Top iOS Developer Jobs in NYC, NY

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.

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 the lead iOS engineer, you'll own the mobile development lifecycle, collaborate with teams, build apps, and ensure secure data handling.

As a Senior iOS Engineer, you will lead feature development and architectural decisions for iOS/watchOS while mentoring other engineers and collaborating across teams to build high-quality consumer apps.

The iOS Engineer will develop features for Bevel's iOS and watchOS apps, focusing on Swift code quality, collaborating with design, and optimizing performance.

As a Staff iOS Engineer, you will lead mobile app architecture, collaborate with teams, improve development practices, mentor engineers, and stay updated with industry trends.

As an iOS Engineer at Ramp, you'll develop and enhance the mobile app, establish engineering standards, and collaborate with cross-functional teams.

Design and develop the iOS app for Suno, focusing on performance and user experience. Mentor team members and set technical direction.

As a Senior iOS Engineer, you will develop features for Duolingo's short-form lessons, collaborate on software projects, mentor junior engineers, and optimize applications. Responsibilities include building iOS apps in Swift and enhancing user engagement in educational content.

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.

The Senior iOS Engineer will develop and maintain iOS applications, build cross-platform apps using Flutter, and collaborate with teams to enhance productivity and performance for clients.

Design, build, and maintain high-performance native iOS applications using Swift and SwiftUI/UIKit. Collaborate with product, design, and backend teams to implement features, write clean MVVM-based code, test and debug, integrate RESTful APIs, and optimize app performance for a flagship wealth-management mobile platform.

Build and maintain production-grade iOS applications using Swift and SwiftUI, integrating AI features through backend APIs. Design reliable AI interaction patterns, optimize performance, memory, battery, and latency, and support monitoring, feedback capture, and root-cause analysis. Collaborate with backend and ML engineers on API behavior, reliability, and user trust while shipping stable App Store experiences.

Design and build native iOS features for investment and cash accounts, write automated tests, integrate with design systems and backend APIs, own projects end-to-end, collaborate with cross-functional teams, mentor peers, and support production iOS app and CI through on-call rotations.

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.

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

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 maintain a native iOS application in an agile team. Deliver clean, testable Swift code, integrate third-party APIs, and work full-stack with Node.js and databases. Research device/data-analysis plug-ins for sensors, position detection, predictive tracking, and support product specifications, roadmaps, partners, and community.

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

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

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.