Top Senior iOS Developer Jobs

Lead mobile technical direction for trading tools while remaining hands-on with iOS development. Own scalable architecture for high-volume trading interfaces, real-time market data, charting, portfolios, and watchlists. Improve performance, observability, release stability, and cross-platform consistency across iOS and Android. Guide system design, AI integration, incident resolution, and technical planning while partnering with product and design teams. Mentor engineers and influence mobile platform strategy across the organization.

Leads architecture, development, testing, release, and support of native iOS features for Target’s Reorder and Buy It Again experience. Develops scalable Swift applications using SwiftUI, UIKit, and TCA; drives technical decisions, performance, observability, and reliability improvements; coordinates cross-team delivery; and mentors engineers. Partners with Product, UX, backend, analytics, and engineering teams to deliver intuitive, high-quality mobile experiences.

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.

Build and maintain scalable iOS applications for crypto perpetuals trading. Design high-performance mobile experiences with real-time market data, charting, order entry, position management, and risk-aware workflows. Partner with product, design, backend, and data teams; improve performance, observability, reliability, and release stability; lead technical planning; resolve incidents; mentor engineers; and establish architecture, testing, documentation, and engineering standards.

Design, implement, and deliver complex projects for Uber’s experimentation platform. Build reliable, resilient features in the iOS Mobile SDK, collaborate with mobile engineering teams, and improve system reliability by identifying and fixing bugs. The role also contributes to platform tooling, automation, feature rollout, experimentation, and developer productivity at scale.

Leads development of secure, scalable mobile applications for iOS and Android. Responsibilities include writing and reviewing production code, designing complex front-end solutions, integrating native device capabilities, optimizing performance, implementing automated testing, collaborating with UX teams, and supporting SRE practices. The role also involves advising stakeholders on technology adoption, using AI-assisted development tools responsibly, and following Agile and continuous delivery practices.

Build and ship native iOS features in Swift, manage EAS builds and App Store submissions, and contribute to React Native and TypeScript code when needed. Work within Supabase and related backend systems, submit reviewed GitHub pull requests, debug test-user feedback, identify launch requirements, and communicate progress and blockers independently. This is project-based, part-time work reporting directly to the founder.

Lead the architecture and evolution of native iOS foundations supporting seller-facing applications. Identify systemic problems, define platform strategy and standards, build prototypes and reference implementations, lead multi-quarter migrations, and establish practices for quality, testing, observability, release safety, and maintainability. Develop senior engineers and create scalable ownership models across teams.

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 scale customer-facing iOS applications for OPENLANE’s wholesale vehicle marketplace. Responsibilities include designing Swift and SwiftUI features, leading iOS architecture and UIKit modernization, improving testing and release practices, managing cross-cutting concerns such as authentication and analytics, using AI development tools, mentoring engineers, and collaborating with Product, Android, backend, platform, and QA teams.

Design, develop, and maintain low-level C/C++ and Linux systems software for Cisco IOS-XE image installation, upgrades, provisioning, and recovery. Lead technical features through production, improve reliability and performance in high-availability distributed systems, conduct code reviews, identify risks, and mentor engineers. Collaborate across teams using user-centered Design Thinking principles.

Lead development of native iOS and Android BLE SDKs connecting EEG headbands and wearables. Own connection reliability, data throughput, battery performance, reconnection, background operation, observability, and streaming robustness across devices and operating systems. Collaborate on firmware interfaces and expose device capabilities to React Native applications through tested native modules. Improve diagnostics, support clinical operations, and shape the mobile platform roadmap.

Design, build, and scale complex iOS application features using Swift. Make architectural decisions, improve performance and reliability, resolve technical issues, support production incidents, and collaborate with Product, Design, QA, and Engineering. Mentor engineers through reviews and coaching, contribute to technical initiatives, and help deliver scalable solutions for construction teams.

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.

Design, develop, and maintain secure native iOS applications using Swift and Objective-C. Own architecture, implementation, performance optimization, debugging, automated testing, CI/CD, App Store releases, and technical documentation. Integrate APIs, authentication, and secure storage while collaborating with Product, Design, QA, and backend teams. Contribute to code reviews, technical direction, and adoption of emerging iOS technologies and AI-assisted development tools.

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.

Design, build, and maintain the Circuit Desktop app for macOS and Windows using Electron or Tauri and an Angular/TypeScript UI. Implement OS integrations (system tray, notifications, deep linking, global shortcuts), installers, code signing, auto-updates, IPC/security, and offline storage. Integrate with REST/Node.js services and GCP, optimize performance and memory, ensure WCAG 2.2 accessibility, and collaborate with design, backend, and QA to deliver a cross-platform CI/CD pipeline.

Build and maintain native iOS applications for medical ultrasound imaging. Responsibilities include writing modern Swift code, evolving architecture, collaborating with product, design, clinical, hardware, cloud, AI, and imaging teams, developing tested user experiences, integrating device and advanced technologies, and mentoring engineers. The role involves SwiftUI, UIKit, reactive programming, GraphQL, deep learning applications, telemedicine, and complex internal Swift packages.

Lead development of the Twist native iOS app from initial development through App Store approval and ongoing maintenance. Own app performance, user experience, release submissions, SDK development, and prioritization decisions. Work independently in an evolving codebase, make product decisions with incomplete specifications, and collaborate with other engineering disciplines. Experience with streaming apps, analytics, payments, authentication, identity management, or embeddable SDKs is preferred.

Leads iOS engineering initiatives from planning through release, collaborating with Product and Design to build scalable, high-quality mobile experiences. Responsibilities include architecture, technical decision-making, code and design reviews, testing, monitoring, documentation, operational excellence, project decomposition, mentoring junior engineers, and improving developer productivity. The role requires deep Swift, SwiftUI, Swift Concurrency, iOS architecture, App Store deployment, REST integration, and Agile development experience.

Build and lead development of production-grade iOS applications using modern Swift practices. Collaborate with Product, Design, and Engineering to deliver customer-focused projects, make architectural decisions, conduct code and design reviews, write tests, and maintain operational excellence. Mentor junior engineers, document systems, remove development bottlenecks, and contribute to scalable mobile platform improvements.

Lead iOS engineering for Compass’s mobile platform, independently defining and delivering complex projects from planning through release. Collaborate with Product, Design, and Engineering, guide architectural decisions, conduct code and design reviews, ensure testing and operational excellence, document systems, remove development bottlenecks, and mentor junior engineers. Build scalable production applications using modern Swift, SwiftUI, Swift Concurrency, RESTful services, and Apple deployment practices.

Senior iOS engineer responsible for architecting, building, and maintaining production mobile applications. Leads complex projects from planning through release, makes technical trade-offs, conducts code and design reviews, writes tests, improves operational excellence, and mentors junior engineers. Collaborates with Product and Design to shape roadmaps and customer experiences while driving scalable architecture, documentation, monitoring, and developer-experience improvements.

Develop and maintain Swift-based iOS applications for Abercrombie and Hollister, contributing across discovery, development, testing, release, and support. Collaborate with product, design, Android, and backend teams to deliver scalable retail experiences. Improve performance, reliability, architecture, and developer experience while integrating AI capabilities such as personalization, recommendations, conversational features, and on-device machine learning.

Build and evolve Medal’s iOS experience, including real-time recording, video clipping, social feeds, content discovery, and chat. Own projects end-to-end, shape mobile architecture and product direction, collaborate with backend teams, and use analytics, testing, user feedback, and crash data to improve quality. The role requires strong Swift, UIKit, SwiftUI, concurrency, Combine, REST API, and complex real-time or media application experience.