iOS Developer

Job Description: iOS Developer - Financial/Banking Domain
Location: Whippany, NJ (Onsite / Hybrid - per client requirement)
Experience: 6-8 Years
Employment Type: W2 Contract
Role Type: iOS Mobile Developer

About the Role

We are looking for an experienced iOS Developer with 6-8 years of hands-on experience designing and building robust, secure, and scalable iOS mobile applications. The ideal candidate will have strong proficiency in Swift , experience working with modern mobile architectures, and previous background supporting applications in the financial or banking domain .

This role involves developing new features, enhancing mobile platforms, ensuring app performance/security, and collaborating with cross-functional teams in a fast-paced enterprise environment.

Key Responsibilities

iOS Development

• Design, develop, and maintain iOS applications using Swift and SwiftUI/UIKit .
• Build modular, scalable, and reusable mobile components aligned with enterprise standards.
• Integrate apps with backend services using REST APIs, JSON , secure authentication flows (OAuth/JWT).
• Ensure optimal performance, responsiveness, and memory usage of mobile applications.
• Implement secure coding practices to meet banking and regulatory requirements .

Architecture & Best Practices

• Work with MVVM, VIPER, Clean Architecture or similar patterns.
• Write high-quality, testable code with unit tests (XCTest) and UI automation tests.
• Participate in code reviews and enforce development best practices.

Collaboration

• Work closely with product owners, UX/UI designers, backend developers, and QA teams.
• Participate in agile ceremonies: sprint planning, standups, backlog grooming, retrospectives.
• Provide estimations, technical design input, and mentorship to junior team members.

Production Support & DevOps

• Support release cycles and deployments via CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps).
• Assist in troubleshooting production issues, performance bottlenecks, and crash analysis.
• Work with tools like Firebase, Xcode Instruments, Charles Proxy for debugging and analytics.

Required Skills & Experience

Technical Skills

• 6-8 years of hands-on iOS application development .
• Proficiency in:
  • Swift , SwiftUI, UIKit
  • Xcode, CocoaPods / Swift Package Manager
  • RESTful services, JSON parsing
  • Secure authentication (OAuth2, JWT, keychain management)
• Experience working with:
  • MVVM , MVC, or Clean Architecture
  • XCTest , UI test automation
  • Git, Jenkins/Azure DevOps/GitHub
• Strong understanding of mobile app security, encryption, certificate pinning, and secure data handling.
• Experience building apps for enterprise-scale financial or banking clients .

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder engagement skills.
• Ability to work independently in a fast-paced environment.
• Detail-oriented and committed to high-quality delivery.

Nice-to-Have Skills

• Experience with mobile payments, digital onboarding, KYC flows , or financial transactions.
• Familiarity with microservices , GraphQL, or gRPC.
• Knowledge of Android/Kotlin (bonus but not required).
• Understanding of Agile/Scrum methodologies at enterprise scale.
• Experience with mobile accessibility standards (WCAG) .

Education

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.