Vipul Kaushik

My services .

I'm a React Native Developer with 8+ years of experience building fast, secure, and scalable iOS & Android apps for SaaS, Fintech, HealthTech, and eCommerce companies.

Cross-Platform Development

Build native iOS & Android apps with React Native (CLI & Expo), TypeScript, and modern state management (Redux, Zustand).

Backend & API Integration

Node.js, Express.js, Firebase, PostgreSQL, MongoDB, REST APIs, GraphQL, and Supabase integration.

Payment Systems

Stripe subscriptions, PayPal, Razorpay, in-app purchases, and secure payment gateway integration.

Security & Compliance

GDPR/HIPAA compliance, secure authentication, OAuth, JWT, OTP systems, and data protection.

Location Services

Google Maps, Mapbox integration, location tracking, and geolocation features for mobile apps.

Push Notifications

Expo notifications, Firebase Cloud Messaging (FCM), OneSignal integration for real-time updates.

App Store Deployment

iOS App Store & Google Play Store submission, Fastlane automation, and store optimization.

Cloud & DevOps

CI/CD with Fastlane, Bitrise, GitHub Actions, Docker, and cloud infrastructure management.

Testing & Debugging

Jest, Detox, React Testing Library, Flipper, Reactotron for comprehensive testing and debugging.

SaaS & Analytics

Multi-tenant SaaS dashboards, real-time analytics, KYC systems, and business intelligence features.