Software developer · Melbourne

Hello, I'm
Hok Heng

I build reliable web products and operational tools, from stakeholder discovery through to maintainable software.

ABOUT ME

I’m a Melbourne-based software developer who likes turning messy business processes into useful, maintainable software. I work across APIs, databases and frontend UI, and enjoy getting feedback from the people who use what I build.

C#, .NET, ASP.NET Core, SQL Server
React, TypeScript, Svelte, Tailwind CSS
Python, REST APIs, AWS, Docker

The toolkit

TOOLS I USE

A focused mix of tools behind the products, workflows and experiments here.

Frontend

React
TypeScript
Svelte
Tailwind CSS

Backend & data

C# / .NET
SQL Server
Node.js
PostgreSQL

Cloud & AI

AWS
Python
TensorFlow

EXPERIENCE

OracleCMS

Apr. 2026 -- Present

Software Developer

Apr. 2026 -- Present

C#.NETASP.NET CoreSQL ServerSvelte

Highlights

Build internal HR, operations and workforce-management software across APIs, databases and frontend interfaces.
Work with stakeholders to turn unclear business processes into practical requirements and working features.
Contribute to project workflows, document management, hiring and onboarding systems, plus integrations and background automation.

Beyond Zero Technologies

Nov. 2024 -- Mar. 2025

Software Engineer / Intern

Nov. 2024 -- Mar. 2025

ReactTypeScriptStorybookCypress

Highlights

Created more than 100 Cypress acceptance-test scenarios and worked through feedback in code reviews.
Translated Figma designs into reusable React and TypeScript components and helped improve CI with caching and parallel jobs.

Sahara Space

Jul. 2023 -- Nov. 2023

Machine Learning Engineer Intern

Jul. 2023 -- Nov. 2023

PythonTensorFlowKerasComputer Vision

Highlights

Worked on a ResNet-50-based model for 6DoF satellite pose estimation using around 10,000 images.
Used TensorBoard to monitor training and identified changes that reduced training time by 15%.

SELECTED PROJECTS

Smart Roster Scheduler
Featured
A full-stack workforce rostering app with drag-and-drop scheduling. It cut roster preparation from more than 15 minutes to under 5.
- React
- Next.js
- TypeScript
- Tailwind CSS
- Node.js
- PostgreSQL
Live Demo
Gemini Portfolio Guide
A visitor-facing Next.js portfolio guide using Google Gemini for query embeddings and grounded answer generation over the public portfolio knowledge index, with a bounded streaming chat interaction, source anchors, and a server-only Gemini credential boundary. It answers from public portfolio content rather than private data.
- Next.js
- JavaScript
- RAG
- Google Gemini
GitHub
Patient Management System
A patient-related backend project built with Java and Spring Boot, using Kafka and gRPC for service communication and PostgreSQL for persistence.
- Java
- Spring Boot
- Kafka
- gRPC
- PostgreSQL
GitHub
Histopathology Cancer Cell Classification
A computer-vision classifier for histopathology images, reaching an F1 score of 0.86 on more than 20,000 images.
- Python
- TensorFlow
- Computer Vision
Grocery Price Comparison Website
A grocery CRUD application exploring data-driven web development and a microservice-style backend.
- React
- Spring Boot
- GitHub Actions
Fireworks Interactive Canvas Experience
A browser fireworks experience built with vanilla JavaScript and HTML5 Canvas, with mouse-launched particles and layered scene rendering.
- JavaScript
- HTML5 Canvas
GitHub Live Demo