01Founded and developed a game studio’s products, personally implementing Unity/C# gameplay architecture and coordinating delivery across PC, WebGL, mobile, and mini-app platforms.
02Built multiplayer functionality including dedicated servers, matchmaking, game rooms, synchronization, and server-authoritative logic for racing, action, metaverse, and PvPvE game types.
03Implemented backend services with NestJS/Node.js, PostgreSQL, and Redis to support game and platform functionality.
04Developed core gameplay and networking systems for a multiplayer survival action game, including character control, combat, network rooms, player synchronization, and enemy behavior tuning.
05Built a 2D educational game in Unity/C#, including gameplay, UI, learning loop, task system, WebGL/mobile adaptation, and usability improvements for young users.
06Implemented an AI-enabled fintech product component with an LLM chatbot, MCP server, RAG knowledge workflow using vector search, and assistant integration connected to product APIs.
07Developed financial-data and stock-price backend services in NestJS and TypeScript and separated a monolithic environment into independent services and databases.
08Earlier work included AWS Glue ETL workflows with Spark/PySpark for SAP data, web applications with JavaScript and Google Apps Script, and experimental OpenCV automation.