Jerzy Zawadzki
Chief Technology Officer at Polcode
Krakow, Lesser Poland Voivodeship
Summary
👤
SeniorJerzy Zawadzki is a seasoned technology leader and Chief Technology Officer based in Krakow with 18 years of hands-on experience building web applications in PHP and 13 years in leadership roles. A Symfony Certified Developer, Zend Certified Engineer and Magento-certified, he blends deep framework expertise (Symfony 1.4–6, Zend) with practical experience across MySQL/PostgreSQL, ElasticSearch, REST APIs, and modern front-end stacks. At Polcode he moved from senior developer and HR technical advisor to CTO, steering architecture, delivery and engineering culture while remaining an active contributor to the Symfony documentation—keeping official guides accurate and up to date. He champions TDD, CI/CD (GitLabCI, Jenkins, Bamboo) and pragmatic integrations (payment and social APIs), ensuring teams ship reliable, maintainable systems. Known for translating legacy PHP ecosystems into modern, testable architectures, he pairs certification-backed skills with steady operational leadership.
13 years of coding experience
4 years of employment as a software developer
German, English, Polish
Stackoverflow
1,975reputation
147kreached
84answers
0questions
php
top-5%
Github Skills (14)
php10
twig10
documentation10
symfony-ux10
symfony10
doc9
html6
media6
css6
media-queries6
javascript6
database6
post6
mysql6
Programming languages (5)
Github contributions (5)
symfony/symfony-docs
Nov 2014 - Nov 2019
The Symfony documentation
Role in this project:
Technical Writer
Technical WriterContributions:8 commits, 8 PRs, 9 comments in 5 years
Contributions summary:Jerzy primarily contributes to the Symfony documentation repository, making revisions and corrections. Their work focuses on updating references, fixing outdated information, and refining documentation on various Symfony components, including Twig, security features, and form types. These contributions enhance the clarity and accuracy of the documentation for developers. They updated URLs and removed deprecated or removed elements in the documentation.
bundlephpsymfonysymfony-bundle
jzawadzki/maker-bundle
Nov 2017 - Sep 2021
Symfony Maker Bundle
Contributions:5 pushes, 3 branches in 3 years 10 months
makerbundlephpsymfony-bundlesymfony
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.