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    64 jobs found, pricing in USD
    Blockchain - Website 6 days left
    VERIFIED

    Need a good developer for website.

    min $50000
    min $50000
    0 bids

    Hi, I am looking for an MEAN Stack developer who has experience in Web3 and Smart Contract Integration. We will prefer someone who can take up work quickly and start right away. More details in chat

    $13 / hr (Avg Bid)
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    12 bids
    NFTswitch.xyz 6 days left

    Contact email - @protonmail .com We have multiple SOL communities backing our launch. All work will be Audited. If the right fit an equity Share will be available. If serious send a real email.

    $21 / hr (Avg Bid)
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    5 bids
    Blockchain project ($1000) 6 days left
    VERIFIED

    Need a reliable developer for this project.

    $903 (Avg Bid)
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    44 bids

    High level description: We have: 10,000 NFTs with metdata We need (high level): -Someone with experience of launching an NFT on ETH and Opensea, and a good understanding of Web 3.0 and Smart Contract Development. You will have to guide me on some aspects too, on the best way to mint etc. -A NFT Wesbite -A login for NFT holders (maybe metamask) Functions for NFT Holders: - Accept an Agreement after login and enter their name and address (only need to do this once, unless the NFT holder changes), date timestamp must also be stored for acceptance of agreement. - Ability to Submit a Proposal - Ability vote on proprosal - Ability to view table/rankings for proposals - Admin should be able to view and accept proposals amongst other functions Good english speaker required and you will need to ...

    $1356 (Avg Bid)
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    26 bids
    Urgent blockchain website 6 days left
    VERIFIED

    Need an individual who is competent.

    $546 (Avg Bid)
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    33 bids

    Need a competent individual for this project.

    $661 (Avg Bid)
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    52 bids

    I am looking for expert Solidity with over 2 years of professional experience.

    $1345 (Avg Bid)
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    36 bids

    We are looking for a Senior Smart-Contract Engineer to take ownership over the development of the most innovative DeFi yield aggregator. The ideal candidate will have solid smart contract proficiency, strong technical leadership, a keen understanding of financial concepts, and a consistent track record of solving critical engineering problems.

    $863 (Avg Bid)
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    43 bids

    I am looking for someone who is an expert in writing automation or auditing scripts in javascript and smart contracts. Will discuss more with best candidates. Thanks.

    $143 (Avg Bid)
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    8 bids
    Ico smart contract 6 days left
    VERIFIED

    I need an Ico contract that works as escrow for holding and distributing tokens to the proper said people. Must be fore multiple escrows at a time handling different projects,

    $30 - $250
    Sealed
    $30 - $250
    33 bids

    Hi I m looking for a blockchain developer who have strong experiences in smart contract. I m adding chainlink VRF function on my smart contract. If you have experiences in smart contract and chainlink VRF function in past then please proposal I will hire soon if you are the correct person for my project thanks

    $18 / hr (Avg Bid)
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    34 bids
    NFT Smart Contract 6 days left
    VERIFIED

    I need a qualified professional to help write a Smart Contract on ERC. The contract will involve NFT sales initially followed by Staking and a LP. Pls only apply if you can provide past evidence of successful contracts that have been audited by a verifying body. Budget flexible

    $914 (Avg Bid)
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    68 bids

    We need an experienced React and Node developer ideally from Ukraine. technical skills required : real estate NFT Blockchain Metaverse React.js Node.js Map-box maps library TDD, Kubernetes smart contracts BEP-1155

    $8689 (Avg Bid)
    Urgent
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    31 bids

    Need a competent individual to make this.

    $716 (Avg Bid)
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    64 bids

    We need a Spanish dev experienced in Solidity. Only Spanish devs, preferably from Barcelona.

    $2443 (Avg Bid)
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    31 bids
    Safuu Fork 5 days left

    I want to make Safuu fork on binance chain

    $2278 (Avg Bid)
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    15 bids

    I'm searching for a blockchain expert, that knows if it's possible to get L2 Offchain-Transactions through Starkware in the Ethereum Network. And if it's possible, how do i get them in real-time with filtering. Starkware: I'm search for real-time Transactions for the following versions of Starkware: spot Trading V4 spot Trading V3

    $631 (Avg Bid)
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    7 bids

    This project is for 1. creating a new token on the Flow blockchain, and 2. writing a smart contract that allows Flow NFT's minted on our platform to be staked, so the owner can earn these tokens over time Feel free to let me know if you have any questions Looking forward to working together ^^

    $537 (Avg Bid)
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    37 bids

    Looking for expert full stack and smart contract developer to help integrate payment and biconomy (gasless user experience) into current codebase. If successful future full time work would be available if interested.

    $1201 (Avg Bid)
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    39 bids

    Looking for a freelancer experienced with Moralis, Deploying NFT marketplace, ERC1155 and NodeJs. I'm working on a project and need support in building web3 side of things. I've already built the wallet login and front end. Wrote the contract and able to deploy on opensea and rarible.

    $103 / hr (Avg Bid)
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    8 bids

    Smart contract Developer - Solidity, Solana, Rust, Ethereum - Crypto Wallet integration - NFT

    $14 / hr (Avg Bid)
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    13 bids

    Hi devs. My previous developer has an personal issue so I am going to hire other dev who can handle his stuff as a blockchain developer. The details will be provided to the candidate. I need a long term developer. I have too much stuff for my business. Please submit a proposal on this job post seriously!. scammer not accepted!

    $1592 (Avg Bid)
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    56 bids

    List of tasks: 1. Redeploy a new EXCOINCIAL network add the Blockchain to 2. Do some aesthetic frontend and backend work on such as logo change, colour change, content change. Here is a reference site: and you will do exactly what ZYX Scan has on such as display of graph using API, adding validators, multisender, connecting our bridge to explorer, connecting swap, adding testnet, etc. 3. Programming automatic adding of EXCOINCIAL Blockchain to Metamask. Instead of manually adding it. 4. Deploy Decentralised Exchange (like Uniswap) with trading, token sale IDO launchpad, and P2P on Excoincial Blockchain and developing a token bridge from Excoincial to Ethereum, Binance, Polygon, Optimism, & Arbitrum. 5. Create Stablecoins like USDT, USDC, and make it possible for users to de...

    $2918 (Avg Bid)
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    38 bids

    We have a sale contract embedded HTML file that needs to be integrated into a website. We expect the following function to bring into action. Create a page inside our website (probably this page will appear as a reaction to a CTA button) This page will have the following: a) Function to connect user's wallet(Metamask/Trust wallet). b) Receive BNB to our wallet. c) USD > BNB > SLN currency conversion. d) Name and Email Id input box.

    $376 (Avg Bid)
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    9 bids

    We have a sale contract embedded HTML file that needs to be integrated into a website. We expect the following function to bring into action. Create a page inside our website (probably this page will appear as a reaction to a CTA button) This page will have the following: a) Function to connect user's wallet(Metamask/Trust wallet). b) Receive BNB to our wallet. c) USD > BNB > SLN currency conversion. d) Name and Email Id input box.

    $203 (Avg Bid)
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    4 bids
    NFT MINTING Site 3 days left
    VERIFIED

    I have an ongoing nft project that is currently at the minting stage. Therefore, the service of a competent freelancer is needed to setup up a minting site for the project.

    $75 (Avg Bid)
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    21 bids

    Hi looking for an expert that can deploy smart contract on ethereum for our nft marketplace , i ve two contract files with me write NOON at start of bid so i can see its not robotic bid :)

    $172 (Avg Bid)
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    34 bids

    I need a competent individual who will meet my requirements.

    $661 (Avg Bid)
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    76 bids

    Hello. I am looking for the dedicated hardworking individual who can work full time for next several months Skills blockchain technology fast learning new skills full time dedication - 40+ hours per week. Good communication skills - fast response Bonus if know both backend frontend. Share the github profile on your bid with related tech stack on your bid Only individual freelancers, I am tired of hiring team or agency anymore. Thanks

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    39 bids

    I want to buy a Decentralized Swap Bridge from ETH to BSC and vice versa. I want to convert ETH to BNB while bridging and vice versa NOT A NEW Development. Only if you have the software already developed I am interested. You will have to show me a demo and source code. Need this in couple days. Again NOT a new development. Only talk to me if you already have the code. Please note I am a developer, so I know all the tricks in the book. Please dont try them with me.

    $2094 (Avg Bid)
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    23 bids

    I need someone who can build a smart contract for a token and staking NFTs to earn the token

    $2343 (Avg Bid)
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    40 bids

    I need to build a blockchain based finance system that automate stablecoin farming. The vault I would like to build is around Yeti Finance, they have a stablecoin strategy outlined here - Please check and bid on this project if you can do this task asap. Best regards.

    $368 (Avg Bid)
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    7 bids

    Hello! I want a professional who can create me an Nft Staking Website. Note: you must have sample and tell me the full details about how you will create it. Don't apply if you can't stick to my budget and my budget is 600$. It must be complete within 15 to 20 days. THANKS

    $40 / hr (Avg Bid)
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    13 bids

    Hello I'm new to this platform and I want a long term partner to work with. I have a new NFT discord server and I wand to grow the community and make it lively and I will need new members to come on board and someone who can chat on my server as well, kindly let me know if you are available for this. Thanks

    $484 (Avg Bid)
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    32 bids

    I would like a BSC network smart contract and corresponding website that can automatically execute transactions at a set percentage over a set period of time. Smart contract – Please create a staking contract with an automated rewards system that enables multiple users to deposit funds either in BNB to a wallet address which upon receipt of funds start a 14 day timer with 15% per day is available to withdraw for that particular user. E.g user deposits 100 on day 1. Immediately the timer starts and this user is able to withdraw $15 (15%) every 24 hours. After the 14 day period has ended the 15% rewards will cease and the client will have $210. We would like to also see a tiered marketing system implemented which allows users to send the website link on with a referral code to earns...

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    Build A Domain Name Website 3 days left
    VERIFIED

    I need a competent individual who will meet my requirements.

    $633 (Avg Bid)
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    30 bids

    I an economics and maths teacher and I would like a BSC network smart contract and corresponding website that can automatically execute transactions at a set percentage over a set period of time. Smart contract – Please create a staking contract with an automated rewards system that enables multiple users to deposit funds either in BNB to a wallet address which upon receipt of funds start a 14 day timer with 15% per day is available to withdraw for that particular user. E.g user deposits 100 on day 1. Immediately the timer starts and this user is able to withdraw $15 (15%) every 24 hours. After the 14 day period has ended the 15% rewards will cease and the client will have $210. We would like to also see a tiered marketing system implemented which allows users to send the website ...

    $1801 (Avg Bid)
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    74 bids

    support regarding wallet login for the website

    $100 (Avg Bid)
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    8 bids
    Build A Domain Name Provider 2 days left
    VERIFIED

    I need a competent individual to make this website as per my requirements.

    $559 (Avg Bid)
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    32 bids

    Hello, the project is very simple and easy. I don't want much things added to this project as this will be just a sample. I want you to create a Smart Contact on Algo blockchain. Project description: A user passes on data which will be student name, Id and University name. After that students will own a certificate or an asset which will be non transferable to anyone. Please only serious people bid on this project as I need this project by 16th of May. Thanks

    $227 (Avg Bid)
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    8 bids

    Looking for Nft Developer. You will need to work on following points to make our development advanced and unique. Currently I have just GIF(animation available) . - Upload art to IPFS - NFT Minting dApp (minting site with verification, wallet integration and contract integration) - Gas Optimized NFT Upgradable Smart Contract Development Deployment ERC721A . - Contract should have whitelisting, presale, and a giveaway - NFT listed on NFT Marketplaces - Opensea, IMX etc. - Custom Dynamic Admin Panel

    $35 - $100
    Sealed
    $35 - $100
    17 bids

    Need a website redesign for an existing NFT project, including a page to run multiple raffles on the Solana blockchain.

    $569 (Avg Bid)
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    61 bids

    Website and Smart Contract are ready, it just needs integration. Front end of website is in JavaScript and PHP for API calls.

    $57 (Avg Bid)
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    7 bids

    We are looking to implement these things in to our NFT and Coin Metaverse Gaming Project: - Play2Earn - Coin Staking - Token Airdrops - NFT Staking To Earn Token The budget is flexible where it may be needed. For further information please contact us.

    $10464 (Avg Bid)
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    70 bids
    ERC 1145 smart contract 1 day left
    VERIFIED

    Seeking freelancer to guide me in creating an ERC 1145 smart contract for Ethereum NFT project. Seeking step by step instructions so I can learn to do it myself. Milestone 1create ERC 1145 contract (step by step instructions) Milestone 2 add picture and Json / metadata to contract (step by step instructions) Milestone 3 help to successfully upload 2k of NFTs (step by step instructions)

    $162 (Avg Bid)
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    17 bids
    NFT Domains 1 day left

    Make a website that registers names on the Ethereum Blockchain.

    $204 (Avg Bid)
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    10 bids

    These are the requirements for this project: Swap on XRP Ledger -Connect wallet with Xumm app or Ledger device. -Select tokens from XRP Ledger tokens (including DBX Coin). -Peer-to-peer Swap format. -Trade is executed when buy order is matched with sell order. -Trading fee (to exchange) = 0.25% Regarding the Factory and Router, I am not too sure about this. The Swap will be a copy of If you are right dev, please feel free to apply with your previous projects similar to this project. Regards

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    Hello! I would like to discuss my project with an expert blockchain developer. Make sure you have enough knowledge to answer my questions. If I find you worthy, I may hire you for long terms. Happy bidding !

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    Hello all! Our team is quite experienced in the NFT world, and we'd love to begin a project. This is what is required: - SOL Contract Development (will be audited as well) - Presale minting function for early buying access - Staking feature, with SPL token - Make a website with minting feature AND marketplace for SPL token use - IPFS upload - OpenSea, Solanart listing - Launch day help

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