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🥝 Senior Python Software Engineer, Finance Data Optimization

LSEG | london, United-Kingdom | 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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