Seasoned software craftsman and engineering manager. Highly skilled in Elixir, Ruby, and JavaScript. Excellent at coaching and mentoring. Proficient in remote work, including effective leadership. Passionate about engineering best practices, software architecture, distributed systems, and functional programming.
Accomplishments Recap
- Architected and helped to build a custom eSignature service
- Managed to save 200k USD via the designed eSignature solution
- Supervised over 20 software developers spread throughout 3 teams
- Top-10 Elixir mentor: 540 tasks reviewed, 360 students, 210 testimonials
- Joined the Toptal Redesign project and successfully completed it in 5 months
- Conducted more than 300 interviews with developers, team leads, and designers
- Developed a mobile version of the Groupon website as a PWA with offline mode
- Reduced the initial loading size of the JavaScript bundle of Klarna Checkout by 30%
- Improved the cache and sped up server responses from 400ms to 200ms for Groupon.ru
Recommendations Highlights
“He can listen, understand people and provide support, which makes him a decent fellow and a great fit for leadership positions” · “Sergey created a safe environment in the team” · “…made a great effort to make our development cycle a lot better” · “He is great at both giving and receiving feedback” · “I’ve immensely appreciated his honesty and transparency, it makes working together so much smoother” · “His mentorship was truly inspirational” · “His attention to details is second to none—both when it comes to producing the perfect code and the perfect visuals” · “His ability to break down complex challenges into clear, actionable steps” · “…as well as his focus on clarifying and sharing expectations with those around him”