senior python engineer jobs in London

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...

DescriptionWe have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology...

A leading Fintech company in London seeks a Software Engineer to join their technology team. This role involves designing scalable Python-based tools and enhancing internal platforms that support high availability and reliability. Required skills include expertise in Python, Linux systems, and observability tools like ELK Stack and Grafana. A Computer...

Senior Python Engineer I am delighted to be working with a series-funded and revolutionary AI SaaS platform, based in London, looking to grow its engineering team with a Senior Python Engineer. My client works on a hybrid model with 1 day in the office with the engineering team but you are more than welcome to come in for 2 or 3 days a week in their modern...

Version 1 has celebrated over 26 years in the IT industry and continues to be trusted by global brands to deliver IT solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. Innovation Partner of the Year Winner 2023 Oracle EMEA Partner Awards, Global...

Senior Python Engineer Key Responsibilities Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects. Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality features. Lead code reviews and technical discussions, and contribute to architectural...

An AI Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections to their clients'...

Backend Software Engineer / Developer (Python LLM) Remote UK to £90kAre you a backend focussed Software Engineer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack?You could be joining a scaling AI software solutions provider in a senior, hands-on role.As a Backend Software Engineer you will build production...

Data Engineer (Python SQL Spark Azure Databricks) London to £160kAre you a tech savvy Data Engineer with a first class education? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. What's in it for you:Salary to £160kSignificant bonus earning potentialFund performance...

Python Software Engineer / Developer (Agentic AI) London / WFH to £65kWant to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks?You could be progressing your career as a Python Software Engineer...

A tech-driven financial services firm is looking for a Senior Engineer to lead the technical execution of projects. You will mentor junior developers and collaborate with teams in operations and finance to design innovative solutions. The ideal candidate has at least 8 years of experience in software development, strong proficiency in Python, and a proven...

Cognizant is seeking a Python Engineer to design, build and enhance the Digital Onboarding Service within the client API Platform. You will work with the Lead Engineer in an Agile team to deliver high quality, scalable features.You will develop RESTful APIs and microservices in Python (FastAPI/Flask), using serverless and containerized AWS architecture...

Wintermute is seeking an Infrastructure Engineer to own and optimise our mixed physical and virtual compute landscape in a hybrid London/Singapore setup. You will lead network and server infrastructure enhancements, while developing automation solutions in Python and collaborating with senior engineers.The role demands proactive problem solving, strong Linux...

Job Description Staff Product Engineer | London Hybrid / Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k–£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful automation for decades....

Backend Software Engineer / Developer (Python Rust C++) Cambridge to £80k Do you have strong backend software development experience? You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alongside a team of friendly and supportive...

ExTrac, a decision intelligence company, is seeking a Senior Software Engineer to build and operate backend microservices, APIs, and data pipelines at scale. You will work across Go and Python services, databases, and cloud infrastructure, collaborating with AI, frontend, analysts, and product teams to deliver robust, high-throughput systems.You will own...

Hudson River Trading (HRT) is a quantitative trading firm at the forefront of technological innovation. We build and deploy cutting-edge systems within one of the world's most advanced computing environments to power our global trading operations. Our bottom-up approach to projects and collaborative coding environment empower talented engineers to make...

Python Software Engineer / Developer London / WFH to £80kDo you have strong backend Python software development experience?You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alongside a team of friendly and...

Lead Software Engineer / Developer (Python FastAPI Azure Databricks) London / WFH to £110kAre you a backend focused Software Engineer with strong Python skills combined with technical / team leadership experience?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses...

Salary: up to 200k + bonus Summary Leading HFT fund looking for an experienced Production Reliability Developer to join their London office. This is a high impact role where you will be responsible for the technical support of the direct trading environments during European hours, including daily start-up of the US trading environment. You’ll provide...