Nyi Nyi Zin

Full-Stack Developer | Next.js, Golang, React.js, Express.js Expert

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Nyi Nyi Zin - Full-Stack Developer portrait
Who I Am

About Me

A passionate developer dedicated to crafting high-quality software solutions

I am a passionate Full-Stack Software Developer, specialized in web and mobile development, with experience in multiple programming languages. Experienced in algorithms, data structures, and software architecture, with a focus on building scalable and maintainable applications across frontend and backend. Committed to continuous learning, solving complex problems, and delivering high-quality software.


I graduated from Polytechnic University Maubin in 2026 with a foundation in computer science. Alongside my professional work, I continue to sharpen my technical skills through hands-on projects, continuous learning, and collaboration with development teams.


I am currently leading a software development team, where I am responsible for defining system architecture, designing scalable and efficient project workflows, and ensuring best practices across the development lifecycle. I actively mentor junior developers, support their technical growth, and foster a collaborative team environment to deliver high-quality software solutions.

3+

Years Experience

50+

Projects Completed

50+

Technologies

3+

Certificates

Academic Background

Education

My academic journey and the foundation of my technical knowledge

Bachelor of Science

Computer Science

Polytechnic University Maubin

Graduated 2026Maubin, Myanmar

Completed computer science studies with a focus on software engineering, algorithms, data structures, and system design.

Key Highlights

  • Specialization in Software Engineering
  • Advanced Algorithms & Data Structures
  • Database Systems & System Design
  • Operating Systems & Networking
High School Diploma

Basic Education High School

2015 — 2017Thandwe, Myanmar

Completed secondary education, gaining a solid foundation in core subjects such as Mathematics and English. Developed strong analytical and problem-solving skills, as well as discipline and dedication, which laid the groundwork for future academic and professional growth.

Key Highlights

  • Strong foundation in Mathematics and English
  • Developed analytical and problem-solving skills
Career Path

My Experience

My professional journey in software development across multiple companies and roles

Software Development Team Leader

Wann Saung
Nov 2025 - PresentYangon Region, Myanmar • Remote
Full-Time
Key achievements
  • Led software development team, conducted code reviews, ensured code quality and documentation across frontend and backend, and promoted knowledge sharing and best practices.
  • Defined project architecture and workflow, created flow diagrams, documented project processes, and implemented project-wide technical guidelines and standards.
  • Assigned tasks, tracked project progress, and coordinated across frontend, backend, and UI/UX teams to ensure timely and high-quality deliverables.
  • Led UI/UX team, provided guidance and feedback, ensuring design consistency and user-friendly interfaces.

Software Developer

Triosys
April 2025 - Nov 2025Yangon Region, Myanmar • Hybrid
Full-Time
Key achievements
  • Led full-cycle software development projects, including frontend architecture, backend systems, and system design.
  • Built high-performance Next.js frontend with server components, dynamic imports, image optimization, PWA support, and secure authentication (JWT, RBAC, Zod validation).
  • Implemented backend optimization across Golang, Express, NestJS, and Next.js: efficient database queries, caching strategies (Redis, HTTP caching), pagination, bulk operations.
  • Improved reliability and observability with Sentry monitoring, error boundaries, retry logic, performance tracking, automated testing (Jest, Vitest), and CI/CD pipelines with Docker and Jenkins.
  • Ensured security and performance best practices: rate limiting, input validation, CSRF/CSP protection, secure headers, and optimized data serialization.

IT & Software Solutions Engineer

Domi Tech
Jan 2023 - Feb 2025Thandwe , Myanmar • Onsite
Full-Time
Key achievements
  • Provided hands-on IT support, repairing and maintaining computers, desktops, and mobile devices, and delivering software troubleshooting services.
  • Installed and configured Wi-Fi networks and CCTV systems for homes and businesses.
  • Transitioned into software development, starting with Flutter for cross-platform mobile applications.
  • Developed web applications using Node.js and React, delivering client-focused software solutions.
  • Collaborated on end-to-end projects, from frontend to backend, ensuring high-quality, scalable, and functional applications.
  • Continuously improved technical skills by learning modern development tools, frameworks, and best practices, adapting quickly to new technologies.
Tech Stack

Skills

Comprehensive technical expertise and professional competencies developed through years of hands-on experience

Expert

React

Component-based UI library

Proficiency95%
3+ years
25+ projects
Expert

Next.js

App Router & Server Components

Proficiency95%
3+ years
15+ projects
Advanced

React Native

Cross-platform mobile apps with React

Proficiency85%
1+ years
3+ projects
Advanced

Flutter

Cross-platform mobile apps

Proficiency75%
2+ years
5+ projects
Advanced

Dart

Optimized for UI

Proficiency85%
2+ years
5+ projects
Expert

HTML5

Semantic markup structure

Proficiency100%
4+ years
60+ projects
Expert

CSS3

Modern layout & animations

Proficiency98%
4+ years
60+ projects
Expert

JavaScript

ES6+ Asynchronous programming

Proficiency95%
4+ years
60+ projects
Expert

Tailwind CSS

Utility-first CSS framework

Proficiency94%
2+ years
30+ projects
Expert

Bootstrap

Responsive grid system

Proficiency95%
2+ years
20+ projects
Expert

Node.js

JavaScript runtime

Proficiency92%
3+ years
30+ projects
Intermediate

Golang

High-performance systems

Proficiency75%
1+ years
4+ projects
Expert

Express.js

Minimalist web framework

Proficiency95%
3+ years
25+ projects
Advanced

NestJS

Enterprise-grade Node framework

Proficiency88%
2+ years
7+ projects
Advanced

PostgreSQL

Relational SQL Database

Proficiency88%
3+ years
15+ projects
Expert

MongoDB

NoSQL Document Store

Proficiency92%
3+ years
20+ projects
Advanced

MySQL

Relational Database

Proficiency85%
4+ years
18+ projects
Intermediate

NeonDB

Serverless Postgres

Proficiency80%
1+ years
5+ projects
Advanced

MariaDB

Open Source SQL

Proficiency85%
1+ years
5+ projects
Expert

Firebase

Backend-as-a-Service

Proficiency90%
2+ years
5+ projects
Expert

Firestore

Real-time NoSQL

Proficiency92%
2+ years
5+ projects
Advanced

Docker

Containerization

Proficiency85%
2+ years
20+ projects
Intermediate

Jenkins

CI/CD Automation

Proficiency70%
2+ years
7+ projects
Advanced

Linux

Server Management & Shell

Proficiency82%
2+ years
Intermediate

Alibaba Cloud

Cloud computing & infrastructure

Proficiency80%
1+ years
6+ projects
Advanced

GitHub Actions

CI/CD & Workflow automation

Proficiency88%
2+ years
15+ projects
Advanced

TypeScript

Type-safety & tooling

Proficiency85%
2+ years
30+ projects
Expert

Git & GitHub

Version Control

Proficiency95%
5+ years
60+ projects
Advanced

Postman

API Testing & Doc

Proficiency90%
4+ years
60+ projects
Expert

Communication

Cross-functional teamwork

Proficiency98%
Advanced

Mentoring

Code reviews & guidance

Proficiency85%
2+ years
20+ projects
Expert

Problem Solving

Analytical thinking

Proficiency95%
5+ years
What I Offer

Services

Comprehensive development services tailored to bring your ideas to life with modern technologies and best practices

Web Development

Building modern, responsive web applications with Next.js, React, and cutting-edge technologies. SEO-optimized and performance-driven.

Backend Development

Designing robust server-side architectures with Node.js, Golang, and Express.js. RESTful APIs, GraphQL, and microservices.

Mobile Development

Cross-platform mobile applications using Flutter and React Native. Native-like performance with a single codebase.

Database Design

Expert database architecture with PostgreSQL, MySQL, MongoDB, and Firebase. Optimized queries and data modeling.

Cloud & DevOps

CI/CD pipelines, Docker containerization, and cloud deployments. Scalable infrastructure on AWS and Vercel.

API Integration

Seamless third-party API integration, payment gateways, OAuth, and custom middleware development.

My Work

Projects

A showcase of projects I've built — from full-stack platforms to mobile apps, each solving real-world problems

Price Changer
Featured

Price Changer

The Price Changer is a full-stack application designed to manage product price changes systematically. It consists of a backend API built with NestJS and a frontend web app using React, with PostgreSQL as the database and Prisma as the ORM. Key Features User Management: JWT-based authentication, role-based access control, user CRUD operations, and account status management. Price Change Workflow: Bulk price change requests with approval process (request → approve/reject), audit logs, and tracking. Item Management: Item import/export, stock synchronization, image uploads, and barcode scanner integration. Additional Features: Excel import/export, responsive UI (Mantine + Tailwind CSS), API documentation (Swagger), Docker support, and CI/CD (Jenkins).

Nest.jsTypeScriptPrisma ORMJWTJest ReactViteMantineTailwind CSSSwaggerDockerJenkinsPostgreSQLTanStack React Query React Hook FormZodReact Router Dom
Educational Information System
Featured

Educational Information System

A full-stack educational management platform built with three integrated parts: Backend (Go API): Handles business logic, authentication, and data management for users, courses, content, and more using PostgreSQL, with support for background jobs and email notifications. Admin Dashboard (React + TypeScript): A Vite-based interface for administrators to manage all platform data and operations via the API. User Website (Next.js): A modern, responsive frontend for students and visitors to explore courses, instructors, and educational content.

React.jsReact-Router-DomTailwind-cssSMTPVite
Company Website
Featured

Company Website

This project is a modern, single-page wedding invitation website built with React and Vite. It provides an interactive and visually appealing platform for sharing wedding details, showcasing the couple, displaying a photo gallery, and collecting guest RSVPs.

React.jsReact-Router-DomTailwind-cssSMTPVite

E-Commerce Platform

E-Commerce Web App is a full-stack, modern online shopping platform. It features a fast, interactive React frontend powered by Vite and a secure, scalable backend REST API built with Node.js, Express, and MongoDB. The application supports product and user management, shopping cart, secure authentication, media uploads, and order processing—making it a strong foundation for small businesses or teams launching an online store.

React.jsVite Redux ToolkitReact Router DOMTailwind CSSAnt DesignAxiosExpress.jsMongoDBMongoosebcryptjsonwebtokenexpress-validatorCloudinaryMulter

Real Time Chat App

real-time-chat-app is a full-stack real-time messaging application built with a modern JavaScript stack. The application enables users to communicate instantly through various chat rooms or channels, supporting seamless live messaging, user authentication, and a user-friendly interface. The frontend is developed using React with Vite for fast builds and a modern development experience, enhanced by Tailwind CSS for rapid UI styling. The backend is powered by Express.js and Socket.IO for scalable, event-driven real-time communication, with MongoDB (via Mongoose) as the database layer.

React.jsReact-router-domTailwindcssSocket.ioViteExpress.jsMongooseMongodb

Face Mask Detection

A Python-based Face Mask Detection system that leverages deep learning and computer vision techniques to automatically identify whether individuals in an image or video stream are wearing face masks. The model used for detection is custom-trained specifically for this project, ensuring robust and reliable performance in real-world scenarios such as CCTV monitoring, public safety systems, and workplace compliance.

TensorFlowPyTorchKerasOpenCVNumPy
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Currently available for freelance work