Python Software Developer jobs in London

JPMorganChase

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

B2C2

A leading digital assets firm based in London is seeking a Python Developer to join their dynamic team. You will collaborate across multiple teams, developing efficient applications and enhancing in-house libraries. The role requires at least a year of Python development experience, knowledge of SQL

DGH Recruitment

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 A

Citi

Python Developer - FX Options Pricing and Market Data DistributionThe 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 data an

ClearRoute

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, a

Luxoft

Project descriptionLuxoft is initiating the development of a new Python‐based application designed to support the marketing department with automated generation of both short‐form and long‐form content. The solution will leverage advanced natural language processing capabilities to streamline conten

Join the Future of Technology with ZILOTM At ZILOTM, we're redefining what's possible in technology. ZILOTM is the UK-based FinTech specialising in global asset and wealth management software, designed to scale and transform businesses of all types using our own developed AI Technology. Our mission

ITRS

About ITRSRecognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry‐leading solutions. Our mission is to make society's critical technology work via automated & holistic IT observability solutions that safeguard critical applications and enable innovation. With our p

iO Associates

Remote with very occasional client visits 3-month contract, potential for extension Our client, an established and successful Consultancy are looking for a number of experienced Developers to join them on a contract basis With head offices in the north of the UK and branches spreading across the glo

Rex Technologies GmbH

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

Thyme

A Fintech organisation in London is seeking a Python Developer to contribute to the next iteration of their platform. The ideal candidate will have proficiency in Python and Django, as well as 1-2+ years of relevant experience. Responsibilities include coding, collaboration with teams, and contribut

CGI

This job is with CGI, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Developer - Salesforce Position Description As a Senior Salesforce Developer at CGI, you'll help clients

Jack & Jill/External ATS

Job TitleJunior Software Developer Company DescriptionJoinkyber.com – Pre‐seed EF Fall 2025 AI startup Job DescriptionAs the first engineering hire at Kyber, you will build the real‐time AI decision‐making platform that orchestrates airport ground operations. You will develop fault‐tolerant agentic

Hastings Direct

A digital insurance provider in the UK is seeking a Software Developer to maintain and enhance live pricing code within the Alternative Pricing Department. The ideal candidate must be detail-oriented, confident in their coding skills, specifically in Python, and able to manage multiple deployments i

Addition Solutions Ltd

A leading technology firm in the UK is seeking a Software Engineer to join their expanding team. You will be involved in designing and maintaining modern software solutions, working collaboratively on front-end and back-end development using React, Java, Python, and cloud platforms like AWS or Azure

J.P. Morgan

A leading financial services institution in Greater London is seeking a Lead Software Engineer to design scalable technology solutions that support business goals. You will work in an agile environment, developing high-quality production code and collaborating across functions to ensure compliance a

JPMorgan Chase & Co.

A leading financial services firm in Greater London seeks a Lead Software Engineer to drive the design and delivery of innovative technology solutions. You will be part of an agile team, directly impacting client services and business success. The ideal candidate will hold a Bachelor's Degree in Com

Citigroup Inc.

A leading global bank is seeking a GenAI Security Engineer to design and optimize AI/LLM-based application security. The role involves building a security testing framework and collaborating with cross-functional teams to enhance security capabilities. Candidates should have strong programming skill

CFC

A leading insurance company in the UK is seeking a Senior Software Engineer to enhance their Cyber Data Services. You will play a key role in developing data capabilities, building robust APIs, and improving data quality indicators. The ideal candidate has over 4 years of experience in Python and SQ

CBSbutler Holdings Limited trading as CBSbutler

A global defence technology consultancy is looking for a Senior Software Engineer based in Southampton. You will take ownership of software work packages, with responsibility for planning and delivery, while working mainly remotely. The role requires proficiency in Python, Docker, and AWS, with stro