senior python developer jobs in London

Senior .Net Developer, C# / VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house by their small dynamic team of tech professionals. Due to growth a...

Job ID: 1 Posted: 2026-11-04Location: London, England, United KingdomCategory: TechnologyCompany: CitiJob OverviewEngineer the future of global finance.Want to apply Read all the information about this position below, then hit the apply button.At Citi, our Tech team doesn’t just support finance – we are helping to redefine it.Every day, $5 trillion...

Senior Test Development EngineerLocation: Glenrothes or LivingstonAbout the role: Responsible for the design, manufacture, verification and validation, along with through life technical support of board level, sub-system and system level test equipment.Skills: • Test software design • Excellent knowledge of analogue and digital electronic circuit...

Company description: Fantastic challenges. Amazing opportunities. GKN Aerospace is reimagining air travel: going further, faster and greener! Fuelled by great people whose expertise and creativity sets the standards in our industry, we're inspired by the opportunities to innovate and break boundaries. We're proud to play a part in protecting the world's...

London, United Kingdom | Posted on 21/10/2026Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.We are passionate about user-centred design, agile delivery,...

iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading...

GSK seeks a Clinical Development Lead (CDL) for Oncology GU. You will shape the clinical strategy, scientific narrative, and integrated benefit–risk framework across the asset lifecycle, leading governance and strategic decisions with MDT partners.You will mentor Senior Scientists and partner with Medical Affairs, Regulatory and Commercial to align on...

A well-established financial markets firm is seeking a Senior Java Trading Systems Developer to support the continued development of its electronic trading technology.This is a hands-on engineering position focused on building and improving systems used to manage orders and trading activity across multiple markets and venues. The successful candidate will...

Are you ready to join the forefront of technology innovation with Netcompany?As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting.Operating across both public and...

Department: Latency Sensitive Electronic Trading (LSET)Location: London (Hybrid)Company overviewNomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business...

Innovus Group is seeking a proactive Business Development Manager to drive growth across the UK property services sector. You will secure opportunities with major stakeholders and residential clients, collaborating with internal teams to tailor quotes and bids.You will work with the Director of Business Development to develop outbound campaigns, respond to...

Senior Software Developer Location: LondonContract Type: Permanent, Full-TimeSalary: Up to £71,000 per annum, plus benefitsSecurity Clearance: SC cleared or active SC is requiredStart Date: ASAP The Role We're looking for a Senior Software Developer to move a digital and cyber playbook for councils from its current build to an in-house service. The playbook...

NHS AfC: Band 8a Main area Estates, Facilities, Capital, Estate Development, Project Manager Grade NHS AfC: Band 8a Contract Permanent Hours Full time - 37.5 hours per week Job ref 214-CEN-8247456-A Site Kings Mill Hospital Town Sutton-In-Ashfield Salary £57,528 - £64,750 per annum Salary period Yearly Closing 12/11/2026 23:59 Thank you for your interest...

Senior Frontend Developer (Chinese Speaking)Eeze — Eeze Hammersmith, England, United KingdomEeze is a leading innovator in the iGaming industry, specialising in the design, development, and delivery of live casino games. As we expand our operations in the European market, we are committed to pushing the boundaries of gaming experiences, offering...

OverviewBehind the scenes, our tech team builds the tools that keep this all running smoothly: from listing automation and 24/7 guest comms to pricing engines and integrations with third-party platforms. We're scaling fast and need strong technical leadership to push our platform to the next level. We are looking for a Senior Software Developer/ Team Lead to...

Hyper Recruitment Solutions is seeking a Group Leader in Analytical Development to join a pioneering biopharma organization in the UK. You will lead a dedicated analytical development team responsible for method development, product characterization, and support for regulatory submissions.You will drive strategic direction, ensure right-first-time data...

Location: LondonContract: 12 monthsWorking Pattern: Hybrid - 3 days per week onsitePositions: 3We are recruiting experienced Senior Java Low-Latency Developers to design and develop high-performance trading, exchange connectivity and Direct Market Access platforms.This is a hands-on senior engineering role focused on building resilient, scalable and...

About the job Senior Quantitative Developer Investment BankOur client, a well-established investment bank, is looking to recruit a Senior Quantitative Developer in their London office, with hybrid working. The successful candidate will have Haskell programming experience, solid computer science knowledge (algorithms, data structures, complexity,...

A leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses on building and enhancing high-performance...

Java / Angular Fullstack Developer Salary: £60,000 - £75,000 (depending on experience) Location: Central London Working Arrangement: Hybrid, 2 days per week in the office Employment Type: Permanent Avanti Recruitment is currently recruiting for a Senior Java Fullstack Engineer to join an established, internationally recognised software company based in...