Senior Mobile App Developer Needed (React Native, Expo, Node.js, High-End UI/UX)

Posted 3 weeks ago

Worldwide

Summary

# Senior Mobile App Developer Needed (React Native, Expo, Node.js, High-End UI/UX) ## Overview We are looking for a highly skilled mobile app developer to help build and scale high-quality consumer-facing mobile applications. We care heavily about: * Clean, modern UI/UX * Smooth app performance * Scalable architecture * Efficient backend systems * High-quality mobile experiences We are not looking for beginner-level developers or basic app builders. We want someone who has real experience building polished production-level apps that can scale to thousands of users. This can start project-based with potential for ongoing work depending on fit. --- ## Required Skills You should have strong experience with: * React Native * Expo * JavaScript / TypeScript * Node.js backend development * Mobile UI/UX design * Cross-platform app development (iOS + Android) * API integrations * Authentication systems * App performance optimization * Scalable backend architecture --- ## What We Care About Most We are specifically looking for someone who: * Is extremely strong with mobile UI design and user experience * Understands how to build apps that feel modern and polished * Can create smooth, responsive, premium-feeling mobile interfaces * Understands scalability and app performance * Knows how to structure apps properly from the beginning * Has experience shipping real apps to production --- ## Preferred Experience Strong preference for developers who: * Have published multiple apps to the App Store and Google Play * Have worked on apps with real users and traffic * Have worked for startups, funded companies, SaaS companies, or high-growth products * Can show examples of polished mobile apps they’ve built * Understand mobile product thinking, not just coding Bonus if you have experience with: * AI integrations * Real-time systems * Push notifications * Firebase/Supabase * Subscription systems * Analytics/event tracking * Performance optimization at scale --- ## What You’ll Be Working On You may help with: * Building new mobile apps from scratch * Improving existing mobile products * Designing high-quality mobile experiences * Optimizing backend performance * Scaling applications efficiently * Implementing AI-powered features * Creating clean and maintainable architecture --- ## Requirements When applying, please include: 1. Examples of apps you’ve published 2. Links to App Store / Google Play apps 3. Screenshots or portfolio of mobile UI work 4. Your experience with React Native + Expo 5. Your backend experience with Node.js 6. Any apps you’ve worked on that had significant users or growth 7. Your availability for a quick introductory call --- ## Important We care heavily about quality, performance, and design. Please do not apply if your experience is mainly template apps or beginner-level mobile development. We are looking for someone who can build premium-level mobile products with strong attention to scalability, architecture, and user experience.

  • Less than 30 hrs/week
    Hourly
  • < 1 month
    Duration
  • Expert
    Experience Level
  • $15.00

    -

    $40.00

    Hourly
  • Remote Job
  • One-time project
    Project Type
Skills and Expertise
Mandatory skills
Node.js
JavaScript
iOS
Android
Activity on this job
  • Proposals:20 to 50
  • Last viewed by client:3 weeks ago
  • Interviewing:
    25
  • Invites sent:
    29
  • Unanswered invites:
    5
About the client
Member since May 19, 2025
  • USA
    Huntingtonbeach7:30 PM
  • $2.7K total spent
    24 hires, 10 active
  • 75 hours

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