Infrastructure Architecture, Unix, C, Linux, Cloud Infrastructure, Memory Management, Multithreading, Scripting, Performance optimization, Deterministic system behavior, Binary protocols, market microstructure, Software-hardware interaction, Object-oriented design

UDP, Tcp, Build Tools, Socket Programming, Fix Protocol, Jenkins, configuration management, binary exchange protocols, multicast market data, continuous integration environments, automatic failover, low-latency optimization techniques, large-scale distributed systems, high-availability