Tech Lead @ Neutronpay · Lightning Network & Bitcoin payments

9+ years building production fintech infrastructure. Currently focused on payment APIs, mobile wallets, and internal tooling for an international distributed team. Based in Ho Chi Minh City.

• Go-based payment API processing thousands of daily transactions at 99.9% uptime on live production
• iOS/Android Lightning wallet shipped to 120K+ downloads with a 4.5★ rating
• Centralized cron processor handling 100K+ daily job executions; notification pipeline delivering real-time email, push, and Slack
• Led migration of core modules from Node.js/TypeScript to Go, emphasizing modular architecture and domain separation
• MCP server with OAuth2 authentication enabling AI agents to query internal systems with scoped permission delegation
• Merchant & admin dashboards in React / Next.js; mobile in React Native
• Reduced merchant payment processing fees ~80% vs. traditional rails via Lightning

Progressed QA → Tools Developer → Mobile Developer → Full Stack → Team Lead across projects for US clients: Sphera EA (pollution monitoring), eRobot (robot control), Vesoir (social commerce), Pocket Tutor (online tutoring), V-Health (healthcare monitoring).

Also comfortable in: Python, Java, C#, Dart, Kotlin.

B.Sc. Physical Electronics — University of Science, Ho Chi Minh City National University (2010 – 2015)

• Portfolio: vulamtech.com
• LinkedIn: linkedin.com/in/lamtuanvu
• Email: lamtuanvuqs@gmail.com