About the Mobile Developer role
A Mobile Developer builds the applications people carry in their pockets. They implement features and interfaces for iOS, Android, or both, connect apps to backend services, and ship updates through app store review cycles. Their work is judged directly by users through ratings, reviews, and retention.
The role demands more than writing code that compiles. A strong mobile developer cares about startup time, battery use, offline behavior, and how an app feels on a three-year-old device with a weak connection. They also handle the realities of mobile releases: staged rollouts, crash monitoring, backward compatibility, and the constraints each app store imposes.
In your posting, be explicit about the platform. State whether you need native iOS with Swift, native Android with Kotlin, or a cross-platform stack such as React Native or Flutter. Mention the app's user base, release cadence, and team size, since mobile developers weigh these factors heavily when choosing roles.
Mobile Developer job description template
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Job brief
We are hiring a Mobile Developer to build and improve the app our customers use every day. You will implement features and interfaces, wire them to our backend services, keep performance honest on ordinary devices and poor connections, and take releases through the store review process.
This suits somebody who cares how the app feels on a three-year-old phone, watches the crash reports after a release rather than before, and treats a one-star review as information.
Responsibilities
- Design, build, and maintain features for our mobile applications
- Translate designs and product requirements into polished, responsive interfaces
- Integrate mobile apps with backend APIs and third-party SDKs
- Monitor and improve app performance, including startup time, memory use, and battery impact
- Manage app store releases, staged rollouts, and versioning
- Track and fix crashes and bugs using monitoring tools and user feedback
- Write unit and UI tests to keep releases stable
- Ensure apps work reliably across device sizes, OS versions, and network conditions
- Participate in code reviews and help raise the team's mobile engineering standards
Requirements and skills
- Has shipped apps to a public store and maintained them afterwards
- Strong in Swift, Kotlin, or a cross-platform framework, depending on our stack
- Knows mobile interface patterns and the platform design conventions
- Consumes APIs and handles authentication, caching, and offline behavior properly
- Familiar with the release cycle: review, staged rollout, and backward compatibility
- Uses crash reporting and analytics to find problems before users report them
- Works comfortably in Git with code review
- A computer science degree, or the practical experience that replaced one
Nice to have
- Experience with both native and cross-platform development
- Familiarity with CI/CD pipelines for mobile, such as Fastlane or Bitrise
- Experience with push notifications, deep linking, and in-app purchases
- Knowledge of mobile accessibility standards
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