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Full Stack Engineer (React / Python / AI)

Full-Stack Engineer (React / Python / AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help ...

Senior Backend Software Engineer (Java/Python)

Overview We’re a new team operating with startup urgency to create new customer growth. Expect end‑to‑end ownership—rapid experimentation, fast shipping, and leaning in wherever the work takes you, beyond your job title. If you’re ambitious, hard‑working, and excited to build 0→1 against tall amb ...

Senior Python/Django Architect – Client Platform

A leading technology company in Greater London seeks a Senior Engineer to lead architectural design and develop scalable Python/Django services. The ideal candidate will have strong experience in Python and Django, and will mentor mid-level engineers while ensuring high delivery standards. This role rewards a hi ...

Senior ML Platform Engineer — Python & AWS

A leading media organization in the UK is looking for a Senior Software Engineer to join their Machine Learning Enablement Team. The role involves designing and delivering tools that empower data scientists and engineering teams. The ideal candidate will have extensive experience in modern Python development and ...

Senior Backend Software Engineer (Java/Python)

We're a new team operating with startup urgency to create new customer growth. Expect end‑to‑end ownership-rapid experimentation, fast shipping, and leaning in wherever the work takes you, beyond your job title. If you're ambitious, hard‑working, and excited to build 0→1 against tall ambitions, you'll thri ...

Senior Data Platform Engineer | Python & YugabyteDB

A global technology company in London is looking for a Senior Platform Engineer to build and operate a scalable, reliable database platform. The role involves automating processes and ensuring the security and availability of systems. Candidates should have significant platform engineering experience, knowledge ...

Senior Software Engineer Python / hx Renew

Who Are We? Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in ...

Software Engineer II Python AI ML

You’re ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you. As a Software Engineer II at JPMorganChase within AWM, you are part of an agile team that works to enhance, design, and deliver ...

Senior Python Microservices Engineer (GenAI & Agentic)

A forward-thinking engineering consultancy is seeking a Senior Software Engineer specializing in Python to design and build scalable services and APIs for an automated code modernization platform. The role requires strong engineering skills, experience with microservices, and a genuine interest in GenAI. This po ...

Hybrid Python Backend Engineer — GenAI & Microservices

A progressive engineering consultancy in Greater London is seeking an experienced backend developer to design and build scalable Python microservices and APIs for an automated code modernization platform. This role emphasizes strong software design principles and a genuine interest in generative AI. The company ...

Python/Django Engineer – Client Solutions, Europe

A leading technology company in sustainable energy in London is looking for an engineer to implement and support its global product. The role involves building web applications with Python and Django, working on performance issues, and collaborating with cross-functional teams. Candidates should thrive in fast-p ...

Lead Backend Architect (Python) Scale & Innovation

A global technology business in the hospitality-tech industry is seeking a Lead Backend Engineer to direct the technical vision and architect scalable systems. Applicants should have extensive experience in Python, distributed systems, and cloud infrastructure. This role offers a competitive salary between £95,0 ...

SDET Automation Engineer Python, Playwright, AWS

A leading tech company in Greater London is looking for a Test Engineer/SDET to develop scalable automation frameworks. The ideal candidate will have strong experience with Python, AWS services, and expertise in tools like pytest and Playwright for backend and UI testing. You'll be responsible for designing auto ...

OO Core Python Developer Fixed Income

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international investment bank. This is a core software engineering role focused on building and enhancing production trad ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands‑on role at a fast growing, global Insurance Underwriting technolog ...

London based Exotics Quant Strategist (Python)

A boutique multi-strat hedge fund in London is seeking a Trading Desk Quantitative Researcher to develop pricing frameworks and trading tools. The ideal candidate will have 3-5 years front-office experience in Exotic Derivatives or Credit and a strong educational foundation in a quantitative discipline. Proficie ...

Senior Security Engineer | Python & DevSecOps Lead

A leading FinTech company in Greater London is seeking an experienced Security Engineer to drive automation and DevSecOps in their central office. The role involves shaping the Security team and leading various projects in application and infrastructure security. Candidates should have proven experience in simil ...

Senior Quantitative Developer, Python Alpha Pipeline

A leading financial technology firm in Greater London is looking for a Senior Quantitative Developer to enhance its alpha research pipeline. The successful candidate will utilize over 5 years of Python experience in quantitative finance, contributing to architecture and mentorship of junior staff. The role entai ...

Quantitative Developer (Python) Central Liquidity Strategies

The Central Execution Book (CEB) is a global effort to optimize the firm’s execution across business lines and asset classes. At a high level the CEB seeks to improve execution quality by reducing market impact and controlling information leakage, but the group’s mandate also includes the deployment of the ...

Senior Python & AI/ML Cloud Engineer

A leading global financial services firm is seeking a skilled Software Engineer III to contribute to their Applied AI/ML group. You will engineer and deploy cloud-based frameworks for machine learning models, ensuring high-quality applications using Python and AWS. The ideal candidate possesses strong problem-so ...

Lead Python Front Office Quant Developer

A leading financial services firm in Greater London seeks a Lead Software Engineering - Python. The role involves collaborating with developers, quants, and traders to develop core engines and APIs. Candidates should have a strong background in software engineering and analytical skills, along with a proactive a ...

Senior Python Engineer: APIs & Data Pipelines

A leading fintech company is seeking a mid-senior level Python Engineer in the United Kingdom. In this full-time role, you will develop APIs and data pipelines while collaborating closely with product teams. Ideal candidates will have over 5 years of software engineering experience, strong Python skills, and a b ...

Automation & Reporting Engineer (Node.js/Python) London

A technology and data company in London is seeking a Developer with expertise in Node.js and Python. The role involves developing automation software, collaborating with data scientists, and maintaining data processing solutions. Ideal candidates will have 2-3 years of experience and strong coding practices. The ...

Front Office Python Quant Developer (Contract)

A technology-driven hedge fund is seeking an experienced Python Quant Developer for a 6-month initial contract in the Greater London area. The candidate will lead the transformation of complex Excel/VBA financial models into a scalable Python framework within a cloud-based environment. Required skills include st ...

AI / LLM Engineer (Python) London (243)

London Maven is a market-leading proprietary trading firm allocating internal capital across discretionary, systematic, and market-making strategies. Our collective expertise spans traders, engineers, and technologists, unified by an unwavering dedication to enhance our efficiency as a premier liqu ...

Junior Python Model Developer Insurance Tech

A leading technology platform in insurance is seeking a Python Developer for their Model Development team. This role involves building and maintaining models on the hx Renew platform, working directly with customers and internal teams to solve complex problems. The ideal candidate will have strong Python skills, ...

Software Engineer, Python, Global Delta One

Software Engineer, Python, Global Delta One Job Location London Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional ...

Python Developer, Insurance Analytics (Hybrid London)

A leading insurance consultancy is seeking a Python Developer to join their Insurance Analytics team in London. The role involves developing features for the InsurSight platform, optimizing performance, and mentoring junior developers. Candidates should have strong experience in Python, familiarity with Azure to ...

Python Developer – Fixed Income Trading Technology

Python Developer – Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international investment bank. This is a core software engineering role focused on building and enhancing prod ...

Python Developer – Equity Structured Notes & APIs

A professional services consultancy is seeking a Python Developer to enhance their Equity Structured Notes platform by improving pricing and booking API capabilities. The role involves designing Python services and integrating solutions with trading systems. Strong Python skills and expertise in the Equity Struc ...

Senior Python Developer AI Start Up

My client who are a London based AI Start-Up, fresh of a very successful Seed funding round, are once again looking to grow their Engineering team and are looking for a highly skilled Senior Backend Python Developer to join their team. This is a high-ownership role, where you will be involved in backen ...

Climate Data Backend Engineer (Python, APIs)

A leading carbon data company in Greater London is seeking a Software Engineer to develop and maintain their data platform. The role involves building backend systems and APIs while handling complex datasets, with a strong focus on sustainability. Ideal candidates will have 2+ years of experience in REST API dev ...

Open Source DevOps Engineer (Python/Golang)

A leading open source software provider in the UK is seeking a passionate Software Engineer to drive the development of cutting-edge software solutions. You will work primarily with Python and Golang, contribute to the Linux stack, and enhance infrastructure operations while following agile practices. This role ...

Python Developer FX Options Data Engineer

Python Developer - FX Options Pricing and Market Data Distribution The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a hands‑on role in building o ...

Senior AI Engineer (Python) – Hybrid, London

A technology solutions provider is looking for an AI Engineer with robust Python expertise to help build intelligent, scalable AI solutions. The role requires developing, training, and deploying ML/DL models, and collaborating with diverse teams to ensure successful integration into applications. Candidates shou ...

Python AI Full Stack Developer (LangChain)

An innovative engineering consultancy in Greater London is seeking an experienced Python AI Developer. The ideal candidate should possess strong Python development skills and proven experience with AI agents and microservices. Responsibilities include building AI solutions, mentoring team members, and ensuring h ...

Senior Python Developer for Network Automation

A technology firm in Greater London is seeking a Senior Python Developer to join their Network Automation team. This three-month rolling contract requires in-office presence twice a week, offering £500 per day. The role involves designing and implementing features while ensuring code quality. Candidates should h ...

Python Developer FX Options Data Engineer

Python Developer - FX Options Pricing and Market Data Distribution The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a hands‑on role in building out dat ...

Software Engineer Quant Analytics (Python/React)

A leading hedge fund in Greater London is seeking an experienced Software Engineer focused on Python and React. The role involves designing risk and performance analytics for live portfolios, developing scalable tooling, and managing production systems that ensure optimal portfolio performance. This position off ...

Remote AWS Engineer | Terraform, Kafka & Python

A leading software company is seeking an AWS Engineer to join their remote DevOps team in the UK. The ideal candidate will have excellent cloud knowledge, particularly in AWS, and experience in tools such as Terraform, Kafka, and GitLab. Python proficiency is also required. This role offers the opportunity to wo ...

Python Developer FX Options Data Engineer

For additional information, please review .**Python Developer - FX Options Pricing and Market Data Distribution**The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a han ...

Developer (Node.js/Python/Automation and Reporting)

Developer (Node.js/Python/Automation and Reporting) Department: Engineering Employment Type: Full Time Location: London, UK Reporting To: Prabesh Krishnakumar Description About White Swan Data Technology is ...

Python Engineer, Fixed Income Trading Tech

A leading international investment bank is seeking a skilled Python Developer for their Fixed Income trading technology team. The role focuses on building and enhancing production trading systems, requiring solid experience in Python and the ability to improve system performance. You will be responsible for deve ...

Software Engineer II Python, TypeScript, UI

Join us to shape the future of technology at JPMorgan Chase, where your expertise will help deliver market-leading products. You’ll have the opportunity to work with cutting-edge tools and collaborate with talented teams across the globe. We value your skills and offer a supportive environment for growth a ...

Senior Lead Software Engineer – Python / Java

Join us to shape the future of ESG data and investment analytics. As a Senior Lead Software Engineer, you will set the technical vision and deliver innovative solutions that drive business outcomes. You will collaborate with talented teams across the globe, grow your leadership skills, and make a meaningfu ...

Software Engineer (Python, TypeScript, API) Hybrid

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we ac ...

Lead eTrading Python Engineer — FIX & Automation

A leading technology services company in the United Kingdom is seeking a Python specialist with expertise in eTrading and FIX connectivity. The role involves building systems for automating order execution and integrating with the Trading Technologies FIX gateway. Candidates should have over 10 years of experien ...

Full Stack Developer Roles (Python/React)

Company Description Vitol is a leader in energy and commodities. Vitol produces, manages and delivers energy and commodities, including metals, to consumers and industry worldwide. In addition to its primary business, trading, Vitol is invested in infrastructure globally, with $13+billion invested ...

Full Stack Engineer (React / Python / AI)

Overview Location: London (Hybrid) About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team is small, highly technical, and mission-drive ...

Quantitative Developer: Trading Systems & Strategy (Python)

A leading hedge fund in Greater London is seeking a Quantitative Developer to join their systematic equity trading team. The developer will collaborate with researchers and analysts, working to enhance PnL through the development of robust trading systems. This is a unique opportunity to partner with a prominent ...

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