Senior Mobile Engineer (iOS)

Rocket MortgageDetroit, MI

About The Position

As a Senior Mobile Engineer (iOS), you will play a key role in building innovative, reliable, and beautifully crafted native iOS applications. You’ll leverage modern Apple frameworks to architect high‑quality solutions while guiding engineering excellence and collaborating closely across disciplines. You will be embedded in the Transactions team that supports Mortgage Origination workflows. You’ll translate complex, regulated business processes related to one of the most important moments in many of our lives (Home Buying) into secure, intuitive mobile experiences.

Requirements

  • 5+ years of professional iOS development experience.
  • Deep expertise in Swift, SwiftUI, UIKit, Combine, and common iOS architectural patterns (MVVM, VIPER, Clean Architecture).
  • Strong understanding of concurrency, memory management, and Apple platform fundamentals.
  • Experience designing scalable module boundaries and reusable components.
  • Ability to influence technical strategy and guide engineers toward high‑quality patterns.
  • Strong communication skills and experience collaborating with cross‑functional partners.

Nice To Haves

  • Experience with SwiftUI‑first architectures and modern Apple ecosystem tools.
  • Familiarity with GraphQL, async/await, and cloud‑native service integrations.
  • Experience using tools such as Xcode Instruments, TestFlight, and Firebase Crashlytics.
  • Background in high‑security or regulated industries is a plus.

Responsibilities

  • Architect, build, and maintain features for our native iOS applications using Swift and SwiftUI (or UIKit where appropriate).
  • Lead system design and technical decisions that ensure modularity, scalability, and long‑term maintainability.
  • Deliver refined, responsive interfaces that feel seamlessly integrated into the Apple ecosystem.
  • Own large features end‑to‑end, including prototyping, implementation, testing, release, and continued improvement.
  • Build robust unit, snapshot, and integration tests that ensure stability and reduce regression risks.
  • Collaborate with product managers, designers, backend teams, and other mobile engineers to define requirements and deliver exceptional client experiences.
  • Mentor peers, conduct code/design reviews, and model engineering best practices.
  • Monitor and optimize app performance, instrumentation, logging, and crash‑free reliability metrics.
  • Contribute to automation and CI/CD improvements to streamline delivery pipelines.

Benefits

  • Perks and health benefits that will help you have peace of mind.
  • Career growth
  • Amazing benefits
  • The chance to work with leading industry professionals.
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