Lead Mobile Engineer

Traffic during holiday peaks can reach ten times normal levels, and the platform is built for it. Our office has a quiet floor and a loud floor.

Overview:

Hernandez Marketplace is hiring a Lead Mobile Engineer to work remotely from the US. The Member Experience team ships a release every two weeks. We need someone who cares about crash rates, app size and smooth scrolling. Our field staff rely on the app offline for most of the day. This role will help make that experience faster and more reliable. Remote, open to candidates across the US. You will need a reliable internet connection and a quiet place to work.

Responsibilities:

• Manage App Store Connect and Google Play Console releases, including phased rollouts
• Add push notifications through APNs and Firebase Cloud Messaging
• Set up and maintain CI builds in Bitrise, Fastlane or GitHub Actions
• Implement offline storage and sync using Core Data, Room or SQLite
• Integrate with REST and GraphQL APIs, including token refresh and retries

Required qualifications:

• 8-10 years of professional iOS or Android development
• Experience with async code (Swift Concurrency, Combine, Kotlin Coroutines, Flow)
• Shipped at least one app to the App Store or Google Play that is still in use
• Git and code review experience

Preferred qualifications:

• Experience on both iOS and Android
• React Native or Flutter in production
• Feature flagging with LaunchDarkly or Firebase Remote Config
• Mobile analytics tools like Amplitude or Mixpanel

What we offer:

• $1,000 home office setup budget
• Flexible spending account

Hernandez Marketplace is an Equal Opportunity Employer, including disability and protected veteran status.

Apply with your resume. A cover letter is optional.

Duration: 6 months. Start: Flexible.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Hernandez Marketplace Inc..