Adegbenga Efunnuga

I’m a backend-focused Go (Golang) engineer who designs and delivers production-grade transactional systems, especially idempotent payment services, retry engines, and concurrent processing architectures. I bring strong expertise in distributed systems reliability, failure handling, and performance optimisation, with a focus on preventing real-world financial risk.

Recently, I delivered the SwiftLedger transaction platform, implementing a fault-tolerant retry engine with failure classification (RT/NRT/MANREC), idempotency-safe transaction processing to eliminate duplicate charges, and a goroutine-based worker pool that reduced P95 latency by ~79%. I also built audit logging for financial traceability and improved throughput and stability through database-integrated testing and benchmarking.