Paweł Mikołajczuk
Senior Software Engineer at Atlassian
Sunnyvale, California, Australia
Summary
👤
Senior🎓
Top SchoolPaweł Mikołajczuk is a Senior Software Engineer with 14 years of experience, combining deep back-end PHP expertise with modern JavaScript and React Native mobile development. He has led teams and open-source projects—most notably as a core developer and Publishing Lead on Newscoop, an open newsroom CMS used by professional journalists—while also co-founding a popular React Native pregnancy app with ~100k monthly users. Comfortable shipping full products from architecture to release, he bridges legacy PHP systems and modern stacks (Symfony, React, Typescript) and has hands-on experience in performance, REST APIs and plugin architectures. Based in Sunnyvale with a history of remote leadership, he also mentors and trains developers and has a knack for turning newsroom workflows into scalable software. An active OSS contributor, his contributions range from core CMS features to improving documentation and examples for JavaScript libraries, reflecting both engineering depth and community-building.
14 years of coding experience
10 years of employment as a software developer
IT specialist, IT specialist at Zespół Szkół Ekonomicznych im. Marii Dąbrowskiej
English, Polish
Stackoverflow
3,762reputation
145kreached
118answers
2questions
doctrine-orm
top-5%
php
top-5%
symfony
top-5%
Github Skills (22)
javascript10
mysql10
coregames10
doctrine10
videogames10
php10
symfony10
symfony-ux10
documentation10
animation9
doctrine-orm9
console-application9
apidoc8
api8
unit-testing7
Programming languages (15)
Github contributions (5)
sourcefabric/Newscoop
Jul 2012 - Oct 2016
Newscoop is the open content management system for professional journalists. Features for the modern newsroom include multiple author management, issue-and-section based publishing, geolocation and multilingual content management. The enterprise-standard journalist’s dashboard and a templating engine supporting anything from HTML5 to mobile complete this fast production and publishing system.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 1058 commits, 567 PRs in 4 years 3 months
Contributions summary:Paweł's commits primarily focus on developing and maintaining the Newscoop content management system. Their work involves implementing features related to the installation process, proxy generation, and management of topics, users, and comments within the application. This indicates a strong back-end focus, with contributions spanning database interactions and system functionality.
cmsprofessionalopen-contentweb-applicationhtml5
craftyjs/Crafty
Jan 2012 - Oct 2012
JavaScript Game Engine
Role in this project:Front-end Developer
Front-end DeveloperContributions:58 commits in 9 months
Contributions summary:Paweł primarily contributed to the JavaScript game engine's documentation, adding and modifying examples within the codebase to illustrate the usage of various components and features, such as color tinting, scene management, sprite manipulation, and animation. These changes involved updating existing code examples and integrating new ones to enhance the clarity and usability of the documentation. The user also fixed small issues and improved code formatting.
gamegamesgamedevjavascriptjavascript-game-engine
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