Tomasz Szymczyszyn
Senior Software Developer at Shopify
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolTomasz Szymczyszyn is a Senior Software Developer based in Krakow with 11 years of hands-on experience building full-stack web applications, primarily with Ruby on Rails. He combines system architecture and backend expertise with frontend skills to deliver polished user interfaces, API integrations, deployment automation and robust testing. At Shopify and multiple startups and consultancies he has led teams, mentored engineers, and driven code review and best practices while focusing on performance profiling and optimization. Comfortable with Docker, CI, Redis and both SQL and NoSQL datastores, he deliberately avoids roles tied to sales, marketing, user tracking or gambling. A technically curious physicist by training, he brings a methodical, test-driven approach and a preference for pragmatic, maintainable solutions.
11 years of coding experience
15 years of employment as a software developer
Master of Science (M.Sc.), Physics, Master of Science (M.Sc.), Physics at Akademia Górniczo-Hutnicza im. Stanisława Staszica w KrakowieAGH University
English
Github Skills (47)
portal10
pycall9
raster9
django9
testing-library9
svelte-testing-library8
react-testing-library8
vue-testing-library8
cypress-plugin8
component-testing8
gdal8
python-functions8
cypress-file-upload8
vector8
sidekiq8
Programming languages (7)
Github contributions (5)
EarlhamInst/brassica
Feb 2015 - Jul 2019
Brassica Information Portal
Contributions:800 commits, 186 PRs, 962 pushes in 4 years 5 months
djangoportal
kammerer/brassica
Oct 2017 - Jan 2026
Contributions:2 pushes, 2 branches in 8 years 5 months
djangoportal
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