Zaid Mubbasher

Three years on a live mobile-banking app taught me this: fintech iOS is less about fancy UI and more about trust under bad networks.

What actually matters in production😍

1. Offline-first for money f CoreData (or equivalent) so amount entry, beneficiaries and recent transfers...

AssistOS - a demo executive virtual-assistant workspace I built to show how I support founders: daily brief, inbox triage with approved reply templates, calendar protection, tasks with SLA tracking, expense capture and a living SOP library. Sample data, real workflow - decisions...

UBL Tezraftaar - mobile banking for a major Pakistani bank. Three years as iOS engineer on the customer-facing money-transfer journeys: amount entry with live exchange rate, beneficiary/payee management, quick transfers, KYC onboarding and biometric login, with CoreData offline...

Spent this week wiring AI features into production iOS apps - chat assistants, document understanding, and voice-to-summary flows.

Three things make or break these integrations.

1. Never ship the API key in the binary. Extracting a hardcoded key from an IPA takes minutes - use a...