I'm Jian Rong King

2025

• Designed the system architecture using UML class diagrams and CRC cards derived from user stories, then incrementally built the game engine using object-oriented programming principles.
• Applied SOLID design principles and used techniques such as encapsulation, inheritance, and abstraction to ensure modularity and code reusability.
• Integrated a responsive GUI using Java Swing, and followed scalable design with the use of relevant design patterns (e.g., Factory, Singleton) to manage game components.

Java

Java Swing

Git Repo

2024

A database solution to computerize Paris Transit service records. Implemented a sets of relational (Oracle) and non-relational (MongoDB) queries. Application of MongoDB operations to produce outputs that meet client's requirements. Meeting the client's requirements and PL/SQL (Trigger & Procedure) code to enforce business rules.

Oracle DB

MongoDB

Git Repo

2025

• Developed a full-stack task management app with a responsive React frontend and an Express.js backend simulating real-world API interactions.
• Designed and implemented RESTful API endpoints (GET, POST, PUT, PATCH, DELETE) to support core task operations—creating, updating, completing, and deleting todos.
• Integrated a local PostgreSQL database for persistent task storage and modeled schema for efficient querying.
• Applied modular routing, middleware handling, and CRUD controller design for maintainable backend architecture.

Java

Node JS

ExpressJs

PostgreSQL

Git Repo