Top Senior iOS Engineer Jobs in San Francisco, CA

Design and build native iOS apps and SDKs, develop iOS frameworks and UIs, integrate RESTful APIs, follow CI and unit testing best practices, work in an agile scrum team, provide iOS subject-matter expertise, and execute POCs for mobile payment initiatives.

Design, build, and own iOS and Android test automation in CI to provide quality signals for nightly, weekly, and release builds. Automate real user flows, triage failures, improve test robustness, sync test artifacts with release processes, and collaborate with engineers to shift checks into lower test layers.

Lead architecture design and implementation of iOS features for Tinder app, mentor team members, and collaborate with product and design teams to create user-focused solutions.

Lead technical strategy and architecture for core iOS frameworks, native video playback, and hybrid WebView integrations. Build WebView infrastructure and bridges, optimize performance at scale, develop automated testing and developer tooling, mentor iOS engineers, and drive cross-organizational architectural decisions to improve velocity and maintainability.

Develop and maintain iOS applications using Swift or Objective-C. Translate requirements into system designs, support production, optimize performance, collaborate with clients and global teams throughout the SDLC.

Develop and maintain native iOS applications using Swift and Xcode; optimize performance; follow SDLC processes; collaborate with global teams and stakeholders; apply analytical skills and open-source practices.

Develop and maintain native iOS applications using Swift and Xcode, ensure performance management and follow SDLC practices, collaborate with global teams, and contribute to cross-functional development efforts.

Develop native iOS applications using Swift and Xcode, focusing on performance, following SDLC best practices, collaborating across global teams, and maintaining high code quality.

Lead native iOS UI development using Objective-C and Swift, optimize performance, fix bugs, use iOS frameworks (Core Data, Core Animation). Support hybrid apps (PhoneGap/Cordova) and responsive web (HTML5/CSS3/Bootstrap/Angular). Execute projects, mentor teams, produce thought leadership, training, knowledge artifacts, and assist in solution/IP creation. Role requires extensive travel.

Develop and maintain mobile downloadable iOS applications using latest iOS SDKs. Apply Cocoa fundamentals and design patterns, participate in SDLC and project lifecycle activities, collaborate with diverse stakeholders, and work within the insurance domain in a global delivery environment.

Founding iOS Engineer to build the app's core intelligence layer. Must implement production CallKit and on-device continuous Speech Framework recognition, integrate with SwiftUI/CoreData, and optionally add Dynamic Island Live Activity via WidgetKit. Equity-only founding role; product details under NDA.

Own and enhance native iOS applications: build end-to-end features and UIs, integrate REST APIs and push notifications, optimize performance and localization, and manage releases across multiple regions while collaborating with a distributed team.

Lead iOS application development, create innovative features, collaborate with cross-functional teams, and ensure high-quality standards in a supportive environment.

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

Senior iOS developer to design and build maintainable, performant iOS apps using Swift/SwiftUI and modern concurrency. Build core UI infrastructure, write automated tests (XCTest/XCUITest), participate in code reviews, release apps to the App Store using CI/CD tooling, and partner cross-functionally to define mobile standards.

Design, build, and maintain high-performance native iOS applications. Collaborate with cross-functional teams to define and ship features, ensure app performance and responsiveness, fix bugs, integrate RESTful APIs and third-party libraries, participate in code reviews, and evaluate new technologies to improve development efficiency.

The role involves leading engineering decisions for the iOS app, shipping production code, enhancing app architecture, and engaging in product discussions.

The Senior iOS Engineer will lead product decisions, actively ship code, work within a product team, and enhance app architecture for Speechify's iOS app.

Own and improve Sekai's iOS app: ship fast, polished consumer features; ensure performance, reliability, and release velocity; apply modern Apple platform practices; collaborate with Product, Design, Backend, and Mobile teams; and use AI tools to accelerate development and iteration.

Lead multi-platform Search product and front-end strategy across iOS, Android, and Web. Design and ship end-to-end search and shopping experiences, partner with product, design, ML, infra, and back-end teams, use AI/LLMs to prototype and iterate, define architecture and best practices, mentor engineers, and drive measurable improvements via experimentation and data.

The Senior iOS Developer will lead mobile engineering projects, troubleshoot production issues, and develop scalable applications using Objective-C, with a focus on customer experience and supporting business solutions.

Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.

As a Senior iOS Engineer, you'll enhance user experiences, lead product direction, maintain the design system, and mentor engineers.

The Senior iOS Software Engineer will develop high-quality features for the native iOS app, optimize performance, conduct code reviews, and collaborate extensively with cross-functional teams.

The Data Recovery Engineer will provide IT support and troubleshooting on Macintosh/iOS platforms, focusing on data recovery and excellent customer service.