Vladyslav Trotsenko is a senior backend engineer based in Barcelona with nine years of professional software experience and a strong sysadmin foundation. He has progressed from infrastructure and web development roles into senior and tech lead positions across companies like Zendesk, Capgemini Engineering, and P2H, and recently joined Kantox. Passionate about Ruby and Go, he contributes to open-source tooling—most notably initiating the structure, testing, and CI for the Truemail Ruby gem that implements robust email validation via regex, DNS and SMTP checks. Vladyslav combines pragmatic engineering with operational rigor, regularly applying configuration validation and automated CI/CD practices to improve reliability. Colleagues know him for turning validation-heavy backend challenges into well-tested, maintainable solutions and for bringing an operator’s mindset to software design.
9 years of coding experience
20 years of employment as a software developer
Expert, Expert at Dnipro Radiotechnical College
Bachelor's degree, Bachelor's degree at The National University of Information and Communication Technologies of Ukraine
🚀 Configurable framework agnostic plain Ruby 📨 email validator/verifier. Verify email via Regex, DNS, SMTP and even more. Be sure that email address valid and exists.
Role in this project:
Back-end Developer
Contributions:85 releases, 5 reviews, 217 commits in 3 years 11 months
Contributions summary:Vladyslav's primary contribution was the initial setup and configuration of the Truemail gem, including initialization of the gem structure, RSpec testing, linters, and CI/CD configuration using CircleCI. They implemented a configuration class with argument validation, which established core settings for email verification. Further development included the implementation of validator and result classes, as well as integrating core validation functionalities, such as domain list matching.
Simple Rails RESTful API with Trailblazer and friends.
Contributions:8 commits, 8 PRs, 75 pushes in 5 months
apirailsrestfultrailblazerruby
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Vladyslav Trotsenko - Senior Software Engineer at Kantox