Quantitative Developer

Quantitative Developer About TankX TankX is a quantitative trading company focused on high-frequency trading and liquidity provision in digital asset markets. We build technology-driven systems that combine software engineering, quantitative research, and real-time market data to operate in global exchanges. We offer a competitive monthly salary complemented by stock options and a profit-sharing model.

What You'll Work On Design and implement latency-critical trading infrastructure from scratch, handling millions of messages per second. Build and optimize high-performance C++ trading engines, focusing on cache-friendly code and lock-free concurrency. Develop and maintain connectivity to global exchanges using WebSocket and FIX APIs.

Write and deploy production-grade code for market data processing and order execution logic. Partner with Quantitative Data Engineers to turn complex trading hypotheses into stable, high-performance production systems. Use profiling tools to identify bottlenecks in the Linux network stack and optimize system performance.

Requirements of the Role Right to work in the UK, as this position is not eligible for visa sponsorship. Bachelor’s or Master’s degree in Computer Science, Electrical and Electronics Engineering, or a related quantitative field (Mathematics double major is a plus) Proficiency in a systems programming language (C and C++), experience with modern C++ is a plus Solid grasp of data structures, algorithms, and concurrency A \"test-driven\" mindset and the ability to write clean, maintainable, and production-ready code Strong debugging and problem-solving ability in production systems Curiosity about financial markets and willingness to learn quickly Preferred Qualifications Prior experience in trading systems, particularly in digital asset markets Experience in network programming Understanding of concurrency and parallelism Good understanding of Operating Systems and Computer Architecture Familiarity with exchange connectivity and market data protocols, specifically WebSocket and FIX APIs Experience building high-performance or distributed systems Experience with Linux network stack for network latency optimizations Academic success or achievements in scientific olympiads, competitive programming contests or mathematics competitions How We Work at TankX Simplicity by design. Our systems are designed to remain lean, maintainable, and reliable, prioritizing clarity and correctness even under tight timelines.

Risk-aware engineering. We incorporate risk awareness into architectural decisions and build fault-tolerant systems with safeguards and circuit-breakers to prevent cascading failures. Ownership and initiative.

Our engineers take responsibility for outcomes and proactively unblock dependencies instead of waiting for direction. Fact-based reasoning. We rely on evidence and clear reasoning in discussions, exchanging feedback openly to reach the most accurate conclusions.

Team-first mindset. We prioritize knowledge sharing and collaboration so the entire team moves faster, not just individuals.