Engineering
Selected work
A look at systems I've designed and built in payments and backend infrastructure. These are presented as generalized engineering experiences and avoid confidential details.
Building in public
Declarative Backend
An open-source visual backend builder that helps developers generate production-ready Go services without starting from backend code.
Instant Transfer Platform
Fund transfers across 130+ Indonesian banks, engineered for 10,000+ TPS.
Fraud Detection System
In-house transaction fraud detection and risk-management platform.
Pricing Engine
Scalable pricing architecture supporting merchant and bank pricing requirements.
Recurring Payments
A recurring payment system built from scratch, with a next-generation version in progress.
Direct Debit Migration
Migration of a legacy payment platform toward an event-driven microservices architecture.
API Gateway Migration
Migration from Google Apigee to Kong, including custom gateway and plugin development.