Serverless appointment-slot monitor for Australian visa applications — sends real-time alerts when new slots open, built on Playwright, Vercel Cron, and Supabase.

Node.jsPlaywrightSupabaseVercel Cron

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PostgreSQL Performance Toolkit

Completed

A collection of SQL scripts, pgBadger dashboards, and Python automation tools for diagnosing and resolving slow-query issues in high-traffic PostgreSQL clusters.

PostgreSQLPythonpgBadgerpganalyze

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NetSuite–Boomi Integration Framework

Completed

Enterprise-grade bidirectional data pipeline connecting NetSuite ERP and Boomi AtomSphere, processing 50 k+ transactions per day with sub-3 s latency.

NetSuiteBoomi AtomSphereREST APIOAuth 2.0

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jackdeng.cc — Personal Hub

Active

Full-stack personal site and CMS built with Next.js 16, Payload CMS 3, and Supabase PostgreSQL — the very site you are reading now.

Next.js 16Payload CMS 3PostgreSQLSupabase

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