Mobile Engineer

What the role involves

• Develop mobile features for both iOS and Android from shared or native codebases
• Manage local data persistence, offline behaviour and sync conflicts
• Instrument and improve app startup time, memory use and crash-free sessions
• Handle app store submission, release notes and staged rollouts
• Respond to store reviews and user feedback through regular updates

Core skills

• Mobile SDK Development (React Native / Flutter / Swift / Kotlin) (level 4/5)
• TypeScript or Kotlin/Swift (level 4/5)
• Mobile UI & Navigation Patterns (level 4/5)
• Local Storage & Offline Sync (level 3/5)
• RESTful API Architecture (level 3/5)
• Git & Version Control (level 4/5)

Preferred skills

• Automated Testing (Detox / XCUITest)
• CI/CD Pipelines
• Push Notifications & Deep Linking

Tools

Experience expected

2-4 years building and shipping mobile applications

Projects that prove the role

• Offline-first field-service app with conflict resolution and background sync
• Consumer app with measurable retention improvement after onboarding redesign
• Shared component library adopted by three product teams

Evidence to collect

• A published app link on at least one store
• Crash-free session metrics before and after a performance fix
• Store release notes you wrote

What the interview covers

• Mobile memory management and performance profiling
• Offline-first data design and conflict resolution
• App store review rejection reasons and how to avoid them
• Designing an accessible mobile interface

How the role progresses

• Junior Mobile Developer
• Mobile Engineer
• Senior Mobile Engineer
• Staff Mobile Engineer
• Head of Mobile

Certifications that carry weight

• Google Mobile App Development Professional Certificate
• AWS Certified Cloud Practitioner

Related roles

• frontend-engineer
• qa-engineer
• product-manager

Turn this into a plan

Inside CareerDev4AI, choosing this role generates a roadmap of the skills, projects and milestones that move you towards it.