Idempotent Webhook & Payment Engine
Event-driven transaction processing engine built with PHP/Laravel, utilizing Redis distributed locks and queues for robust, idempotent execution.
View code: https://github.com/rohmantr/
Hey, I’m Ahmad Taufiqurrohman
High-Throughput APIs, Distributed Caching & Cloud Systems.

From playful experiments to thoughtful systems, a look at the work I’m proud to have shipped.
Event-driven transaction processing engine built with PHP/Laravel, utilizing Redis distributed locks and queues for robust, idempotent execution.
View code: https://github.com/rohmantr/
Enterprise backend utilizing NestJS, PostgreSQL, and PostGIS for spatial data processing. Features strict RBAC and sub-millisecond query optimization.
View code: https://github.com/rohmantr
Session migration to Redis & SQL refactoring that reduced API latency by 40-50% and sustained 99.8% uptime.
View code: https://github.com/rohmantr/
Telehealth consultation microservices with multi-tier Redis caching, cutting DB load by 60% with sub-ms responses.
View code: https://github.com/rohmantr/psy-backend
I’m always open to discussing new projects, creative ideas, or opportunities to be part of your visions. Just reach out!