Hi, I’m Htet Aung Linn

Htet Aung Linn, Full-Stack
Software Engineer

Full Stack Developer at Ravus Law Chambers · Co-Founder & CTO at PhiLo POS

I build scalable web applications, robust backend systems, and practical software solutions that solve real-world problems.

From frontend experiences with React and Next.js to backend engineering with Laravel and Node.js, I enjoy working across the entire technology stack to turn ideas into reliable products.

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Resume (PDF)

Full-Stack Developer
/
Full Stack Developer
/
Co-Founder & CTO

Htet Aung Linn

Full-Stack Software Engineer

Co-Founder & CTO: PhiLo POS
Full Stack Developer: Ravus Law Chambers

Mandalay, Myanmar

About me

Building Scalable Software. Solving Real-World Problems.

Illustrated workspace of Htet Aung Linn showing PhiLo POS, Ravus Law and his tech stack

I’m Htet Aung Linn, a Full-Stack Software Developer and technology leader passionate about building reliable, scalable, and user-focused software solutions.

Currently, I work as a Full Stack Developer at Ravus Law Chambers (remote, Singapore) and serve as the Co-Founder and Chief Technology Officer (CTO) of PhiLo POS, a point-of-sale software platform designed to help businesses streamline their daily operations.

My work spans the entire software development lifecycle, from designing system architecture and developing responsive user interfaces to building robust backend services, managing databases, and deploying applications. I enjoy turning complex business requirements into practical, maintainable, and efficient software solutions.

What I do

Full-Stack Development
Modern web apps with React, Next.js, Vue.js, Nuxt.js, Laravel, PHP and Node.js.
Backend Engineering
RESTful APIs, business logic, database structures, authentication systems and scalable architectures.
Desktop & Mobile Development
Electron.js, React Native, Ionic and Capacitor.
Cloud & DevOps
AWS infrastructure, Linux, Docker, deployment workflows and cloud storage architecture.
System Design
Turning business requirements into technical solutions focused on maintainability, security, performance and scalability.
Technical Leadership
Architectural decisions, technical planning and product development, balancing business needs with engineering quality.

Projects

Products I’ve built and shipped

From a point-of-sale platform I co-founded and lead as CTO to client and team projects delivered for businesses in Myanmar and Japan.

Featured productRole · Co-Founder & CTO

PhiLo POS

Point-of-sale and inventory for shops and restaurants in Myanmar.

A business software platform focused on sales management, inventory workflows, reporting, and operational efficiency.

Key features

Sales & checkout
Inventory & stock transfer
Multi-branch
Reports
Kitchen display (KDS) & barcode printing
Kitchen & receipt printing - laser and thermal printers

The product suite

PhiLo POS app
- Android
- iOS
- Desktop (Windows)
- macOS
- Web
KDS app
- Android
PhiLo POS Manager
- Android
- iOS
Admin panel
- Web

PHP API
TypeScript

Visit philo.asia Source code is private

Client & team projects

Shipped and in-progress work for clients and teams - stack and scope on each step.

02
Kenja CloudPreview not available yet
Japan
Kenja Cloud
Enterprise communication and knowledge sharing for Japanese companies.
Built with Laravel and Nuxt.js. My role focused on backend logic, API design and frontend integration.
Key features
Document management
Scheduling
Chat
Collaboration tools
Stack
Laravel
Nuxt.js
Product page: Kenja Cloud (opens in a new tab)
03
Myanmar
ShweMonywaNet WiFi Bill Management
Subscriptions, bandwidth and billing for an internet service provider.
A web-based system that lets admins manage user accounts, monitor usage in real time, generate invoices and handle customer support.
Key features
Customer subscriptions
Bandwidth control
Billing & invoices
Real-time usage
Stack
Laravel
jQuery
Ajax
Visit site: ShweMonywaNet WiFi Bill Management (opens in a new tab)
04
Myanmar
Estage CRM
Customer and property management for a real estate office.
I developed key modules with Laravel and jQuery, and implemented real-time chat and notifications with Socket.io.
Key features
Customer management
Property management
Real-time chat
Notifications
Stack
Laravel
jQuery
Ajax
Socket.io
Visit site: Estage CRM (opens in a new tab)
05
Myanmar
Property.com.mm
Myanmar real estate portal for listings, rentals and sales.
I contributed to backend development, focusing on admin panel functionality, user management and property data handling.
Key features
Admin panel
User management
Property data
Stack
PHP
CodeIgniter
Visit site: Property.com.mm (opens in a new tab)
06
Myanmar
Estate Myanmar
Listing platform connecting buyers, sellers and agents.
I worked on backend modules that streamline property uploads, search and user interactions.
Key features
Property uploads
Search
User interactions
Stack
PHP
CodeIgniter
Visit site: Estate Myanmar (opens in a new tab)
07
Myanmar · Freelance team projectRole · Project Lead
Shan Naung Yoe
Website for a Yangon uniform and custom garment manufacturer.
A company website presenting Shan Naung Yoe's uniform collections, its 7-step production process, capabilities and blog, with ways to send requirements.
Key features
Product categories
7-step process
Capabilities
Blog
Contact & requirements
Stack
Laravel
jQuery
Visit site: Shan Naung Yoe (opens in a new tab)
08
Singapore · Ravus LawRole · Software Engineer
Raveon Live
Live-event engagement for concerts - requests, gifting, and multi-screen projection.
Raveon Live is a live-event engagement platform for concerts and large events. I contribute as a software engineer on the web admin panels (Super Admin and Organization), the audience mobile app, and the projection control app that drives venue screens.
Key features
Super Admin & Organization web panels - create and manage events
Review song/sound requests - approve or reject incoming requests
Raveon Live mobile app - performers, gifts, and paid song/sound requests
Paid-request flow - system returns the amount the requester must pay
Projection app - canvas control across multiple projectors and screens
Customizable “Top gift” layouts on venue projectors
RubexPay payment gateway integration
Stack
Backend · Laravel (API)
Admin · Next.js
Mobile · React + Ionic
Projection · Next.js + Electron
RubexPay (payments)
No public link.
09
Singapore · Ravus LawRole · Software Engineer
Raveon Live Mini
Lightweight Raveon Live for KTV venues and small events.
A smaller packaging of the Raveon Live experience for karaoke (KTV) rooms and intimate events. It reuses the core song-request, gifting, and paid-request flows in a simpler product surface suited to smaller venues, with the same Super Admin and Organization admin scope as Raveon Live in a reduced feature set for KTV and small events.
Key features
Super Admin & Organization panels - same scope as Raveon Live, reduced for KTV and small events
Song and sound requests with paid-request pricing feedback
Gifting flows shared with Raveon Live
RubexPay payment gateway integration
Stack
Backend · Laravel (API)
Admin · Next.js
Mobile · React + Ionic
RubexPay (payments)
No public link.
10
SingaporeRole · Software Engineer
Ravus AI FX - Ghost Candle Projection
Frontend only (Next.js) - provided prediction & market-data APIs
TradingView-style chart with AI “ghost candle” projections and quantile ranges.
A public-facing FX dashboard that visualises an AI model’s prediction for the next candle on a candlestick chart. The active prediction appears as a bright blue ghost candle; historical predictions remain as faded ghosts. I built the frontend only in Next.js, consuming the provided prediction and market-data APIs.
Key features
Ghost candle overlay - active prediction plus faded historical predictions
Q10 / Q50 / Q90 upper and lower ranges (price and pips)
Prediction time, expiry time, and current close
Market Watch - symbol, bid, ask, daily %
Pair & timeframe display (e.g. EUR/USD, M5) and model status
In-UI note: “Not a buy/sell signal”
Stack
Next.js
TradingView Lightweight Charts
Visit site: Ravus AI FX - Ghost Candle Projection (opens in a new tab)
11
Thailand · Myanmar community · Team project · MyTogether TeamLiveRole · Senior Developer
MyTogether
Team project - Senior Developer on backend (NestJS + PostgreSQL) and React.js admin panel (not the mobile app or public website)
Guide for Myanmar people in Thailand - shops, news, visa info, rates, and community tools.
MyTogether helps Myanmar residents in Thailand find Myanmar shops and food with map locations, read verified official news and announcements, check visa and document guidance, follow daily THB→MMK exchange rates, use community lost-and-found, and discover travel spots across Thailand. As Senior Developer on the team, I contributed backend and admin-panel work.
Key features
Myanmar shops & food with map locations
Verified official news and announcements
Visa and document information
Daily THB to MMK exchange rates
Community lost-and-found
Travel spots across Thailand
React.js admin panel (my scope)
Stack
NestJS
PostgreSQL
Prisma
AWS S3
React.js
Visit site: MyTogether (opens in a new tab)

Skills

Tools I work with every day

React.js

Frontend

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Frontend

React.js
Next.js
Vue.js
Nuxt.js
TypeScript
JavaScript
Responsive UI

Backend

PHP
Laravel
Node.js
NestJS
REST APIs
Authentication
Business Logic

Database & Storage

MySQL
PostgreSQL
Database Design
AWS S3
Private File Access

Cloud & DevOps

AWS
Linux
Docker
Deployment
Cloud Infrastructure

Desktop & Mobile

Electron.js
React Native
Ionic
Capacitor

Experience

Work and formal education

Roles I’ve held in product and client teams, plus my university and school background. Professional courses and certificates are listed under Certifications.

Work experience

Co-Founder & Chief Technology Officer (CTO)
Since 1 Feb 2026
PhiLo POS · philo.asia
A business software platform focused on sales management, inventory workflows, reporting, and operational efficiency.
Full Stack Developer
Sep 2025 – Present
Ravus Law Chambers · Full-time
Singapore · Remote
Full-stack application engineering for client systems - Laravel, NestJS, and related technologies.
Skills: Laravel, NestJS
SoftGuide Software House
Full-time · On-site
1. Project Leader
  Jan 2025 – Sep 2025
  Yangon Region, Myanmar
  Project leadership and delivery, including CRM-focused client work.
  Skills: Customer Relationship Management (CRM)
2. Web Developer
  Jun 2023 – Jul 2025
  Yangon, Myanmar
  Web development on SoftGuide and client products with PHP, Nuxt.js, and the wider stack used in production.
  Skills: Nuxt.js, PHP