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Hiring Guide 7 min read

How to Hire a Cross-Platform App Developer

React Native, Flutter, or Tauri? Here's how to hire cross-platform app developers who ship iOS and Android apps without maintaining two codebases.

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One Codebase, Two Stores Cross-Platform Options Compared Skills to Look For Interview Questions That Work Red Flags That Disqualify Hire for Your Use Case

You need an iOS app. You need an Android app. You don't want to hire two separate teams or maintain two separate codebases. Cross-platform development promises the best of both worlds - but only if you hire the right developer. Here's how to find them.

Cross-Platform Options Compared

React Native

Language: JavaScript/TypeScript

Performance: Good

Native Access: Excellent

Best For: Web devs building mobile apps

Flutter

Language: Dart

Performance: Excellent

Native Access: Good

Best For: Pixel-perfect UI across platforms

Tauri Mobile

Language: Rust + Web

Performance: Excellent

Native Access: Good (via Rust)

Best For: Performance-critical desktop apps

React Native has largest talent pool. Flutter has better performance. Choose based on your needs.

How We Evaluate Framework Fit

Questions we ask before recommending a framework:

✦ Will the app require deep native integrations?
✦ Is launch speed more important than long-term platform optimization?
✦ Does the team already have JavaScript, TypeScript, Dart, or Rust expertise?
✦ Will the product require heavy offline capabilities?
✦ Are future desktop applications part of the roadmap?
✦ What percentage of users are expected on iOS versus Android?

Skills to Look For

A great cross-platform developer has:

✦ Experience with at least one framework (React Native or Flutter)
✦ Understanding of native iOS and Android basics (even if not an expert)
✦ Knowledge of mobile-specific concerns (offline storage, push notifications, permissions)
✦ Experience with app store deployment (App Store Connect, Google Play Console)
✦ Understanding of mobile performance (bundle size, startup time, memory usage)

How to Verify Real Experience

Evidence worth asking for:

✦ App Store or Google Play listings they contributed to
✦ Screenshots of production analytics dashboards
✦ Examples of crash fixes or performance optimizations
✦ Deployment workflows they personally managed
✦ Architecture diagrams or technical design documents
✦ References from previous clients or employers

Interview Questions That Work

Look for real shipping experience, not just pet projects. Challenges: platform-specific bugs, performance issues, or store rejection stories are valuable.

Conditional rendering, platform-specific file extensions (.ios.js/.android.js), or native modules when necessary. Strong candidates don't force identical UIs.

Honesty: heavy AR/VR, complex animations, deep hardware integration, or when you need platform-specific expertise (e.g., WatchOS, Apple Pay integration).

Red Flags That Disqualify

Walk away if they:

✦ Have never shipped to both app stores
✦ Don't understand the difference between iOS and Android design patterns
✦ Claim cross-platform apps perform as well as native (they don't - but close enough)
✦ Can't explain how to handle offline sync
✦ No experience with mobile-specific debugging tools

Hire for Your Use Case

Cross-platform saves time and money, but it's not magic. Hire developers who understand the trade-offs. Offline Pixel pre-vets cross-platform app developers who have shipped real apps. Raise a request, talk to candidates, fund the project, and approve payment when the work is done.

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What to Look For in a React Native or Flutter Engineer

Native vs Cross-Platform: Which Should You Hire For?

Ready to hire a cross-platform app developer?

Raise a request → Talk to experts → Fund the project → Expert works → Review & approve payment