I build web and mobile applications end-to-end — from database design and backend APIs to frontend interfaces, authentication, testing, and deployment.
React Native · Expo · TypeScript · Next.js · PostgreSQL · Supabase
Multi-sided home-services platform with customer and service-partner mobile apps plus a Next.js admin console.
Built around scheduling, worker assignment, payments, realtime updates, role-based access control, row-level security, and transactional booking workflows.
Python · Django REST Framework · React · PostgreSQL · RSA · SHA-256 · Merkle Trees
Tamper-evident invoice verification platform using cryptographic hashing, RSA digital signatures, Merkle-tree audit structures, authenticated REST APIs, and automated testing.
CI/CD · Cloud Deployment · System Design
📍 Dubai, UAE
📧 jeffanthonytan@gmail.com
