Tomasz Kowalów
Team Manager And Senior Database Oracle Administrator
Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolTomasz Kowalów is an experienced team manager and senior Oracle database administrator with over 20 years in database and systems engineering and eight years in leadership roles driving large-scale public sector IT landscapes. He leads cross-functional teams supporting thousands of educational and municipal endpoints, architecting and operating complex environments across Oracle, MSSQL, PostgreSQL, Linux/Windows servers, virtualization platforms and Kubernetes. A hands-on operator, Tomasz programs in Oracle Forms, PL/SQL, C++, C# and Python, and automates administration with Bash, Perl and YAML—skills he uses to streamline backups, RMAN strategies, and disaster recovery for mission-critical systems. He has built and migrated hundreds of production server environments and improved performance through deep tuning, capacity planning and storage/IO optimization. Beyond core ops, Tomasz contributes to front-end open-source work—fixing UX and cross-browser issues in the popular Handsontable data grid—showing a practical full-stack curiosity that complements his infrastructure expertise. Trained in mathematics at Uniwersytet Gdański, he blends analytical rigor with pragmatic, SLA-driven delivery.
8 years of coding experience
Magister (Mgr), Matematyka, Magister (Mgr), Matematyka at Uniwersytet Gdański
Github Skills (17)
unit-testing10
e2e-testing10
javascript10
testing10
e2e-test10
datatable10
datatables10
front-end-development10
html-table10
e2e10
datagrid10
unit-test10
react10
ios9
spreadsheet9
Programming languages (4)
Github contributions (5)
handsontable/handsontable
Feb 2021 - May 2021
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
Role in this project:
Front-end Developer
Front-end DeveloperContributions:131 reviews, 14 commits, 55 PRs in 2 months
Contributions summary:Tomasz primarily contributed to improving the user interface and fixing bugs related to the Handsontable data grid component. Their work involved addressing issues with whitespace trimming, fixing the comment editor's behavior, and resolving problems specific to iOS devices, including context menu and editor behavior. They implemented changes to the text renderer, added tests, and refactored code to enhance the user experience and ensure cross-browser compatibility.
data-editingxlsxreact-gridreact-datatablevue
Osky772/Color-game
Aug 2018 - Dec 2020
Color game project based on The Web Developer Bootcamp
Contributions:2 PRs, 6 pushes, 2 branches in 2 years 4 months
gamecssjavascripthtml5web-developer
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.