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Hassnain Haider
@hassnain_haide
Flutter Mobile App Developer for iOS and Android
Pakistan
English, Urdu
About me
I’m a Software Engineer and Flutter Mobile App Developer with 5+ years of experience crafting high-quality, cross-platform mobile applications for startups, enterprises, and global clients.
I specialize in building scalable, user-centric Android & iOS apps.
My expertise includes seamless REST API & WebSocket integrations, payment gateways (Stripe, PayPal, Razorpay), Google services, and third-party SDKs. I excel at converting Figma designs into pixel-perfect, high-performance interfaces with exceptional user experience.
{Bachelor’s in Software Engineering}.
Skills
Hassnain Haider
Offline •
Average response time: 1 hour
See my services
Cross-Platform Development
I will develop flutter mobile app for android and ios as flutter developer
Cross-Platform Development
I will fix flutter bugs and optimize app performance fast
Portfolio
Work experience
Flutter Developer – NextGen Studio
NextGen Professional • Full-time
Jan 2024 - Jun 2026 • 2 yrs 5 mos
=> Developed and maintained production-grade Flutter applications for Android and iOS. => Implemented Clean Architecture, MVVM, and scalable state management solutions. => Integrated REST APIs, WebSockets, payment gateways, and third-party SDKs. => Delivered and supported the Gemini Secure app published on both the App Store and Google Play. => Collaborated with designers and backend teams to build secure, high-performance mobile experiences.
Mobile apps developer
Wave Labs co, • Full-time
Jan 2023 - Jan 2024 • 1 yr
=> Developed and maintained cross-platform Flutter applications. => Integrated REST APIs and real-time features. => Published and maintained applications on Google Play Store and Apple App Store. => Collaborated with international teams to deliver production-ready solutions.
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