Backend Developer Python jobs in London

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

Mindrift

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm with high standards who have previously set tech world records. They are made up of some e

We are recruiting a Python Developer for a major energy trader (£200bn T/O). The role is focused on the Digital / Automation space and sits within the Quant Engineering Group. The brief is to develop new and innovative solutions using the latest technologies (LLM, IDP) for the Finance, Risk, Treasur

Insight Global is searching for a Sr. Backend Engineer to join the team of our largest entertainment streaming clients. This person will join the senior level team that works on the company’s multiple partnership platforms focused on search and discovery features, billing, payment, and viewing. This

E-Trading Quant Developer (C++ / Python) – Rates / FX / Equities Leading Hedge Fund | London Compensation: Highly competitive We are hiring an E-Trading Quant Developer into a high-performing systematic trading environment within a leading global hedge fund. This is a front-office role focused on re

Robert Half is recruiting for a Python/Quant Developer - Investment Management/ Funds experience role for a 12 Month contract. This role is a 12 month FTC ROLE: Python/Quant Developer LENGTH: 12 Months FTC LOCATION: on site to start then 4 days a week. PAY: FTC The Role We’re working with a highly r

We are seeking a senior Java Backend Developer with expertise in complex projects with AWS infrastructure What difference will you make? You will help taking to the market a unique system to preserve information from biases What are we looking for? Qualifications Strong proficiency with application

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm with high standards who have previously set tech world records. They are made up of some e

Back End Developer Placement Programme We're working with a leading UK tech talent accelerator and CompTIA Gold Partner on this exciting opportunity. This programme is specifically designed to bridge the UK skills gap by transforming ambitious beginners into industry-ready developers through intensi

Durlston Partners

A leading global hedge fund is seeking a Python/Golang/Rust Developer for their Digital Assets arm, offering up to £200k base salary plus bonus. The role involves maintaining existing systems and enhancing data analytics capabilities. Ideal candidates will have strong programming skills and a willin

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

Role: Python Backend Developer Skills: Python, Pydantic, PostgreSQL, Numpy, Pandas, Model: Hybrid Salary: up to £50,000 - 65,000 A Python Backend Engineer is needed to join growing software house in London who specialise in helping businesses reduce wasteful processes, costs and energy; and improve

E-Trading Quant Developer (C++ / Python) – Rates / FX / Equities Leading Hedge Fund | London Compensation: Highly competitive We are hiring an E-Trading Quant Developer into a high-performing systematic trading environment within a leading global hedge fund. This is a front-office role focused on re

Title : Python Developer Client : Elite Multi-Strat Fund Location : London (hybrid) £££ : Up to £160,000 Starting Base + Bonus + Benefits The Opportunity: We're looking to add a high-impact engineer to a small, specialised team responsible for the real-time risk and trading data platform that powers

Python Developer | £50 - £60 per hour We're working with a leading global financial technology partner at the forefront of Equities Derivatives innovation on this exciting opportunity. This is a high-impact role within the fastest-growing area of Equities Derivatives Technology, focusing on the soph

About Lendable Lendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start: One of the UK’s newest unicorns with a team of just over 700 people Among the fastest-grow

We are seeking an experienced Python Developer to join a high-profile, fully funded two-year initiative. As part of a critical engineering programme, you will support core delivery streams, remove bandwidth constraints, and help drive momentum toward key 2026/2027 milestones. What You'll Do You'll d

Core Developer (Python) - Algo Trading Firm - London - Up to £350k+ TC (DOE) One of London's most impressive Algo Trading firms is looking for Engineering Wizards to join their team in London. Having arguably one of the best technology teams in the world, the firm is in a stage of hypergrowth, looki

We are seeking Mid to Senior level Python Developers to join our clients back-end development team. This is a varied and challenging programming role working with AI Engineers to analyse huge data sets ,or writing Restful APIs in Django to support the React front end. You will need to lead projects