Hi, I'm Zaw Htet Naing

Full-stack Developer

I am a full-stack developer with 4 years of industry experience and around five years of programming experience. I create robust and scalable applications. Give me a problem, and I'll provide the best solution.

Download My CV View My Work

Worked At

Onenex Nexlabs Chanjao Longevity

Selected Work

Chat Panel & Recipe Creation System

Senior Back-end Developer at Chanjao Longevity (Dec 2022 - Present)

I led backend development and code reviews for a chat panel and recipe creation platform built on NestJS microservices. Delivered real-time chat, laboratory services, and machine repair modules integrated with the PrestaShop main site, plus push notifications. Built an AI agent chatbot with multi-turn tool calling, structured outputs, and self-healing via a vector knowledge base and registry-driven tool management that became the company standard.

  • Node.js
  • NestJS
  • Microservices
  • WebSockets
  • REST API
  • AI Agents
  • Vector DB
  • Push Notifications
Chat Panel and Recipe Creation System Screenshot

Internal Supply Chain Management

Senior Full-stack Developer at Chanjao Longevity (Dec 2022 - Present)

I designed and built a full-featured internal supply chain system to automate purchasing and supplier coordination. Implemented intelligent stock monitoring, approval workflows that trigger LINE Messaging API communications with AI-generated messages, and AI-driven parsing of supplier replies to update ETAs and statuses. Architected the system to reuse the core chatbot platform shared with the company chat app.

  • NestJS
  • Next.js
  • LINE Messaging API
  • Scheduler Jobs
  • AI Automation
  • REST API

Internal HR Application

Senior Full-stack Developer at Chanjao Longevity (Dec 2022 - Present)

I solely developed a full-featured internal HR management system that is actively used within the company, including FCM-powered notifications for staff updates and approvals.

  • NestJS
  • Next.js
  • FCM
  • REST API

PrestaShop CMS E-Commerce

Senior Back-end Developer at Chanjao Longevity (Dec 2022 - Present)

I led a refactor of a heavily customized PrestaShop CMS, introducing CQRS and a service layer for core modules. Built DHL, Stripe, bank transfer, and QR payment modules, improved error handling, and created a caching system that cut template recompilations by 99% and TTFB by 75%. Also handled data migration from a legacy system and delivered a clean handover with documentation.

  • PHP
  • MySQL
  • Smarty
  • TypeScript
  • CQRS Pattern
  • PrestaShop
  • Apache
PrestaShop Ecommerce Screenshot

Yoma Connect/Social

Full-stack Developer at Onenex (Feb 2022 - Dec 2022)

I maintained and expanded Yoma Group's internal social platform, optimizing an over-normalized MySQL schema to speed up newsfeed pagination. Delivered multi-timezone event creation, real-time and push notifications, and automated birthday/work anniversary announcements, while collaborating with mobile developers for seamless Android and iOS integration. The platform now serves employees across Yoma Group.

  • Laravel
  • GraphQL
  • MySQL
  • Nuxt
  • GetStream.io
  • Push Notifications
Yoma Social Screenshot

Notable Contributed Projects

Chat Panel

A highly extensible hobby project I developed using NestJS, designed for easy integration with any type of project. Explore on GitHub

Larlarlearn

A group project I founded to connect junior professionals in Myanmar with mentors. I managed the project and developed the backend using Laravel and Livewire. Visit the project

Mingalar Cinema

As a junior developer, I contributed to the website for Myanmar's largest cinema group by creating new APIs for mobile apps and maintaining the Laravel codebase.

Hana Microfinance

I worked on Myanmar's first offline microfinance application. This project allowed me to deep dive into Laravel queue jobs and enhance my skills in large data handling. Visit the company site

We Events

As an intern, I assisted in developing an event management and ticket selling system. This was my first project working with Laravel.

Achievements

2nd Prize, KDDI Foundation Contest 2019

Awarded for "QFC (Quick Feet Courier)," a location-based delivery web app. As group leader and full-stack developer, I built the project using pure PHP, HTML, CSS, and JavaScript during university.

QFC project award

Multiple Awards, 2017-2018

Earned 2nd prize at the MTU project competition (2017) and 3rd prize at the 4th International Technology Show (2018) for "Yummy," a restaurant recommendation website I led and developed using pure PHP during university.

Yummy project award

My Recent Articles

I usually write articles in Burmese because I found it difficult to find resources in our native language when I was a junior developer.

My Skills