Yaroslav Yermilov
Yaroslav Yermilov is a Principal Engineer at Preply. Before that, he spent nearly nine years at Grammarly (now Superhuman), focusing on 0-to-1 projects, taking ideas from concept to production.
In 2025, Yaroslav became one of the early drivers of AI coding adoption at Superhuman, leading the rollout of AI coding agents across the company and building the internal AI coding harness.
He hasn’t written a single line of code manually since May 2025.