I will do cross platform application development for ios android mac windows linux


About this gig
Developed VPN and POS applications already.
Im Muzahid, a Full Stack Mobile App Developer with 7+ years of experience building scalable, high-performance cross-platform applications. I specialize in Flutter app development for Android, iOS, Windows, macOS, and Linux using a single clean codebase with strong backend codebase.
What I Offer:
- Custom Android and iOS App Development
- Cross-Platform Flutter App Development
- Windows, Mac & Linux Desktop Applications
- REST API & Firebase Integration
- Admin Panel & Backend Development
- Payment Gateway Integration
- App Store & Play Store Deployment
- App Optimization & Bug Fixing
I use Go Language for Core Feature, Dart for the cross platform and Platform Specific codes for the communication i.e. Kotlin, C, C++, C#, Swift
I focus on modern UI/UX design, clean architecture, scalable backend systems, and long-term maintainability. Whether you need an MVP, business app, SaaS platform, or a complete production-ready solution, I deliver secure and reliable applications tailored to your business goals.
Note: Message me before placing an order so we can discuss your project and build something powerful together.
Let's do a video meeting now.
Get to know Muzahid
Cross Platform Web and Application Developer
- FromBangladesh
- Member sinceFeb 2026
Languages
Bengali, English, Hindi, Urdu
My Portfolio
FAQ
Have you ever developed cross platform application?
Yes. I developed AmzroVPN, a cross-platform VPN application mainly focused on the Chinese marketplace where internet access is restricted, as well as users in Russia, Afghanistan, Iran, and other regions. I also developed a Windows-based EPOS application for Vesopa EPOS Limited. Scalable apps.
Are you able to provide country-specific languages?
Absolutely. I have already implemented multi-language support in VPN applications (currently available in 8 languages). I can integrate your country-specific language with proper localization for Android, iOS, and desktop apps.
Are you expert in Windows, Mac and Linux app development?
Yes. I build desktop applications using Flutter with platform-specific integration when required. I develop and optimize applications for Windows, macOS, and Linux with performance-focused architecture.
Can you publish my app on Google Play Store, Apple App Store, Microsoft Store, and Snap Store?
Yes. I provide complete deployment support for Google Play, Apple App Store, Microsoft Store, and Snap Store including signing, certificates, builds, and compliance guidance.
Can you code hardware-related features?
Yes. I use GoLang for high-performance custom features and hardware-level integrations including printing systems, device communication, and other hardware-dependent functionalities.
Can you integrate Stripe, PayPal, Google Pay, Apple Pay or other payment gateways?
Yes. I integrate secure payment gateways such as Stripe, PayPal, Google Pay, Apple Pay, and subscription-based billing systems for mobile and web applications.
Can you add AI features to my application?
Yes. I can integrate AI features including chatbots, automation systems, smart search, API-based AI models, and business intelligence tools within your application.
Can you build a backend or admin panel for my app?
Yes. I develop secure backend systems, REST APIs, and admin dashboards for complete control over users, subscriptions, analytics, and content management.
Can you integrate third-party APIs?
Yes. I can integrate any REST API, payment API, cloud API, authentication services, or custom third-party systems into your mobile or desktop application.
Do you provide scalable and secure architecture?
Yes. I focus on clean code, secure authentication, cloud deployment (AWS, Google Cloud, VPS), and scalable backend systems designed for long-term business growth.

