About Me

Tymoteusz Kołodziejczyk

Hello There! My name is Tymoteusz Kołodziejczyk, and I am a Software Developer. I enjoy building creative projects that benefit myself and those around me. Through this website, I aim to share my knowledge and experiences with others who are interested in learning programming and related topics. I’m also interested in electronics and photography (check out my photo gallery).

Check out my programming portfolio projects.

Experience
Dec 2025 – Present
Software Developer
SelfMaker
  • Developed a Python Instagram chatbot capable of managing multiple accounts simultaneously, leveraging Gemini AI and Meta APIs, using an SQLite3 knowledge base for account-specific queries, storing conversation contexts in Redis, and fully containerized with Docker for deployment.
  • Contributed to the development of schowki.com, a self-storage platform, working on a C#/.NET backend and a React-based frontend, including the integration of KSeF (Polish National e-Invoicing System) to enable compliant electronic invoicing.
  • Participated in improving CryptoMind, a React Native mobile application focused on cryptocurrency market tracking.
Education
2023 – 2028
"Technikum Mechatroniczne nr 1" in Warsaw
Programming technician
Technologies & Tools
Back-end
Databases
Front-end
Mobile development
IoT
Tools
Languages
Native
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Advanced
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Intermediate
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