https://mohammadshamchi.com/ Short essays drawn directly from real engagements: shipping discipline, migrations, debugging inherited systems. Specific, dated, and honest. en-us https://mohammadshamchi.com/writing/migration-as-handover.html https://mohammadshamchi.com/writing/migration-as-handover.html Thu, 30 Apr 2026 09:00:00 +0000 Migrations Most freelance cloud migrations are data movement. Real migration is handover. Three rules from a 9,778-row Supabase migration that the client owns end to end. https://mohammadshamchi.com/writing/ship-first-then-optimize.html https://mohammadshamchi.com/writing/ship-first-then-optimize.html Thu, 23 Apr 2026 09:00:00 +0000 Lessons The architecture was clean. The deadlines were met. The trust never came back. A specific account of how I spent 2.5 months building the right thing and the wrong product. https://mohammadshamchi.com/writing/debugging-the-mental-model.html https://mohammadshamchi.com/writing/debugging-the-mental-model.html Fri, 20 Feb 2026 09:00:00 +0000 Debugging When you inherit a broken migration, you are not debugging the system. You are debugging the assumptions the previous engineer had about it. Three habits from restoring 1,643 locked-out users.