python developer jobs in London

Python Developer (Data Applications and AI Engineering) Contract: 6 to 12 months (longer term available at a lower day rate)| UK based, fully remote | Outside IR35 | Start ASAP My client, a specialist consultancy within Data and AI is looking for a hands on Python developer to join its data science team, working with a client to build data applications and...

Python Full Stack Developer – React70,000 Get React Experience.Quant Capital is urgently looking for a Python Full Stack Developer to work for our high profile client.Our client is a well known global Quantitative risk management and market data businessThe Developer is responsible for contributing to the development of financial analytic applications and...

Experienced software engineer with strong Python development skills and a solid understanding of cloud-native architectures. Responsible for designing, building, testing and operating scalable applications and APIs, while maintaining the AWS infrastructure and CI/CD platforms that support them.The role combines hands-on software engineering with cloud and...

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...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

Senior Python Developer / Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands‑on role at an early stage AI start‑up within the beauty space? As a Senior Python Developer you'll focus on building backend services and FastAPIs using Python as well as integrating LLMs and payment systems into...

Global Investment Banking Client is seeking a talented Python developer to join a cross-functional team delivering strategic and tactical solutions for Global Markets, Capital Markets, and Treasury. As a senior developer, you will contribute design, analytics, development, testing, and application programming to solve complex business problems within an...

A leading legal consulting firm in London seeks a Python Developer specializing in AI and automation. The role requires extensive experience in Python and API development, as well as familiarity with Azure technologies. Candidates should be skilled in designing automation workflows and integrating AI solutions into existing processes. This is a full-time...

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...

Salary: paying up to £250k + bonusSummary One of the world’s largest hedge funds using innovative and cutting-edge technology, where data is fundamental to the investment process. Central Risk is a key initiative for the firm, and this Quant Developer role offers the opportunity to design and build a next-generation risk platform across businesses and...

Contract Role, Hyrbrid/London, Inside of IR35, 400-500 PD 6 months We are seeking a senior and experienced GenAI & Agentic Developer to build core services, features and capabilities on an enterprise-grade Generative AI Platform for a large global insurer. This role blends strong Python engineering with DevOps enablement and hands-on integration of LLM...

Backend Developer (Python)6 MonthsLondon (Hybrid)£550-650 per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high-performing engineering team within a global financial services environment. The...

OverviewQuantitative Developer | Structured Finance | VP / Director Level — A fast-growing London-based investment firm at the cutting edge of fixed income and structured credit is looking for a quantitative developer to join a small, highly technical team building proprietary pricing and risk infrastructure from the ground up.This is a hands-on role with...

Citigroup Inc. in London seeks a Senior Developer for Counterparty Credit Risk. You will develop and maintain the ACE production application using Python and C++ libraries, partnering with Quant and Front Office tech teams to integrate pricing models and workflows.Responsibilities include improving CI/CD, optimizing performance across asset classes,...

Job Purpose About RWS   Our proprietary technology, 45+ AI patents and human experts help organizations bring ideas to market faster, build deeper relationships across borders and cultures, and enter new markets with confidence – growing their business and connecting them to a world of opportunities.  It’s why over 80 of the world’s top...

eFinancialCareers is seeking a quantitative software developer to build and maintain in‑house pricing libraries in C++ and Python, while advancing the toolbox with new algorithms and numerical techniques. You will work on multi‑threaded servers delivering data to traders and users across multiple markets.You will collaborate with traders, quants,...

Looking for a role with plenty of growth opportunities?Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT service providers. With an international presence across multiple countries, the company has built a reputation for...

Location: London / Hybrid Working Pattern: 12MFTC / Full Time Grade: 4 Pharmaceutical Press (PhP) is the knowledge business of the Royal College of Pharmacy. We’re the world leaders in evidence-based pharmaceutical publications and guidance. Pharmacists and other healthcare professionals trust us to provide expert analysis, educational support, webinars,...

Across Commodities and Global Markets, data is fundamental to how we trade, price, manage risk and make decisions. It flows through market feeds, cloud platforms and specialist systems, each serving different needs across the business. But having sophisticated data platforms is only part of the equation. When decisions are time-sensitive and carry...

Global Hedge Fund | London | Exceptional Compensation and Technology Environment We are seeking a highly technical Python Developerto join the central Risk team at one of the world’s leading, most technologically sophisticated hedge funds. We can only consider candidates from Hedge Funds, proprietary trading firms, or investment banks with significant...