Hire App Developers for iOS & Android

Build stunning, high-performance mobile apps for iOS and Android. From startup MVPs to enterprise-grade solutions, our developers deliver apps users love.

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ProfileMOBILE APP SPECIALISTS

Role: App Developers
Stack: React NativeFlutteriOS (Swift)Android (Kotlin)Firebase
Overlap: US and EU/UK business hours
Availability: 5-7 business days
Model: Dedicated, Hourly, Project-Based

Illustrative. A typical profile for this role.

Why Hire Our App Developers?

Expert mobile developers delivering pixel-perfect, scalable, and secure apps for every platform.

Cross-Platform Expertise

Build once, run everywhere. Our developers deliver polished apps for iOS and Android using React Native and Flutter.

Performance-Optimised

60fps animations, lazy loading, and optimized API calls for a native-like experience on every device.

End-to-End Delivery

From UI/UX design to App Store submission, we handle the entire development and release cycle.

Secure & Scalable

JWT auth, encrypted storage, OWASP best practices, and cloud-native backends built to scale.

Our Development Process

01
Discovery & planning
Define user personas, core features, platforms, and success metrics.
02
UI/UX design
Create wireframes, prototypes, and pixel-perfect Figma designs.
03
Developer selection
Review curated profiles and interview candidates matching your needs.
04
Agile development
Sprint-based development with weekly demos and continuous delivery.
05
Testing & QA
Device testing, unit tests, integration tests, and performance profiling.
06
App Store launch
Submit to Google Play and Apple App Store with full ASO support.
07
Post-launch support
Monitor crash reports, push updates, and iterate on user feedback.

Why CognyX AI?

Certified & Senior Developers
Clean & Scalable Code
Fast Project Kickoff
Dedicated Team Model
Transparent Communication
On-Time Delivery
Performance-Optimized Apps
NDA & IP Protection
Flexible Engagement Models
Ongoing Support & Maintenance

Our Core AI Services

E-Commerce & Retail
HealthTech & Telemedicine
FinTech & Payments
EdTech & E-Learning
On-Demand & Logistics
Travel & Hospitality
Real Estate
Social & Community Apps

Education

EdTech

Finance

Logistics

Supply Chain

Manufacturing

Retail

eCommerce

Hospitality

Travel

Insurance

Real Estate

Telecom

React Native Development

Cross-platform iOS & Android apps
Custom UI components
Expo & bare workflow
Push notifications
Offline-first architecture
App Store & Play Store publishing

Flutter Development

Beautiful native-like UIs
Dart-based performance
State management (Riverpod/Bloc)
Platform-specific integrations
Web & desktop targets
Firebase integration

Native iOS & Android

Swift/SwiftUI for iOS
Kotlin/Jetpack Compose for Android
In-app purchases & subscriptions
Biometric authentication
ARKit / ARCore integration
Deep linking & universal links

EXPERTISE IN MODERN TECH STACKS

React Native
Flutter
iOS (Swift)
Android (Kotlin)
TypeScript
Redux
Firebase
Node.js
FastAPI
GraphQL
PostgreSQL
MongoDB
AWS
Docker
GitHub Actions
GitHub
Git
Stripe

Flexible Hiring Models

Dedicated Developer

Full-time exclusive focus.

Hourly Hiring

Short-term tasks & consulting.

Project-Based

Fixed scope and timeline.

CognyX took full ownership of our project and brought it to new heights: responsive, proactive and technically top-notch, often exceeding our requirements.

Bryan VeronaFlyKatana

Frequently Asked Questions

Everything you need to know before hiring our app developers.

Do you build for both iOS and Android?

Yes. We deliver cross-platform apps using React Native or Flutter, as well as native iOS (Swift) and Android (Kotlin) apps based on your requirements.

How long does it take to build a mobile app?

A typical MVP takes 8–14 weeks. Timeline depends on complexity, feature scope, and design requirements.

Do you handle App Store submission?

Absolutely. We manage the full submission process for both Apple App Store and Google Play, including review responses.

Can you integrate third-party services like payments or maps?

Yes. We integrate Stripe, Razorpay, Google Maps, Firebase, Twilio, and many other third-party APIs.

Will I own the source code?

Yes. All code, assets, and IP are fully owned by you as per contract. We sign NDAs before starting any project.

Can I hire a dedicated app developer long-term?

Yes. You can engage our developers on a part-time, full-time, or dedicated team basis with flexible monthly contracts.