Customised ERP platform
2022 to presentStill running
Part-time from 2022, full-time since May 2024.
An internal SBT product on web and mobile, covering sales, inventory, procurement, approvals and finance.
Hao Zhe Ong
Software Developer
Penang, Malaysia--:--UTC+8
About Hao Zhe Ong
I’m a software developer working where design meets systems engineering. I build the systems that run other people’s operations. A data science background shapes how I organise information, and right now I’m exploring AI agents and practical automation.
- Now
- Software Developer,
SBT Software Consulting
Since May 2024 - Studied
- Bachelor of Data Science (Honours), TAR UMT 2022 to 2024
Diploma in Computer Science 2020 to 2022 - Speaks
- English, Mandarin, Malay
- Based
- Penang, Malaysia
(UTC+8)
Systems
Five I have built, in the order I started them.
AutoCount accounting integration
2023
A reusable .NET middleware that syncs invoices, credit and debit notes and receipts with AutoCount Accounting.
Halal Sabah mobile application
2023
Technical Lead on the mobile app and merchant portal with MUIS Sabah, live on the App Store and Google Play.
National e-Invoice intermediary
2024
High-volume LHDN e-Invoicing workflows: JSON-to-UBL transformation, webhook orchestration, retries and async processing.
Payments and R&D initiatives
2024
PayNet and Fiuu payment gateways with duplicate-payment prevention and reconciliation, plus SignalR real-time sync and mobile notifications.
Stack
Languages
- C#
- SQL
- Python
- JavaScript
- TypeScript
Frontend
- Angular
- Ionic
- Capacitor
- Next.js
- DevExpress
Backend
- .NET
- REST APIs
- SignalR
- Hangfire
- RestSharp
- Serilog
Data
- SQL Server
- Redis
- SQLite
- Dapper
- ADO.NET
Infrastructure
- Azure App Service
- Azure SQL
- Blob Storage
- Cloudflare
- Vercel
Release and tools
- Git
- Postman
- App Store Connect
- Google Play Console
Integrations
- LHDN e-Invoice
- PayNet
- Fiuu
- AutoCount
- SMS
- Push notifications