Position: Principal Software Engineer
Category: Lead
English level: upper
Years of experience: 11

Increased MRR by 30% in one quarter by doing a bit of developer marketing in addition to just programming.

Sped up the Nokogiri gem twice with the help of 
Mike Dalessio.

Sped up releases by 3 hours and freed up 1 TB in production.

Introduced webpack, Babel, linters, unit, and visual regression testing.
Programming for 10 years. Focus on performance and maintainability.

Interested in Vlang, Rust, and ML.
Useful product. Ability to test my ideas.

Tools don't matter if the problem is right.