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Hi, I’m Hoan HaaSoftware Architect.Software Architect.
Expert in architecture design and backend development with +15 years of experience in software development. Proficient in building large-scale systems from scratch using microservices architecture. Skilled in applying AI to automate development workflows, enhance speech-based applications, and improve software quality.


What I do
Software Architecture
I design scalable and efficient system architectures, specializing in microservices and distributed systems.
Backend Development
I build robust backend systems using Node.js, Python, and REST/GraphQL APIs for optimized performance.
Real-Time Applications
I develop real-time applications for chat and video conferencing, utilizing WebSockets, WebRTC, and scalable backend services.
AWS Services
I integrate and manage multiple AWS services like EKS, SNS, SQS, and Lambda, ensuring seamless deployment and scalability in AWS environments.
DevOps
I deploy and manage services in the cloud using Kubernetes (EKS) and have experience writing shell scripts to automate deployment tasks efficiently.
FrontEnd Developer
I can develop responsive and modern websites using Next.js, Tailwind CSS, and React, focusing on performance and user experience.
Testimonial

I have been working with Hoan for over a year now, and I can attest to his character, his humility and his deep knowledge of various programming languages. He's put a lot of effort into ensuring that projects are completed on time and beyond expectations. I highly recommend him to anyone looking for an experienced developer. He is truly one of the few developers that really knows his stuff. He brings a lot to the table and that makes him special to work with.

Hoan is truly one of the best developers I have ever worked with!

Hoan is hands down one of the most talented back-end developers in the world. I will try to hire him for every project I have.
My Resume
2010 - 2012
Master of Information Technology
Post and telecommunications institute of technology
2005 - 2010
Bachelor of Information Technology
Post and telecommunications institute of technology