I will build a secure crypto wallet app, blockchain app, defi wallet, and exchange
About this gig
Welcome to My Fintech & Mobile App Development Gig
Are you looking for a professional developer to build a secure, scalable, and modern fintech app, payment app, crypto wallet app, banking app, or neobank app?
You've come to the right place.
I specialize in building secure, scalable, and feature-rich crypto wallet apps, DeFi wallets, blockchain wallets, Web3 apps, crypto exchanges, and decentralized applications (dApps) for startups, businesses, and blockchain projects.
My services include custom Android, iOS, Flutter, and web development with features such as wallet creation, multi-currency support, token management (ERC-20/BEP-20), crypto transfers, QR payments, staking, swap integration, WalletConnect, smart contract integration, KYC/AML verification, transaction history, admin dashboard, push notifications, API integration, and enterprise-grade security.
Whether you need a Bitcoin wallet, Ethereum wallet, DeFi platform, crypto exchange, or a custom blockchain solution, I'll deliver clean code, modern UI/UX, and a scalable architecture tailored to your business
Please contact me before placing an order to discuss your project requirements, preferred blockchain, features, time
Get to know Makam M
- FromUnited States
- Member sinceMar 2025
- Avg. response time18 hours
Languages
Arabic, French, Spanish, Dutch
FAQ
What blockchain and crypto solutions do you develop?
I develop crypto wallet apps, blockchain apps, DeFi wallets, crypto exchanges, Web3 applications, dApps, NFT platforms, token-based solutions, and custom blockchain applications for startups and businesses.
Which blockchain networks do you support?
I can work with Ethereum, Binance Smart Chain (BNB Chain), Polygon, Solana, Tron, Avalanche, Arbitrum, Optimism, and other EVM-compatible blockchain networks based on your project requirements.
Can you develop a custom crypto wallet or exchange?
Yes. I build fully customized crypto wallets and exchange platforms with features such as multi-currency support, token management, wallet backup, QR payments, trading modules, staking, swaps, WalletConnect integration, and admin dashboards.
Do you integrate smart contracts and Web3 features?
Absolutely. I can integrate smart contracts, WalletConnect, MetaMask, token standards (ERC-20, BEP-20, ERC-721, ERC-1155), NFT functionality, DeFi protocols, and secure blockchain APIs.

