python developer jobs in London

ResponsibilitiesDevelop high quality, secure, and maintainable features for the client Digital Onboarding Service using Python on the backend in a serverless and containerized architecture with a NextJS/React client frontend.Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask.Build and...

KDB+/Python Developer | LondonAll the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description.Permanent - HybridSalary: £85K - £115KWe are looking for a talented KDB+/q and Python Developer with 3-5 years of commercial experience to join a technology team developing and supporting...

KDB+/Python Developer | LondonPermanent - HybridSalary: £85K - £115KWe are looking for a talented KDB+/q and Python Developer with 3-5 years of commercial experience to join a technology team developing and supporting high-performance, data-driven applications.Responsibilities:Develop and maintain applications using KDB+/q and Python.Build and optimise...

Oxford Knight is seeking a Senior Python Quant Developer in London to help build and optimize live trading and simulation components for a fast‑moving trading pod. The role emphasizes robust Python development, data handling, and integration with execution and order management systems.The ideal candidate has 5+ years of experience in research and live...

**About the Job** **Title:** Python Developer – Backend & Data Platforms **Client:** Boutique Fintech **Salary:** Up to £170,000 base + Bonus **Location:** London **About the Client** We are partnering with an ambitious, technology-driven boutique financial firm where some of the world’s best engineers and developers build cutting-edge technology...

Senior Python Developer | Tech Lead | Principal Engineer London | Hybrid (2 days onsite. (London or Southampton) Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code? We're recruiting for an experienced Python Software Engineer to join a significant government technology project, helping to build secure...

Senior Python Developer | Tech Lead | Principal EngineerPython | Terraform | IaC | Cloud AutomationLondon | Hybrid (2 days onsite. (London or Southampton)£100k + 8-10% bonus, private medicalAre you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code?We're recruiting for an experienced Python Software Engineer to...

Senior Python Developer | Tech Lead | Principal Engineer Python | Terraform | IaC | Cloud Automation London | Hybrid (2 days onsite. (London or Southampton) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code? We're recruiting for an experienced Python Software...

Hunter Bond is seeking a Strategy-focused Software Engineer to join a leading quantitative trading firm in London. You’ll sit at the intersection of software engineering, quantitative research and live trading, turning ideas into robust, production-ready systems.You’ll collaborate with experienced quants and traders to develop signals, test them, and...

We’re working with a leading quantitative trading firm that is looking to add a Strategy-focused Software Engineer to one of its established intraday trading teams.This is a role for someone who enjoys sitting at the intersection of software engineering, quantitative research and live trading — taking ideas from research through to robust,...

Spencer Scott - Technology Recruitment provided pay range This range is provided by Spencer Scott - Technology Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Spencer Scott - Technology Recruitment. About the role Python Developer with Cloud...

About the Company Futureheads have partnered with a consumer health company building an app that brings together blood-test results, wearable data and medical history to deliver personalised insights. About the Role You'll work with an experienced, Python-focused engineering team to ship product features quickly. This is a hands-on, full-stack role: you'll...

Explore the forefront of financial technology with a leader who specialises in buy-side brokerage services - their software provides portfolio managers with differentiated trade idea creation, optimisation, and execution services.You will:Develop and maintain robust data pipelines.Integrate and manage market data feeds.Optimise data storage and retrieval...

As a Lead Python Developer at Fundment, you’ll lead a pod of 3 - 4 engineers, including yourself, combining hands-on development (around 50% of your time) with technical leadership. You’ll drive execution, uphold delivery quality, and ensure the team builds reliable, maintainable systems that serve real business needs. You’ll collaborate closely with...

We are seeking a Senior Python Developer to join a high-performing engineering team building a brand-new data and application platform for a leading investment banking client. This is a hands-on technical leadership role where you will help define architecture, drive engineering excellence, mentor developers, and deliver scalable, enterprise-grade solutions....

Oxford Knight is hiring a Quant Developer, Risk, to join a fast-growing financial services firm. The role focuses on producing robust Python code, implementing risk-model pipelines, and building APIs for analytics.Candidates should have extensive experience with distributed systems and production-grade software in finance. The position is based in London or...

London | VP Level | £150,000 base + bonus | Hybrid We are working with a leading global investment bank that is continuing to invest heavily in the build out of a new generation Risk Management platform. The programme is replacing and modernising legacy risk infrastructure with a scalable platform designed to support Risk Managers across multiple asset...

McGregor Boyall is seeking an experienced Python Developer with strong Market Risk knowledge to join a leading global investment bank in London. The role focuses on building a new generation Risk Management platform, replacing legacy systems across asset classes including Equities, FX, Fixed Income and Mortgages, with a hybrid work arrangement.You will...

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...

Senior Full Stack Engineer – Market Data Platforms Inside IR35 - Up to £700 per day Hybrid in Central London 6-Month Initial Contract (3-Year Project Scope) October Start possible! Technologies: Python | gRPC | MongoDB | HBase We are seeking an experienced Senior Full Stack Engineer to design, develop and support market data platforms within a Global...