Top iOS Developer Jobs in Boston, MA

Build and maintain native iOS features for WHOOP’s health and fitness app using Swift and RESTful backends. Collaborate with engineering, product, design, data science, and performance science teams to plan and deliver capabilities. Contribute to technical planning, testing, debugging, code reviews, performance monitoring, documentation, and scalable foundational systems, with support from senior engineers.

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.

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.

Design, build, and maintain scalable, high-performance iOS applications using Swift. Deliver end-to-end features, integrate with back-end services, implement animations and Auto Layout, ensure test coverage and CI/CD, profile and optimize performance, and mentor team members.

Senior iOS Developer to design and build secure, high-performance iOS apps using Swift (SwiftUI/UIKit). Implement webview integrations (WKWebView/ASWeb), ASWebAuthenticationSession for OAuth/SSO, JavaScript interop, and native features (camera, push, maps). Ensure responsive web content handling and secure data management. Remote role but must be Bangalore-based with weekly (~1 hour) client office visit to collect a device.

Develop and maintain robust, accessible, and performant native iOS applications using modern Swift technologies and architectures. Collaborate with product, architecture, UX, and platform teams to define roadmaps, engineering standards, tooling, and design patterns. Build product features and UI infrastructure, write automated tests, modernize codebases, support App Store releases, and contribute through code reviews, mentoring, pair programming, and mobile engineering expertise.

Build and ship native iOS features in Swift, manage EAS builds and App Store submissions, and contribute to React Native and TypeScript code when needed. Work within Supabase and related backend systems, submit reviewed GitHub pull requests, debug test-user feedback, identify launch requirements, and communicate progress and blockers independently. This is project-based, part-time work reporting directly to the founder.

Build and maintain production-grade iOS applications using Swift and SwiftUI, integrating AI features through backend APIs. Design reliable AI interaction patterns, optimize performance, memory, battery, and latency, and support monitoring, feedback capture, and root-cause analysis. Collaborate with backend and ML engineers on API behavior, reliability, and user trust while shipping stable App Store experiences.

Design, implement, launch, and maintain user-facing features for the Verily Me iOS app. Collaborate with product, UX, test, and engineering teams to ensure cross-platform consistency, regulatory compliance, quality, and strong user experience. Participate in code and design reviews and improve mobile developer productivity.

Develop and maintain user-facing features for Verily Me, an iOS app, collaborating with cross-functional teams to enhance user experience in healthcare delivery.

Own and ship the mobile app end-to-end: design architecture, implement native iOS/Android features (push, background tasks), integrate anti-smishing and verification-code protections, manage builds/releases and crash reporting, and collaborate with product, design, and security teams.

The role involves designing, developing, and maintaining iOS applications, driving technical architecture, and promoting knowledge sharing within the team.

Lead development and improvement of a production iOS app used by tens of thousands. Own architecture, UI, networking, local persistence, and automated tests. Collaborate with Android and backend teams, diagnose async and device-specific issues, use Xcode Instruments, CI, and crash/analytics tooling, and drive product-minded technical decisions.

Build and maintain performant, accessible consumer-facing experiences for Netflix’s iOS app using Swift and GraphQL. Collaborate with product managers, designers, and engineers to scope projects, refine interfaces, develop shared infrastructure, and make architectural trade-offs. Teams may focus on client foundations, server-driven UI, advertising frameworks, or ad insertion. Responsibilities include writing robust maintainable code, automation, documentation, and supporting high-quality, scalable mobile experiences.

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in product discussions, support prototyping and internal testing, and test/debug apps across many devices.

Design, develop, test, and maintain customer-facing iOS applications using Swift. Collaborate across design and engineering to integrate REST APIs and third-party SDKs, follow architecture patterns (MVVM/MVC), participate in code reviews, write unit tests, support CI/CD and App Store releases, and maintain observability and performance standards.

Design, implement, and ship new features for native iOS apps using Objective-C and Swift. Collaborate with product, design, and engineering across the product lifecycle, fix bugs, maintain code quality, and own features for a flagship consumer app serving millions. Must work Eastern Standard Time hours.

Develop high-quality, performant, accessible consumer-facing experiences for Netflix’s iOS app using Swift and GraphQL. Responsibilities include building maintainable code, automation, documentation, server-driven UI infrastructure, and ad experiences. Collaborate with product managers, designers, and engineering teams to scope projects, refine interfaces, design scalable solutions, and balance business, product, and architectural trade-offs.

As an iOS Engineer at Geo, you will develop user interfaces, own the app architecture, and write high-performance code.

Build and maintain high-performance iOS mobile applications using React Native. Collaborate with designers, product, and backend teams to implement features, integrate RESTful APIs, optimize performance, debug issues, write clean code, participate in code reviews, and keep up with mobile development best practices.

Lead ownership of the iOS platform: build offline-first apps with local persistence and sync, real-time communication, media capture/uploads, location/scheduling, and polished, accessible UI/UX for multiple user roles.

Lead design and development of high-performance, offline-capable iOS (iPad) and Android apps for mission-critical drone operations. Build real-time maps, video streaming, telemetry overlays; integrate with hardware; optimize battery, memory, and latency; implement offline-first sync; collaborate with backend/hardware teams; mentor engineers and establish CI/CD, testing, and security best practices.

The Core iOS Senior Engineer will lead mobile development projects, troubleshoot issues, and contribute to code reviews, requiring strong experience in Objective-C and mobile software development.

Build and maintain Compass's iOS mobile app features. Collaborate with Product and Design, participate in design and code reviews, write tests and documentation, integrate with RESTful services, and drive engineering initiatives to improve platform quality and velocity.