Mateusz Sip
Senior Software Engineer at Freelance Software Development
Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolMateusz Sip is a Senior Software Engineer with 11 years of hands-on experience building back-end systems and APIs, currently driving engineering work at Lendable and maintaining a long-running freelance practice. He has a strong track record in fintech and platform products, with senior roles at FORM3, Docler, and Fandom where he contributed notably to search and API logic in the well-known Wikia/Fandom codebase. Comfortable with production ownership, Mateusz repeatedly moved systems forward through compatibility-preserving changes, bug fixes and pragmatic refactors. Based in Greater Poland, he pairs a formal computer science background with broad commercial experience across startups and enterprises, and often blends consulting agility with senior-team impact.
11 years of coding experience
7 years of employment as a software developer
Technik Informatyk, Systemy Zarządzania bazami danych, Technik Informatyk, Systemy Zarządzania bazami danych at Zespół Szkół Komunikacji w PoznaniuComputer Science, Computer Science at Uniwersytet im. Adama Mickiewicza w Poznaniu
English
Stackoverflow
1,280reputation
49kreached
77answers
0questions
Github Skills (20)
mediawiki10
back-end-development10
php10
apidoc9
api9
interaction8
database8
databases8
amazon-elasticsearch7
aws-elasticsearch7
elasticsearchquery7
elasticsearch-api7
elasticsearch7
angular-material6
doctrine-orm6
Programming languages (11)
Github contributions (5)
Wikia/app
Jul 2019 - Jul 2020
Wikia Application Code
Role in this project:
Back-end Developer
Back-end DeveloperContributions:170 commits, 43 PRs, 123 pushes in 1 year
Contributions summary:Mateusz primarily contributed to the back-end logic and API functionality of the Wikia application. Their commits included adding and modifying code to incorporate `wikiIds` and `pageIds` into the search results, addressing backward compatibility requirements. Further contributions involved fixing code style issues, fixing typos, and implementing features related to community search. Additionally, the user removed old fields from a controller.
wikiphpwikiamediawiki
mateuszsip/PHP-CS-Fixer
Jan 2018 - Jan 2023
A tool to automatically fix PHP coding standards issues
Contributions:2 pushes, 2 branches in 5 years
fixphpstandardsphp-cs-fixerphp-fix
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