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/
My recent work
Experiments, collaborations, and projects I’m especially proud to have shipped.
Spatial Information Backend System
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
Transaction Ingestion & Session Engine
Session migration to Redis & SQL refactoring that reduced API latency by 40-50% and sustained 99.8% uptime.
View code: https://github.com/rohmantr/
Gopsy — Real-Time Counseling
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
Agentic RAG & Vector Pipeline
High-performance RAG pipeline with PostgreSQL pgvector, semantic context caching, and agent tool execution.
View code: https://github.com/rohmantr/devops-agentic-ai
Go-Distributed Task Scheduler
Lightweight distributed job runner in Golang utilizing gRPC, Redis leases, and worker auto-scaling.
View code: https://github.com/rohmantr/simplebank
Let’s connect
I’m always open to discussing new projects, creative ideas, or opportunities to be part of your visions. Just reach out!
