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I will build and scale your web3 project
Yurii Firs
About this gig
Are you looking for a blockchain developer to build smart contracts, NFT platforms, DeFi apps, or a fully custom crypto wallet? Look no further!
At Wetelo, we specialize in full-stack blockchain developmentdelivering scalable, secure, and production-ready solutions for startups, enterprises, and Web3 innovators. From ideation to deployment, our team brings deep experience in Solidity, Rust, Web3.js, React, Node.js, and crypto integrations.
Our Blockchain & Crypto Development Services:
- Smart Contract Development (Solidity, EVM-Compatible Chains)
We develop secure, gas-optimized smart contracts for Ethereum, Polygon, BNB Chain, and more.
- NFT Platform Development (ERC-721, ERC-1155)
Build your own NFT marketplace, minting platform, or collectibles site with full wallet and metadata integration.
- Decentralized App (dApp) Development
End-to-end dApp development using React, Next.js, and Web3.js/Ethers.js with wallet authentication, token interaction, and real-time blockchain data.
- Crypto Wallet Integration
Seamlessly connect MetaMask, WalletConnect, Coinbase Wallet, and more.
Blockchain MVP & SaaS Solutions
- We help startups quickly launch MVPs or SaaS platforms.
Get to know Yurii Firs
Yurii Firs
- FromUkraine
- Member sinceNov 2022
- Last delivery1 year
Languages
English, Ukrainian
I have been in the IT industry for more than 10 years. Currently, I am the CEO of Wetelo, Inc., a successful software development company. I can offer you a team of 10+ professional web and mobile developers with extensive experience in launching challenging long-term projects.
Your business goals is my top priority and I will do my best to achieve them.
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Other Software Development Services I Offer
FAQ
Can you help me define the scope if I only have an idea?
Absolutely! We offer project discovery and ideation support. If you're not sure where to start, we’ll guide you through defining a clear technical scope and roadmap.
Will you deploy the smart contract and dApp for me?
Yes! We handle deployment on both testnets and mainnets, including contract verification, dApp hosting, and cloud deployment (if included in your package).
What blockchains do you support?
We support Ethereum, Polygon, BNB Chain, Avalanche, Arbitrum, Base, and other EVM-compatible chains. For non-EVM chains (e.g., Solana, Near), please message us first.
Do you offer NFT marketplace or DeFi app development?
Yes. We build custom NFT platforms, DeFi staking apps, liquidity pools, governance dApps, and other token-based systems from the ground up.
