Python Developer - Electronic Trading Platform

About the role

A client of Talan, aiming to become a top three contributor in the European ETF market, is investing heavily in its ETF Market Making platform, with a focus on Automated Market Making (AMM) and client RFQ pricing. This Python Developer role is centred on designing, building and delivering a next-generation electronic trading platform serving Europe, the US and emerging markets, and is based in London.

Key responsibilities

• Design and develop core components of the ETF electronic trading platform, focusing on performance, scalability and low latency
• Contribute to end-to-end build and deployment of features across EU, US and global/emerging markets
• Implement enhancements to AMM and RFQ pricing workflows
• Analyse existing trading workflows (blotter, booking, validation chain) and lead the design of the new ETF Blotter within the Edge Board platform
• Build clean data flows between trading systems (ETF Portal, pricing engines, booking systems) and help modernise trading interfaces
• Work closely with traders and quants to capture requirements and deliver in short cycles, with high-quality code, testing and deployment
• Develop reusable frameworks and tools, and improve monitoring, observability and performance tooling

Required profile

• Degree in Computer Science, Engineering or a related field from a top university
• Strong analytical and problem-solving skills, able to work in complex, fast-paced trading environments
• Self-starter with a strong engineering mindset and ownership culture
• Proven ability to design and build production-grade systems

Required skills

• Advanced Python and SQL/data handling
• Client-server and distributed architectures
• Linux/Windows environments
• Front office trading system development, ideally in electronic trading or market making
• Desirable: C++, knowledge of ETF products, RFQ workflows or pricing systems