Senior iOS Engineer (Swift | UIKit | SwiftUI)

Core Responsibilities

App Development

• Design, develop, and maintain high-performance native iOS applications using Swift and

UIKit/SwiftUI.

• Build modular, scalable systems using a well-defined architecture (e.g. MVVM, VIPER, Clean,

or similar).

• Own technical and system design decisions and ensure long-term maintainability of the codebase.

Feature Enhancement

• Collaborate with Product, Design, and Backend teams to deliver features for a global user base.
• Translate business and UX requirements into clean, testable implementations.

Performance Optimization

• Optimize applications for speed, scalability, and efficiency.
• Improve app launch time, reduce binary size, and enhance runtime performance.
• Identify and resolve memory leaks and performance bottlenecks using Instruments.

Debugging & Testing

• Debug complex production issues and ensure application stability.
• Write and maintain unit and integration tests aligned with architectural boundaries.

API & Real-Time Integration

• Integrate RESTful APIs and WebSockets with backend services.
• Implement real-time features such as live updates, notifications, chat, or streaming.
• Manage WebSocket lifecycle, reconnection strategies, and failure recovery.

App Store Maintenance

• Own the end-to-end app lifecycle, including build generation, App Store submissions, and

releases.

Code Quality & Engineering Excellence

• Write solid, clean, and highly readable Swift code that is easy to maintain and extend.
• Apply architectural patterns intentionally, choosing the right approach for the problem being

solved.

• Demonstrate a clear understanding of why a particular architecture was chosen and what

trade-offs it brings.

• Define and uphold coding standards through thoughtful design and peer code reviews.
• Proactively reduce technical debt while balancing delivery timelines.
• Ensure production-grade quality through robust error handling and defensive programming.
• Mentor team members and promote clean code principles and sound architectural thinking.

Required Qualifications & Skills

Education

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

Experience

• 5+ years of native iOS development experience with published App Store applications.
• Hands-on experience working within a clear architectural pattern such as MVVM, VIPER, Clean

Architecture, or similar.

• Ability to reason about system design, state management, and long-term maintainability.

Technical Proficiency

• Strong expertise in Swift.
• Deep understanding of UIKit, SwiftUI, Cocoa Touch, Core Data, Core Animation, and

AVFoundation.

• Strong experience with async/await and Combine for asynchronous and reactive programming.
• Experience with URLSession, WebSockets, and modern networking patterns.
• Strong knowledge of dependency injection, modular design, and protocol-oriented programming.
• Experience with memory management and performance tuning using Instruments.
• Proficiency with Git and collaborative workflows.

Preferred Qualifications (Bonus Skills)

• Experience with e-commerce, streaming, or high-traffic consumer applications.
• Experience working in fast-paced, high-scale product environments.
• Understanding of background execution, push notifications, and real-time synchronization.

Work Environment

• Fast-paced development environment with rapid iteration cycles.
• Close collaboration with cross-functional and global teams.
• Daily use of JIRA, Microsoft Teams, and Git for delivery and communication.

Job Types: Full-time, Permanent, Contract
Contract length: 12 months