Sanjay K.

Mobile App Development That Scales, With AI Built In I build high-quality, production-ready mobile apps for Android, iOS, and Flutter, designed to be fast, stable, and ready to grow. With 14+ years of real-world experience, I help startups and businesses turn ideas into reliable mobile products that pass App Store and Google Play review smoothly, without delays or surprises. If you need a developer who understands mobile performance, clean architecture, and AI-powered features, you’re in the right place. Mobile Apps I Build Native Mobile Development • Android Apps: Kotlin, Jetpack Compose, Coroutines, MVVM • iOS Apps: Swift, SwiftUI, UIKit, Combine, Core ML Cross-Platform Development • Flutter apps with shared logic and native-level performance • Faster development without sacrificing quality AI/ML-Powered Mobile Apps I specialize in AI-enabled mobile applications that deliver real business value, not just demos. AI Features I Implement • AI chatbots and assistants inside mobile apps • Document Q&A (PDFs, forms, reports) • Speech-to-text and voice-based features • Smart suggestions and recommendations • Image processing and content analysis • OpenAI GPT & Whisper integration • On-device ML using Core ML & ML Kit Your app gets practical AI, built securely and optimized for mobile performance. Backend & App Integrations • Firebase, Supabase, Firestore • REST APIs & third-party integrations • Authentication & role-based access • Real-time data sync • Secure cloud functions App Features & Growth Tools • In-app payments & subscriptions • Push notifications & deep linking • Analytics & crash reporting • Performance optimization • CI/CD, Fastlane, automated builds Fix, Improve, or Scale Existing Apps Already have an app? I can help with: • App Store & Play Store rejection fixes • Crashes, ANRs, and performance issues • Refactoring messy or slow codebases • Feature upgrades and AI integration • Long-term maintenance and scaling Industries I’ve Worked With: • E-commerce: Payments, product flows, customer apps • AI Tools & SaaS: Productivity and automation apps • Healthcare & Fitness: Secure tracking & wellness solutions • EdTech: Learning apps and educational platforms • Finance & Utilities: MVPs and internal business tools Why Clients Choose Me • Clean, maintainable, production-ready code • Strong mobile architecture & performance focus • AI/ML features that actually ship • Clear communication and reliable delivery • Long-term thinking, not quick hacks Ready to Build or Improve Your App? Whether you’re starting from scratch, adding AI features, or fixing an existing app, I can help you move fast without sacrificing quality. 📩 Send me a message and tell me about your project.