Muhmmad U.

Senior Flutter Developer | Fintech & Mobile Banking Expert | Apple Pay, Google Pay & Payment Gateway Integration Are you building a **fintech app, digital wallet, payment gateway, mobile banking application, or financial platform?** You need more than just a Flutter developer—you need an expert who understands the security, compliance, and payment technologies that power modern financial applications. I'm **Usman**, a **Senior Mobile Application Developer** with **10+ years of experience** specializing in **Flutter, Native iOS (Swift), and Native Android (Kotlin)**. Over the past decade, I've successfully delivered secure, high-performance mobile applications for banks, fintech startups, and enterprise organizations. My expertise goes beyond mobile development. I specialize in building **banking-grade applications** with secure payment processing, tokenization, biometric authentication, and PCI-compliant architectures. ## My Expertise ✔ Flutter App Development (iOS, Android & Web) ✔ Native iOS Development (Swift) ✔ Native Android Development (Kotlin) ✔ Payment Gateway Integration ✔ eKYC Solutions -Complaince ✔ Apple Pay Integration ✔ Google Pay Integration ✔ Samsung Pay Integration ✔ Digital Wallet & Wallet Extensions ✔ Banking & Fintech Applications ✔ Mobile Banking Solutions ✔ PCI DSS Compliance ✔ Payment Tokenization ✔ Biometric Authentication (Face ID & Fingerprint) ✔ Secure Storage & Encryption ✔ SSL Certificate Pinning ✔ REST APIs & Financial System Integration ✔ Core Banking System Integration ✔ Clean Architecture, MVVM & BLoC ## Why Clients Hire Me * 10+ years of professional mobile development experience * Deep expertise in fintech and digital payment solutions * Strong understanding of banking security standards and compliance * Clean, scalable, and maintainable code * Reliable communication and on-time delivery * Experience working with startups, enterprises, and banking institutions I don't try to be everything to everyone. I focus on one thing—building secure, scalable, and production-ready mobile applications for the financial industry. If your project involves **Flutter development, payment gateway integration, Apple Pay, Google Pay, mobile banking, fintech, digital wallets, payment security, or financial APIs**, there's a strong chance I've already solved similar challenges. Let's discuss your project. Share your requirements, and I'll provide honest feedback on the best approach—and whether I'm the right developer to help bring your vision to life.