I build and fix the money layer of iOS apps: StoreKit 2 in-app purchases, RevenueCat, paywalls, and the server-side checks behind them.
I ship and maintain my own subscription app on the App Store, so most problems I fix for clients I have already hit on my own product first.
Most integrations stop at the SDK. I put the entitlement check on your server, where a modified client cannot fake it, and I build the backend it runs on: Node, TypeScript, Cloudflare Workers.
I work asynchronously, in writing. A plan before I touch code, an update each working day, a handover at the end.... Lee más