// apiProject case study
FinTrack API
High-throughput financial transaction processing API
01 // Problem Statement
A fintech startup needed a transaction processing API that could handle 10K TPS with audit logging and regulatory compliance.
02 // Approach & Architecture
Built a layered architecture in Go with strict separation of concerns. Implemented event sourcing for complete audit trails.
03 // Technical Solution
Designed a concurrent transaction processor using Go channels and goroutines. Added PCI-DSS compliant encryption and comprehensive audit logging.
04 // Results & Impact
Successfully processed 500M+ transactions. Zero security incidents. 99.99% uptime over 18 months.