Sergey Tsyganov
Full Stack Software Engineer at Eesti Interneti SA | Estonian Internet Foundation
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolSergey Tsyganov is a Full Stack Software Engineer and entrepreneur based in Tallinn with 11 years of experience building web applications and production tooling. He combines hands-on Ruby on Rails and full-stack development with product leadership as founder of Bankwiser and CEO of Codeware OÜ, shipping multilingual consumer-facing services and custom software solutions. At Eesti Interneti SA he develops, documents and automates testing for critical internet infrastructure software, bringing strong discipline in QA and technical documentation. Before software he spent over 15 years as a marine engineer, a background that informs his systems-oriented approach to reliability, safety and maintenance. Comfortable switching between strategic product design and low-level implementation, he frequently turns complex requirements into pragmatic, well-documented solutions.
11 years of coding experience
16 years of employment as a software developer
Master of Science (MSc) in Engineering, Maritime Studies, Master of Science (MSc) in Engineering, Maritime Studies at TalTech – Tallinn University of TechnologyBachelors, Marine Engineering, Bachelors, Marine Engineering at Estonian Maritime Academy (TALTECH University)
Russian, Estonian, English
Stackoverflow
308reputation
26kreached
8answers
5questions
Github Skills (88)
authentication10
ruby10
token-based-authentication10
tld10
api10
html10
rails10
json-api10
openid10
omniauth10
epp10
oauth10
hydra9
auction9
identity9
Programming languages (12)
Github contributions (5)
priit/rubyee
Jun 2015 - Oct 2021
Ruby in Estonia
Contributions:4 commits, 9 PRs in 6 years 5 months
ruby
internetee/hydra
Oct 2023 - Feb 2026
OpenID Certified™ OpenID Connect and OAuth Provider modified for eeID.
Contributions:5 PRs, 7 pushes, 116 branches in 2 years 3 months
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