Top Senior iOS Developer Jobs in San Francisco Bay Area, CA

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.

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.

As a Senior iOS Engineer, you will develop and enhance the iOS SDK, collaborate with teams on features, and provide mentorship.

Lead architecture and development of Credit Genie’s iOS apps using Swift (Swift 6). Implement UX from design mocks, collaborate with product/marketing/engineering, improve development practices, mentor engineers, contribute across the development lifecycle, and evaluate emerging technologies to scale the app.

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.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

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.

Lead end-to-end mobile development for iOS and Android, building resilient, intuitive caregiver-focused experiences. Implement offline-first patterns, robust testing frameworks, observability, and partner cross-functionally to improve performance, reliability, and release quality.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.

As a Senior iOS SDK Engineer, you'll design, implement, and optimize core SDK features, maintain integrations with ad networks, and improve SDK usability by collaborating with publishers and product teams.

Design, build, and maintain high-quality iOS apps. Collaborate with PMs and designers, mentor engineers, and manage code ownership.

Lead design, build, and launch new features for Ramp's iOS app. Own roadmap prioritization, code quality, reviews, and mentor engineers while partnering with Product and Design to iterate from feedback to production.

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

The Senior iOS Engineer will lead engineering decisions, ship production code for the Speechify iOS app, and enhance the app architecture. The role requires experience with scaling products, customer focus, and strong technical skills in Swift and SwiftUI.

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.

The Senior Software Engineer, iOS will architect, develop, and maintain Poshmark's iOS application, influencing various development aspects and collaborating cross-functionally while delivering high-quality code.

The iOS Engineer will develop and maintain a critical mobile application for autonomous drone systems, focusing on feature implementation, UI/UX design, and data processing in challenging environments.

Build and enhance iOS applications using cutting-edge technology, collaborating with various teams to develop user-friendly mobile experiences and optimize app performance.

Design and develop mobile applications as a Senior iOS Engineer, leading architectural decisions and collaborating with teams to create user-friendly products. Ensuring performance and quality through continuous improvement while mentoring others in the engineering team.

Lead design and development of Amplitude's core iOS SDKs (Analytics, Session Replay), set technical direction and cross-SDK architecture, improve performance, reliability, and developer experience, design stable public APIs and shared infrastructure, collaborate with Product and Support, and lead cross-team technical decisions, testing, documentation, and tooling.

Senior native mobile developer responsible for designing, building, publishing, and maintaining iOS and Android applications. Collaborate with cross-functional teams, implement performance optimizations, and own mobile app lifecycle from design through App Store/Play Store release.

Lead development of the companys first iOS app, owning architecture, state, navigation, offline support, CI/CD and App Store delivery. Build polished Swift/SwiftUI user experiences, collaborate with design and product, use AI coding tools to iterate quickly, and establish mobile standards and tooling as the team grows.