Android app for testing Bluetooth LE and LE Audio devices. Lua scripting engine for custom test sequences, GATT discovery and real-time device communication.

REST API for BLE and LE Audio test session management and result storage. Real-time SSE events, Svelte + TypeScript frontend, containerized with Docker.

Desktop tool that embeds imperceptible, cryptographically signed watermarks into audio. Survives compression, editing, and format conversion with real-time spectrogram visualization.

Local-first CLI note-taking tool. Notes live in your project directory, mirrored to a home folder via symlinks. Interactive todo manager with subtasks, tree navigator with vim keys, daily logs — all in one Rust binary.

CLI tool that shows what changed across your Git repos since you last sat down. Compares local state with GitHub, groups by time slots, and surfaces uncommitted work — no config needed.

This site. A fullstack portfolio built with Spring Boot (Kotlin), Astro, React, and TailwindCSS, backed by PostgreSQL on Render.

A booking system for a small guesthouse, built as a group project. Spring Boot with Hibernate and a Thymeleaf web interface.

Product management web shop with Spring Boot, JavaScript, and Fake Store API integration. Includes auth and error handling.

Puzzle game in Java with Swing. Features a built-in audio converter and player for in-game music and effects.

Battleship in the command line. Multiplayer. Has the best soundtrack.

Multiplayer quiz game using serialization, local database and ServerSocket for concurrency. Comes with its own cute soundtrack.