python jobs in London

J.P. Morgan is expanding its Public Cloud Engineering IAM team in EMEA by joining a Senior Lead Software Engineer to shape architecture and drive engineering excellence across AWS, Azure, and GCP.You will lead platform services, mentor engineers, and collaborate with cross-functional teams to deliver secure, scalable identity solutions. You will contribute...

SR2 REC LTD in London is seeking an experienced Data Engineer to design, build and support secure, scalable data pipelines in a government data and analytics programme. You will work across cloud infrastructure, streaming technologies and production data environments, with active SC clearance required.The role focuses on Python development, AWS services and...

Tech4 Ltd in London embraces AI-native development to evolve its platform. You will be a hands‑on Senior Python Developer guiding technical direction while mentoring engineers and collaborating with Product and Design from discovery through production.Responsibilities include architecting scalable cloud services, enforcing secure AI outputs, and driving...

Senior Python Developer - FinanceLondon | Hybrid - 3 days per week£700/day Inside IR35 | 12-month contractPermanent / FTC options also availableWe're working on a number of new Senior Python Developer opportunities within a major Financial Services technology environment, supporting significant investment across trading, regulatory and enterprise...

Lendable Ltd is seeking a full-stack Python engineer to join our Central Operations team. You will work across Cards, Loans and Motor, building internal web apps and automations to support Ops teams at scale.Expect ownership from an engineering perspective, shipping features used daily by Ops and collaborating with Product, Data Science and Analytics. Hybrid...

Oliver Bernard is seeking a broad, high-impact engineer to own full-stack development and help shape engineering practices across a team. The role focuses on core platforms and data products used by thousands of clients in education, translating complex data into actionable insights.Collaborate with Product, Engineering and QA to build scalable services,...

Arrive, a global mobility platform, is seeking a Senior Python Engineer to join the Data Science Products team in London. You will build robust backend systems and data ingestion services that handle billions of sensor data points daily to power parking availability and route optimization.You will own data ingestion services, collaborate with engineers and...

JPMorgan Chase & Co. in London seeks a Lead Software Engineer for Data Platform & Strategy within Corporate Risk Technology to design, build, and scale data engineering solutions. You will drive secure, scalable products and collaborate with agile teams to improve delivery and reliability.The role emphasizes AI-assisted development, governance of coding...

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Credit data pond team housed within Wholesale credit risk technology you are an integral part of an agile team that works to enhance, build, and deliver...

Spectrum IT Recruitment is seeking a Senior Python Developer to lead software engineering on a major government technology project. You will build secure, scalable automation and platform tooling using Python and modern IaC approaches.You'll develop automation frameworks with Terraform, Jinja2 templates, and CI/CD integrations, while collaborating with...

Ness Digital Engineering is seeking an experienced Senior Technical Lead / Solution Architect in Dublin with strong Python, AWS, React JS, and full-stack expertise. You will architect scalable, cloud-native solutions and lead delivery of high-quality software while mentoring engineering teams.You’ll collaborate with product owners, stakeholders, and...

Trust In SODA partners with an innovative tech business at the intersection of software engineering, AI and computational modelling to accelerate engineering analysis. They are seeking a Senior Python Engineer to design, build, and scale platform capabilities powering high-performance simulation workflows.The role is hands-on and requires deep technical...

Smarkets is seeking a senior backend engineer to lead the design, development, and optimization of scalable Python and Rust services. You will architect distributed systems in the cloud, strengthen reliability with monitoring, and drive CI/CD. You’ll mentor juniors, collaborate with product and other teams, and shape the backend architecture for...

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...

WorldQuant LLC is seeking an experienced software engineer to build scalable systems for quantitative research and portfolio production in a Linux environment. You will contribute to a multi‑year platform initiative designed to support large‑scale data processing, backtesting, and ML workflows.The role emphasizes writing production‑quality Python, with...

Futureheads Recruitment is partnering with a consumer health company to hire a hands-on, Python-focused engineer. This is a full-stack, contract role where you will own substantial features, turn ambiguous requirements into working solutions, and collaborate across the business.The team ships weekly, uses AI tools in development, and the role is based near...

Understanding Recruitment is seeking a Senior Software Engineer (Python) to tackle deep technical challenges and help reinvent how future hardware is created from London. You will join a top-tier, Series A engineering team building a platform that translates hardware requirements into circuit designs, combining software, data and engineering.You will own and...

Harrington Starr is seeking a software engineer to develop and maintain robust data pipelines and integrate market data feeds for a cutting-edge financial technology platform.You will optimise storage, retrieval, and performance while building advanced data visualisation applications. The role focuses on scaling the data platform and delivering...

Join a forward-thinking tech company as a Senior Python Software Developer in London, where you'll collaborate with brilliant minds to build innovative solutions in the sports betting industry. This role offers the opportunity to work on high-performance systems using Python, C, and Go, while contributing to cutting-edge trading models. You'll thrive in a...

Lead Full Stack Engineer (TypeScript Python API) London / WFH to £125kDo you enjoy working with a range of programming languages and agentic AI?You could be progressing your career as a Lead Full Stack Engineer at a massively profitable Private Equity firm that invest in businesses across the finance, investment management and insurance space.As a Lead Full...