Hello, I'm
Leo Nguyen
Senior Software Developer
6+ years of experience in building web and mobile applications. Experienced in JavaScript libraries and frameworks like React, Svelte and Next.js, with a proven track record of building responsive interfaces, reusable component systems, and performance-focused features.
About Me
I'm a Software Developer based in Hanoi, Vietnam with over 6 years of experience in building web and mobile applications. Primarily focused on frontend development with practical experience across backend, cloud deployment, and operations.
Proficient in AI-assisted development using tools like Claude Code and Codex. Collaborative team player with strong communication skills, able to work effectively with other team members and business stakeholders to deliver reliable, maintainable solutions.
Location
Hanoi, Vietnam
Experience
6+ Years
Education
BSc Software Eng.
English
IELTS 7.5
Certification
AWS Developer Associate (DVA-C02)
Skill Highlights
Frontend
Architecture
Backend & Database
Deployment & Ops
Testing & Tools
AI-assisted Dev
Work Experience
Senior Software Developer
LG CNS Vietnam
Developed and maintained web and mobile apps, ensuring high performance and smooth user experience. Collaborated with a Korean team, implemented key features, monitored VOC feedback, and led a small team of three engineers, providing mentorship, code reviews, and training for new members.
Web Developer
Kraken
Worked remotely developing and optimizing React-based web applications for a dry bulk shipping tech start-up. Designed reusable UI components ensuring consistent, responsive UX. Improved page loading performance by over 50% through monitoring and codebase optimization.
Junior Developer
FPT Software
Contributed to developing a financial web application for a Japanese client as part of a legacy transformation project. Helped convert a VB.NET desktop app into a modern React web application, focusing on UI development and UX improvements.
Notable Projects
A hybrid Webview application for learning Korean. Optimized page load speed with lazy loading. Utilized Amazon Transcribe (STT) and Supertone (TTS) for voice recognition and pronunciation feedback.
Mercury Studio
JIP (Japan)
Migrated a desktop-based internal financial application to a modern web platform, building data collection and transformation features that aggregate multiple data sources into clear, readable views.
OT Management System
FPT Software (Vietnam)
An internal web application for employees to declare and manage overtime effort, supporting OT requests, approval workflows, and tracking history for HR/payroll processing.
Let's Connect
I'm always open to discussing new opportunities, interesting projects, or ways to collaborate. Feel free to reach out!