About Me
Duc Le (Kelvin)
Mobile Technical Lead
Hanoi, Vietnam
7+
Years Experience
5
Companies
6
Projects
Mobile Technical Lead with 7+ years building cross-platform mobile and web products, including eWallet and banking apps. Currently leading mobile delivery at Smart OSC for Australian and Vietnamese clients, and serving as AI Guide and department AI Champion — building reusable AI skills, workflows, and knowledge bases for the team. Passionate about performance and clean architecture.
Open To
→ Full-time roles
Mobile Technical Lead or Senior Mobile Engineer positions — Hanoi-based only. Most recent: Mobile Technical Lead at Smart OSC.
→ Freelance engagements
Mobile (React Native) product builds, typically 4–12 week scope. Currently considering new engagements — please reach out to discuss.
Core Stack
See all skills →Experience
June 2024 – Present
Associate Software Development Expert
Smart OSC · Hanoi, Vietnam
- –Mobile technical lead delivering high-quality mobile and web apps for Australian and Vietnamese clients.
- –Serve as an AI Guide and department AI Champion — creating reusable skills, Figma-connected workflows, and team knowledge bases.
- –Oversee deployment to Google Play and App Store; streamline development processes through mentorship and collaboration.
June 2023 – June 2024
Senior Software Developer
Globant · Hanoi, Vietnam
- –Built mini-apps in a Super App project with modular architecture and reusable React Native components.
- –Collaborated with European clients on React Native and ReactJS solutions; wrote unit and integration tests.
January 2021 – June 2023
Senior Mobile Developer
VPBank · Hanoi, Vietnam
- –Developed RaceApp — an internal sales tool for managing loan applications.
- –Maintained, refactored and extended Jarvis with React Native and MobX.
- –Integrated advanced state management with Redux and MobX; improved app performance and scalability.
November 2018 – January 2021
Mobile Developer
Viettel Digital · Hanoi, Vietnam
- –Built eWallet apps for Viettel's international markets — Halopesa and Mosan (end-user and agent apps).
- –Designed reusable components and native modules; collaborated closely with backend teams on API integration.
January 2018 – August 2018
Mobile Developer
BeetSoft Co · Hanoi, Vietnam
- –Developed mobile app features for client projects.
Education
Software Engineering
Hanoi University of Science and Technology (HUST)
2014 – 2020
Certifications
TOEIC 810
ETS
November 2022