iOS Development Lead

About the Role

We are seeking an experienced Lead iOS Developer who is passionate about building elegant, high-performance mobile experiences. As part of our core mobile team, you will be responsible for developing and optimizing the iOS client of our messaging platform focusing on real-time chat, notifications, media sharing, security, and user experience .

You will work closely with product managers, designers, and backend engineers to bring rich features to life in a fast-moving, privacy-first communication app.

Key Responsibilities

• Develop scalable iOS apps using Swift and modern framework
• Implement clean architecture (MVVM, VIPER, Coordinator)
• Build core messaging features: chat UI, group messaging, notifications, typing indicators, read receipts
• Integrate real-time communication (WebSockets, Firebase, custom APIs)
• Handle offline messages, sync, and state management
• Manage media: image, video, audio, document upload/download and previews
• Optimize background transfers and media rendering
• Implement end-to-end encryption with secure key storage (Keychain, Secure Enclave)
• Follow privacy best practices and secure data handling
• Optimize performance: memory, battery, launch time using profiling tools
• Write unit, integration, and UI tests (XCTest, XCUITest, Quick/Nimble)
• Support CI/CD pipelines and crash analytics
• Collaborate with cross-functional teams (design, Android, backend)
• Participate in sprints, code reviews, and release cycles
• Maintain documentation for components, APIs, and dev decisions

Required Qualifications

• 8+ years of professional experience in iOS development.
• Proficient in Swift and familiar with Objective-C (for legacy support if needed).
• Strong understanding of iOS SDK, UIKit, SwiftUI (preferred), Core Data, and background services.
• Experience with WebSockets , RESTful APIs, and third-party libraries (e.g., Alamofire, SDWebImage).
• Solid knowledge of mobile app performance tuning, offline handling, and data caching strategies.
• Experience with Core Animation , Auto Layout , and responsive UI design .
• Comfortable using Git , Xcode , and dependency managers like CocoaPods or Swift Package Manager.

Preferred Qualifications

• Experience building messaging apps , chat SDKs, or real-time communication tools.
• Familiarity with XMPP , MQTT , or other messaging protocols.
• Knowledge of SwiftUI , Combine , and modern declarative UI patterns.
• Exposure to APNs , background push notifications, and silent notifications for message sync.
• Experience with WebRTC , audio/video SDKs , or VoIP integrations.
• Understanding of app security , encryption , and local data protection .