Top Senior iOS Developer Jobs

Build and maintain Layla’s cross-platform Flutter mobile applications for iOS and Android. Own end-to-end feature delivery, including architecture, API integration, data modeling, testing, performance, reliability, and release support. Collaborate with product, design, and backend teams to create accessible conversational travel-planning and booking experiences. Integrate AI/ML capabilities responsibly, contribute to native platform interoperability, improve engineering architecture and standards, and mentor other engineers.

Build and maintain Layla’s cross-platform Flutter mobile applications for iOS and Android. Own features end to end, including design, API integration, data modeling, testing, release, and support. Collaborate with product, design, and backend teams to create accessible, performant travel-planning and booking experiences. Integrate AI-driven capabilities responsibly, improve mobile architecture and reliability, contribute to native interoperability, and mentor engineers.

Build and lead core iOS platform capabilities, including architecture, navigation, shared UI, networking, persistence, and feature flagging. Drive technical planning for complex initiatives, deliver Swift-based features, and improve reliability, performance, testing, observability, and release practices. Establish engineering standards, contribute to architectural decisions, collaborate cross-functionally, and mentor engineers while supporting a maintainable, high-quality iOS codebase.

Build and lead core iOS platform capabilities for WHOOP’s regulated healthcare offerings. Develop Swift features, shared architecture, networking, persistence, and UI components while improving reliability, performance, testing, observability, and release practices. Lead technical planning for complex initiatives, collaborate with cross-functional teams, establish engineering standards, and mentor engineers. The role supports secure Medicare and Medicaid experiences and clinical behavior-change programs.

Architect, build, and maintain iOS connectivity software linking WHOOP hardware, mobile apps, and cloud services through BLE, Wi-Fi, and other protocols. Improve reliability, performance, power efficiency, background processing, synchronization, and data transfer. Establish scalable, testable architecture; reduce technical debt; improve testing and code review standards; coordinate with firmware and cross-functional teams; and manage iOS release, signing, testing, and App Store submission processes.

Own and build native iOS experiences across shopping, checkout, booking, and post‑booking flows. Design and implement technical solutions, write testable and observable code, collaborate with cross‑functional teams, troubleshoot production issues, and safely integrate AI/ML capabilities while ensuring reliability, performance, and operational excellence.

Design, build, test, and maintain iOS and Android mobile applications with accessibility, localization, and offline support. Own releases, perform code reviews, collaborate with QA, research mobile trends, write technical documentation, provide post-launch support, and mentor junior engineers. Must work variable schedules including nights and weekends as needed.

Lead development of secure, scalable iOS and Android applications using Swift, SwiftUI, Objective-C, Java, and Kotlin. Responsibilities include designing and reviewing production code, implementing complex mobile features, integrating native capabilities and APIs, optimizing performance, supporting automated testing and SRE practices, collaborating with UX and stakeholders, and guiding responsible use of AI-assisted development tools. The role also contributes to technology decisions, security, Agile delivery, and operational stability.

Provides technical leadership for secure, scalable native iOS and Android applications. Designs, develops, tests, debugs, and optimizes mobile software using Swift, Objective-C, Java, and Kotlin. Leads architecture decisions, API and device-capability integrations, CI/CD delivery, Agile and SRE practices, and cross-functional collaboration. Establishes responsible AI-assisted engineering practices, validates AI outputs for security and quality, coaches engineering teams, and supports operational reliability, governance, and risk management.

Own the iOS mobile roadmap and technical strategy for Superhuman Mail. Lead high-impact, cross-team engineering initiatives; define the mobile platform’s architecture, technical foundations, and one-to-two-year investment roadmap. Partner with product and engineering leadership on strategy and execution, mentor senior engineers, drive cross-functional alignment, and improve team delivery through AI-native development practices while maintaining high-quality user experiences.

Own the iOS mobile roadmap and technical strategy for Superhuman Mail. Lead high-impact, complex engineering initiatives; define the mobile platform’s architecture, technical foundations, and one-to-two-year vision; partner with product and engineering leadership on strategy and execution; mentor senior engineers; drive cross-functional alignment; and promote AI-native software development practices while delivering reliable, high-quality mobile experiences.

Lead technical design, develop and maintain high-quality iOS applications and reusable frameworks. Drive secure, automated CI/CD practices, operational stability, and AI-assisted engineering adoption. Mentor teams, evaluate external vendors, and promote best practices across software engineering communities. Apply cloud-native and financial-services domain knowledge to deliver scalable mobile solutions.

Lead design and implementation of Neighborhoods mobile experiences across Cash App and Square. Shape cross-team architecture, stay hands-on with iOS development (SwiftUI, Workflow), drive integrations for discovery, ordering, loyalty, and fulfillment, mentor engineers, and apply AI-assisted workflows to accelerate development and quality.

Develop and lead iOS software solutions using Swift, collaborate with engineering, UX/UI, quality, and product teams, and deliver high-quality mobile experiences. Participate in Agile ceremonies, advocate for mobile platforms, review code, resolve technical obstacles, improve engineering practices, and mentor junior and mid-level engineers. Own major platform components, engage across mobile and backend disciplines, and provide subject-matter-expert leadership for mobile development.

Design and build native iOS and iPadOS user experiences, prototype and translate Figma designs into production-quality Swift/SwiftUI/UIKit code, collaborate with users and cross-functional teams, create UX documentation, ensure accessibility and interaction polish, and iterate based on user feedback through end-to-end product design and CI/CD practices.

Lead cross-team iOS engineering for Neighborhoods across Cash App and Square: define architecture, stay hands-on with SwiftUI/Workflow codebases, deliver integrated loyalty/ordering features, mentor engineers, and adopt AI-native workflows to accelerate development and quality.

Develop new mobile applications for iOS while collaborating with teams to integrate existing technologies. Lead projects while mentoring junior engineers.

Lead design and deliver iOS platform infrastructure and reusable frameworks. Write production-quality Swift/Objective-C code, build testing and accessibility tooling (XCUITest, BDD/Cucumber), validate AI/ML features, support CI/CD and cloud device execution, and partner with scrum teams to monitor and resolve production issues.

Lead and contribute to iOS app architecture and development, produce secure high-quality production code, mentor engineers, drive AI-assisted engineering adoption, evaluate vendor/architecture options, partner with product/design/backend teams to deliver performant, accessible, and resilient native iOS experiences.

Design, architect, implement, and optimize high-performance iOS camera features (primarily Objective-C). Develop and launch stable mobile features, collaborate with Design, perform code reviews, and leverage AI tools responsibly to accelerate development while ensuring performance, security, and production quality.

Build and ship Swift-first iOS features that surface AI/LLM-driven conversational and context-aware experiences. Architect performant, privacy-conscious apps using modern concurrency, SwiftUI, networking (REST/WebSockets/streaming), offline storage, background tasks, and analytics-driven iteration. Collaborate with product, design, and backend teams and use AI-assisted development tools while maintaining high code quality and testing standards.

The Senior iOS Engineer will lead the iOS team, design and develop app features, ensure reliability, and collaborate across functions while navigating Apple ecosystem updates.

Lead technical design and deliver secure, high-quality iOS and mobile applications using Swift, SwiftUI, and Objective-C. Mentor peers, review code, adopt enterprise AI-assisted development tools, implement native features (Camera, Push, GPS, CoreML), integrate APIs, ensure mobile security, and support SRE practices within Agile/CI-CD workflows.

Lead development of secure, high-quality iOS applications using SwiftUI; design, implement, test, and maintain production code; drive team adoption of enterprise AI-assisted engineering, automation, and resilient CI/CD practices; mentor engineers; evaluate vendors and integrations to improve operational stability and security.

Lead development of iOS client solutions, partner with cross-functional teams, participate in Agile delivery, mentor engineers, own major mobile components, review code, advocate mobile best practices, and stay current with mobile technologies.