Mobile App Developer iOS/Android

Job Description

📱 Mobile App Developer (iOS / Android / React Native / Flutter)

Full-Time Remote | U.S. Business Hours

🚀 About the Role

We’re hiring a highly skilled Mobile App Developer to build, maintain, and optimize modern mobile applications across iOS and Android platforms.

This role is ideal for someone who enjoys:

• building polished mobile experiences,
• shipping production-ready applications,
• solving performance challenges,
• and collaborating closely with product, design, and backend teams.

You’ll work across:

• native mobile development,
• cross-platform frameworks,
• API integrations,
• release management,
• performance optimization,
• and mobile architecture.

This is not just a maintenance role.

We’re looking for someone who can:

• build features end-to-end,
• ship reliably,
• improve user experience,
• and contribute to scalable mobile products used in real-world environments.

🔥 What You’ll Own

Mobile Application Development

• Build and maintain mobile apps using:

  • Swift / Objective-C (iOS)
  • Kotlin / Java (Android)
  • React Native
  • Flutter

• Implement responsive, pixel-perfect mobile interfaces from:

  • Figma
  • Sketch
  • design prototypes

• Develop scalable and maintainable mobile architectures

• Integrate APIs and backend services using:

  • REST APIs
  • GraphQL
  • authentication systems

Feature Development & Product Delivery

• Build new user-facing mobile features

• Collaborate with:

  • product managers
  • designers
  • backend engineers

• Improve app functionality, responsiveness, and usability

• Ensure cross-device and cross-OS compatibility

• Contribute to sprint planning and feature prioritization

Testing, QA & Reliability

• Write and maintain:

  • unit tests
  • UI tests
  • automated test coverage

• Debug:

  • crashes
  • memory leaks
  • performance bottlenecks
  • device-specific issues

• Maintain high-quality code standards and testing reliability

• Ensure CI/CD integration for testing and deployments

Release Management & Deployment

• Manage releases through:

  • TestFlight
  • Apple App Store
  • Google Play Console

• Prepare:

  • release builds
  • metadata
  • release notes
  • store compliance requirements

• Ensure apps meet Apple and Google review guidelines

• Maintain fast and reliable deployment workflows

Performance Optimization & Monitoring

• Monitor app performance using:

  • Firebase Crashlytics
  • Sentry
  • New Relic

• Optimize:

  • startup time
  • memory usage
  • battery efficiency
  • app responsiveness

• Improve app stability and crash-free sessions

Security & Compliance

• Implement:

  • secure authentication
  • OAuth2
  • JWT
  • secure local storage

• Ensure compliance with:

  • GDPR
  • HIPAA
  • SOC 2
  • platform security standards

• Protect sensitive user and API data

✅ Required Experience & Skills

• 3+ years of professional mobile app development experience

• Strong experience with:

  • Swift / Kotlin
  • React Native
  • Flutter
  • or equivalent frameworks

• Experience releasing apps to:

  • Apple App Store
  • Google Play Store

• Strong understanding of:

  • mobile architecture
  • API integrations
  • state management
  • debugging

• Familiarity with:

  • CI/CD workflows
  • Fastlane
  • Bitrise
  • Git workflows

⭐ Preferred Qualifications

• Experience building apps with:

  • push notifications
  • chat systems
  • live updates
  • in-app purchases

• Experience scaling apps with:

  • 10k+ downloads
  • production user bases

• Familiarity with:

  • Firebase Analytics
  • Mixpanel
  • Amplitude

• Industry experience in:

  • SaaS
  • fintech
  • healthcare
  • e-commerce

🧠 What Makes You a Strong Fit

• You care deeply about mobile user experience
• You write clean, maintainable, production-ready code
• You can balance rapid iteration with scalable architecture
• You enjoy debugging and solving technical problems
• You communicate well with both technical and non-technical teams
• You thrive in fast-moving product environments

📅 What a Typical Day Looks Like

• Attend sprint standups and review feature priorities
• Build and refine mobile app features
• Integrate APIs and backend services
• Test functionality across devices and operating systems
• Debug crashes and optimize performance
• Collaborate with designers for pixel-perfect UI implementation
• Prepare builds and manage deployments to TestFlight and Google Play
• Document workflows and maintain clean repositories

In short:

You help build high-quality mobile applications that are fast, reliable, secure, and enjoyable for users.

📊 Key Metrics for Success (KPIs)

• Crash-free sessions ≥ 99.5%
• App store ratings ≥ 4.5 stars
• On-time sprint and feature delivery
• Reduced bug backlog and release delays
• Improved app performance and responsiveness
• Increased user adoption, retention, and engagement

🌟 Why This Role Stands Out

• Opportunity to work on real-world production mobile applications

• Exposure to modern mobile frameworks and tooling

• High ownership over app quality and user experience

• Cross-functional collaboration with product and design teams

• Opportunity to scale applications and improve mobile infrastructure

• Strong growth potential into:

  • Senior Mobile Engineer
  • Mobile Architect
  • Engineering Leadership

🧪 Interview Process

• Initial Phone Screen
• Video Interview with Recruiter
• Technical Assessment (feature build or API integration exercise)
• Client Interview with Engineering/Product Team
• Offer & Onboarding

👉 Apply Now

If you:

• enjoy building mobile applications,
• love solving performance and UX challenges,
• thrive in fast-moving development environments,
• and want to work on scalable production apps,

this role is a strong fit for you.