Mateusz Sikora
From: Poland
Location: Trute, PL
On Useme since 27 May 2026
About me
ICT Technician. I provide remote freelance services for small projects. I can help you with:
1) Simple websites and landing pages (HTML, CSS, JavaScript)
2) Data entry, organization, and cleaning (Excel, CSV, JSON)
3) Web research, information search, and verification, including Polish-language sources
4) Video editing and post-production (cutting, subtitles, artifact removal, formatting for publication)
5) Transcription and minor technical tasks
I gained experience as an AI Data Annotator on the DataAnnotation.tech platform, as well as through collaborative software development projects using Git/GitHub.
My projects: github.com/matorix63
CV / Résumé
May 2026 - May 2026
Data Annotator
DataAnnotation
Feb 2026 - Now
Data & Reverse Engineering Contributor
Zombie Island Revival
Conducted deep web research utilizing Wayback Machine and GitHub to recover lost core configuration files, saving weeks of reverse-engineering efforts. Manipulated and structured JSON parameters to repair fundamental game mechanics.
Aug 2025 - Jan 2026
Artificial Intelligence Engineer
Independent Project
Applied advanced Prompt Engineering to guide AI models in generating, debugging, and optimizing server code. Maintained version control of ongoing scripts and configurations via Git/GitHub.
Dec 2024 - Dec 2024
Information Technology Support Specialist
And Computers
Performed tier-1 hardware troubleshooting, component replacements, and PC maintenance. Handled OS deployment, formatting, and standard software installations.
May 2024 - Aug 2025
Junior Java Developer
Independent Project
Operated within a structured development team environment, utilizing professional Git workflows including Pull Requests (PRs) and Peer Code Reviews. Managed assigned development tasks under strict timeboxing.