Tuan Vu L.

Senior Full Stack Engineer with 9+ years building enterprise software — from payment platforms processing thousands of daily transactions to mobile apps with 120,000+ downloads. I specialize in fintech, Bitcoin/Lightning Network, and scalable system architecture. At Neutronpay, I lead a distributed international team building Lightning Network payment infrastructure: a high-performance payment API (Go, PostgreSQL, 99.9% uptime), a cross-platform mobile wallet (React Native, 120K+ downloads, 4.5-star rating), and internal dashboards (Next.js). Before that, I led teams across 10+ enterprise projects at TMA Solutions — robotics control systems, healthcare platforms, IoT, and social commerce. What I bring to your project: End-to-end delivery: I architect, build, deploy, and maintain — from system design through CI/CD pipelines Proven leadership: Repeatedly selected by clients to lead engineering teams due to communication and ownership Fast ramp-up: Strong critical thinking and ability to quickly understand existing codebases and business requirements Core stack: TypeScript, React/React Native, Next.js, Node.js, Go, Rust, PostgreSQL, Redis, Docker Also proficient in: Python, Java/Kotlin, Flutter, C#/.NET, Spring Boot, Firebase, GCP, Terraform Domains: Fintech & payments, Bitcoin/Lightning Network, mobile apps, IoT/robotics, healthcare, e-commerce