Company: Janestreet
Location: London
Job Description:
Jane Street in London is seeking an engineer with a focus on low-level systems programming and optimisation for our ML team. You will optimize performance of models during training and inference across large-scale systems.
The role emphasizes real-time, low-latency inference, high-throughput research workloads, and a whole-systems approach from GPUs to storage and networking. Fluency in English and curiosity about finance are valued traits.
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Posted: October 21st, 2026