AppTech Systems

Our Technologies

A modern stack, chosen for longevity

We pick technologies for how well they’ll serve you in five years — well-supported, hireable, and proven — not for what’s trending this month. Here’s what we build with.

Frontend

  • React
  • Next.js
  • TypeScript
  • Tailwind CSS
  • Astro

Backend

  • Node.js
  • NestJS
  • Python
  • REST & GraphQL APIs

Mobile

  • React Native
  • Flutter
  • Native iOS (Swift)
  • Native Android (Kotlin)

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis

Cloud & DevOps

  • AWS
  • Docker
  • CI/CD pipelines
  • Vercel

AI & Data

  • LLM integration
  • OpenAI / Anthropic APIs
  • Workflow automation
  • Analytics

Payments & Local

  • Stripe
  • PayNow
  • PayPal
  • Singapore integrations

Security & Compliance

  • PDPA-compliant
  • OWASP practices
  • Encryption
  • Role-based access

The right tool for your project — not a one-size-fits-all stack

Every project is different. We recommend the stack that fits your budget, timeline, team, and how long the system needs to last — then we build it to enterprise standards and document it so anyone can maintain it.