https://www.kosamatyas.com Latest projects, work experience, and technical updates from my portfolio. en-us Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com https://www.kosamatyas.com/#home Welcome to my personal website. I'm a software engineer based in Cluj-Napoca, Romania, specializing in backend development and systems engineering. Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#work-0 2026. march. - present. - Cluj-Napoca, Romania. Working in the CDS team making costumer data accurate, secure and privacy complient across the cloud. Also working on the SSO widget that all internal and external garmin web-based platforms use. Technologies used: Java, Spring Boot, Maven, Jenkins, RabbitMQ, ElasticSearch, Cloudflare, Kubernetes, Splunk, ArgoCD, Vue.js Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#work-1 2025. jul. - 2026. feb. - Cluj-Napoca, Romania. Same stuff, only different title :) Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#work-2 2024. oct. - 2025. jan. - Cluj-Napoca, Romania. Developed a Python-based robotic arm to automate hardware testing, ensuring accurate and repeatable test runs Designed and implemented a React dashboard to visualize test results in real-time, improving test monitoring and analysis Built a PostgreSQL backend to store test and calibration data, enabling efficient querying and reporting of test results Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#work-3 2024. jul. - 2024. oct. - remote. Developed a secure 3D scan-sharing service using the MERN stack (MongoDB, Express, React, Node.js) and handled scans up to 30MB. Built 3D jaw scan rendering with React and Babylon.js, enabling interactive patient data analysis Implemented JWT-based authentication for secure access and browser caching, reducing scan load times by 40%. Deployed backend on Azure and frontend on Vercel for improved scalability and performance. Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#education-0 2026 - present - Cluj-Napoca, Romania. Master in Computer Science - Applied Computational Intelligence. Courses: We'll see what courses I will take in the future. Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#education-1 2022 - 2026 - Cluj-Napoca, Romania. Bachelor of Science in Computer Science. Courses: Data Structures and Algorithms, Graph Theory, Object-Oriented Programming, Databases, Logical and Functional Programming, Operating Systems, Computer Networks, Software Engineering, Parallel and Distributed Programming, Artificial Intelligence, Deep Learning, Web Programming, Microcontrollers, Software Security, Computer Graphics, Verification and Validation Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com#experience https://www.kosamatyas.com/#education-2 2018 - 2022 - Zalău, Romania. High School Diploma. Courses: Computer Science and Mathematics Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/hyprKCS https://www.kosamatyas.com/projects#hyprkcs lightweight, open-source graphical keybind manager specifically designed for Hyprland, a popular dynamic tiling Wayland compositor on Linux. Built with Rust and GTK4 (following Adwaita design for a native look), it provides an intuitive interface to view, edit, search, and organize keybindings by automatically parsing the hyprland.conf file (and sourced configs). It also serves as a cheatsheet, helps with migrations, and includes features like input device configuration. Tech: Rust, GTK4, Hyprland, Linux, Adwaita, Nix. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/proc_terrain_3D_gen https://www.kosamatyas.com/projects#procedural-terrain-generation A 3D procedural terrain generator in Java using LWJGL and OpenGL, featuring real-time ImGUI controls, Perlin noise, biomes, texture atlasing, and optimized chunk-based rendering with camera controls. Optimized for performance with frustum culling and LOD techniques. Tech: Java, LWJGL, OpenGL, ImGUI, Gradle. Sat, 15 Aug 2026 13:39:22 GMT https://www.turbodither.com/ https://www.kosamatyas.com/projects#turbo-dither Turbo Dither is a free, browser-based online tool for applying image dithering effects. It supports various dithering algorithms, including Floyd-Steinberg, Atkinson, Jarvis-Judice-Ninke, Stucki, Burkes, Sierra, and more. Users can upload images, choose dithering methods, adjust parameters like color depth and palette size, and download the dithered results. Tech: NextJS, CSS, Bun, TypeScript, Java, Spring Boot, Maven, Docker, PostgreSQL, Nix. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/SQUEL-MiniDBMS https://www.kosamatyas.com/projects#squel A mini database management system offering core features for the administration of databases and tables. It supports SQL-like commands for creating, deleting, and modifying databases and tables, as well as inserting, updating, deleting, and querying records. The system utilizes a client-server architecture to handle multiple user connections concurrently. Tech: Java, Swing, MongoDB, Socket Programming. Sat, 15 Aug 2026 13:39:22 GMT https://www.nixfixesthis.com/ https://www.kosamatyas.com/projects#nix-fixes-this A curated collection of tweets showcasing real-world problems solved by NixOS and funny memes about Nix fixing irrelevant issues. Just a fun project I did cuz of boredom. :3 Wanted to try bun and some image loading optimizations and some easter eggs too! Tech: React, CSS, Bun. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/UrbanHaven https://www.kosamatyas.com/projects#urban-haven A property listing website that allows users to browse real estate listings, upload new properties, and perform CRUD operations on their listings. Added browser caching for improved performance and authentication/authorization. Tech: TypeScript, PostgreSQL, NextJS, Java Spring, Tailwind, Gradle. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/CarBazaar https://www.kosamatyas.com/projects#carbazaar A web application that allows users to manage advertisements. It includes functionalities for creating, viewing, and deleting advertisements. Additionally, users can like advertisements, add them to their cart, and view details about each advertisement. Tech: JavaScript, EJS, Tailwind, NodeJs, MySQL. Sat, 15 Aug 2026 13:39:22 GMT https://kosa12.github.io/typingSpeedGame/ https://www.kosamatyas.com/projects#typing-speed-game A simple web application designed to help users improve their typing speed and accuracy. With random quotes for typing practice and real-time feedback on words per minute (WPM). Tech: JavaScript, HTML, CSS, REST API. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/MultiplayerChess https://www.kosamatyas.com/projects#multiplayer-chess This is a simple chess game with graphical user interface. The game includes a chessboard with pieces, and users can interact with the board to move pieces. All chessmoves are implemented and functional (castling, promotion, en Passat etc..) with game history logging in Algebraic notation. Tech: Java, Swing. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/SlotMachine https://www.kosamatyas.com/projects#cyber-slot A cyberpunk themed slot machine game with a unique design and sound effects. The game includes a betting system, a spinning wheel, and a win/lose system. Optimized for performance with smooth animations and sound effects. Tech: Java, Swing. Sat, 15 Aug 2026 13:39:22 GMT https://github.com/kosa12/Pathfinder-3D https://www.kosamatyas.com/projects#3d-pathfinding This problem entails finding the shortest path on a 3D terrain grid from a start to a goal point, navigating around obstacles using the A* search algorithm, and visualizing the optimal path in both heatmap and 3D plot formats. Tech: Python, NumPy. Sat, 15 Aug 2026 13:39:22 GMT https://www.kosamatyas.com https://www.kosamatyas.com/#techstack languages: java, typescript, python, rust | frameworks/libraries: spring, react, nextjs, tailwind, pytorch, tensorflow, vue, gtk | databases: postgresql, mongodb, mysql, redis | deployment: vercel, pcf, kubernetes | tools: git, docker, jenkins, nix, cloudflare, elasticsearch, splunk, kibana, rabbitmq, kafka, argocd Sat, 15 Aug 2026 13:39:22 GMT