Khanh Anh (Henry) Trinh: self-taught full-stack engineer in Sydney, open to remote. 18 months of serious TypeScript, Next.js, Node and Postgres after four years of accounting. I build financial-grade web products: everything reconciles, or it doesn't ship.
cd ~/projects/2026 && ls -la
Shipped > talked about.
Public products, client builds and the portfolio system itself. Click a row to expand; every project links out to a live build and a case study: the problem, the key decision and the result.
neofetch
System information.
git log --author=henry
Where I've been.
Four years reconciling the books, then a hard pivot into building the software. The accounting habits did not leave. They became the way I engineer.
- $ Nov 2025 - present
Fullstack Software Engineer
Kian Web Studio · Sydney, AustraliaIndependent 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.
- $ Jun 2024 - Nov 2025
IT Support
Wonderful Global · Sydney, AustraliaProvided 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.
- $ May 2021 - Jun 2024
Assistant Bookeeper
H&T Account Firm · Sydney, AustraliaManaged 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.
cat education.txt
- Graduate Certificate In FinanceVictoria University2024
Finance training that sharpened valuation, risk and reporting judgment. Useful context for product work where money movement, reconciliations and operational controls matter.
- Master Of Business Administration (Finance)Victoria University2024 - 2025
Commercial strategy, finance and operating model work. It gives the engineering portfolio a business lens: scope the right thing, measure the result and keep the system maintainable.