Top Senior iOS Engineer Jobs in NYC, NY

Design, build, and maintain high-quality iOS applications for patient care. Lead architectural efforts, improve app performance, and mentor teammates.

Lead design and delivery of iOS client solutions, collaborate with cross-functional teams, mentor engineers, review code, drive platform initiatives, and advocate mobile best practices while ensuring high-quality Agile delivery.

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.

Lead development and delivery of iOS client solutions, collaborate with cross-functional teams, mentor junior engineers, own major platform components, ensure code quality and adherence to Swift idioms, and engage in mobile developer communities.

Collaborate with engineers and designers to develop and optimize Suno's iOS app, focusing on music playback features and UI components.

As a Senior iOS Software Engineer, you will develop and maintain native iOS applications using Swift, mentor junior engineers, and collaborate on software projects.

Join a fintech company as an iOS Engineer to enhance mobile products, collaborating cross-functionally and driving impactful features from design to launch.

As a Mobile iOS Developer Intern, you will develop and maintain the iOS app using AI-driven tools. Responsibilities include feature implementation, collaborating with teams, writing effective prompts, and enhancing user interfaces with AI.

Build and ship Medals iOS experience: real-time recording, clipping, social feeds, content discovery, and chat. Shape mobile architecture, drive end-to-end projects, collaborate with designers and backend teams, use analytics and user feedback to iterate quickly for millions of users.

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 design and implementation of major iOS app areas from architecture to release. Ship features across discovery, purchasing, opening, collections, wallet, and retention. Improve app architecture, developer workflows, code quality, and performance while partnering with founders, design, and backend teams.

Lead design and implementation of privacy-first iOS apps, build and iterate Cloaked Pay screens, own mobile payments, ship UI-heavy SwiftUI features, integrate REST/GraphQL APIs, use Core Data/offline storage, develop iOS and Safari extensions, enforce architecture and testing best practices, mentor engineers, and collaborate across design, backend, and product.

The Senior iOS Engineer will design and optimize the iOS SDK, improve performance, enhance testing, lead releases, and advocate best practices.

The Founding Mobile Engineer will own the Jetty mobile experience, building user-facing features, optimizing the app architecture, and integrating AI insights. This role requires strong iOS skills and experience in startups, with a focus on product quality and user engagement.

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.

Design and implement polished mobile product experiences by prototyping and shipping iOS UI using SwiftUI/UIKit. Collaborate with Product, Design, and Engineering to build design systems, craft pixel-perfect interactions and motion, and iterate rapidly on AI-powered creative tools from concept through production.

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.

Develop and support iOS applications focusing on privacy and security, collaborating with teams for feature development and user experience improvement.

Build and own Capes iOS app using Swift and SwiftUI, from architecture through App Store launch. Implement secure, high-performance features, collaborate cross-functionally, maintain code quality, and improve user workflows while applying privacy and cryptography best practices.

Lead and mentor iOS development teams to design, build, test, release, and support high-quality mobile applications. Drive architecture, code reviews, CI/CD adoption, production troubleshooting, and cross-functional collaboration to meet business and security standards.

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

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

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.

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.