Guman Singh K.

I'm Senior Flutter Developer specializing in AI-powered mobile apps, MVP development, and firebase backend architecture. I help startups and businesses turn app ideas into fast, scalable iOS and Android products - from first MVP to full-scale SaaS. 80+ apps shipped, 3,200+ hours worked, TOP RATED PLUS on Upwork. What I Build: MVPs, SaaS apps, marketplaces, social apps, subscription products, and AI-Powered mobile features (chatbots, AI agents, LLM integrations). My Stacks: Flutter, Dart, Kotlin, Swift, Native Channel, Firebase (Auth, Firestore, Functions, Crashlytics, Messaging, Analytics), Node.js, Typescript, Supabase, AWS, Claude, OpenAI/ChatGPT, Gemini, Stripe, RevenueCat, and state management (Bloc, Riverpod, MVVM, Clean Architecture) I also handle feature additions, bug fixes, UI modernization, Firebase migrations, backend work, and App store / Google Play deployment with clear communication and production ready, maintainable code. 💬 Client Feedbacks "Guman has been a godsent. I cannot speak highly enough about his expertise and skillset. A job I thought would be complicated was an absolute breeze for Guman. I will 100% be using Guman again" - Blake Sinclair "Guman has worked in the best possible way for us to secure the continued development on our app. He is a real expert, and I recommend his work to anyone needing a mobile/flutter developer" - Sphinx (Jan Jakob Jessen) "Excellent freelancer and very good work for our flutter mobile app project" - Jim Clarke Ready to build your MVP or SaaS app or Add AI to your app ? Send me a message with your project requirements or book a 30-minute consultation.