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Backend & API Development

Powerful, scalable backend systems built for fast-growing businesses in Bali, Indonesia

We design infrastructures that stay stable under load, integrate with your marketing stack, and support multilingual, high-traffic products across Asia. Your backend becomes an engine — fast, secure, and ready to scale.

What We Build

High-Performance Backends

Built for scale and speed:

  • Node.js / Java Spring microservices
  • Postgres / Supabase architectures
  • Redis caching for real-time speed
  • Scalable worker pipelines for automations

API Platforms

Unified API solutions:

  • REST, GraphQL, gRPC
  • Unified APIs for property listings, bookings, CRM, payments
  • Webhooks for real-time marketing automation
  • Multi-tenant API design for SaaS products

APAC-Focused Integrations

Built for Bali and Indonesia market needs:

  • WhatsApp Business API
  • TikTok & Instagram Graph APIs
  • Midtrans, Xendit, Doku, Stripe
  • OTA integrations: Airbnb, Booking.com, Traveloka
  • Property systems: Beds24, Hostaway

Real-Time & High-Load Architecture

Handle high traffic:

  • WebSockets / SSE for live dashboards
  • Job queues for large data flows
  • Sharded databases for large Bali and Indonesia markets
  • CDN-optimized media delivery

What You Get

1. Production-Ready Backend

A production-ready backend built to scale:

  • API architecture designed for APAC traffic
  • Fast data delivery even on mobile 3G/4G
  • Secure user management & permissions
  • Integration with your CRM, booking systems, and payment providers
  • Automated workflows for content, leads, and notifications
  • Clear documentation and admin tools
  • Hosting, monitoring, and long-term support (optional)

2. Tech Stack

Modern technology stack:

  • Languages: Node.js, TypeScript, Java 17+, Spring Boot, Next.js API routes
  • Databases: PostgreSQL, Supabase, Redis, ClickHouse
  • Messaging: Kafka, BullMQ, WebSockets, gRPC
  • Deployment: Docker, Nginx, Cloudflare, Vercel, Railway
  • Integrations: WhatsApp API, TikTok API, Xendit, Midtrans, Stripe, HubSpot, Notion, Telegram Bots

Who This Is For

Hospitality (villas, hotels, PMS, OTAs)
Real estate & property platforms
SaaS startups in growth phase
Marketplaces & booking platforms
E-commerce & D2C brands
Agencies building client tech

Pricing (Bali, Indonesia)

API Development (Basic)

Simple REST API + basic integrations

USD 1,200 – 3,500

Full Backend System

Complete backend with all integrations and scaling

USD 3,500 – 15,000

Enterprise Backend Platform

Multi-tenant, high-load, custom architecture

USD 15,000 – 45,000+

Why This Matters in APAC

High mobile traffic requires optimized backends
Unstable networks need resilient architectures
Multiple languages and currencies support
Large volumes of WhatsApp activity
High competition in property & hospitality
Systems that stay fast and reliable even on slow connections
Backend & API Development in Bali | Scalable Systems | H-Studio