python developer jobs in London

Position Overview:                                              We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the...

DescriptionMethods Business and Digital Technology LimitedMethods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from...

**Infrastructure Software Developer (Python) – Trading Firm – London – £140,000 + generous bonus** I'm working with a London-based trading firm that's investing heavily in how its infrastructure is built, and they're hiring a Python developer to write the software that runs it. - Established, technology-driven trading business - Small, collaborative...

DescriptionUpdraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like credit cards, overdrafts and other loans. A 360...

**Junior–Mid Python Developer** **London | Hedge Fund | Investment Technology** Tempest Vane Partners is working with an established, multi-strategy investment firm with several billion dollars in AUM, looking to hire a Junior–Mid Python Developer into their growing technology team. An opportunity to work **directly with Portfolio Managers, Analysts...

**Quantitative Developer (Python C++ MFT) London / WFH to £175k+** Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant bonus earning potential. As a Quantitative Developer you will play a key role in a new team building a Greenfield MFT...

**Role: Python Developer** **Location:** London **Contract:** Inside IR35 **Key Skills:** - Strong **Python** development - **React / TypeScript** - **LLM / Generative AI** application development is plus - AI agents / agentic workflows - REST APIs and production application development

Referment is working with a UK wealth technology company whose platform is used by financial advice firms to manage portfolios, custody, execution and reporting for their clients. Everything on the platform is built by an in-house engineering team, and the business operates in a regulated financial services environment where reliability and security...

**Python Developer – React + LLM** **Location:** London **Contract:** Inside IR35 **Key Skills:** - Strong **Python** development - **React / TypeScript** - **LLM / Generative AI** application development - **RAG** pipelines and vector search - AI agents / agentic workflows - **AWS** experience - REST APIs and production application...

Counterparty Credit Risk Analytics is a group within Citi Financial Risk Technology, responsible for developing the applications used for derivatives credit Risk and Basel Capital calculations Firm-wide. The Counterparty Credit Risk Developer is an intermediate level position responsible for participation in the development and advancement of the...

🐍 **Python Developer** 📍 London (Hybrid) 💷 Up to **£180,000** + Bonus + Comprehensive Benefits 🚀 **The Opportunity** We're partnering with a leading global hedge fund seeking a **Python Engineer** to join its front-office technology team. You'll build the tools, platforms, and infrastructure supporting investment research, trading...

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance of the production derivatives...

**Python Developer – Compliance Technology | 6-Month Contract | London** **Hybrid (3 days onsite per week)** We are looking for a Python Developer to join our client’s Compliance Technology team in London. The ideal candidate will be a hands-on software developer with strong Python and SQL skills, experience within financial services, and exposure to...

**Job Description** **Role Overview** As part of its ambition to become a Top 3 contributor in the European ETF market, our client is investing significantly in the evolution of its ETF Market Making platform, with a strong focus on advancing Automated Market Making (AMM) and client RFQ pricing capabilities. This role is centred on the design,...

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has shaped QRT’s collaborative mindset which enables us...

**Your new company** A highly regarded technology and quantitative development team is looking to hire a Python Quant Developer to support the design, development and delivery of business-critical trading, pricing and analytics platforms. Working in a fast-paced engineering environment, you will collaborate closely with quantitative analysts, traders and...

Quant Developer – Python **London** Radley James is working with leading quantitative investment firms in London that are looking to hire experienced Python-focused Quant Developers to join their front-office technology and quantitative development teams. These roles sit close to Portfolio Managers, traders and quantitative researchers, building...

Referment is working with a UK wealth technology company whose platform is used by financial advice firms to manage portfolios, custody, execution and reporting for their clients. Everything on the platform is built by an in-house engineering team, and the business operates in a regulated financial services environment where reliability and security...

**Role: Desk Developer (Excel / Pricing Support) – Mid-Level** **Client:**  European Investment Bank **Location:**  London / Hybrid **Contract:**  Permanent **Overview:** We are supporting a leading European investment bank in hiring a mid-level Desk Developer to work closely with Front Office trading team, Interest Rate Desk. The role focuses on...

We are hiring for **Full Stack Developer (Python/React/Flask) (Public Sector/Civic Tech)** **Location: Hybrid London Or Croydon** - Strong expertise in Back End development using Python and the Flask web framework. - Should have expertise in full-stack web application development and Hands-on Front End development experience using JavaScript and React. -...