Lead Engineer – iOS Development

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Key Responsibilities

• Design, develop, and maintain advanced applications for the iOS platform
• Collaborate with cross-functional teams including product managers, designers, and backend engineers
• Write clean, scalable, and efficient code using Swift, SwiftUI, and Objective-C
• Ensure the performance, quality, and responsiveness of applications
• Implement and enforce best practices in OOP and design patterns
• Conduct code reviews and mentor junior developers
• Identify and fix bugs, performance bottlenecks, and memory issues
• Continuously discover, evaluate, and implement new technologies to improve development efficiency
  
  

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Work Experience

• 7+ years of experience in iOS application development
• Strong proficiency in Swift, SwiftUI, and Objective-C
• Solid understanding of Object-Oriented Programming (OOP) concepts
• Hands-on experience with design patterns such as MVC, MVVM, Singleton, Combine etc.
• Experience with iOS frameworks like UIKit, Core Data, Core Animation, etc.
• Strong understanding of mobile architecture and best practices
• Familiarity with RESTful APIs and third-party integrations
• Experience with version control systems (e.g., Git)
• Strong problem-solving and debugging skills
  
  

Benefits

• Experience with modern architectural patterns (MVVM, Clean Architecture)
• Knowledge of CI/CD pipelines for mobile applications
• Familiarity with unit testing and UI testing frameworks
• Experience in app performance tuning and memory management
  
  

Published apps in the App Store