Kasb Platform
Lead Full-Stack & Systems Infrastructure Engineer, Tehran. Sole technical lead owning backend, web, mobile, and DevOps delivery with specialized AI agents supporting implementation. Developed financial ledger and B2B commerce services, resolved double-entry reconciliation discrepancies, and enforced transactional invariants. Migrated Windows/IIS to Linux containers with Docker Swarm, isolated overlay networks, and self-hosted CI runners. Optimized resource limits, services, and caching without increasing the infrastructure budget. Built Persian RTL invoices with Syncfusion Blink; prepared the SQL Server-to-PostgreSQL migration through EF Core multi-provider abstractions and validation test suites.