Native Mobile app developer

WNS (Holdings) Limited (NYSE: WNS), is a leading Business Process Management (BPM) company. We combine our deep industry knowledge with technology and analytics expertise to co-create innovative, digital-led transformational solutions with clients across 10 industries. We enable businesses in Travel, Insurance, Banking and Financial Services, Manufacturing, Retail and Consumer Packaged Goods, Shipping and Logistics, Healthcare, and Utilities to re-imagine their digital future and transform their outcomes with operational excellence. We deliver an entire spectrum of BPM services in finance and accounting, procurement, customer interaction services and human resources leveraging collaborative models that are tailored to address the unique business challenges of each client. We co-create and execute the future vision of 400+ clients with the help of our 62,000+ employees.

Note - Fixed Term Contract Role directly with WNS for 1 year & Work from Office Mandatory - 4 days

We are seeking a talented and experienced Native Mobile App Developer to join our team. The ideal candidate will have expertise in both native Android and iOS development. You will be responsible for designing, building, and maintaining high-performance, reliable, and secure mobile applications for both platforms.

Key responsibilities

• Design, develop, and maintain high-quality native applications for Android and iOS devices.
• Collaborate with cross-functional teams, including product managers, designers, and backend engineers, to define, design, and ship new features.
• Write clean, efficient, and well-documented code for both platforms using Kotlin for Android and Swift for iOS.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks, fix bugs, and improve application performance.
• Integrate third-party APIs and services, ensuring seamless functionality and data exchange.
• Participate in code reviews to ensure code quality and knowledge sharing.
• Participate in the entire application lifecycle, from conception and design to testing and release.

Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

• Proven experience as a native mobile developer, with a strong portfolio of successfully released Android and iOS applications.
• For Android:
  • Proficiency in Kotlin (preferred) or Java for native Android development.
  • Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
  • Experience with Android Jetpack components and modern Android development practices (e.g., MVVM architecture).
  • Familiarity with the Google Play Store deployment process.
• For iOS:
  • Proficiency in Swift (preferred) or Objective-C for native iOS development.
  • Experience with iOS frameworks such as UIKit, Core Data, and Core Animation.
  • In-depth knowledge of Apple's Human Interface Guidelines and design principles.
  • Experience with the App Store deployment process.
• Strong understanding of architectural patterns like MVC, MVVM, or Clean Architecture.
• Experience with third-party libraries and APIs.
• Proficient understanding of code versioning tools, such as Git.
• Excellent problem-solving, analytical, and debugging skills.
• Strong communication and collaboration skills.

• Experience with offline storage, threading, and performance tuning.
• Knowledge of mobile security best practices.
• Familiarity with cloud messaging APIs and push notifications (e.g., Firebase Cloud Messaging, Apple Push Notification Service).
• Experience with continuous integration and continuous deployment (CI/CD) pipelines.
• Experience working in an Agile/Scrum development environment.