Wacław Jacek
Freelance Software Engineer
Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolWacław Jacek is a Staff Software Engineer with 11 years of experience building full-stack web systems using TypeScript, React, Node.js, PostgreSQL and AWS, and a deep background in WordPress and PHP. He led key integrations and cross-functional launches at WooCommerce—owning a major US shipping carrier integration, driving product roadmaps, and creating internal dashboards and tooling to improve operational efficiency. As a Certified Expert on Codeable and long-time freelance developer, he has delivered 100+ client projects with a consistent 5/5 rating and authored open-source WordPress tooling such as a two-factor auth plugin. His contributions to the prominent woocommerce/woocommerce repo improved admin note handling, core class design and tax/shipping features, reflecting a focus on robustness and maintainability. Comfortable in both hands-on implementation and strategic technical leadership, he’s experienced in contractor management, onboarding and technical due diligence. Based in Silesian Voivodeship, Poland, he blends production-grade engineering with a knack for pragmatic, data-informed product decisions.
11 years of coding experience
12 years of employment as a software developer
Master's degree, Applied Computer Science, Master's degree, Applied Computer Science at Jagiellonian University
English, Polish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
wordpress10
woocommerce10
php10
exception-handling10
ecommerce9
phpunit9
mysql7
api6
api-design6
javascript4
react4
Programming languages (5)
Github contributions (5)
woocommerce/woocommerce
Apr 2021 - Apr 2021
A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:60 reviews, 1 commit, 20 PRs in 1 day
Contributions summary:Wacław focused on enhancing the WooCommerce platform's administrative features and codebase. They implemented exception handling within `NoteTraits`, improving the robustness of the admin note system. They also refactored and modified multiple core classes, including `Notes`, `NoteTraits`, and `WooSubscriptionsNotes`, for the WooCommerce Admin plugin to improve the performance, maintainability, and overall design. Furthermore, they made improvements on the plugin's tax and shipping features.
ecommercecommercewordpressautomatticphp
waclawjacek/code-examples
Apr 2020 - Apr 2020
Contributions:8 commits, 6 pushes, 1 branch in 1 day
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