I will develop crypto wallets app, defi apps crypto wallet web app
Blockchain Developer
About this Gig
Looking to build a secure, scalable, and modern Crypto Wallet or DeFi App? You're in the right place.
I specialize in blockchain development, offering full-stack solutions for DeFi platforms, crypto wallets, and Web3 dApps tailored to your business needs.
️ What I Offer:
- Custom crypto wallets (Web & Mobile)
- DeFi apps: staking, liquidity, yield farming
- Smart contract development (ERC-20, ERC-721, ERC-1155)
- Web3 integrations (Metamask, WalletConnect)
- Token swaps, governance modules, dashboards
- Backend + frontend integration (Node.js, React, MongoDB)
- Deployment on Ethereum, BSC, Polygon, Arbitrum & more
Whether youre a startup, DAO, or established exchange I ensure secure coding, professional UX/UI, and full Web3 functionality.
️ Security First: Every wallet or DeFi app is built with secure practices including contract audits, safe key management, and error handling.
Lets take your crypto project from concept to reality.
Ready to build your dApp? Contact me now for a free consultation.
Wallet Type:
Mobile digital wallet
Operating system:
iOS
•
Android
•
Windows
Programming Language:
Java
FAQ
What do I need to get started?
A clear idea of the features you want in your wallet or DeFi app. I can help refine your vision and guide you on best practices.
Which blockchains do you support?
Ethereum, Binance Smart Chain (BSC), Polygon, Arbitrum, Optimism, Avalanche, and other EVM-compatible networks.
Can you help with token creation or smart contract audits?
Absolutely. I can create custom tokens (ERC20, ERC721, etc.) and provide basic security auditing.
Will I get the full source code?
Yes, full source code and deployment instructions are included in every package.
Do you offer ongoing maintenance?
Yes. For enterprise clients or evolving DeFi apps, I offer post-delivery support and update services.
Can you integrate third-party APIs like Chainlink or The Graph?
Yes, I can integrate external oracles, data feeds, and indexing protocols into your dApp.

