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eCommerce • Healthtech • Kids + Family • Retail • Social Media
The Senior iOS Engineer will enhance Babylist's app, collaborating on user experience, optimizing performance, and maintaining high coding standards.
Top Skills:
Auto LayoutCoreanimationFigmaiOSSketchpadSwiftUikit
Fitness • Healthtech • HR Tech
The Senior iOS Engineer will design and develop the Thrive Global Health Coach mobile app using Swift and SwiftUI, focusing on AI-powered health coaching features. Responsibilities include integrating APIs, optimizing performance, and collaborating across teams to enhance user experience.
Top Skills:
Apple HealthkitGraphQLRestSwiftSwiftuiUikit
Software
Build and ship high-velocity native iOS features in Swift using Combine and MVVM; collaborate with design, product, and engineering; own major user-facing capabilities to improve mobile-first preventative care.
Top Skills:
CombineMvvmPostgresPythonReactSwift
Primary Responsibilities
Requirements
- Design, build, and maintain customer-facing iOS applications with a focus on quality and performance
- Collaborate with Product and Design teams to define, design, and deliver new features
- Take ownership of the iOS codebase architecture, ensuring scalability, reliability, and maintainability
- Partner with backend and firmware engineers to design end-to-end solutions
- Mentor junior engineers through code reviews, pair programming, and technical guidance
- Advocate for coding standards, testability, and performance best practices within the team
- Identify and resolve complex technical issues, including debugging and performance optimization
- Stay current with iOS ecosystem trends and proactively recommend improvements
- Participate in Agile ceremonies, contributing to sprint planning, estimation, and retrospectives
- Maintain clear technical documentation for features, architecture decisions, and best practices
Requirements
- 5+ years of iOS app development experience, with a portfolio of shipped apps
- Expertise in Swift and SwiftUI, with deep knowledge of iOS SDK frameworks and Apple’s design guidelines
- Strong computer science fundamentals: data structures, algorithms, concurrency, memory management
- Proficient in REST APIs, JSON data handling, and integrating third-party SDKs
- Experience with unit/UI testing, CI/CD pipelines, and Agile development practices
- Skilled in debugging, profiling, and optimizing mobile applications
- Strong problem-solving and communication skills, able to work effectively in cross-functional teams
- Ability to rapidly prototype and iterate toward production-ready features
- Experience with iOS Bluetooth Low Energy (BLE) APIs
- Familiarity with cross-platform libraries
- Experience working with Google Firebase APIs
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
