Karol Michalski
Head Of Development at Medical Tribune Polska Sp. z o.o.
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKarol Michalski is a Head of Development based in Warsaw with a decade of experience building and scaling web applications, primarily using Ruby on Rails and React. He has led full replatforming efforts for an 80-person company, improving scalability, performance and user satisfaction while fostering two independent development teams and an agile culture. Hands-on from requirements to deployment, he blends technical architecture, modular design and stakeholder education to deliver maintainable, extensible systems. Earlier roles span e‑commerce, insurance broker tooling and call-center automation, evidencing a knack for integrating legacy systems and optimizing multi-stage data flows. With a background in biotechnology and early product/sales experience, he brings cross-disciplinary communication skills and a pragmatic approach to engineering leadership.
10 years of coding experience
8 years of employment as a software developer
Licencjat (Lic.) Biotechnology, Licencjat (Lic.) Biotechnology at University of Warsaw
Polish, English
Stackoverflow
11reputation
103reached
0answers
1question
Github Skills (29)
javascript10
shopping-cart10
ecommerce10
open-source10
rails10
ruby10
marketplace10
currency10
oms10
graphql10
cart10
spree10
shopware10
multi-tenant10
docker-compose9
Programming languages (1)
Github contributions (5)
karol-the-guy/email_adress_scrape_app
Nov 2017 - Jan 2022
This app gives you the ability to search google for chosen phrases and scrape email addresses from SERP sites.
Contributions:5 commits, 8 pushes, 1 branch in 4 years 2 months
scrape-emailgoogle-apiphrasesscrapeemail
karol-the-guy/demo
Aug 2019 - Nov 2019
Contributions:14 PRs, 16 pushes, 32 branches in 3 months
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