Khong Tuyen

Full-stack Developer with hands-on experience building and maintaining scalable web applications.

At LG CNS, I work on end-to-end development across backend, frontend, and database layers. My responsibilities include building RESTful APIs, implementing business logic, integrating third-party services, and optimizing system performance and security.

Key technologies:
Backend: C#, .NET / .NET Core, Java (Spring), Express.js
Frontend: JavaScript, HTML, CSS
Database: SQL Server, MySQL, PostgreSQL
APIs & Integration: REST APIs, third-party services

I focus on clean, maintainable code, performance optimization, and secure application development. Experienced in vulnerability assessment, defensive coding practices, and implementing mitigation strategies for common security risks. Comfortable working independently or with cross-functional teams under tight deadlines.