Build AI-powered mobile & web apps — fast, scalable, production-ready.
Northstack Studio builds React Native apps, AI SaaS, and backend systems for startups and growing teams.
What We Build
AI Mobile Apps (React Native)
Cross-platform mobile applications with AI capabilities, built with React Native for iOS and Android.
SaaS & MVPs
Rapid MVP development for SaaS products, from concept to production in weeks, not months.
Backend & API (Spring Boot, Supabase)
Scalable backend systems and RESTful APIs built with Spring Boot, PostgreSQL, and modern cloud infrastructure.
Automation & AI Agents
Custom AI agents and automation workflows to streamline business processes and enhance productivity.
Products / Apps
Apps we've shipped to the App Store — built on the same stack we use for our clients.
Northstack Studio
LiveAI apps, built smarter
An AI-powered studio assistant. Chat, generate ideas, and explore what Northstack Studio builds — running live on our own production stack.
- AI assistant chat powered by Claude
- Conversation history synced across devices
- Fast, streaming native responses
- Dark & light mode
- English & Indonesian
Scanara
LiveScan, OCR & PDF documents
Turn your iPhone into a document scanner with AI-powered text extraction. Capture, auto-crop, and extract text from receipts, notes, and paperwork.
- Smart scanning with auto edge detection
- AI text extraction (OCR)
- Multi-page PDF export
- Share to email, cloud & chat
- Secure, private sign-in
Campaign Flow
Open SourceHigh-throughput email engine
A production-grade engine for sending personalized campaigns to millions — with adaptive rate control, retries, and reputation protection built in.
- Adaptive rate discovery (AIMD)
- Idempotent retries with dead-letter queue
- Circuit-breaker for sender reputation
- Real-time live progress dashboard
- Pluggable providers (SES, Resend)
How We Work
Discovery
Understand your goals, users, and technical requirements.
Design & Plan
Create architecture, wireframes, and development roadmap.
Build & Iterate
Agile development with weekly demos and feedback loops.
Launch & Scale
Deploy to production, monitor, and scale as you grow.
Why Northstack
Senior-level execution
Experienced developers who ship production-ready code, not prototypes.
Production mindset
Security, scalability, and maintainability built in from day one.
Cost-efficient, fast iteration
Get to market faster with lean processes and reusable components.
Tech Stack
Frontend
- ▸React Native
- ▸Next.js
- ▸TypeScript
- ▸Tailwind CSS
Backend
- ▸Spring Boot
- ▸PostgreSQL
- ▸Supabase
- ▸Java
AI/ML
- ▸OpenAI API
- ▸Custom AI Agents
- ▸LLM Integration
Infrastructure
- ▸Docker
- ▸CI/CD
- ▸AWS/Hetzner
- ▸Nginx
Ready to build something great?
Let's discuss your project and see how we can help.