Sergey Sein
Head Of Development at Servers.com
Cyprus
Summary
👤
Senior🎓
Top SchoolSergey Sein is a seasoned software leader with 12+ years building backend-heavy web platforms and leading engineering teams, currently serving as Head of Development at Servers.com in Cyprus. He brings deep expertise in Ruby/Rails, PostgreSQL and NoSQL stores, and a polyglot background spanning Python, Perl, PHP and modern JavaScript frameworks like React and Vue. Sergey progressed from hands-on backend developer to technical lead and now head of development, consistently shipping production features and improving developer-facing tooling. He’s an active contributor to the RailsAdmin project where he enhanced the Mongoid adapter and added JSON field parsing, demonstrating a knack for strengthening open-source infrastructure. Colleagues value his blend of practical engineering, long-term architectural thinking, and an ability to bridge legacy systems with modern stacks.
12 years of coding experience
21 years of employment as a software developer
Moscow State Automobile and Road Technical Institute (State Technical University) (MADI)
English, Russian
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (9)
json10
ruby-rails10
rails10
mongodb10
mongoid10
ruby10
testing9
grouping6
php6
Programming languages (2)
Github contributions (5)
railsadminteam/rails_admin
Feb 2014 - Feb 2014
RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits in 2 days
Contributions summary:Sergey contributed to the RailsAdmin project by modifying the Mongoid adapter to enhance its functionality. They implemented changes related to associations, validations, and statement building within the adapter. Furthermore, the user introduced and modified a JSON field type, including the ability to parse JSON strings. These changes demonstrate the user's involvement in improving the core features of RailsAdmin.
railsrails-enginerailsadminrubyactivemodel
linchus/omniauth-gitlab
Jan 2014 - Sep 2022
Strategy for authenticating to your GitLab service
Contributions:26 commits, 14 PRs, 21 pushes in 8 years 9 months
gitlab-cigitlab-apigitlabstrategy
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