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I will build a secure fintech digital wallet mobile application
UMAIR
About this gig
I specialize in developing secure crypto wallet and blockchain-integrated mobile apps with a strong focus on performance, scalability, and user experience.
I help startups and businesses turn their ideas into reliable digital products, from MVPs to full-featured applications.
Services:
- Crypto wallet mobile apps (BTC, ETH & more)
- Blockchain-integrated applications
- Wallet-to-wallet transfers
- Transaction history & tracking
- Secure authentication (OTP / 2FA)
- API & Web3 integrations
Security Focus:
I follow best practices for secure data handling, encrypted communication, and protected authentication to ensure your app is safe and reliable.
️Tech Stack:
Flutter | Swift | Node.js | Firebase | REST APIs | Blockchain APIs
Why choose me?
- Fintech-focused development approach
- Clean, scalable, production-ready code
- Reliable communication & delivery
Please contact me before placing an order to discuss your project requirements.
Get to know UMAIR
UMAIR
Senior Mobile App Developer, iOS, Flutter, Fintech
- FromPakistan
- Member sinceFeb 2018
Languages
Urdu, English, Spanish
Senior Mobile App Developer with 10+ years of experience building scalable iOS and Flutter apps for fintech, crypto, and consumer platforms. I’ve contributed to products used by millions, including digital banking and payment systems. I specialize in fintech apps, Web3 solutions, high-performance mobile development, and scalable backend integrations. Focused on performance, clean architecture, and business impact, I deliver reliable, high-quality apps that help turn ideas into successful products.
My Portfolio
FAQ
Do you develop fully functional crypto wallet apps?
Yes, I develop fully functional crypto wallet mobile apps with features like wallet management, transactions, authentication, and API-based blockchain integration based on your project requirements.
Which cryptocurrencies or blockchains can you integrate?
I can integrate popular blockchain APIs such as Bitcoin, Ethereum, and other supported networks depending on your needs. Custom integrations can also be discussed before starting the project.
Will my app be secure?
Security is a top priority. I implement secure authentication (OTP/2FA), encrypted communication, and best practices for safe data handling to ensure your application is reliable and protected.
Do you provide backend development as well?
Yes, backend development is included in higher-tier packages. I can build scalable backend systems, API integrations, and database structures based on your app requirements.
Can you publish the app on App Store or Play Store?
Yes, app submission is included in the Premium package. I can assist you in preparing and submitting your app to the App Store or Google Play Store.
