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Software engineer from New Zealand with over 10 years of industry experience working overseas, delivering practical solutions to complex business problems. Comfortable working independently or collaboratively, and focused on building reliable, user-friendly products. I build across mobile and web platforms—designing front-ends, implementing secure back-ends on cloud infrastructure, and optimizing performance and data workflows. I also enjoy integrating applied AI features like OCR to improve real-world usability for healthcare and operational systems.…Software engineer from New Zealand with over 10 years of industry experience working overseas, delivering practical solutions to complex business problems. Comfortable working independently or collaboratively, and focused on building reliable, user-friendly products. I build across mobile and web platforms—designing front-ends, implementing secure back-ends on cloud infrastructure, and optimizing performance and data workflows. I also enjoy integrating applied AI features like OCR to improve real-world usability for healthcare and operational systems.

Robin Ming-Shan Chang

Software Engineer, Back-End Developer, Front-End Developer, +1

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Software engineer from New Zealand with over 10 years of industry experience working overseas, delivering practical solutions to complex business problems. Comfortable working independently or collaboratively, and focused on building reliable, user-friendly products. I build across mobile and web platforms—designing front-ends, implementing secure back-ends on cloud infrastructure, and optimizing performance and data workflows. I also enjoy integrating applied AI features like OCR to improve real-world usability for healthcare and operational systems.…Software engineer from New Zealand with over 10 years of industry experience working overseas, delivering practical solutions to complex business problems. Comfortable working independently or collaboratively, and focused on building reliable, user-friendly products. I build across mobile and web platforms—designing front-ends, implementing secure back-ends on cloud infrastructure, and optimizing performance and data workflows. I also enjoy integrating applied AI features like OCR to improve real-world usability for healthcare and operational systems.

Available to hire

Software engineer from New Zealand with over 10 years of industry experience working overseas, delivering practical solutions to complex business problems. Comfortable working independently or collaboratively, and focused on building reliable, user-friendly products.

I build across mobile and web platforms—designing front-ends, implementing secure back-ends on cloud infrastructure, and optimizing performance and data workflows. I also enjoy integrating applied AI features like OCR to improve real-world usability for healthcare and operational systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Amharic

Intermediate

Javanese

Intermediate

Work Experience

Mobile App Developer at Titanium Initium Smart Healthcare Ltd.

February 1, 2026 - Present

Created a cross-platform iOS and Android blood cancer patient mobile app. Built the front-end using React Native (Expo) and implemented a family mode to securely authorize caregivers to access patient profiles, along with an AI-based OCR service to assist users in entering test results. Developed the back-end on AWS using API Gateway and Lambda functions with Cognito authentication and a PostgreSQL instance on RDS as the data store. Also created an interactive web portal for telemetry and analytics to support operational insights.

Web Applications Developer at Muses Healthcare Co., Ltd.

February 1, 2025 - February 1, 2026

Digitized patient service operations with a full-stack web application on Google Cloud. Implemented a React.js front-end (MUI) running on Cloud Run instances and an Express.js REST API back-end, connected to a MySQL database hosted on Google Cloud SQL. Partnered with case managers to design responsive UI optimized for desktop and mobile, including productivity features such as auto-complete, search filters, and AI-based OCR for medical reports. Built interactive visualizations using Sankey and Sunburst charts and automated generation of medical charts. Refactored and optimized the database schema, reducing query time for full patient log datasets from ~9.6 seconds to ~0.2 seconds.

System Applications Engineer at Anapex Technology Inc.

July 1, 2013 - January 1, 2025

Developed and maintained in-house software supporting IC Design and Firmware teams primarily in C#/.NET using WinForms and WPF. Built a C#/.NET application for capturing IC sensor data via USB and real-time 2D/3D visualizations using GDI and DirectX components. Created a WinForms tool for automated IC electronics self-tests and touch sensor quality tests, including optional manual verification and integration into production workflows. Upgraded libraries for USB bulk mode and introduced DirectX using the MonoGame library, increasing data throughput from ~61 KB/s to ~3.8 MB/s and improving frame rates from 2–3 FPS to a constant 30 FPS. Implemented perceptually uniform color maps and optimized USB communications and multithreading to reduce IC on-chip electronic self-test times from over two minutes to under 30 seconds. Provided production tools and technical support for quality control and firmware patching, and built custom solutions for clients including logging services, Windows AP