REQUIREMENTS: * Strong experience with Golang (production systems) * Solid understanding of concurrency, synchronization, and memory model * Experience building high-load / low-latency systems * Knowledge of network protocols (HTTP, TCP, gRPC) * Experience with profiling and performance optimization * Understanding of distributed systems fundamentals * Experience with Linux environments
WILL BE A PLUS: * Experience in AdTech / VAST / RTB * Knowledge of ClickHouse, Redis, Aerospike, or similar high-performance data stores * Experience with custom queues, worker pools, and ring buffers * Familiarity with VAST, OpenRTB, OMID * Experience with Kubernetes / Docker * Understanding of network and kernel-level performance tuning
RESPONSIBILITIES: * Design, develop, and maintain high-load backend services written in Golang * Build low-latency, high-throughput systems for real-time advertising (RTB, SSP, DSP components) * Optimize performance, memory usage, and GC behavior under heavy load * Work with concurrent and asynchronous systems (goroutines, channels, atomic operations, lock-free / low-lock structures) * Design and maintain APIs (gRPC / HTTP) * Participate in architecture decisions and performance reviews * Analyze production issues using profiling and tracing tools (pprof, metrics, logs) * Collaborate closely with product, DevOps, and data teams
WE OFFER: * Competitive salary * Friendly atmosphere and goal-oriented colleagues * Comfortable working space and rest area * Paid vacation (20+ working days per year) and sick leaves * Corporate English classes * Medical insurance
