About Me

Get to know more about my background, skills, and experience

Vũ Nguyễn Duy Anh

Backend / Full-Stack Engineer

Full-Stack Engineer oriented toward Backend, DevOps, and Application Security, with a strong focus on building production-scale real-time, IoT, and AI-powered systems. Experienced in designing scalable, fault-tolerant, and self-hosted architectures, optimizing performance, cost efficiency, and system scalability.Proficient in designing RESTful APIs and implementing real-time communication technologies (WebSocket, MQTT, WebRTC). Experienced in deploying and operating production systems using Docker, Nginx, and Linux, optimizing infrastructure to reduce costs by up to ~90% compared to managed cloud solutions.Currently focusing on Application Security & Pentesting for Web Applications and Blockchain systems, researching and exploiting vulnerabilities related to business logic, authentication/authorization, API security, file handling, and smart contracts. Practicing threat modeling, trust boundary analysis, and risk assessment in distributed systems.

With over 2 years of experience in web development, I've had the opportunity to work on diverse projects ranging from small business websites to large-scale enterprise applications. I'm passionate about creating user-friendly, performant, and accessible web experiences.

Contact Information

Email: vunguyenduyanh57@gmail.com

Status: Available for work

Skills & Technologies

backend

Python90%

Django85%

FastAPI85%

Node.js80%

Express80%

REST API90%

database

PostgreSQL85%

MongoDB80%

Prisma ORM80%

Redis75%

frontend

React75%

TypeScript80%

Next.js70%

Tailwind CSS75%

tools

Docker85%

Git85%

Linux80%

Nginx75%

Experience & Education

Bachelor of Information Technology

2022 - 2027

Electric Power University (Faculty of Information Technology)

Focused on Backend Engineering, Distributed Systems, and Software Architecture. Actively involved in building production-oriented systems and AI-integrated applications.

Full-Stack Developer – AI Learning Systems

2023 - 2024

Independent Project

Developed AI-powered learning platforms leveraging multiple AI models. Designed multi-model strategies to optimize performance, cost efficiency, and response quality.

Backend Engineer – Streaming Platform (SMovie)

2024

SMovie

Designed and developed a movie streaming platform with scalable backend architecture, real-time WebSocket comments, OAuth authentication, fuzzy search, and reporting dashboard.

Full-Stack Developer – IoT Supply Chain System

2024

Farm Trace Project

Built an IoT-based supply chain backend using Node.js, Prisma, and PostgreSQL. Integrated MQTT for ESP32 devices and Socket.IO for real-time monitoring. Implemented JWT authentication and rate limiting.

Backend Engineer – Agent LiveKit (Real-time STT Systems)

2025 - Present

Mezon AI / Independent Research

Designed and developed real-time Speech-to-Text systems using LiveKit (WebRTC, SFU). Integrated Whisper/Vosk-based STT and optimized for low-latency streaming. Later expanded the system with a high-accuracy STT pipeline and introduced an orchestrator layer to coordinate LiveKit, applications, and Mezon bots.

Application Security & Blockchain Pentester

2025 - Present

Independent Research

Conducting Web Application and Blockchain penetration testing, focusing on trust boundaries, business logic flaws, authentication/authorization issues, API security, file handling vulnerabilities, and smart contract exploits. Practicing threat modeling and real-world PoC development.