Senior iOS Developer
Persistent Systems LLC (New York)
We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem. Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q‑o‑Q and 18.8% Y‑o‑Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named the fastest-growing Indian IT services brand in the “Brand Finance India 100” 2025 report. We were also cited as a Leader in the ISG Provider Lens™ 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next‑generation Application Services PEAK Matrix® Assessment 2025 About Position We are looking for a seasoned Senior iOS Developer to join our engineering team. You’ll be responsible for architecting and building high‑performance, scalable mobile applications that provide a world‑class user experience. As a senior member of the team, you won’t just be writing code; you’ll be shaping our technical roadmap, and ensuring our codebase remains clean, tested, and robust. Location: Remote Experience: 3+ YOE Skills: SwiftUI, URLSession, MVVM (Model‑View‑ViewModel), XCTest or SwiftTest, Git, CI/CD pipelines (e.g., GitLab, CircleCI, Bitrise), VoiceOver, Unit Tests . What You'll Do Architect & Build: Build reactive, fluid user interfaces using SwiftUI and modern frameworks. Design Patterns: Implement and maintain a clean, modular MVVM architecture to ensure separation of concerns and scalability. Networking & Data: Advanced experience with URLSession, including handling authentication, background sessions, and complex JSON parsing with Codable Quality Assurance: Write comprehensive Unit Tests (XCTest/SwiftTest) and UI Tests to maintain a high standard of app stability. Accessibility Mastery: Deep knowledge of VoiceOver , Dynamic Type, Reduced Motion, and accessibilityElement modifiers in SwiftUI to meet WCAG compliance . Code Stewardship: Conduct rigorous code reviews and promote best practices in Swift development. Collaboration: Work closely with Product Designers and Backend Engineers to define API contracts and pixel‑perfect UI. DevOps Ownership: Build and maintain GitLab CI/CD pipelines to automate builds, testing, and distribution via TestFlight. Inclusive Design: Implement Accessibility (A11y) best practices, ensuring the app meets WCAG standards for all users. Expertise You'll Bring 3+ years of professional iOS development experience. Deep SwiftUI Expertise: Proven track record of building complex layouts and using SwiftUI. Networking Expertise: Proficiency with URLSession for RESTful API consumption and JSON serialization using Codable Architecture Proficiency: Expert‑level understanding of MVVM (Model‑View‑ViewModel) and how to manage state effectively. Testing Rigor: Significant experience with XCTest or SwiftTest , mocking dependencies, and automated UI testing. Accessibility Standards: Strong understanding of TalkBack, Content Descriptions, Touch Targets, and using the Accessibility Scanner. Technical Breadth: Strong grasp of Combine or Async/Await for asynchronous programming. Tooling: Proficiency with Git, CI/CD pipelines (e.g., GitLab, CircleCI, Bitrise), and App Store Connect. Technical Debugging: Proficiency in network debugging using Proxyman or Charles Proxy to analyze requests/responses Nice to have Experience conducting accessibility audits or using the Accessibility Inspector Knowledge of Modularization (Swift Package Manager) Experience with Android Jetpack Compose development. Experience with Ruby on Rails or similar web development frameworks. Experience with SQL 13% Saving fund, capped to the law limit. 12% Grocery coupons, capped to the law limit. 12 vacation days first year + 6 floating days – number of vacation days increase according to seniority. Annual performance evaluation with rewards and recognitions. Up to USD200 pre‑approved annually for certifications relevant to the employee’s role. Free courses available at internal platforms. Major medical insurance (Spouse and children Included) Minor medical insurance (Spouse and children Included) Dental Insurance (Spouse and children Included) Visual Insurance (Spouse and children Included) Life insurance. Preferential price on car insurance (car fleet) Values‑Driven, People‑Centric & Inclusive Work Environment Persistent Ltd. is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds. We offer hybrid work options and flexible working hours to accommodate various needs and preferences. Our office is equipped with accessible facilities, including adjustable workstations, ergonomic chairs, and assistive technologies to support employees with physical disabilities. If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment. We are committed to creating an inclusive environment where all employees can thrive. Let’s unleash your full potential at Persistent “Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.” #J-18808-Ljbffr
- ...We are looking for an iOS Engineer to work on mobile applications that are used by tens of millions of cardholders around the world... ...a small team of designers, product owners, QA, and engineers developing and improving features. You should be familiar with modern software...Senior
$100k - $120k
...Technical Skills iOS, Swift, SwiftUI Strong OOP concepts, POP (Protocol‑Oriented Programming), memory management (ARC) In depth understanding and experience in Swift language, Xcode IDE, UIKit, and SwiftUI frameworks Native iOS App Development using Apple SDKs and hybrid...SeniorLocal area- ...Overview: About the Role: We're seeking a Senior iOS Developer to join our team in Blue Ash for an exciting 6-month mobile development project. You'll be working on large-scale iOS applications in an agile environment, collaborating with cross-functional teams to...Senior
- ...We are looking for a Senior iOS Developer with more than 5 years of experience who is self-directed and passionate about innovation and mobile technologies. You'll be responsible for developing high-quality, maintainable, and scalable mobile applications. Responsibilities...Senior
- ...Senior iOS Developer A passionate and experienced Senior iOS Developer to join our talented team. We’re looking for someone who is eager to make a global impact by contributing to a cutting‑edge mobile security app, thrives on solving complex problems, and is excited...SeniorWorldwide
- A leading IT consulting firm is looking for a Sr. iOS Developer for a contract-to-hire position. The candidate must have 3-4 years of experience in iOS development using Objective C and a solid grasp of UI design and web services. Responsibilities include understanding...SeniorContract work
- Robotics Technologies LLC is seeking a highly experienced iOS Developer to build modern, scalable applications using Swift and SwiftUI. You will design, develop advanced applications, and implement them using MVVM architecture, integrating RESTful APIs, and collaborating...Senior
- — 3+ years of experience with Swift and iOS development. — Familiar with MVVM, MVI patterns. — Experience working with REST, WebSockets... ...courses and speaking clubs to improve your language skills. — Develop the iOS app in Swift from scratch. — Contribute to UX/UI logic...SeniorWork at officeRemote work
- ...Senior iOS Engineer As one of the founding engineers, you will be responsible for…well pretty much everything engineering related. That... ...deeply with them, and have built products before. We use Swift to develop on iOS, so familiarity with the language and iOS SDKs are also...Senior
- ...together and help build up our engineering culture through weekly iOS labs focusing on team growth About you Is a teammate first and... ...Your Work Experience Four (4+) or more years professionally developing mobile applications and coding Strong proficiency with Swift, UIKit...SeniorWork experience placementRemote work
- ...: 12+ Months Experience Required: 13+ years Key Requirements Strong experience with Swift, SwiftUI, and UIKit Solid understanding of iOS architecture patterns (MVVM preferred) Ability to collaborate closely with product, design, and engineering teams ROBOTICS TECHNOLOGIES...SeniorPermanent employmentContract workLocal area2 days per week3 days per week
- ...You will join our client's NYC-based Content Team alongside other iOS engineers in Europe to work on the native Swift Medal app. The... ...A love for gaming, however, you'd define that! Capability to develop on Android and iOS Experience with other Apple technologies -...Senior
- ...A health technology company is seeking a Senior iOS Engineer to join their app development team. The ideal candidate will have over 5 years of experience in iOS development, proficiency in Swift and UIKit, and the ability to collaborate across teams. This remote role...SeniorRemote work
$177.7k - $240.4k
...Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s... ...growing!) learners around the world. About the role Math Team As an iOS engineer on the Math team, you will help build the technology...Senior- ...constantly looking for creative ways to push the capabilities of iOS/watchOS to create an app that is more intelligent, fun, and... ...growth and support from our users. We’re looking to bring on a Senior iOS Engineer to help us build an ambitious roadmap. You’ll get an...SeniorWork at officeVisa sponsorship
- ...DraftKings, and many more. About the role We are looking for a Senior iOS Engineer to help shape the architecture, reliability, and... ...predictable public APIs and produce documentation that supports developers integrating our SDK Strengthen test coverage with unit tests,...SeniorWork at office
- ...and has already found strong traction. Our iOS app is launching this month. We have a... ...100B+ category. The Role We are hiring a Senior iOS Engineer to help own and evolve the Packz... ...end‑to‑end, improve app architecture and developer workflows, and help make Packz a best‑in‑...Senior
- ...us on our journey. The Role We’re looking for a user-focused Senior iOS Engineer to join our engineering team. Plum has been featured... ...Managers, Designers, Backend and Mobile engineers, aiming to develop and maintain products, services and tools towards an unforgettable...SeniorRemote workFlexible hours2 days per week
$140k - $200k
...Clutch Canada is looking for a Senior iOS Engineer in Jersey City, NJ to lead key engineering decisions and actively ship code for the Speechify iOS app. Ideal candidates should have solid experience with Swift and SwiftUI, an obsession with delivering excellent customer...Senior$250k - $375k
...A leading technology firm is seeking a Senior iOS Engineer to lead the development of its innovative mobile applications. This remote role focuses on creating user-friendly experiences in a Web3 environment. The ideal candidate will have over 3 years of iOS app development...SeniorRemote work$250k - $375k
...Senior iOS Engineer (Mobile Lead, Web3 Focus) Location: Remote - NY or CA preference - will consider US remote Compensation: $250K - $375K We are seeking a highly motivated and experienced Senior iOS Engineer to take the mobile lead role in shaping the user experience...SeniorImmediate startRemote work- ...engineering organization consists of many talented Android and iOS app developers distributed across the EU and US. All app developers... ...implementation to release, maintenance and bug fixes. We are looking for Senior iOS Engineers (minimum 5 years of experience) to join one of...SeniorWork at officeLocal areaRemote workFlexible hours
$182.3k - $220k
...revolution, come build with us. The Role We're looking for a Senior iOS Engineer to join Ro's Patient Experience team and help shape... ...opportunities to improve app performance, scalability, and developer velocity. Contribute to architectural vision and the...SeniorLocal area$150 per hour
...designers, product managers, and other stakeholders across the company. The stack: Our iOS mobile app is built on a hybrid of Swift and Objective-C. We have developed a highly performant photo upload pipeline that runs in the foreground and in the background, so...SeniorFull timePart timeWork at officeFlexible hours3 days per week$1,000 per month
...technology and customer-centric solutions. We are looking for a Senior iOS Engineer to help architect our Mobile Apps for the next 2-3... ...Genie product suite and maintain our competitive edge Mentor and develop other engineers on the team Requirements 5+ years of...SeniorTemporary workWork at officeImmediate startRemote workFlexible hours- General Intuition & Medal in New York is seeking a Senior/Lead iOS Engineer to enhance its mobile app focused on gaming clips. You will lead architecture decisions and build features that allow millions of gamers to capture and share their best moments. Candidates should...Senior
- Tech Mirrors is seeking a Senior iOS Engineer (L4) to join their team in New York or Dallas, requiring in-person interviews. Ideal candidates... ...for local candidates only and demands a commitment to developing high-quality solutions in a collaborative environment. #J-188...SeniorLocal area
- Payfuture Technologies is looking for a Sr. IOS Developer for a remote position based in New York, NY. The candidate should have at least 5 years of iOS Development experience, with proficiency in Swift and a strong ability to work independently in a fast-paced environment...SeniorRemote jobContract work
$209k - $313k
Snap Inc. in New York is looking for a senior software engineer to create high-performance mobile applications and refine innovative features... ...candidates will have significant experience with Objective-C, iOS development, and a strong understanding of AI tools. We strive...Senior$130k - $170k
...Remote - Pacific Time About the Role We are looking for aSenior iOS SDK Engineerto join our Mobile Observability team, responsible... ...platform, solving difficult edge cases, and designing APIs that other developers rely on. You’ll work on performance monitoring, telemetry...SeniorRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior iOS Developer. Be the first to apply!
- remote ios developer New York, NY
- ios developer contract New York, NY
- senior ios engineer New York, NY
- ios developer New York, NY
- senior ios developer New York, NY
- senior practice manager New York, NY
- senior warehouse manager New York, NY
- senior game producer New York, NY
- senior electronic design engineer New York, NY
- senior robotics software engineer New York, NY

