The project archive / 19 projects

Ideas into
working software.

Commerce, business operations, desktop applications and developer tools. Explore the interfaces and the engineering that makes them work.

Explore by technology

Programming Languages: JavaScript, TypeScript, Python, SQL, Java, Rust, PHP, C / C++, Bash

Frontend: React, Next.js, Tailwind CSS, Bootstrap, HTML, CSS / SCSS, Astro, shadcn/ui, Vite, Zustand, Radix UI

Backend: Node.js, Express, FastAPI, Flask, Spring Boot, REST APIs

Commerce & CMS: Medusa, Payload CMS

Database: PostgreSQL, Supabase, Prisma, MySQL, MS SQL Server, MongoDB, SQLite, Flyway, Hibernate & JPA

Payments: Stripe, Solidgate, PayMongo, Xendit, Ordergroove, Checkout.com, Netvalve, Payrex

DevOps & Cloud: GitHub, Vercel, Docker, DigitalOcean, Medusa Cloud, AWS, Maven, Railway, Google Cloud

Security: JWT / Supabase Auth, HMAC Signatures, Webhook Verification, Zod, Pydantic, Input Hardening (XSS/SQLi), Spring Security

Testing & QA: Jest, Pytest, Playwright, Cypress, Vitest, JUnit 5

Mobile: Flutter, React Native, Expo

Desktop & Systems: Tauri, WebAssembly, ONNX Runtime

AI Tools: Claude, ChatGPT, GitHub Copilot, Gemini, DeepSeek, Grok

Database09 technologies

The connected stack

Each square is a technology. Deeper color = more documented project connections.

From the stack to the work

Explore how this technology connects to the applications in my portfolio.

2 projects using SQLite

Desktop ApplicationsProject overview

Tindahan POS

A native Windows retail till with local inventory, receipting and permissions.

Desktop ApplicationsProject overview

Coffee shop checkout, drink modifiers, ingredient inventory and a barista queue.