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The Role:

  • Shape the technical direction of the Switchboard trading platform while writing excellent code.
  • Work on the most performance-critical components: pricing engines, connectivity gateways, and market-data systems.
  • Own the full lifecycle from design through operational excellence, including production support.

What You'll Work On:

  • Modern C++20 and Go on Linux with cloud-native infrastructure on AWS.
  • Microsecond-level latency optimization and high-throughput messaging.
  • FIX protocol integrations with global banks and liquidity providers.

What We Need:

  • Strong C++ with Linux systems programming, 5+ years experience.
  • Proven track record of optimizing complex, latency-sensitive systems.
  • Deep understanding of distributed systems architecture and network protocols.

What You Get:

  • Real problems in trading systems where performance is measured in microseconds.
  • Technical influence on architectural decisions and platform direction.
  • Excellent team of senior engineers who care about craft and collaborate openly.

Reactive Markets

Reactive Markets is the 2026 OTC Trading Platform of the Year, handling over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency. Our engineering team is small, senior, and deeply invested in building cutting edge, reliable, high-performance systems.

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