Stepan Fedorko-bartos
Chief Executive Officer at CSFloat Inc.
Canada
Summary
👤
Senior🎓
Top SchoolStepan Fedorko-bartos is a technology leader and CEO with 10 years of experience building high-scale systems and marketplaces, currently leading CSFloat’s architecture and tooling for a digital gaming-asset platform serving over 1M monthly users and $100M+ in transactional volume. Previously at Google he specialized in privacy-centric research tooling and multi-petabyte data engineering, driving cost-saving query and storage optimizations and prototyping data-collection systems that informed major revenue initiatives. He combines hands-on backend engineering with product and cross-functional leadership, from UX to legal and support, and is comfortable operating at both systems and business levels. An active open-source contributor, he added YubiKey two-factor and NFC support to the popular Vaultwarden Rust server, demonstrating practical security expertise beyond his corporate work. He studied Computer Science at the University of Calgary and has a track record of turning complex data and scaling challenges into production-ready, impactful solutions.
10 years of coding experience
4 years of employment as a software developer
Bachelor of Science Computer Science, Bachelor of Science Computer Science at University of Calgary
English
Github Skills (9)
two-factor-authentication10
rust10
api10
apidoc10
security10
rocket9
vaultwarden8
docker4
dockers4
Programming languages (7)
Github contributions (5)
dani-garcia/vaultwarden
Nov 2018 - Nov 2018
Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 2 PRs, 1 comment in 2 days
Contributions summary:Stepan implemented Yubikey two-factor authentication support, adding significant security features to the Vaultwarden server. They integrated Yubico's API for OTP validation and enabled users to register and manage Yubikey devices. The user also added the ability to configure a custom Yubico OTP server and made changes to enable NFC support on mobile logins. Furthermore, the user addressed code style and ensured the necessary environment variables were configured for Yubikey functionality.
bitwarden-rsrustvaultwardendockerrocket
Step7750/ScheduleStorm-Server
Sep 2016 - Mar 2018
University Schedule Generator Server Files
Contributions:91 commits, 3 PRs, 76 pushes in 1 year 5 months
schedule-generatoruniversity-scheduleserver-generatorschedule
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.