Works on architecture and infrastructure of hh.ru. Ex-team leader of a product team, where he reduced lead time from 38 to 28 days. Tech speaker and writer, HolyJs program committee member

• Launched and set real-time user performance monitoring, errors tracking
• Optimized SSR. Improved 95th percentile of response answer time from 100 to 60ms. Debugged and got rid of memory leaks
• UIToolKit maintainer. It's a system with more than 100 components
• Organized migration from legacy stack to React. Migrated more than 30 pages
• Set up the architectural team planning process
• Created unit tests infrastructure. Code coverage reached 56%
• Lecturer and mentor in HH developers school. Had been the best lecturer for 4 years in a row according to students surveys

• Created a project from scratch. 3 modules: assessment, HR's CRM and admin panel
• Enhanced 85th percentile of team lead time from 38 to 28 days
• Created analytics graphics, ATS (vacancy workflow, candidates discussions, etc.), calendar for HRs (looks like OutLook)
• Two persons from the team became team leaders

• Created new vacancy search on a map and a mobile cv builder
• Made deployment and shipping pipelines for UIToolKit. Reduced the complexity of adding new components to the lib. Became a maintainer of this lib. The number of components in UIToolkit was increased from 3 to 100