Rishab A.
Senior Mobile App Developer | Android | iOS | Flutter | Flutterflow
Hi, I’m Rishab Aggarwal, a 5⭐ rated Senior Mobile App Developer specializing in Flutter, FlutterFlow, and scalable cross-platform app development. - 📱 50+ production mobile apps shipped - 🏆 5+ years of hands-on experience in iOS & Android development - 👥 10M+ combined downloads and active users - 🌍 Apps live on the Apple App Store and Google Play Store I help startups, SaaS founders, and growing businesses build high-performance mobile applications using clean architecture, scalable backend systems, and production-ready UI/UX design. 💡 Core Expertise & Technologies - 📱 Flutter Mobile App Development (Cross-platform iOS & Android) - ⚡ FlutterFlow Development (Low-code + Custom Code Extensions) - 🔥 Firebase (Auth, Firestore, Cloud Functions, FCM, Crashlytics) - ☁️ AWS (EC2, Lambda, API Gateway, RDS, S3, Cognito) - 🗄️ Backend Development (Node.js, REST APIs, GraphQL) - 🧩 State Management (Provider, Riverpod, Bloc, GetX) - 🏗️ Clean Architecture, MVVM, MVC patterns - 🔌 Third-Party API Integrations - 💳 Stripe, Razorpay, In-App Purchases, Subscriptions - 🤖 AI Integrations (OpenAI APIs, ChatGPT, ML models) - 📊 Analytics (Firebase Analytics, Mixpanel, Amplitude) - 🔐 Secure Authentication (OAuth, JWT, Social Login) - 🔔 Push Notifications (Firebase Cloud Messaging, OneSignal) - 🚀 CI/CD pipelines, Play Store & App Store deployment - 🛠️ Performance optimization, code refactoring & scaling - 📦 MVP development for startups - 🔄 App maintenance, feature upgrades & long-term scaling Industries worked with: - SaaS platforms - E-commerce apps - Fintech applications - Health & fitness apps - EdTech platforms - Marketplace & on-demand apps - AI-powered applications ✅ Why clients choose me - ⭐ Consistent 5-star feedback - ⏱️ Fast MVP delivery (working builds in 7–14 days) - 🧠 Product-focused mindset, not just coding - 🛡️ Secure, scalable, and production-grade architecture - 📦 Fully compliant App Store & Play Store submissions - 📈 Apps built for performance, retention, and growth If you’re looking for a Flutter developer, FlutterFlow expert, or full-stack mobile app developer who understands scalability, backend architecture, and real user experience, let’s build something powerful.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $17k
Billed in all: $44,101$44k
$1.3k in the last 6 months
Across 63 contracts
Earnings, last 30 days
Skill rankings: Top 4% in Dart
Ranked by MRR among everyone on Upwork with the skill.
- #15App Store302 freelancers · 🇮🇳 #3Top 5%🇮🇳#3 of 52
- #31Android App776 freelancers · 🇮🇳 #9Top 4%🇮🇳#9 of 250
- #48FlutterFlow834 freelancers · 🇮🇳 #12Top 6%🇮🇳#12 of 285
- #91Dart2,324 freelancers · 🇮🇳 #22Top 4%🇮🇳#22 of 650
- #136AI Mobile App Development1,401 freelancers · 🇮🇳 #49Top 10%🇮🇳#49 of 463
- #149Kotlin3,021 freelancers · 🇮🇳 #39Top 5%🇮🇳#39 of 1,034
- #193Mobile App3,535 freelancers · 🇮🇳 #41Top 5%🇮🇳#41 of 949
- #202Swift3,634 freelancers · 🇮🇳 #50Top 6%🇮🇳#50 of 1,276