Top Senior iOS Developer Jobs in NYC, NY

Develop and ship production-quality mobile apps using React Native and native iOS/Android technologies. Translate product requirements into performant, maintainable code, support prototyping and internal testing, and test/debug apps across a wide variety of mobile devices.

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

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.

Build and own complex iOS account and commerce features from technical design through launch. Develop reliable, performant, accessible experiences using modern declarative UI and unidirectional state architecture. Collaborate with backend, Android, web, product, design, and data science teams to ensure cross-platform consistency. Write tested maintainable code, resolve performance issues, participate in reviews, mentor engineers, and help establish iOS engineering practices for a newly formed team.

Design, build, test and maintain native iOS apps (Swift/SwiftUI/UIKit) and cross-platform apps with Flutter. Integrate Intune (MAM/MDM), REST APIs, follow MVVM, perform unit/integration testing, debug and optimize, and collaborate with product, design, and backend teams.

The Senior Product Engineer will deliver the iOS app for Stream, collaborating across teams for architecture, optimization, and user experience enhancements.

Lead development of the Medal iOS app, owning architecture and shipping features for real-time recording, clipping, feeds, discovery, and chat. Collaborate with designers and backend teams, run experiments, use analytics and user feedback, and maintain high code and UX quality for millions of users.

Lead iOS architecture and deliver native Swift/SwiftUI features for a regulated financial client. Own modularization, state management, CI/CD, testing, secure data handling, API integration, and App Store releases. Mentor a mid-level engineer and enforce compliance and quality standards while leveraging AI-assisted tooling to accelerate delivery.

Lead design-first iOS development for a new collectibles marketplace: architect the app foundation, build high-fidelity animated interfaces, implement networking and real-time updates, ship fast experiments, improve performance and reliability, and set engineering standards while partnering with product and design.

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.

Develop and maintain iOS applications using Swift and SwiftUI. Implement reactive code with Combine, follow design patterns, write UI/unit tests, profile and fix performance with Xcode Instruments, manage repos with GitHub, integrate crash reporting and analytics, and distribute frameworks via SPM/CocoaPods.

Design, build, and maintain high-quality native iOS applications using Swift and iOS frameworks. Implement UI with UIKit/SwiftUI, handle concurrency, integrate RESTful APIs, ensure unit testing, memory management, and automated code quality in CI/CD pipelines for high-traffic cloud-backed services.

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.

Senior iOS Developer responsible for building and maintaining native iOS apps using Swift and SwiftUI. Work includes iOS SDK and framework integration, multi-threading, memory management, unit testing, RESTful API integration, cloud/distributed services, CI/CD automation, code quality tooling, and version control collaboration.

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.

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.

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.

As a Senior iOS Engineer, you will enhance the rider mobile app, manage infrastructure services, and resolve critical production issues.

Lead development of Rogo's native iOS app, implementing features using Swift and SwiftUI, while establishing mobile practices and collaborating with teams.

Join a small team to develop innovative iOS applications focusing on AI, optimize performance, and enhance user experience. Expertise in Swift required.