kewin1807

Designed and developed the server-side architecture for a new blockchain game. Used Docker and other frameworks to set up the project environment for my team. Used Node.js and PostgreSQL to build a database and write RESTful APIs to enable communication between the database and clients. Used Node.js to establish Colyseus between the game server and clients. Used Bullmq to resolve asynchronous problems such as breeding characters, or deposits, and withdrawing items in the game. Implemented various performance optimizations to improve the game's overall performance. Learned saga orchestrator pattern, domain-driven design (DDD), and command-query responsibility segregation (CQRS). Used and handled Kafka to create events transportation between microservices.

Was an initiative of a 15-member team developing a website for customers of Microsoft to migrate their information among clouds of Outlook, Teams, Dropbox, Microsoft 365, OneDrive, Sharepoints, etc. Ensured the web interfaces are smooth and visually appealing using React.js. Initialized front-end project with implement common components for my team and optimize runtime code using webpack. Participated in coding the API between the interfaces and the database using C#. Gained valuable backend knowledge in dependency injection, unit testing, and project structure.

Played a key role in a 6-member outsource team. Building a camera system that can observe security. Set up and created an AI system that analyzes camera feeds in real time to identify and alert any unauthorized individuals entering a restricted area. Initialized front-end project that can help people interact and control camera IP, besides monitoring the result of the AI system. Created a Flask server to establish an AI model that can detect tiny faces with high accuracy.

Played a key role in a 6-member outsource team for Zotahome Software JSC. Building an e-wallet mobile app for real estates transactions named Zo-ta Agent. Set up a logical, easy-to-follow coding structure. Responsible for the mobile interfaces of basic features such as cash in/cash out, top-up, invoice payment, invoice printing, installation payments, etc using React Native.