Top iOS Developer Jobs in San Francisco Bay Area, CA

Develop and ship high-quality iOS app features using Swift, UIKit, and SwiftUI. Collaborate with product managers, designers, and engineers; test and review code; diagnose bugs; improve scalable architecture; and document technical designs. The role also involves experimenting with new ideas, supporting product metrics, and contributing to a rapidly evolving engineering environment.

Build and ship end-to-end features for Augment’s iOS app, collaborate closely with product, design, backend, and fellow iOS engineers, and contribute to architecture, code quality, tooling, and long-term product health. The role emphasizes Swift and SwiftUI development, ownership, thoughtful collaboration, feedback, and effective use of AI-assisted development tools.

Develop and deliver native iOS features for MyFitnessPal’s Cal AI food-logging experience. Responsibilities include building interfaces in Swift, optimizing UI, storage, and network performance, implementing tests, researching technical solutions, collaborating with product and design teams, promoting engineering best practices, and mentoring junior developers.

Develop and lead frontend platform engineering for native and hybrid mobile applications. Build reusable, well-tested Android and iOS SDK components, contribute to architecture and system design, collaborate with product and engineering teams, own customer-facing deliverables, and identify product improvements while maintaining strong engineering standards.

Own iOS technical direction for Everand and Scribd growth, retention, and monetization features. Build subscription, paywall, and in-app purchase flows using StoreKit; ship experiments; integrate APIs; improve stability and reduce technical debt. Collaborate with backend, web, and Android teams, lead technical initiatives, and mentor engineers while delivering scalable Swift applications.

Lead the architecture and development of Unity Ads’ iOS SDK. Design high-performance Swift components, ensure backward compatibility, collaborate with Android engineers, and own complex initiatives from design through rollout. Diagnose production issues involving lifecycle, concurrency, memory, networking, rendering, WebViews, and host-app integrations. Improve performance, reliability, crash rates, observability, and release safety while mentoring engineers and influencing technical direction.

Build and maintain iOS developer tooling for Slack, including Bazel build systems, CI/CD pipelines, automated testing, and AI-agent workflows. Improve CI stability, merge times, and build performance through intelligent automation. Lead technical design, establish high code-quality standards, mentor iOS engineers, and troubleshoot complex development infrastructure across Slack’s iOS codebase.

Build and scale customer-facing iOS marketplace experiences using Swift and SwiftUI. Implement feature-flagged functionality, write unit and UI tests, collaborate with Product, Design, Android, backend, QA, and senior iOS engineers, and take increasing ownership of reliability and operational health. Use AI tools for coding, refactoring, testing, debugging, documentation, and reducing repetitive work while critically validating generated outputs.

Drive projects that improve AI agent effectiveness across software development workflows. Build and maintain reliable developer tooling, iOS frameworks, libraries, build systems, and testing infrastructure. Collaborate with cross-functional partners to improve developer productivity, increase AI agent efficiency and reliability, and deliver roadmap initiatives across large-scale codebases.

Lead iOS platform initiatives that improve developer productivity and AI-agent effectiveness across software development workflows. Build and enhance frameworks, tooling, libraries, build systems, CI, and testing infrastructure for Airbnb’s large-scale Swift codebase. Collaborate cross-functionally to identify inefficiencies, drive roadmap projects, support migrations, and improve AI-agent execution time, token efficiency, reliability, and quality.

Build and maintain consumer iOS and React Native experiences for health results, biomarker data, chat, and other member journeys. Own mobile architecture, native integrations, reusable components, performance, accessibility, testing, observability, reliability, and App Store releases. Collaborate with product, design, clinical, web, and backend teams on clear health experiences, shared data contracts, and cross-platform development patterns. This is an in-person San Francisco role with substantial ownership in a small startup team.

Build and ship native iOS features for onboarding, accounts, cards, payments, transfers, rewards and AI-assisted journeys. Improve performance, reliability and UX; integrate APIs and authentication; collaborate with product, design, backend and AI teams; own app quality and production issue debugging.

Develop and ship high-performance features for iOS, iPadOS, and macOS applications. Responsibilities include coding, testing, debugging, modernizing, documenting, reviewing code, mitigating technical risks, collaborating with product and engineering teams, and communicating progress to stakeholders. The role requires Swift and Apple platform experience, strong computer science fundamentals, problem-solving ability, and effective cross-functional collaboration.

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

Build and improve scalable, accessible iOS experiences for Wikipedia. Lead technical discovery, system design, implementation, testing, observability, prioritization, and delivery of medium-complexity initiatives. Collaborate with product managers, designers, analysts, and engineers while managing scope, risks, tradeoffs, and documentation. The role requires strong Swift, SwiftUI, UIKit, iOS architecture, and performance optimization experience in an autonomous, remote, cross-functional environment.

Develop and maintain foundational iOS infrastructure, networking, architecture, UI frameworks, and shared components used by Lyft mobile engineers. Collaborate across engineering and design teams to define mobile architecture, improve developer productivity, reduce development friction, support iOS engineers, and contribute to open-source projects. The role emphasizes scalable, reliable Swift code, clean APIs, mentoring, documentation, and leading projects from concept through completion.

Own and enhance the native iOS application by building polished, performant user interfaces, architecting scalable and maintainable code, writing unit and functional tests, resolving production issues, and improving existing systems. Collaborate closely with Design and Product teams to develop features, refine processes, and contribute to product decisions and technical improvements.

Own and enhance the native iOS application by building polished, performant features; architect scalable and maintainable code; write unit and functional tests; debug production issues; collaborate with Design and Product; contribute to product decisions; refactor code; and improve engineering processes. The role requires strong native iOS and Swift experience, with GraphQL, SwiftUI, and Combine preferred.

Develop and maintain native iOS applications using Swift, focusing on performance, scalability, usability, and robust architecture. Partner with product, design, and engineering teams on planning and delivery; troubleshoot complex issues; write tests; maintain CI/CD workflows; and improve code quality. The role includes technical leadership, mentoring junior engineers, documentation, code reviews, and staying current with iOS technologies and development practices.

As a Staff Software Engineer (iOS), you will collaborate with teams to build mobile solutions for media manipulation, promote code quality, and shape the technical vision of VSCO's mobile platform.

Develop mobile applications for Android and iOS, including image and PDF text extraction. Responsibilities require Java development, Android/iOS SDK expertise, XML and JSON handling, SQLite and SQL database experience, and compatibility across devices and Android OS versions. Candidates must have published at least two image/PDF text-extraction applications.

Lead hands-on development of user-facing Android and iOS applications, taking ownership from design through production release. Build maintainable, well-tested features, optimize performance, debug unfamiliar systems, and manage app-store publishing. Collaborate with product, design, backend, and users in an agile, remote environment. Use AI coding agents responsibly to accelerate implementation, testing, reviews, infrastructure work, and incident investigation.

Build, test, release, and maintain native Android and iOS applications across a portfolio of consumer mobile products. Use Kotlin, Swift, modern mobile frameworks, automated testing, analytics, experimentation, and AI coding agents to deliver high-quality software. Collaborate with product, design, marketing, operations, and engineering teams, measure user impact, manage app-store releases, and adapt across codebases and product pods.

As an iOS Engineer on the Buyer Growth team, you will lead growth initiatives, develop features for our iOS app, and collaborate with various teams to improve user acquisition and retention.

Own Android and iOS mobile development for a large consumer VPN product. Inherit and modernize existing codebases, integrate native VPN networking libraries, improve security, testing, CI/CD, release management, and app-store compliance. Collaborate with product, design, backend, DevOps, and marketing teams to deliver reliable user-facing features. Diagnose networking issues across mobile and Go components, optimize connection performance, and use AI coding agents responsibly.