IT & Software

C++ Engineer - Low Latency Market Data (Greenfield team)

Selby Jennings

London · England · United Kingdom

We're partnering with a top‑tier quantitative trading firm operating market‑making strategies across global electronic venues. The team is building a greenfield tick‑data and market‑data platform optimised for deterministic latency and extreme throughput.

Role

  • Hands‑on development in modern C++23 on performance‑critical hot paths
  • Exchange connectivity, feed normalisation, sequencing, and recovery logic
  • Deep involvement in latency profiling, optimisation, and systems architecture
  • Close work with low‑latency engineers and quantitative teams

Requirements

  • Professional experience writing C++23 in production trading systems
  • Strong background in low‑latency / high‑performance systems
  • Solid understanding of Linux internals, CPU architecture, cache behaviour, memory layout, and profiling tools

Nice to have

  • Direct exposure to market data or HFT environments

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Reference: WJ-766_21961318

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