Browse categories
Explore
Fiverr Pro
English
$
USD
I will develop blockchain solutions, smart contracts, solidity, web3, and dapps
Expert API Integrations, Secure Auth, Stripe, Firebase Dev Solutions
Struggling with broken integrations, insecure authentication, or APIs that just won’t sync? I help businesses fix OAuth2, JWT, social login, Stripe payments, Firebase & Supabase backends fast. I speci...
About this Gig
HELLO
Looking to build secure, scalable, and efficient blockchain solutions? I specialize in developing smart contracts, decentralized applications (dApps), and Web3 integrations tailored to your business or project needs.
Whether you're launching a startup, NFT project, or DeFi platform, I deliver reliable blockchain solutions with a strong focus on security, performance, and usability.
What I offer:
- Smart contract development (Solidity)
- dApp development (frontend + backend)
- Token creation (ERC-20, ERC-721, ERC-1155)
- NFT marketplace development
- DeFi applications (staking, swapping, liquidity pools)
- Blockchain integration with web apps
- Smart contract auditing (basic security checks)
- Bug fixing and optimization
Blockchain Platforms:
- Ethereum
- Binance Smart Chain (BSC)
- Polygon
- Solana (basic support)
Tech Stack:
- Solidity, Web3.js, Ethers.js
- React, Node.js
- Hardhat / Truffle
- IPFS for decentralized storage
Why choose me?
- Secure and tested smart contracts
- Clean, scalable code
- Clear communication and updates
- On-time delivery
- Post-delivery support
INBOX ME NOW...............
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
