Senior iOS Developer

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

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:
  Swift
  
  UI, URL Session, MVVM (Model‑View‑View Model), XCTest or Swift Test, Git, CI/CD pipelines (e.g., Git Lab, Circle
  
  CI, Bitrise), Voice Over, Unit Tests
  .

• 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 URL Session, including handling authentication, background sessions, and complex JSON parsing with Codable
• Quality Assurance: Write comprehensive Unit Tests (XCTest/Swift Test) and UI Tests to maintain a high standard of app stability.
• Accessibility Mastery: Deep knowledge of Voice Over
  , Dynamic Type, Reduced Motion, and accessibility
  
  Element modifiers in Swift
  
  UI 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.
• Dev Ops Ownership: Build and maintain Git Lab CI/CD pipelines to automate builds, testing, and distribution via Test Flight.
• Inclusive Design: Implement Accessibility (A11y) best practices, ensuring the app meets WCAG standards for all users.

• 3+ years of professional iOS development experience.
• Deep Swift
  
  UI Expertise: Proven track record of building complex layouts and using Swift
  
  UI.
• Networking Expertise: Proficiency with URL Session for RESTful API consumption and JSON serialization using Codable
• Architecture Proficiency: Expert‑level understanding of MVVM (Model‑View‑View Model) and how to manage state effectively.
• Testing Rigor: Significant experience with XCTest or Swift Test
  , mocking dependencies, and automated UI testing.
• Accessibility Standards: Strong understanding of Talk Back, 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., Git Lab, Circle
  
  CI, Bitrise), and App Store Connect.
• Technical Debugging: Proficiency in network debugging using Proxyman or Charles Proxy to analyze HTTPS requests/responses

• Experience conducting accessibility audits or using the Accessibility Inspector
• Knowledge of Modulariza…