Lessons from years of engineering order, payment and fulfillment workflows in Shoprocket, a multi-tenant Laravel ecommerce SaaS serving thousands of merchant stores.
Production work on ufile.io: resumable chunked uploads, MySQL indexing and query fixes, and shipping changes on a file platform already serving millions of users.
Backend notes from Basecomp on closing entry pools, verifiable winner selection, Stripe under spike traffic, and audit history operators can actually use.
What it took to move Shoprocket from CodeIgniter to Laravel while merchants kept selling, the embed kept working, and years of commerce workflows stayed intact.
Tenant scoping lessons from Shoprocket and Basecomp: resolving store or operator context on HTTP, queue jobs and payment callbacks before anything writes to the database.