Sergei Gribovskii
Freelance Software Developer at Selfemployed
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolSergei Gribovskii is a freelance software developer based in Berlin with 14 years of hands-on experience building and leading Ruby/Rails and full-stack teams across startups and scale-ups. He has held technical lead and senior developer roles at finleap connect, Movinga, Wimdu and others, and founded ExpaFlat, combining product instincts with deep implementation skills. Comfortable shifting between individual contributor work and team leadership, Sergei has a track record of improving conversion and API systems as well as running end-to-end projects for payment and SaaS domains. His academic background in Applied Mathematics and Cybernetics informs a pragmatic, data-minded approach to architecture and optimization. Since 2019 he has been delivering freelance engagements, focusing on reliable, maintainable systems and helping companies iterate faster. A restless learner motivated by “be better, grow up and make world happier,” he prefers direct technical collaboration over traditional recruiter-led hiring.
14 years of coding experience
10 years of employment as a software developer
Pre-Intermediate General English, English Language and Literature, General, Pre-Intermediate General English, English Language and Literature, General at Regency School of English (3 weeks, Ramsgate, England)engineering and mathematics, Applied Mathematics and Cybernetics, engineering and mathematics, Applied Mathematics and Cybernetics at Московский Авиационный Институт (Государственный Технический Университет) (МАИ)
Русский, English
Stackoverflow
576reputation
35kreached
28answers
24questions
Github Skills (152)
declarative10
paypal10
checkout10
javascript10
api10
payment10
netsuite10
rails-api10
typescript10
nodejs10
mongodb10
user-interface10
frontend10
react10
ruby9
Programming languages (10)
Github contributions (5)
fr33z3/semantic_navigation
Dec 2011 - Mar 2015
Simple navigation menus implementation for Rails 3 application with multiple and nesting menus.
Contributions:193 commits, 17 pushes, 8 tags in 3 years 3 months
nestingrailsrubynavigation-menusnested-menus
elyseewing/Pluralizer
Jul 2017 - Apr 2021
A Ruby gem for applying basic English pluralization rules to a word
Contributions:2 PRs in 3 years 9 months
twineruby-gemtext-editingorigamirails
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.