Senior C++ Low-Latency DeveloperTT

We are looking for a Senior C Low-Latency Developer.

Fully remote 12-month contract convertible to full-time. Pipeline is currently empty no progressed-candidate signal exists yet so this brief is domain-derived rather than a mirror of previously liked profiles.

A senior hands-on C engineer (6 years) who writes the low-latency hot path for automated/electronic trading. Modern C C17 minimum C20 preferred. Ideally direct market-data experience (feed handlers ticker plant FIX order book).

Location: United Kingdom (remote) Netherlands (remote) France (remote)
Employment Contract: 12 months convertible to full-time by mutual agreement
Seniority: Mid-Senior Level (6 years)
Core stack: C (C17 min C20 preferred) Low Latency Market Data HFT
Visa: No sponsorship discussed candidate must already hold right to work in UK/NL/FR.

Required
Senior C specialist with genuine low-latency experience (C20 ideal C17 minimum)
Background in traditional trading firms hedge funds or investment banks
Based in UK (primary) Netherlands or France not Poland (market proven too thin/rejected on country and bar never on rate)
Comfortable with fully remote work; open to a 12-month contract structure (converts to full-time after 12 months by mutual agreement)

Lean Toward
Direct market-data / feed-handler / electronic-trading experience
Tick-to-trade lock-free kernel-bypass (Solarflare/Onload DPDK) NUMA / cache-aware design
FIX exchange connectivity order-book / ticker-plant smart-order-router
Employer pedigree at a prop shop market-maker HFT IB e-trading desk or systematic hedge fund