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Staff iOS Engineer (San Francisco)

Scrollmark

Salary not specified
Aug 29, 2025
San Francisco, CA, USA
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Scrollmark is building SocialGPT, an AI copilot for social media content creation, to help creators and brands plan, create, and grow with confidence. The company is seeking a senior iOS engineer to build a world-class iOS experience that powers these AI social media workflows.

Requirements

  • Expertise in Swift/SwiftUI (and UIKit where pragmatic): Strong command of async/await, Combine (or equivalents), navigation patterns, state management, and accessibility
  • Product & System Design: Translate creator needs into elegant flows; design scalable architectures (modularization, dependency injection, background tasks, data sync, caching)
  • Media & Performance Chops: Hands-on with AVFoundation/PhotoKit, background processing, offline caching, networking, and rigorous performance tooling (Instruments, MetricsKit)
  • Platform Integrations & Quality: Experience with notifications, widgets, deep links, share extensions, authentication, analytics/experimentation, and App Store submission guidelines
  • Core ML (on-device assist features)
  • design systems
  • Android or cross-platform awareness (KMP/Flutter/RN)

Responsibilities

  • Design and ship a fast, intuitive, native iOS app (Swift/SwiftUI, UIKit where it fits) that makes content planning, creation, and publishing feel effortless.
  • Build frontend flows to present insights and suggestions generated by SocialGPT in the most impactful way
  • Own app responsiveness, animations/haptics, offline-first UX, background uploads, and startup time using Instruments, signposts, and proactive profiling.
  • Prototype quickly with design and product, run user studies with creators, and refine based on in-app analytics, crash-free rate, and p99 UI latency.
  • Set up feature flags, TestFlight cohorts, release notes, and crash/trace monitoring.
  • Contribute to roadmap and design system; establish mobile best practices, code standards, and testing (unit/snapshot/UITests); mentor teammates as we grow.

Other

  • 5+ Years Shipping iOS Apps: You’ve built and maintained production iOS apps with meaningful scale and ratings, and you can point to features you owned end-to-end
  • Self-Starter, Creator-Obsessed: You thrive in ambiguity, ship with craft, and care deeply about the details that make creators faster and more confident
  • set the roadmap and mentor/hire as we scale.
  • combine technical expertise with a self-starter attitude.
  • privacy/security best practices for media apps.