Senior Full-Stack Engineer & Self-Hosted Infrastructure Architect.
10+ years of end-to-end commercial software delivery—from Java Spring Boot & PHP backends to a self-managed 3-host, 162-container production platform and autonomous AI Agent workflows.
Production Systems & Architecture
Verifiable, running artifacts across full-stack applications, self-hosted infrastructure, and automated AI workflows.
AI Video & Multilingual Knowledge Portal ↗
End-to-end media processing platform with automated multilingual AI speech-to-text transcription and structured knowledge indexing.
3-Host 162-Container Production Platform ↗
Self-managed Docker infra across DSM, Unraid & Ubuntu VPS (78+ Compose stacks) with Traefik ACME TLS, authentik SSO & Prometheus/Grafana.
Deep-Dive Architecture & SRE Postmortems ↗
Astro 5 technical portal documenting 10,000-word production postmortems on network tunneling, Traefik routing, and AI Agent orchestration.
Enterprise AI Support & OCR Verification ↗
Production support engine at Joywood integrating OpenAI API, OCR receipt verification, and n8n workflows to cut manual ticket handling.
SifuMail: Managed Enterprise Email Infra ↗
Dedicated business email hosting and multi-cloud server infrastructure engineered for Malaysian SMEs with strict deliverability & security.
Smart Contracts & Autonomous Dev Tooling ↗
Open-source Spring Boot microservices, Foundry/Solidity (ERC-20/721) contracts, and deterministic MCP Agent automation pipelines.
10+ Years Commercial Delivery
Hands-on engineering across enterprise backends, cloud-native DevOps, distributed logistics, and production AI pipelines.
Full-Stack Software Engineer
Joywood- Architected and operated a 3-host self-managed Docker platform (Synology DSM, Unraid, Ubuntu 24.04 VPS) running 162 containers across 78+ Compose stacks at >99% uptime with Traefik, Prometheus/Grafana, authentik SSO, and automated restic backups.
- Engineered AI-enabled customer support tooling integrating the OpenAI API and automated OCR receipt verification, significantly cutting manual ticket handling.
- Developed core backend services and internal operational portals in Java Spring Boot and PHP CodeIgniter supporting billing, logistics, and customer workflows.
- Delivered 30+ production web applications and business systems for SME, NGO, and e-commerce clients across the full software lifecycle.
Founder & Principal Full-Stack Engineer
Hoelee Enterprise (SifuMail)- Founded an independent software engineering and managed infrastructure practice delivering bespoke web systems and enterprise email hosting (SifuMail) to Malaysian SMEs.
- Built full-stack business applications using Java Spring Boot, PHP CodeIgniter, and Node.js with responsive JavaScript frontends.
- Administered multi-cloud production environments across AWS EC2, Vultr, and Linux/Windows server clusters with strict security and deliverability standards.
Project Manager / Software Engineer
Edufly- Led engineering and payment gateway integration for a multi-tier affiliate and social e-commerce platform, coordinating external vendors while owning core internal architecture.
- Engineered Java Spring automation tooling for Shopee bulk product listing, sourcing synchronization, and order workflow automation.
- Built omnichannel chatbot integrations and automated marketing pipelines across Telegram, WhatsApp, Facebook Messenger, and Web.
Software Engineer
Superceed- Developed enterprise Java Spring Boot web systems and native Android applications powering customer service and food-delivery logistics.
- Engineered a real-time GPS delivery-tracking and dispatch visibility platform, alongside a Google Maps franchise territory management system that automated order assignment.
- Implemented an early-generation AI customer service chatbot using IBM Watson Assistant, integrating Speech-to-Text (STT) and facial recognition APIs.
Bachelor of Information Systems (Hons) Information Systems Engineering
Universiti Tunku Abdul Rahman (UTAR)Architecture & Tooling
Production-hardened toolchain spanning distributed backends, self-managed SRE infrastructure, and AI workflow orchestration.
Backend & Systems Architecture
- Java (Spring Boot, Spring Data JPA, Hibernate)
- PHP (CodeIgniter, Custom Architecture)
- Node.js & Python
- RESTful APIs, Webhooks & Event-Driven Workflows
- PostgreSQL, MySQL Master/Replica Replication, Redis, Elasticsearch
Self-Hosted DevOps & Infrastructure
- Multi-Host Docker & Docker Compose (162 Containers / 78+ Stacks)
- Traefik Reverse Proxy, Nginx & Automated ACME SSL/TLS
- Prometheus, Grafana & cAdvisor Observability
- authentik SSO (OIDC/OAuth2) & Cloudflare DNS/Tunnels
- CI/CD Pipelines (Self-Hosted Gitea Actions & GitHub Actions)
- Linux (Ubuntu/Debian), Synology DSM, Unraid, AWS EC2 & restic Backups
AI Agents & Workflow Automation
- OpenAI API, LiteLLM, Local LLMs (LM Studio) & MCP Agents
- OCR Document & Receipt Verification Pipelines
- Speech-to-Text (STT), Text-to-Speech (TTS) & Media Processing
- n8n Self-Hosted Workflow Orchestration
- Omnichannel Bot APIs (Telegram, WhatsApp, Messenger)
Frontend, Web3 & Engineering Practices
- TypeScript, JavaScript (ES6+), Astro 5 & Tailwind CSS
- Solidity (ERC-20, ERC-721, Upgradeable Contracts), Foundry & Hardhat
- OpenZeppelin, Chainlink Oracles & Ethers.js
- Root-Cause Debugging, Automated Integration Probes & Technical Writing