Randhir S.

If your mobile application needs better performance, scalability, modern architecture, or a reliable development partner to turn your idea into a successful product, I can help.

I am a Top Rated Plus Mobile App Developer (Top 3% on Upwork) with 8+ years of experience building high-performance native and cross-platform mobile applications for startups, scale-ups, and enterprises.

With 500+ successfully completed projects, a 100% Job Success Score, and 7000+ personal Upwork hours, I specialize in transforming ideas into scalable mobile products that improve user experience, engagement, and business growth.

📱 What I Can Help You Build

✅ Native iOS Applications
✅ Native Android Applications
✅ Cross-Platform Mobile Apps
✅ AI-Powered Mobile Applications
✅ SaaS Mobile Applications
✅ MVP Development & Product Prototyping
✅ E-Commerce & Marketplace Apps
✅ On-Demand Service Applications
✅ Healthcare & Fitness Apps
✅ FinTech Applications
✅ Social Networking Apps
✅ Real-Time Chat & Video Calling Apps
✅ Location-Based Applications
✅ IoT & Connected Device Applications
✅ Custom Backend Systems & APIs

⭐ Mobile Development Expertise

Cross-Platform Development
• Flutter
• React Native

Native Mobile Development
• Swift (iOS)
• Kotlin (Android)
• Java (Android)

⚙️ Backend & API Development

• Node.js
• NestJS
• Laravel
• PHP
• Express.js

Building secure, scalable backend systems, REST APIs, real-time services, and cloud-connected mobile solutions.

☁️ Database & Cloud Technologies

• Firebase
• MongoDB
• MySQL
• PostgreSQL
• DynamoDB

🔗 Third-Party Integrations

• Payment Gateways (Stripe, Razorpay, PayPal)
• Twilio (SMS, Voice & Video)
• Google Maps & Location Services
• Apple Maps
• Push Notifications
• REST APIs
• WebSockets
• Social Login Integrations