Notification Service
High-throughput, fault-tolerant microservice processing 1M+ events/day for 160+ banking clients. Designed for idempotency, retry safety and graceful failure handling — 30× faster.
Open to opportunities
Backend engineer with 6 years building large-scale, high-throughput Java / Spring Boot microservices for fintech and enterprise banking systems. I architected a Notification Service processing 1M+ daily events for 160+ banking clients and 100M+ end users — achieving a 30× performance improvement. I care about idempotency, observability, and clean distributed design.
Dhaka, Bangladesh

About
Backend engineer with 6 years building large-scale, high-throughput Java / Spring Boot microservices for fintech and enterprise banking systems. I architected a Notification Service processing 1M+ daily events for 160+ banking clients and 100M+ end users — achieving a 30× performance improvement. I care about idempotency, observability, and clean distributed design.
Experience
Featured projects
High-throughput, fault-tolerant microservice processing 1M+ events/day for 160+ banking clients. Designed for idempotency, retry safety and graceful failure handling — 30× faster.
Autonomous AI agent for workforce productivity, built with Spring AI and a vector database for retrieval-augmented reasoning over enterprise data.
Backend microservice for banking data processing — statements, check images and notices — with failure recovery and data consistency across asynchronous service boundaries.
Company-wide observability platform unifying logs, metrics and distributed traces across all microservices using the ELK stack and OpenTelemetry.
Tech stack
Languages
Frameworks & libraries
Frontend
Databases
Messaging
Observability
Cloud
DevOps
AI / ML
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Education