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 interested in electronics and photography.
Experience
Dec 2025 - Present
Software Developer
SelfMaker
- Contributed to the development of schowki.com, a self-storage platform, implementing, among others, SMS verification and integration with Poland’s KSeF e-invoicing system to ensure compliant electronic invoicing (C#/.NET, React).
- Participated in improving CryptoMind, a mobile application focused on cryptocurrency market tracking (React Native).
- Developed many smaller services and tools:
- An Instagram chatbot using Gemini AI capable of managing multiple accounts simultaneously with account-separate knowledge bases (Python, SQLite3, Redis).
- A device monitoring service that detects long disconnections in internal systems and sends automated email alerts to maintenance teams (Python).
- An automated trading bot for the BNB Chain executing token trades based on predefined market conditions (Python).
- An investor management panel for portfolio tracking and operations (React, Python FastAPI).
Education
2023 - 2028
"Technikum Mechatroniczne nr 1" in Warsaw
Programming technician
Technologies & Tools
Back-end
Databases
Front-end
Mobile development
IoT
Tools
Languages
Native
Advanced
Intermediate
