Senior Front-Office Trading Systems Engineer – London

Sartre Group in London is seeking a Senior Full Stack Engineer to work on its core trading and execution platform. You will build and own front-to-back systems, spanning Java backend and React/TypeScript frontend, used directly by traders and portfolio managers.

The role emphasizes 4+ years of software experience with strong Java and frontend skills, ideally with electronic trading, OMS/EMS, FIX, or order routing background.

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