Moscow, Moscow, Russian Federation
$25/hr · Starting at $100
More than 5+ years experienced in developing web applications using React.js, HTML and CSS. I also worked on developing a variety of iPhone apps using Objective-C and Swift languages. My skills - Java…
Krasnodar, Krasnodar, Russian Federation
$50/hr · Starting at $150
Hello! I am new on upwork , but I have rich experience in blockchain software fields. My Skills fields 1. erc20/bep20, erc721/bep721, erc1155 smart contract etc 2. web3.js, node.js, react.js 3. integ…
ciudad de mexico, Mexico, Mexico
ID Verified
$65/hr · Starting at $500
Hey Employer, My name is Jorge Rosales from Mexico. Experienced in Rust Solana Blockchain, Nft Smart Contract, Ethereum, Airdrops Bot, Solana Smart contract, Nft Marketplace, Smart Contract Audit, etc…
Batkhela, North-West Frontier, Pakistan
$5/hr · Starting at $25
ERC20 token or BEP20 token with no deflationary features, tax etc deflationary token with these features. reflections, autoliquidity, marketing fee in native token, auto burn 3. deflationary token wit…
Guru Har Sahai, Punjab, India
$60/hr · Starting at $2,000
We have worked on ERC20, ERC721, ERC65, ERC1155, TRC20, BNB, AAVE, COMP, SUSHI, LINk, CAKE, and UNI. airdrop contracts, gasless contracts, staking contracts, swap contracts, dapp, defi, HEX, CEX, DEX,…
Dandong, Liaoning, China
$50/hr · Starting at $40
Securing the blockchain network with new technologies. Utilizing cryptography techniques to protect against hackers and other cyber attacks. Maintaining client and server-side applications. Preparing
Delhi, Delhi, India
$20/hr · Starting at $25
Firstly look at the quality of work that I did, I have already built enormous ChatBots for various organizations, some of them are also being published by Google. We have the team of two people. We ca…
Shenzhen, Guangdong, China
$45/hr · Starting at $35
I'm a senior web-developer with a solid background in different programming areas. Looking to take a part in a challenging project related to blockchain and cryptocurrencies. I have good understanding…
illesha, Osun, Nigeria
$10/hr · Starting at $400
All set to start your NFT or FinTech website/ business, but stuck on the ground position for a perfect high converting website or smart contract with custom functionalities? With my web advancement pl…
Sao Joao da Madeira, Aveiro, Portugal
$50/hr · Starting at $500
React.js (Next.js with server side-rendering for SEO); Metamask, Trust Wallet and WalletConnect integrations; ERC721 or ERC1155 Non-Fungible Token Smart Contract; Whitelist, Pre Sale and Public Sale w…
Miami, Florida, United States
$60/hr · Starting at $5,000
Wallet Integration (Metamask, Openmask....etc.) -Smart Contract Development Deployment -NFT Minting Dapp -Custom Dynamic Admin Panel -Public/Private Minting -Presales -Whitelists -Giveaways -Dynamic…
Chandigarh, Chandigarh, India
$10/hr · Starting at $100
My name is Pankaj Kumar and I bring with me a vast array of skills comprising an experience of over 8 years in Web Development and 2 Years of Web3 and Solidity. My field of expertise include: Blockcha…
Odessa, Odes'ka Oblast', Ukraine
$50/hr · Starting at $1,000
Technology I work with: - Blockchain * ERC20, ERC777, ERC223, ERC721, ERC1155 Token development * Sophisticated smart contracts or NFTs on leading blockchains such as Ethereum, Bitcoin, Binance, Stell…
Livenka, Singapore, Singapore
$50/hr · Starting at $30
- Develop smart contracts in Solidity and Rust. - Develop RPC using client libraries such as Web3js. - Static analysis of smart contracts for gas consumption and optimization using Remix IDE. - Develo…
Truskavets, L'vivs'ka Oblast', Ukraine
$40/hr · Starting at $1,000
⭐⭐⭐Here are my specialist in Blockchain Development⭐⭐⭐ ✔Solidity, Solana, Rust ✔ERC-20, ERC-721, ERC-1155 ✔Dapp, Cryptocurrency, Smart Contract, NFT Marketplace ✔ Roadmap, Mint, Stake, Fork ✔Web3.js,
Altamonte Springs, Florida, United States
$30/hr · Starting at $100
Frontend Development React.js, TypeScript, Redux, Next.js, Angular.js, Vue.js Material-UI, Tailwind CSS, Bulma CSS, MDBReact, Kendo UI, Bootstrap Perfect Responsive, Pixel perfect fronten
Prefecture, Liaoning, China
$40/hr · Starting at $60
Utilizing cryptography techniques to protect against hackers and other cyber attacks. Maintaining client and server-side applications. Securing the blockchain network with new technologies. Preparing
Ahmedabad, Gujarat, India
Past Earnings
$30/hr · Starting at $25
Seven Bits brings end-to-end Blockchain-based business services that build incorruptible digital solutions. Be it ICO, IEO, crypto exchange, or contract development, our team uses an agile development…
Dunyapur, Punjab, Pakistan
$10/hr · Starting at $250
Crypto ICO and Presale Website Development with Web3 Wallet Connect Welcome to my Crypto ICO and Presale dApp Website Service. If you're searching for a professional ICO or Presale website with Web3 w…
Khansar, Punjab, Pakistan
$8/hr · Starting at $40
We build Web3 solutions that transform traditional digital experiences into decentralized, user-controlled ecosystems powered by blockchain technology. Our services span smart contract development, de…