Global Payments Processor
Re-architected a legacy monolith into event-driven microservices, reducing transaction latency by 60% and enabling real-time fraud detection.
View Case Studyfunc ProcessTransaction(ctx context.Context, tx *Transaction) error {
// Validate integrity
if err := tx.Validate(); err != nil {
return fmt.Errorf("validation failed: %w", err)
}
// Async fraud check
go fraud.Check(tx)
return db.Save(ctx, tx)
}