Matching Engine / Order Book Engineer

Category: Engineering Location: About the Project We are looking for a Matching Engine / Order Book Engineer to build and maintain the core trading engine of a financial exchange. This is a critical systems role where correctness, determinism, and performance directly impact financial outcomes. You will work on in-memory order books, matching logic, sequencing guarantees, and market data streams in close collaboration with the Engineering Manager and backend team. Your Duties: As an Matching Engine / Order Book Engineer you will be responsible for: • Design and implement high-performance in-memory order books and matching logic • Develop deterministic matching algorithms for various order types (limit, market, IOC/FOK, post-only, reduce-only) • Ensure strict event ordering and state consistency under high concurrency • Optimize latency, throughput, and memory usage at microsecond level • Build recovery mechanisms using snapshots and event logs • Handle edge cases such as partial failures, sequence gaps, and corrupted orders • Generate and maintain real-time and snapshot market data feeds • Collaborate with backend engineers on system integration and performance tuning Requirements • 5+ years of backend or systems engineering experience • Strong experience with C# and .NET (9+) • Prior experience in trading systems, exchanges, or financial platforms • Strong understanding of data structures, algorithms, and concurrency • Experience working with PostgreSQL, Redis, Kafka, and RabbitMQ • Ability to build deterministic, high-throughput systems • Strong problem-solving skills and attention to correctness • English proficiency at B2 level or higher • Willingness to occasionally visit the office for team collaboration during certain periods is required Details Apply tot his job