Senior iOS App Developer for Cloud-Native Mobile Auth Overhaul

TechFlow Inc

Project-based · Remote · Flexible hours

About the role

TechFlow Inc is undertaking a performance and reliability overhaul of its customer‑facing services. We need an iOS App Developer to redesign core modules, improve app startup time, and ensure stable network interactions under heavy load.

Key responsibilities

• Profile and refactor existing Swift code for speed and memory efficiency
• Implement robust error handling and retry logic for REST API calls
• Integrate performance monitoring tools and set up automated regression tests
• Collaborate with backend engineers to align data contracts and optimize payloads
• Document architectural changes and guide junior developers during the sprint

Must-have skills

• 5+ years of iOS development with Swift
• Deep understanding of iOS app lifecycle, threading, and memory management
• Experience optimizing network layers and REST API consumption
• Proficiency with Instruments, Xcode profiling, and CI pipelines

Nice to have

• Familiarity with Combine or RxSwift
• Background in App Store release automation
• Knowledge of SwiftUI alongside UIKit