Own the iOS roadmap for Instacart's shopper checkout, payments, and OCR-driven order-discrepancy experience

This Senior iOS role sits on Instacart's Transaction Platform team, owning the shopper-facing checkout and payments experience plus OCR-based point-of-sale discrepancy detection. It requires deep production Swift (UIKit + SwiftUI, Swift Concurrency, reactive programming) and technical leadership steering iOS strategy, not just executing tickets.

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What this interview tests

Production Swift: UIKit + SwiftUI, Swift Concurrency, reactive programming (RxSwift/Combine)
MVI/MVVM architecture in a modular, multi-package iOS codebase
Payments/checkout and camera-OCR integrations
Observability-driven incident diagnosis in production mobile apps
Steering iOS roadmap and technical leadership

Common question themes

Walk through a feature you shipped end to end including rollout and observability validation

How have you applied MVI or MVVM with protocol-based dependency injection in a modular codebase

Describe integrating a payments (Apple Pay/PassKit) or camera/OCR SDK and the edge cases you hit

Tell me about a time you drove iOS product strategy rather than just implementing a spec

How do you approach reducing tech debt or modernizing legacy components in an established codebase

How candidates describe it

Real Senior iOS Engineer interview stories — retold from candidates' public write-ups, with sources.

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Interviewed January 2023 · Not specified

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