Blog
Notes on systems, payments & the work
Practical writing about engineering at scale and the personal side of a career in software — architecture decisions, trade-offs, failures, and lessons learned.
2 min
Designing a Payment Transfer System for High Throughput
What it actually takes to move money across 130+ banks reliably: idempotency, reconciliation, per-integration failure domains, and keeping tail latency predictable when downstream banks misbehave.
GolangDistributed Systems
7 min
Taming Tail Latency in Go Services
p99 is where your users actually live. A practical tour of the Go-specific causes of latency spikes — GC pauses, goroutine scheduling, connection pool starvation — and how to measure and fix them.
GolangPerformance