looking forseniorPython Developerswith strong experience intrading and risk management systemswithin investment banking. The role involves building backend applications and data processing logic supporting risk calculations, tradeworkflowsandreporting.Key ResponsibilitiesDevelop and enhancePython-based applicationsfor trading and risk use...


  • Greater London, England, United Kingdom Ada Meher Limited Full-time

    Ada Meher is currently partnered with a client searching for multiple Senior Python Engineers in London to join them working on two key roadmap initiative. One project is working on a greenfield security platform within their Data Team, and the other is focused on API builds/upgrades in their Engineering Team.Regardless of the project the stack is focused on...


  • London, England, United Kingdom hays-gcj-v4-pd-online Salary Full-time

    I am currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform.What you'll need to succeed : Strong Python software engineering experience beyond exploratory or ad-hoc scriptingStrong experience in Equity Factor Model...


  • greater london, england, United Kingdom, England Crisil Full-time £90,000 - £130,000

    We are looking forseniorPython Developerswith strong experience intrading and risk management systemswithin investment banking. The role involves building backend applications and data processing logic supporting risk calculations, tradeworkflowsandreporting.Key ResponsibilitiesDevelop and enhancePython-based applicationsfor trading and risk use...