Ivan Sinitsin
Builds high-load backend systems and tunes Golang performance at Ozon Tech.
Ivan Sinitsin builds backend systems for large-scale e-commerce. As a tech lead at Ozon Tech, he focuses on keeping latency predictable under massive load. His recent work includes building a high-traffic feature store for a major recommendation engine and designing microservice workflows for warehouse management.
Working primarily in Golang, Ivan focuses on distributed systems and practical performance optimization. He frequently breaks down complex backend challenges, exploring memory allocation pitfalls, garbage collector pressure, and concurrency issues that arise when scoring thousands of products per request in production environments.