Hello! I’m Zach Lai Sze Theng, a full-stack web developer and UI/UX designer based in Adelaide, Australia. For 15+ years I’ve delivered fast, reliable and fully responsive websites for corporate, government and SME clients, with experience building listing-based platforms, directory systems, obituary-style sites, booking systems and data-driven websites featuring search, filtering, submission forms and custom backend workflows. I work across the full stack—from UX wireframes and visual design to frontend implementation, backend logic, hosting setup and performance optimisation. I excel at turning ideas into end-to-end solutions—from UX wireframes and visual design to frontend and backend development, hosting setup and performance optimisation. I deliver rapid prototypes and completed projects on tight timelines, with clear communication and independent execution.

Zach Lai

Hello! I’m Zach Lai Sze Theng, a full-stack web developer and UI/UX designer based in Adelaide, Australia. For 15+ years I’ve delivered fast, reliable and fully responsive websites for corporate, government and SME clients, with experience building listing-based platforms, directory systems, obituary-style sites, booking systems and data-driven websites featuring search, filtering, submission forms and custom backend workflows. I work across the full stack—from UX wireframes and visual design to frontend implementation, backend logic, hosting setup and performance optimisation. I excel at turning ideas into end-to-end solutions—from UX wireframes and visual design to frontend and backend development, hosting setup and performance optimisation. I deliver rapid prototypes and completed projects on tight timelines, with clear communication and independent execution.

Available to hire

Hello! I’m Zach Lai Sze Theng, a full-stack web developer and UI/UX designer based in Adelaide, Australia. For 15+ years I’ve delivered fast, reliable and fully responsive websites for corporate, government and SME clients, with experience building listing-based platforms, directory systems, obituary-style sites, booking systems and data-driven websites featuring search, filtering, submission forms and custom backend workflows. I work across the full stack—from UX wireframes and visual design to frontend implementation, backend logic, hosting setup and performance optimisation.

I excel at turning ideas into end-to-end solutions—from UX wireframes and visual design to frontend and backend development, hosting setup and performance optimisation. I deliver rapid prototypes and completed projects on tight timelines, with clear communication and independent execution.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Founder • Full-Stack Web Developer / UI Designer at Greenfrog Studio
January 1, 2008 - November 28, 2025
Lead full-stack development and UI design for clients across Australia and Southeast Asia. Delivered listing-based platforms, directory sites, booking systems and data-driven dashboards. Managed end-to-end project delivery—from UX wireframes and visual design to frontend and backend development, hosting, and launch; ensured security, speed and reliability under high traffic; provided rapid prototypes and early functional builds for client approval.

Education

Higher Diploma in Art & Design at One Academy Art & Design College
January 11, 2030 - January 1, 1999

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Education, Professional Services, Government