python developer jobs in London

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our business objectives. Your expertise will empower...

Senior Full Stack Developer – Teesside / Hybrid £55,000 - £65,000 + excellent benefitsAre you an experienced Senior Developer with proven expertise with Python / Django? This is an opportunity to join a growing SaaS company that is establishing its UK presence by bringing in an experienced Senior Full Stack Developer.You will have significant sway over...

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a dynamic environment where your ideas drive progress. Be part of a team...

We are seeking aSenior Software Engineerto join theRisk Services team within GlobalMarkets.This role focuses on designing and buildingscalable, distributed systemsthat supportrisk data processing,analyticsandreporting workflows.The ideal candidate will have strong experience acrossJava and Python-based backend systems, with a solid understanding ofrisk data...

Help build foundational identity services that power secure public cloud platforms across the firm. You will join at the ground level to shape a new Identity and Access Management team, influencing technical direction, engineering culture, and operational excellence. This role offers hands‑on delivery in critical security domains and close partnership with...

Salary: up to £600k total comp Client: This premier investment firm undertakes rigorous research and deploys systematic, computer-driven trading strategies across multiple liquid asset classes. Technology is central to their success, with systematic trading across Equities, FX and Futures, including intraday strategies and an expanding focus on HFT. Role:...

Octopus Energy Group is seeking a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team, building the systems that power our electric car leasing platform. Our tech stack includes Python with GraphQL, React with Next.js, PostgreSQL and NoSQL, deployed on AWS.You will work within a cross-functional team, build APIs,...

At Fractile, we’re taking a revolutionary approach to computing to run the world’s largest language models at scale. Building silicon, systems and software that redefine the frontier of AI only matters if developers can actually get their models running on it quickly and predictably, which is where you come in. We’re looking for Developer Experience...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in...

About usRe-architecting Engineering for the Age of IntelligencePhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering and manufacturing look like today. PhysicsX is building a new simulation software stack to deliver deep physics AI enablement across the...

Our client is a leading British bank. Join our client as a Developer Platform Engineer and play a key role in shaping the future of our new developer platform. In this role, you'll have the opportunity to develop innovative applications, navigate complex infrastructure, and translate business requirements into actionable improvements—ensuring our platform...

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and...

About MethodsMethods is a £100M+ IT Services Consultancy that partners with central government departments, agencies, and commercial organisations to deliver meaningful digital transformation. Established over 30 years ago and UK-based, we combine expertise in transformation, delivery, technology, and collaboration to create people-centred solutions that...

Software Engineer / DevOps / Platform Engineer – Government Location: Remote Working (UK)Contract: Contract OpportunityClearance: Active SC or NPPV3 Clearance EssentialClient: UK Government The Opportunity We are currently recruiting for an experienced Software Engineer / DevOps / Platform Engineer to support a major UK Government client on an exciting...

Searchability in London is seeking a Senior Python / AWS Engineer with active SC or DV clearance for an initial 3–6 month contract. You'll design and develop secure cloud platforms, focusing on Python and AWS, with Terraform, CI/CD, and API work.This hands-on role collaborates with architects to shape technical design and roadmaps for Data Services, while...

Octopus Electric Vehicles, part of the Octopus Energy Group, is hiring a Senior Fullstack Software Engineer (Python & React) to join our product and engineering team in the UK. You’ll build APIs, develop frontend experiences, and create scalable systems powering our electric car leasing platform.You’ll work with Python, GraphQL, React/Next.js, PostgreSQL...

Senior Software Engineer – AWS / Python / TerraformActive SC or DV Clearance Required | Government Programme | Contract | Inside IR35Location: UK – hybrid/remote working, subject to project and security requirementsSecurity Clearance: Current SC, enhanced SC or DV clearance is mandatoryEngagement: Contract – Inside IR35Sector: Government / Defence /...

Hudson River Trading (HRT) is seeking exceptional full-time PhD students to join our Algorithm Development teams in New York, London, and Singapore. Algorithm Developers at HRT are responsible for building and maintaining the models that drive our trading. A typical day involves applying rigorous statistical analysis to vast quantities of market and...

Job ID: Posted: Location: London, England, United KingdomCategory: TechnologyCompany: CitiQuant Developer – Trading Analytics – Equity Derivatives TechEngineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+...

Salary: up to £200k + bonus Summary This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join the team who design, develop and maintain the infrastructure at this tech-savvy algorithmic trading firm. A complex and involved role, you will be designing, developing and striving to always improve...