Senior Python Software Engineer, Finance Data Optimization

LSEG
📍 london, england, United-Kingdom 💼 Full-time 🕒 Posted June 20, 2026

Job Description

LSEG is seeking a mid-level software engineer to join the Optimisation CoreTech Strats team in London. You will contribute to building systems that power large-scale optimisation runs for global financial institutions and collaborate with colleagues to enhance infrastructure and applications.

The ideal candidate has 3-6 years of experience in software engineering, strong Python development skills, and familiarity with trade booking systems. Benefits include healthcare, retirement planning, and wellbeing initiatives.

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Job Details

  • Location london, england
  • Job Type Full-time
  • Category IT & Technology
  • Posted Date June 20, 2026
  • Application Deadline July 30, 2026