senior python engineer jobs in London

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


  • Charing Cross, London, United Kingdom Sainsbury's Full-time

    Data Software Engineer - PythonApply fast, check the full description by scrolling below to find out the full requirements for this role.In a nutshellWe are looking for a strong python engineer who builds, tests, and maintains data platform capabilities that enable teams across Sainsbury's to leverage data and AI effectively. Implements infrastructure as...


  • City of London, City and County of the City of London, United Kingdom Penguin Recruitment Full-time

    Senior Civil Engineer Fully Remote | London & South of England £45,000 - £55,000 per annum Are you a Senior Civil Engineer ready for a change from traditional consultancies? Join an ambitious, growing civil engineering practice building a reputation for delivering practical, sustainable, and cost-effective solutions. With increasing demand and exciting...

  • AI Testing

    5 days ago


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

    Reply is seeking a mid/senior-level AI Testing & Engineering Specialist with strong Python expertise to build a next-generation testing framework for generative AI agents, including evaluation pipelines, synthetic data, observability, and quality metrics for LLM-based systems.You will collaborate across AI engineering, data pipelines, and QA to design...


  • greater london, england, United Kingdom, England Paragon Alpha - Hedge Fund Talent Business Full-time £90,000 - £130,000

    Paragon Alpha - Hedge Fund Talent Business in London is looking for a Quantitative Engineer to build data tools, models and infrastructure for PM teams. You will work on cloud-based, data-heavy applications and interfaces with PMs and traders to tailor software solutions for trading strategies.The ideal candidate has exposure to commodities (Power, Energy,...


  • City of London, City and County of the City of London, United Kingdom The Portfolio Group Full-time

    We're looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products. This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full...


  • City of London, City and County of the City of London, United Kingdom Penguin Recruitment Full-time

    Pump Engineer - London £60,000 + Vehicle + Fuel Card + Overtime + Excellent Package + Career Development Location: London / Greater London Salary: £60,000 + Vehicle + Fuel Card + Overtime Benefits: Holidays, Pension, Package & Excellent Career Development Opportunities An excellent opportunity has arisen for an experienced Pump Engineer to join an...


  • City of London, City and County of the City of London, United Kingdom Penguin Recruitment Full-time

    Senior Drainage Engineer - London £40,000 - £50,000 Are you an experienced Flood Risk and Drainage Engineer looking for a new opportunity in London? We are working with a well-established and growing consultancy that is looking to strengthen its flood risk and drainage team with the appointment of a Senior Engineer. This is a varied role where you will...


  • City of London, City and County of the City of London, United Kingdom Aldwych Consulting Full-time

    Senior Structural Engineer London £55k-£61k A Senior Structural Engineer is sought to join the London office of this medium sized reputable design consultancy. Ideally you will have data centre project experience and experience of mission critical projects. The role will be client facing and include assisting with the management of the growing office...


  • City of London, City and County of the City of London, United Kingdom Penguin Recruitment Full-time

    Senior Geotechnical Engineer Location: London Salary: £45,000 - £55,000 The Opportunity We are currently working with a well-established, multidisciplinary engineering consultancy in London that is looking to appoint a Senior Geotechnical Engineer to join its growing geotechnical design team. This is an excellent opportunity for an experienced...


  • London, United Kingdom Builders at Gigs Full-time €90,000 - €125,000 Contract

    About Gigs At Gigs, we're building the operating system for mobile services—a platform that lets tech companies embed global connectivity into their products effortlessly. Just as Stripe lets any business add a payment button in seconds, Gigs empowers platforms to weave in connectivity—bridging the traditional world of telecom with modern tech. From...


  • greater london, england, United Kingdom, England JPMorganChase Full-time £90,000 - £150,000

    JPMorgan Chase seeks a Software Engineer III (Java/Python) to join the Commercial & Investment Banking Emerging Markets Team in London. The role focuses on building, enhancing and delivering secure, scalable market-leading technology products within an agile team, contributing across design, development, testing, and operational stability.You will work with...


  • london, United Kingdom Ramboll Group Full-time

    Job DescriptionWe invite you to bring your civil engineering expertise, professionalism and skills into play as you contribute to the continuing growth and development of the aviation business in Ramboll. To succeed in this role you must have Civil Engineering degree and ideally be chartered or on your chartership journey. Are you our new Senior/Principal...


  • london, United Kingdom Stantec Full-time

    Build the foundation for a successful career in geotechnical engineering with a great team. When we say we’re full-service, we mean it. You’ll find us in the office, on site, and in the lab. We work in and outdoors, above and below ground, over and under water, on projects large and small. From field exploration and lab testing to designing and managing...


  • london, United Kingdom Stantec Full-time

    At Stantec, we know the work we do matters. From decarbonizing mines to modernizing electric grids and building the infrastructure that fuels communities, we’re powering the world. Our clients come to us with their biggest, most complex challenges because that’s where we thrive. And we’re looking for problem solvers, high achievers, and visionaries to...


  • london, United Kingdom Quant Capital Full-time

    Senior Java Engineer – Hedge FundContract Outside IR35Jan StartHybridQuant Capital is urgently looking for a Senior Java Engineer to join our high profile client.Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They...


  • london, United Kingdom Quant Capital Full-time

    Senior Desktop Support Engineer Tech Driven Trading85,000 – 20%Quant Capital is urgently looking for an Desktop Support Engineerto join our high profile client.Our client is a $3 billion Quant Trading firm with performance figures of 23%. They trade a number of products across ETF / Options in both high and low frequency strategies. They use a combination...


  • London, United Kingdom Carrington West Full-time

    If you're an ambitious Electrical Design Engineer looking to accelerate your career, this is an outstanding opportunity to join one of London's fastest-growing M&E consultancies. With an impressive pipeline of work Data Centre sector, you'll gain exposure to a wide variety of technically challenging projects while working alongside an experienced...

  • Senior UI Engineer

    3 days ago


    London, England, United Kingdom Oxford Knight Full-time

    This is a great opportunity to join a globally successful market-making firm, using innovative and cutting-edge technology. Forget the stuffy world of finance you thought you knew; developers here are tech-driven and truly world-class. Now looking to hire a talented UI Engineer, skilled in advanced Javascript and passionate about designing systems users...


  • London, City of London, United Kingdom Smart Search Technical Ltd Full-time

    Location:London, with UK travel and occasional overnight staysEnsure all your application information is up to date and in order before applying for this opportunity.Salary:Up to £43,000 DOEHours:40 hours per week, Monday to FridayCall-Out:1 in 10 weeksTravel:Door-to-door paid at single rateOvertime:Weekdays 1.25x, Saturdays 1.5x, Sundays and nightwork...


  • City of London, England, United Kingdom, England LSEG Full-time £22,000 - £31,000

    The London Stock Exchange Group (LSEG) is offering a 12-week Software Engineer Summer Internship in its Post Trade Solutions (PTS) engineering team. The programme starts in June 2027 and targets penultimate-year undergraduates or final-year students in Computer Science or related tech fields.The successful intern will work with a team of 5–10 engineers,...