Konstantin PestekhinI own the technical side of a project end to end — from architecture and the team to production and alerting. I launch systems from scratch, move products to a new stack, run technical audits and find weak spots before they turn into incidents.https://pestekhin.com/Java virtual threads: where they help and where they don'thttps://pestekhin.com/en/blog/virtual-threads-in-practice/https://pestekhin.com/en/blog/virtual-threads-in-practice/What virtual threads actually give a backend service, why they don't make code faster, and which bottlenecks remain: pinning, connection pools, ThreadLocal.Tue, 27 Oct 2026 00:00:00 GMTjavaconcurrencyperformance