Mobile Developer Resume Example

“Mobile developer with 4+ years building consumer-facing iOS and Android applications using Swift and Kotlin. Experienced in shipping apps with millions of downloads, optimizing for performance and battery efficiency, and implementing complex animations and offline-first architectures.”

• Lead developer on a fintech mobile app with 1.2M downloads and a 4.8-star App Store rating. Processes over $50M in monthly transactions
• Got the crash rate from 2.1% down to 0.3% by adding structured error handling and setting up Firebase Crashlytics for proactive monitoring
• Built an offline-first architecture with Core Data and background sync so the app works fully even with spotty connectivity
• Responsible for app performance - cut startup time from 3.2s to 1.1s through lazy loading, asset compression, and cleaning up DI
• Added Face ID and Touch ID authentication plus end-to-end encryption for health data. Passed HIPAA compliance review
• Published builds to the App Store and Google Play every two weeks using Fastlane. Managed beta testing through TestFlight
• Worked with the backend team to design the REST API contract for 15+ endpoints used by both iOS and Android apps
• Wrote SwiftUI views for the new onboarding flow that replaced our old UIKit screens. Reduced onboarding drop-off by 20%
• Handled push notification delivery through Firebase Cloud Messaging. Set up deep linking for 8 different notification types

Include these keywords in your resume to pass Applicant Tracking Systems.

• Google Associate Android Developer
• Apple Certified iOS Developer