What we have learned building software for clients — architecture decisions, trade-offs, and the things we would do differently.
What genuinely shares between iOS and Android, where cross-platform quietly costs you, and when a limited budget still points towards writing native code.
The engineering behind a rewards product: ledger integrity, tenant-scoped authorisation, QR redemption, wallet passes, scheduled jobs and insider fraud.
What it takes to add a model to a live Express app: staging output before it reaches production data, per-attempt timeouts, cost control and cheap evaluation.