Zin Kyaw Kyaw

Zin Kyaw Kyaw (AJ)

Senior Software Engineer

Summary

Senior Software Engineer with 8+ years of hands-on experience turning complex requirements into high-performance applications using Node.js, Golang, and PHP. From reducing API latency by 98% at Omise to leading a 5-person engineering team at SEAD, I bring a builder's mindset to every project. Active open-source author with 10+ repositories and contributions to projects like PDFMe (4.1k+ stars).

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Years Exp
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Repositories
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GitHub Stars
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Countries Worked

Key Achievements

98% API Latency Reduction
Optimized caching & queries to cut response time from 500ms–1s down to 2–10ms at Omise
Open-Source Author
Created IoRedis for Dart and Dox Framework, used by developers worldwide
PDF/X-4 Standard Compliance
Built production-grade PDF printing system with CMYK color space support
Full-Stack Framework Creator
Built Dox, a full-featured backend framework for Dart from scratch, inspired by NestJS/Laravel
Team Leadership & Mentorship
Led engineering teams and mentored junior developers through code reviews and pair programming
Cross-Platform Polyglot
Proficient across 7+ languages and 3 cloud platforms (AWS, Azure, GCP)

Experience

Lead Software Engineer Nov 2023 - Present
Southeast Asia Development, Hong Kong
  • Engineered a production-grade PDF printing application compliant with PDF/X-4 standards using pdf-lib, processing 10,000+ documents monthly.
  • Led a team of 3 developers, delivering end-to-end software projects on schedule using agile methodologies.
  • Partnered with SBE, delivering end-to-end software solutions as SEAD's development partner.
  • Mentored 3 junior developers through 100+ code reviews and pair programming sessions, accelerating team growth.
Node.js TypeScript React pdf-lib AWS Docker
Software Engineer Jul 2022 - Oct 2023
Omise, Bangkok, Thailand
  • Owned and maintained 6+ payment platform SDKs and plugins across WooCommerce, Shopify, Magento, PHP, Node.js, and Go.
  • Architected caching and query optimizations that reduced API latency by 98% (from 500ms–1s down to 2–10ms).
  • Shipped responsive, merchant-facing interfaces that improved developer onboarding, reducing integration time by 40%.
Go PHP Node.js WooCommerce Shopify Magento Redis
Senior Backend Developer Nov 2021 - Jun 2022
Develop Now / Hungry Now, Bangkok, Thailand
  • Built and scaled the backend for a food delivery platform serving 1,000+ daily orders using Laravel, MySQL, Node.js, and Socket.IO.
  • Designed 20+ RESTful APIs consumed by web and mobile clients, enabling seamless order and delivery workflows.
  • Architected a real-time driver location tracking system with Socket.IO, supporting 500+ concurrent connections.
Laravel Node.js Socket.IO MySQL REST API
Senior Full Stack Developer Dec 2020 - Sep 2021
BuzzTags, Bangkok, Thailand
  • Managed a real estate application platform, creating white-label websites for partner companies.
  • Led a team of 3 developers, overseeing end-to-end project delivery.
PHP React Vue.js TypeScript MySQL AWS
Mid PHP Developer Aug 2019 - Nov 2020
Befeni GmbH, Bangkok, Thailand
  • Developed a full-stack production management system with Laravel, Vue.js, and MySQL, tracking 5,000+ garment orders.
  • Integrated 3 mail and payment service modules, reducing order-to-delivery processing time by 30%.
  • Built a Cordova-based mobile app for barcode scanning, used by 50+ factory staff for real-time order tracking.
Laravel Vue.js MySQL Cordova REST API
Junior PHP Developer Mar 2018 - Aug 2019
TR Cloud, Bangkok, Thailand
  • Contributed to a cloud-based accounting system serving 200+ business clients, implementing 30+ features using PHP, JavaScript, and MySQL.
  • Resolved 100+ bugs and delivered features consistently under tight deadlines in a fast-paced, agile team environment.
PHP JavaScript MySQL

Skills

Backend
Node.js PHP Golang Rust Dart Laravel TypeScript
Frontend
JavaScript TypeScript Vue React Nuxt Tailwind
Mobile & Design
Flutter Figma
Database
MySQL PostgreSQL MongoDB Redis
DevOps & Cloud
Docker AWS Azure GCP
Vibe Coding
Claude Code Cursor GitHub Copilot Codex

Education

Bachelor of Engineering in Electronics and Communication
Technological University Myitkyina, Myanmar
2016
Bachelor of Technology in Electronics and Communication
Technological University Myitkyina, Myanmar
2015

Open-Source Contributions

PDFMe 4.1k
TypeScript/React PDF generation library
  • Implemented CMYK/RGB color space support for print-ready output
  • Added PDF image embedding and text formatting (strikethrough, underline)
  • Built output intent profiles for PDF/X standard compliance
High-performance Redis client for Dart, authored from scratch
Full-featured backend framework for Dart, inspired by NestJS/Laravel
Lightweight, framework-agnostic instant search UI component
Comprehensive country dataset with dial codes, flags, and metadata
Azure Blob Storage driver for Flydrive, with AdonisJS V6 integration support

Languages

🇲🇲
Burmese
Native
🇬🇧
English
Professional
🇮🇳
Hindi
Intermediate