3–7 years of experience building execution systems or low-latency infrastructure in financial markets Strong proficiency in C# or C++, with an ability to design for performance and zero-allocation Proficient in writing clean, maintainable, and testable code by applying Domain-Driven Design (DDD) and SOLID principles Strong SQL and NoSQL schema design skills; hands-on experience with PostgreSQL&Liquibase or similar databases Experience in message queues, shared memory, memory-mapped files, pipes, sockets, channels Background in either crypto markets or electronic FX algorithmic trading preferred Experience with market data feeds, FIX/REST/WebSocket protocols, and order lifecycle management Solid grasp of concurrency, lock-free design, memory management, and systems-level programming Familiarity with cloud-native architectures (e.g. AWS, Kubernetes, distributed systems) is a plus