Python Developer (Fintech or Capital Markets)

Hiring: Python Software Engineer | London | 4 Days On-Site

I’m working with a leading financial markets and trading technology organisation that is looking for a Python Software Engineer to join its engineering team in London.

You’ll help build and enhance critical market infrastructure, including data pipelines, event streaming platforms, and real-time systems that support high-volume trading environments.

What you’ll be doing:

• Building reliable, scalable Python applications and services
• Designing and enhancing data pipelines and event-driven architectures
• Working closely with product, commercial and engineering teams to deliver new features
• Contributing to system design, R&D initiatives, and technology improvements
• Troubleshooting complex technical and operational challenges
• Participating in production support and continuous improvement activities
• Solid understanding of algorithms and data structures
• Strong SQL skills and experience writing complex queries
• Commitment to writing clean, maintainable, and testable code
• TDD, BDD, or other testing methodologies

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