Demo preview · Business system
Role-aware clinic operations
Scheduling, queues, facilities, and role-based workflows presented as an active product build.
View the business case studyOne operator · Two perspectives
Choose the portfolio that fits your need.
Explore practical IT services and delivery through ZXR's IT Solutions, or review Reiner Cheung's engineering experience, projects, and applied automation work.
01 / For businesses
Business portfolio
ZXR's IT Solutions
Infrastructure, business systems, automation, and support built around real operating needs.
- Networks & CCTV
- Web systems
- Automation & AI
02 / For employers & partners
Personal portfolio
Reiner Cheung
Full-stack engineering, network operations, workflow automation, and a career grounded in service and responsibility.
- Experience
- Selected projects
- LLM workflows
Selected demonstrations
A quick look at the systems behind the portfolios.
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Demo preview · Automation
Connected publishing workflow
An inspectable path through inputs, n8n, Gemini Vision, Drive records, and publishing outputs.
Explore automation work
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Documented project · Web platform
Meeja talent platform
A historical project example covering registration, talent profiles, search, dashboards, and producer-facing discovery.
Browse the project archiveIndependent demonstrations hub
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Browse system previews, automation walkthroughs, infrastructure work, and archived project boards in one dedicated space.
Infrastructure with accountability.
Software shaped by operations.
Support close to the people using it.