Tomasz Mazur
Senior Software Developer at TRiX
Oregon, Poland
Summary
🤩
Rockstar🎓
Top SchoolTomasz Mazur is a Senior Software Developer with 16 years of experience building and optimizing web applications for startups across the US and Europe while working remotely since 2007. He specializes in Ruby on Rails, PostgreSQL, JavaScript, Git and Heroku, and has a strong track record in performance tuning, payment processing, and end-to-end feature delivery. Tomasz has frequently taken senior and lead roles—shaping frontend component libraries, guiding Rails projects, and organizing Poland’s early Ruby/Rails community meetups. His work spans both product-facing features and behind-the-scenes reliability improvements, with hands-on experience in data analysis and reporting. Based in Oregon but rooted in Poland, he blends practical engineering with community-building and a long history of freelance and startup collaborations.
16 years of coding experience
14 years of employment as a software developer
Marketing/Marketing Management General, Marketing/Marketing Management General at Uniwersytet Ekonomiczny w Katowicach
English, German, Polish
Stackoverflow
1,006reputation
330kreached
6answers
0questions
github
top-5%
heroku
top-5%
Github Skills (97)
mvc10
ruby10
vacuum10
activerecord10
ruby-on-rails10
hirefire10
geocoding10
html10
templating-engine10
postgresql-database10
rails10
templating10
buffer10
template-engine10
locks10
Programming languages (5)
Github contributions (5)
defkode/rails-pg-extras-web
Dec 2020 - Mar 2022
UI for rails-pg-extras
Contributions:4 reviews, 37 commits, 10 PRs in 1 year 3 months
ruby-on-railsherokurailsrubyextras
defkode/dataclips
Jan 2015 - May 2021
Contributions:2 reviews, 181 commits, 72 PRs in 6 years 5 months
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.