Selected Work
Systems I've designed & delivered
SaaS Booking Platform
Multi-tenant booking system with payment integration, concurrency-safe slot management, and background job processing.
Impact
10k+ bookings/day
ASP.NET CorePostgreSQLCQRSPayments
Business Workflow API
Enterprise workflow engine handling complex approval chains, notifications, and scheduled background tasks.
Impact
40+ workflow types
EF CoreSQL ServerClean Architecture
Payment Gateway Integration
Secure payment processing layer with webhooks, idempotency, and reconciliation for high-volume transactions.
Impact
99.99% success rate
ASP.NET CoreConcurrencyReliability