Fionics
The Netherlands / Global
The Netherlands / Global
Senior C++ Engineer — Trading Systems
Amsterdam · On-site · Full-time
We're hiring a Senior C++ Engineer for a leading Amsterdam-based HFT firm. A global market maker known for ultra-low latency systems, proprietary technology, and best-in-class infrastructure.
This is a role where nanoseconds matter and your code has a direct, measurable impact on trading performance. You'll work alongside traders, quants, and researchers in a deeply technical environment with real ownership and short feedback loops.
What you'll do
Build and optimize performance-critical trading infrastructure
Work across modern C++ (17/20), Linux internals, and networking
Own systems end-to-end: design, build, measure, optimize
Collaborate directly with the desks your code serves
What you'll bring
Strong production experience with modern C++ (17+)
Deep systems programming and networking fundamentals
Track record optimizing for low latency and performance
Solid Linux and multithreaded programming background
Nice to have
HFT, market-making, or ultra-low-latency production experience
Python, FPGA, or hardware acceleration exposure
Competitive programming or CTF background
The package
Top-of-market base salary plus performance bonus
Relocation support for the right candidate
Amsterdam, on-site (no remote)
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The Netherlands / Global
The Netherlands / Global
The Netherlands / Global
The Netherlands / Global
The Netherlands / Global
The Netherlands / Global