Nyi Nyi Zin

Full-Stack Software Developer | Team Lead

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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 Full-Stack Software Developer and team lead with 7+ years of experience in the IT field since 2018. I build and ship web, mobile, and backend systems, with experience in system architecture, secure APIs, database design, and DevOps.


I graduated with a Bachelor of Computer Science from Polytechnic University Maubin in 2025. Alongside my professional work, I continue to strengthen my skills through hands-on projects 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.

7+

Years Experience

50+

Projects Completed

50+

Technologies

3+

Certificates

Academic Background

Education

My academic journey and the foundation of my technical knowledge

Bachelor's Degree

Computer Science

Polytechnic University Maubin

Graduated 2025Maubin, Myanmar

Completed a Bachelor of Computer Science degree.

Career Path

My Experience

My professional journey in software development across multiple companies and roles

Founder

Cloud Nine Software Company

2026 - PresentYangon, Myanmar
Full-Time
Key achievements
  • Founded Cloud Nine Software Company with a team of experienced developers to build tailored software for clients.
  • Lead client delivery from requirements and custom UI through production deployment.
  • Provide programming instruction to students, helping them build practical software development skills.

Software Development Team Lead

WaanSaung
Nov 2025 - PresentYangon, Myanmar
Full-Time
Key achievements
  • Lead technical direction, architecture, delivery coordination, code quality, and engineering standards across web, mobile, and admin applications.
  • Create architecture documents, workflow diagrams, and technical standards to support consistent delivery as the platform grows.
  • Coordinate cross-functional delivery and track progress against schedule and quality goals.
  • Manage Alibaba Cloud infrastructure for a live production marketplace, including server configuration, monitoring, and operational support.
  • Mentor junior developers, assign tasks, and review code.

Full-Stack Software Developer

TRIOSYS IT Solutions and Services
Apr 2025 - Nov 2025Yangon, Myanmar
Full-Time
Key achievements
  • Delivered client projects across frontend architecture, backend services, database design, security, testing, deployment, and technical documentation.
  • Led projects and mentored junior developers from kickoff through production release.
  • Implemented JWT authentication, refresh tokens, role-based access control, Zod validation, CSP/CSRF protections, and secure HTTP headers.
  • Improved data-heavy interfaces with virtualization, infinite scrolling, debounced search, pagination, and bulk operations.
  • Designed and tuned Go, Express, NestJS, and Next.js services using query and index tuning, connection pooling, Redis and HTTP caching, and horizontal scaling.

Associate Developer

DomiTech

Jan 2018 - Feb 2025Thantwe, Myanmar
Full-Time
Key achievements
  • Installed and configured Wi-Fi networks and CCTV systems across Rakhine State, repaired computers, and resolved technical and connectivity issues.
  • Developed software projects following technical guidelines, with a focus on maintainable code and performance.
  • Applied senior developers' code review feedback and learned the team's technology stack.
  • Maintained and refactored code, wrote basic unit and integration tests, and maintained API documentation and setup guides.
  • Joined daily standups to share progress, plan work, and discuss blockers.
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

KPI Task Manager
Featured

KPI Task Manager

Project/team roles, task workflows, priorities, search, filters, activity logs, project KPIs, real-time chat, file sharing, reactions, replies, call activity, notifications, dashboards, calendar, and timeline views.

NestJSTypeScriptGraphQLRESTPrismaPostgreSQLRedisJWTPassportSocket.ioReactViteTailwind CSSTanStack QueryReact RouterReact Hook FormAxiosDockerJest
Restaurant POS SaaS
Featured

Restaurant POS SaaS

A SaaS restaurant point-of-sale platform with separate customer, restaurant-owner, and centralized admin interfaces.

Waansaung Delivery System
Featured

Waansaung Delivery System

A live web, mobile, and admin marketplace for jobs, local services, property, and second-hand listings, with chat, push notifications, role-based access, multilingual support, and secure sign-in.

Next.jsReact NativeExpoNestJSPostgreSQLPrismaRedisAlibaba CloudDocker
DeltaWatch — GeoAI Flood Intelligence & Early-Warning Platform
Featured

DeltaWatch — GeoAI Flood Intelligence & Early-Warning Platform

Analyzes satellite imagery, rainfall, and elevation to score flood risk across a 500-meter grid of 5,549 cells in Maubin Township.

Next.jsTypeScriptPythonFastAPIPostgreSQLPostGISGoogle Earth EngineCesiumJS
Price Changer System
Featured

Price Changer System

Centralized exchange-rate and multi-currency management with configurable pricing models, a secure decryption module to verify update payloads before broadcast, synchronized web/mobile prices, and historical trend and system analytics charts.

Next.jsReactTypeScriptMantineTailwind CSSTanStack QueryZustandRedux ToolkitNestJSRESTWebSocketsPostgreSQLMySQLPrismaDockerNginx
Customer Relationship Management (CRM) System
Featured

Customer Relationship Management (CRM) System

Lead tracking, follow-up scheduling, conversion-based opportunity routing, sales-performance dashboards, and marketing-channel attribution analytics.

Next.jsNestJSPostgreSQLPrismaRedisWebSocketDockerGitHub Actions
Get In Touch

Contact Me

Have a project in mind or want to collaborate? Don't hesitate to reach out — I'd love to hear from you

Follow Me

Currently available for freelance work