Senior Python Developer jobs in Waltham

Quant Developer – Python - Equity Derivatives - Systematic Trading Orbis are partnering with one of the world’s most recognised multi-strategy Hedge Funds as they build out their Systematic Trading capability. As part of this exciting new development, they’re looking for a Quant Developer with excep

eFinancialCareers

We are hiring a skilled back-end Python Developer to join a high-performing technology team at a top-tier investment bank. You’ll be instrumental in delivering a greenfield system monitoring and performance analysis tool for global trading platforms – a solution that will provide critical insights i

Senior Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design,

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhan

Robert Half Technology are assisting a market‑leading financial services organisation with the recruitment of a Junior Python Developer on an initial 12‑month FTC. The role will primarily support a Python and SQL‑based reporting and analytics suite used by operations and investment teams, while also

Date live: 16/04/2026 Business Area: Corporate Digital Banking Area of Expertise: Technology Contract: Permanent Reference Code: JR-0000079083 Embark on a transformative journey as a Software Engineer/Python Developer . At Barclays, our vision is clear – To design, develop and improve software, util

Full Stack Developer / Engineer (Python Django Flutter Go AWS) London to £90k Are you a full stack technologist who enjoys working on Greenfield apps? You could be progressing your career at a tech scale-up that are enjoying great success with their AI workforce optimisation software that connects f

Noir

Graduate / Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate / Junior Developer, Python, JavaScript, PHP, Graduate / Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client

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

Responsibilities Automation and Scripting: Develop, audit, and maintain Python scripts for automation of deployment, configuration, monitoring and various tasks. Assist in documentation and help in understanding the functions of the currently deployed python scripts. Implement and manage CI/CD pipel

eFinancialCareers

We’re seeking a talented Full Stack Python Developer to join our growing technology team at a leading investment bank. You’ll play a key role in designing and building a greenfield application from the ground up that will monitor and analyse the performance of trading systems. This is a unique oppor

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. We take

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. We take

Noir

Graduate / Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over t

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

Python Developer | Energy Trading House - Greenfield Python Front Office | £65,000 + Bonus + Benefits | London Hybrid Python Developer is required by a leading Energy Trader to support the front office of their hedge fund division. This is a quite unique opportunity because it is one where you will

Quantitative trading firm is looking to hire a Junior Cyber Security Python Developer to join a high-performing security engineering team within a leading technology-driven environment. This is an excellent opportunity for an early-career engineer with strong Python skills and an interest in cyberse

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

Python Developer London – Twice a week in the office £70,000-£80,000 I’m currently working for a Central London based tech consultancy of over 70 years who are looking for a Python Developer to come and join their growing team on a hybrid basis! The company is a serial award-winner and provide consu

Python Developer Location: London Employment Type: Onsite About the Role We are looking for a skilled Python Developer to join our UK team. In this role, you will be responsible for designing, developing, and maintaining scalable Python-based applications and services that support enterprise and dig