python jobs in London

hyperexponential is seeking a Delivery Engineer to own end-to-end model delivery on hx. You will build production-grade Python models and work with customer actuarial teams to solve complex modelling problems.You’ll collaborate with engineers, actuaries and data scientists, mentor junior developers, and help raise the team’s quality through best-practice...

Selby Jennings in City of London is seeking a skilled software engineer to design, build and maintain critical trading infrastructure and backend services. You will develop systems spanning trade capture, position management, reconciliation and settlement workflows, and build scalable data platforms to support trading, risk and operations.You will...

JPMorgan Chase in London seeks a Lead Software Engineer to join the Equities LOB and drive secure, scalable software delivery across multiple business functions. You will craft robust solutions, lead technical design reviews, and collaborate with front-office users to translate requirements into delivery plans.You will own the full software lifecycle, mentor...

mthree is seeking a Python Developer to join its Front Office FX Options Technology team at a leading global investment bank. You'll work closely with traders and developers to build high-performance trading systems using big data and algorithmic models to analyse and predict market behaviour in real time.The role demands tackling complex problems,...

J.P. Morgan is seeking a core technical contributor to join an agile team delivering trusted, market-leading technology products in a secure, scalable way.You will drive end-to-end software solutions across multiple business functions and lead critical architectural discussions to ensure reliability and security. Key requirements include deep Java (17+),...

Fairygodboss is seeking an Associate for the Advanced Treasury Analytics team in Greater London. This role involves supporting analytical tool improvement, analyzing data, and collaborating on innovative solutions. Candidates should possess a strong quantitative background, experience in analytics, and proficiency in Python and cloud platforms.The position...

Hudson River Trading (HRT) is seeking highly motivated full-time students to join our Software Engineering Summer Internship Program. HRT brings together the sharpest minds across quantitative disciplines—math, computer science, physics, engineering, and more— within our world-class computing environment to rapidly scale solutions to the toughest...

Caventor Capital is a global agency broker and a subsidiary of BGC Group. The Post-Trade Associate role entails supporting the trading and execution operations in a fast-paced environment from our London team.No prior experience is required, but knowledge of interest rate swaps or bonds and CFA qualification are helpful. Proficiency in Python and use of AI...

ExTrac AI is seeking a Software Engineer to join its London-based engineering team. You will build and operate backend microservices, APIs, and data pipelines that power decision-support products used by governments, defence organisations, financial institutions, and corporations.You will work across Go and Python codebases, collaborating with AI, frontend,...

Lendable is hiring a full-stack Python engineer to join our Central Operations team in London. You’ll work on web apps and automation across Cards, Loans and Motor, shipping features used daily by Ops teams and exploring AI-driven improvements.We value strong Python (FastAPI/Django/Flask) and JavaScript (React/NextJS), together with solid engineering...

MUJI Finland Oy is seeking a Python Developer to design, develop, and maintain inhouse apps in a Windows environment. You will bridge inventory, replenishment, and 3PL systems, and contribute to Big Commerce projects while improving UX and Excel integrations.The role emphasizes teamwork and independent work, with opportunities to mentor junior developers and...

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...

Citi is seeking a Quantitative Analyst in London to build pricing and risk models for the trading business. You will develop analytics libraries and apply advanced mathematical methods using C++, C#, Python, and SQL in a collaborative, governance-driven environment.The role interfaces with Traders, Structurers and technology peers, and requires strong...

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experience in backend engineering, with REST API...

A leading technology consultancy in Greater London is seeking a highly experienced Data Engineer with expertise in Hadoop, Spark, Scala, and Python. In this role, you will design and develop applications and data pipelines while managing Hadoop clusters. You should have a strong background in ETL processes and cloud solutions. The position offers a flexible...

Hunter Bond is seeking a Software Developer (Python) in London to join a high-caliber tech team operating in a hybrid working model.You will work on premier platforms with top talent, focusing on Python as the main language and delivering cutting-edge solutions in a fast-paced environment. Up to £140,000 plus bonus and comprehensive package.This role offers...

Drive is seeking a skilled backend engineer to design, build, and scale highly available services in Python, with Django or FastAPI. You’ll work closely with Product, Design, and Sales to translate complex business needs into robust architectures, while embracing Agile practices and code reviews.Based in London, we offer hybrid working with offices in...

A leading recruitment agency is searching for an experienced Quantitative Analyst for a market-leading Buy Side firm in London. The role involves building production valuation models within a Python pricing library, working closely with senior stakeholders to ensure governance and control in models. Candidates should have VP/Director equivalent experience in...

Canonical is a leading open source software company known for Ubuntu, hiring Python developers across teams with remote roles in every time zone. You will write high-quality, well-tested Python, collaborate with a globally distributed team, and contribute to documentation and community efforts.This track spans server, Kubernetes, desktop, and web services,...

Outpost Search Ltd. in London is seeking an Infrastructure Engineering Specialist to drive design and delivery across compute, network, and security domains.You will work with virtualization, containers, IaC, and CI/CD, translating architectures into robust, scalable operations while mentoring the next generation of engineers. DV clearance is mandatory; you...