Senior Python Engineer - Systematic Trading & Analytics - Selby Jennings

eFinancialCareersLondonreedpublished 09/30/2026
Must-have:Python

Responsibilities

  • Design, develop and maintain production-grade Python applications.
  • Build scalable infrastructure supporting large datasets and analytical workloads.
  • Develop software used for financial analytics, research and investment decision-making.
  • Partner closely with quantitative researchers and investment teams to deliver technical solutions.
  • Drive improvements in system architecture, reliability, scalability and performance.
  • Own projects throughout the full software development lifecycle.
  • Contribute ideas, technical leadership and engineering best practices across the team.

Requirements

  • Strong software engineering background with significant commercial experience, ideally gained within a hedge fund, asset manager, proprietary trading firm, investment bank or financial technology environment.
  • Expert-level Python development skills with a proven track record of building complex, large-scale production systems.
  • Experience developing data-intensive platforms, analytics infrastructure, market data, pricing, research or quantitative technology applications.
  • Strong understanding of software architecture, system design and engineering best practices.
  • Exposure to options, derivatives, volatility markets or quantitative investment environments, with the ability to engage effectively with researchers, traders, portfolio managers and quantitative teams.
  • Experience building technology that supports financial analytics, systematic trading workflows or quantitative research processes would be highly beneficial.
  • Excellent communication skills and the ability to work effectively with both technical and non-technical stakeholders.