(Service · Full-Stack Software Engineer in Dhaka, Bangladesh)
Web3 & crypto payment development
Wallet sign-in, crypto payments on BSC and TRON, token-based pricing and DeFi app frontends wired to smart contracts.
(What's included)
- Wallet connect (MetaMask, TronLink, WalletConnect)
- USDT payments and on-chain checks
- Staking and rewards frontends
- Smart-contract integration
(Built with)
Wagmi · Ethers.js · Web3.js · TronWeb · Solidity
(Working together)
Freelance: evenings & weekends (GMT+6). A free call first, then a written scope and quote. 30 days of free fixes after launch.
Proof
Common questions
- Which chains and wallets do you work with?
- USDT payments on BSC and TRON, wallets through MetaMask, TronLink and WalletConnect, and a DeFi app on Base that swaps through Uniswap V4.
- Can customers pay in crypto without connecting a wallet?
- Yes. The Gift Card Shop accepts USDT by wallet or by QR code, and delivers the gift card code as soon as the payment clears.
- Do you write smart contracts?
- Mostly I build the app around the contracts — wallet connection, staking and payment flows. For Ethos I also designed a registry contract that splits fees between pool types, deployed on Base.
(Other services)
Have a project in mind?