Kopaihorod, Vinnytsia, Ukraine
$40/hr · Starting at $25
First priority is Credit Perfect results within the Deadline Original Ideas and Fiery Passion As a Senior Developer in the web world, I have already gone through many realities and have become a great…
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…
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…
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…
Latrobe, Pennsylvania, United States
$80/hr · Starting at $150
I develop blockchain-based applications that interact with real networks, wallets, and token systems. One example is a desktop application built for the Causevest ecosystem that allows users to manage…
Madurai, Tamil Nadu, India
$5/hr · Starting at $25
I will develop blockchain applications, smart contracts, crypto wallets, token systems, ICO platforms, and Web3 integrations. Services: • Smart Contract Development • ERC20/BEP20 Token Creation • Cryp…
Gumel, Jigawa, Nigeria
$20/hr · Starting at $1,000
Hello, I'm Muhammad Sani Yahaya, a dedicated AI Training Specialist, Data Annotation Expert, and Web3 Professional with experience supporting AI, blockchain, and digital projects. I specialize in data…
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
Batkhela, North-West Frontier, Pakistan
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,…
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…
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
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…
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…
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…
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…
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…
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