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The Spirit World

World shaped by

Lon Shan

Software Engineer

Software Engineer with 3+ years of experience building mobile and full-stack applications. Experienced in developing production systems, building applications from scratch, and delivering projects on time. Proficient in modern frameworks and AI-assisted development workflows to improve productivity and software quality.

Career Chronicle

Work History

Mid-Level Full-Stack Developer

Jan 2024 – Dec 2025

Singtecs Co., Ltd (Singapore) — Remote

Developed production applications using React, Next.js, Flutter, React Native and backend services with Node.js (NestJS, Express.js) and Laravel.

  • Designed and implemented APIs, database structures (MySQL, MongoDB, PostgreSQL), and system workflows for internal and clinical platforms.
  • Built cross-platform features for web and mobile with consistent data integration and end-to-end delivery.
  • Integrated AI-powered chat and automation features into internal tools.
  • Maintained and optimised production systems including debugging, performance tuning, and feature enhancements.

Cross-Platform / Frontend Developer

Oct 2023 – Jan 2025

Smthgood Co. (Singapore) — Remote

Migrated an existing Flutter mobile application into a scalable web platform using Next.js.

  • Built seller dashboards and admin systems with improved workflows and usability.
  • Integrated frontend systems with backend APIs and improved data flow.
  • Managed deployment pipelines and infrastructure using AWS and CI/CD (GitHub Actions, GitLab CI).
  • Contributed to system architecture and performance optimisation.

Flutter Developer

Jan 2023 – Aug 2023

EfficientSoft Co., Ltd — Onsite

Built QuickFood Rider and QuickFood Merchant mobile applications from scratch using Flutter, deployed to Google Play Store and App Store.

  • Implemented authentication, order management, support messaging, and navigation.
  • Integrated backend APIs for payments, chat-messaging, and platform services.
  • Implemented location tracking and real-time communication using WebSocket.
  • Optimised application performance and implemented deep linking for navigation.

✦ Creator's Work

Projects

A collection of real systems built and shipped

AI-Powered Living Spirit World Portfolio

Built an interactive portfolio world with elemental spirit characters, magic spell effects, real-time interactions, and AI-driven dialogue to turn a traditional resume site into an immersive product experience.

Next.jsNestJSSocket.IOFramer MotionR3FGenerative AI

Business Central — Smart Retail Platform

Built a multi-portal retail management system for merchants, staff, and admins from scratch to production. Features POS workflows, dashboards, Bluetooth thermal printing (Classic + BLE), offline-first architecture with sync queue, and AI-assisted business analytics.

FlutterGo FiberNext.jsPostgreSQLAI

Pistil — Women's Health Platform

Contributed to frontend and full-stack development across mobile and web. Built user interfaces for customer, clinic, pharmacy, and admin systems. Developed and integrated APIs, improved system workflows and data handling.

LaravelReact NativeExpress.jsMySQL

Singbox Manager

A lightweight web panel for managing Sing-box VPN servers. Handles configuration generation, client management, and deployment. Designed for low-resource VPS environments.

Gonet/httpVPS

QuickFood Merchant & Rider

Developed the QuickFood merchant and rider mobile applications from scratch with core delivery workflows, real-time WebSocket communication, location tracking, and production-ready store deployments.

FlutterWebSocketReal-timeMobile

Scholar Archive

Education and Languages

Education

B.Sc. (Hons) Computing — NCC Education

KMD University

2023 – 2025

Languages

  • MyanmarNative
  • EnglishC1
  • JapaneseN5

✦ Creator's Skills

Skills

Technologies and disciplines mastered across every project

Mobile & Frontend

Flutter / Dart90%
React Native82%
Next.js / React88%
TypeScript / JS90%
Tailwind CSS85%

Backend & Databases

Node.js / NestJS88%
Go / Go Fiber75%
Laravel / PHP78%
PostgreSQL / MySQL82%
MongoDB / Firebase80%

DevOps & Cloud

Docker / CI/CD80%
AWS (EC2, S3, Lambda)75%
Nginx / Redis76%
VPS (DO, OVH, Ionos)80%
Vercel / Render85%

AI Interface

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Get In Touch

Contact

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