Projects

Titipku

E-commerce platform digitizing traditional markets in Indonesia. Handling the full tech stack — mobile, backend, DevOps, and infrastructure.

Kotlin · Jetpack Compose · Swift · Go · Angular

Built Titipku Merchant from scratch. Maintaining Merchant, Nitiper, and Jatiper apps with Jetpack Compose and shared codebase.

Titipku Nitiper iOS app with Swift and Xcode Cloud CI/CD.

Go microservices powering the platform — order processing, payment, logistics, and more.

Managing GCP and AWS infrastructure, Cloud SQL, monitoring with Grafana and Prometheus, cost optimization.

Information system for PAFI (Persatuan Ahli Farmasi Indonesia) — the Indonesian Pharmaceutical Professionals Association.

Full-Stack · Web

Leadership directory, news section, and support center for PAFI members.

WebRTC video call platform for Indonesian correctional facilities. Handling ~1,200 calls/day in production. Live on Google Play and App Store.

Kotlin · Swift · React Native · WebRTC · Janus Gateway

Native Kotlin sender and receiver apps with kiosk mode, OTA updates, custom launcher, and multi-brand support.

SwiftUI native + React Native receiver app with WebRTC, PiP support. Live on App Store.

Bun + Hono API with Janus Gateway SFU, Docker Swarm across 3 GCE VMs, encrypted call recording, usage-based billing.

React admin dashboard for call management, billing, user administration, and reporting.

Grafana + Prometheus + Loki stack for real-time monitoring and alerting.

Self-built inventory and ERP product for B2B businesses — sales, purchasing, stock management, POS, and financial reporting.

Hono · Prisma · React

Sales orders, purchase orders, delivery orders, invoicing, and payment tracking with full audit trail.

Point of sale, stock opname, multi-warehouse support, and real-time stock tracking.

Sales reports, stock transactions, financial journals, with Excel and dot-matrix print support.

5-role access control, feature flags, store configuration with custom branding.

IT service studio I co-founded — building software products and providing tech solutions for businesses.