Khanh Anh (Henry) Trinh

Kian Web Studio • Sydney, Australia

Independent web studio delivering production-ready web applications for real businesses. Own projects end-to-end, from client discovery and technical architecture to development, deployment, and ongoing support.

• Delivered production applications achieving 95+ Lighthouse performance scores and sub-2.5s LCP, measured through Google Lighthouse and PageSpeed Insights, by optimizing rendering, assets, caching, and application architecture.
• Built end-to-end commerce workflows integrating Square payments, order management, and transactional communications, reducing manual order-processing steps by an estimated 60%, measured by comparing the client’s documented pre- and post-launch ordering workflows.
• Improved production reliability to 99.9%+ measured availability while reducing application errors through structured monitoring and deployment practices, tracked using Cloudflare Analytics and application monitoring/logging.

Wonderful Global • Sydney, Australia

Provided technical support across a mortgage brokerage environment while identifying opportunities to automate repetitive internal processes. Began developing internal tools and scripts to improve operational efficiency, marking the transition from IT support into software development.

• Resolved 90%+ of support requests without escalation and reduced average resolution time by approximately 30% through standardized troubleshooting procedures and internal documentation, tracked through help-desk ticket records.
• Automated repetitive data-entry and administrative workflows using JavaScript/Python scripts, reducing an estimated 5–8 hours of manual work per week, measured by comparing task completion times before and after automation.
• Built an internal web-based utility for brokerage staff that reduced a multi-step manual process by approximately 50%, using browser/application analytics and before-and-after workflow timing to measure adoption and efficiency.

H&T Account Firm • Sydney, Australia

Managed day-to-day financial operations, reconciliations, and reporting while maintaining accurate financial records and supporting month-end processes.

• Maintained 98%+ transaction accuracy across reconciliations and financial records, measured through month-end reconciliation reviews and correction rates.
• Reduced monthly reconciliation time by approximately 30% by improving Excel-based workflows, templates, and reconciliation procedures, measured against previous month-end processing times.
• Improved accounts receivable follow-up processes, reducing average outstanding invoice time by approximately 20%, tracked through Xero aged receivables reports.

Built a bilingual ordering system for a Vietnamese food and drink business located in Seattle, replacing Messenger-based orders with customizable menus, Square payments, kitchen queues, owner workflows, and refund-aware financial reporting.

Next.js • Payload • Drizzle • Square • Better Auth

Project brief: khanhanhtr.com/work/goat-food-and-tea

Built browser-native capture and local video processing, then added direct-to-CDN uploads with transaction-safe finalization and private playback authorized on demand.

Next.js • Postgres SQL • Cloudflare • Clerk

Project brief: khanhanhtr.com/work/lapse

Built the studio platform behind KianWeb: a bilingual marketing site, productized service model, selected-work system, enquiry flow, Payload content model and operational copy structure for selling managed business websites.

Next.js • Payload • Typescript • Stripe • Cloudflare

Project brief: khanhanhtr.com/work/kianweb-studio

Built a source-first registry with generated shadcn endpoints, interactive Astro documentation and race-safe async primitives extracted from production work.

Next.js • react • Typescript • pnpm

Project brief: khanhanhtr.com/work/kaui-shadcn-registry

Delivered a conversion-focused service site for a local beauty studio, combining service discovery, portfolio proof, testimonials and booking flow into one customer journey.

Next.js • Typescript • vercel • Cloudflare

Project brief: khanhanhtr.com/work/celia-studio-booking