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    116 jobs found, pricing in USD

    I need a blockchain developer who has experience in Ethereum, Deapp, Defi, NFT tokens, and etc. When applying to this job, add your experienced deapp and defi links and write down your roles in them. Thanks

    $33 / hr (Avg Bid)
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    12 bids

    Hello, I'm looking for an experienced solidity developer who can develop smart contracts for NFT game. There will be technical interview to shortlist candidates. Thanks

    $21 / hr (Avg Bid)
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    24 bids
    Solidity and Smart Contract 6 days left
    VERIFIED

    Our company is looking for professional blockchain developer who has rich experience in smart contracts(5+ years), solidity, solana and rust Selected developer will work on smart contract field with our team.

    $20 / hr (Avg Bid)
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    15 bids

    Create Solana Smart Contract for NFT Collection - Create smart contract - Integrate button on our NFT landing page website linking to Phantom - Create the minting randomising We need somebody who can start immediately on this. We have the artwork ready to go.

    $1045 (Avg Bid)
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    12 bids
    Dapp DeFi on BSC 6 days left
    VERIFIED

    Hello, We already have our Token smart contract on binance smart chain, we need Dapp's for selling our token before presale, or any public listing. We want to target non-crypto user, can also buy our token directly form our Dapp, via local currency. Can this is possible? Best Regards

    $430 (Avg Bid)
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    5 bids

    Hello, We are based in Bhopal and listed in top 3% freelancer community, looking for an individual or a dedicated company that works on blockchain technology, preferred locations are Bhopal and Indore, though not limited. From past 5 years we have been working as Outsourcing company, planning to shift to Web 3 and blockchain associated project as freelancer contacted to there top most PF to be p...

    $1966 (Avg Bid)
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    4 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Network Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there is a request in the script that is being block by CORS causing a "Network error" The website where the files are hosted is [login to view URL]

    $20 / hr (Avg Bid)
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    8 bids

    1. Develop a nft marketplace like opensea. 2. Add metamask browser api. 3. Smart contract api query. 4. Add the back-end api we provide. ※ 100% done with it's design.

    $5193 (Avg Bid)
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    16 bids
    Build me a Dapp 6 days left

    I want to create a Dapp on Etherium using IPFS and Filecoin. I want an estimation of what this basic Dapp may cost.

    $550 (Avg Bid)
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    10 bids

    Looking for a developer who is able to code NFTS and make the website for the NFT drop, negotiable. Offer me your prices.

    $1316 (Avg Bid)
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    33 bids

    Hello I need experienced solidity developer to fix errors while deploying contracts into Binance Testnet deployment We need to deploy testnet first and make everything works and then connect api and marketplace Source code [login to view URL] Error we got while deploying to testnet is Fail with error 'Ownable: caller is not the owner'

    $588 (Avg Bid)
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    19 bids

    Hello, I'm looking for an experienced solidity developer who can develop smart contracts for NFT game. There will be technical interview to shortlist candidates. Thanks

    $22 / hr (Avg Bid)
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    19 bids

    looking for a Solidity developer to write and launch a relatively simple ERC-20 smart contract. The work will be writing the contract and seeing through to launch. The token will have automated burn and monthly distribution elements based on relative purchase and contribution to specified wallets. Compensation will be negotiated between fiat, stake in the project, or both. Deliverables Fully ex...

    $673 (Avg Bid)
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    23 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Network Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there a request in the script that is being block by CORS making the script print "Network error"

    $181 (Avg Bid)
    $181 Avg Bid
    7 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there a request in the script that is being block by CORS making that section not work.

    $133 (Avg Bid)
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    7 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there a request in the script that is being block by CORS making that section not work.

    $15 (Avg Bid)
    $15 Avg Bid
    2 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there a request in the script that is being block by CORS making that section not work.

    $22 / hr (Avg Bid)
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    14 bids

    Video [login to view URL] Repository [login to view URL] Main Site [login to view URL] Youtube [login to view URL] Discord [login to view URL] Smart Contract - should be able to lookup their contract for the haslips and get from there 0x42ED4D26a0f3d1BcB88efFc13a51ed0E9Cbd4E45 Project Outline 1. Will need to use their code: haslips_art_engine copy and use my images as the new layers and tab...

    $1398 (Avg Bid)
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    19 bids

    Hello, I need a backend developer with deep experience in NFT development to create a pilot to simulate an essential marketplace. The pilot will run on a sandbox: we are exploring Ethereum L2 protocols in order to save gas. Basic requirements: - NFTs/Collection creation from metadata - Users can purchase NFTs using credit cards (or a stablecoin like USDC) - Search and display functionalities B. T...

    $36 / hr (Avg Bid)
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    37 bids
    Blockchain Smart Contract 5 days left
    VERIFIED

    i want to develop a smart contact as bellow connect to metamask ,trust wallet and binance chain wallet get token balance approve spend transfer money from the user to my address get transaction id in solidity --> save each user transfer amount

    $203 (Avg Bid)
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    11 bids

    Request details Looking for someone who has rich experience in smart contract development as well frontend for dapp. It's neccessary to have knowledge about ethereum token standard such as ERC721, ERC20, ERC 1151, etc in-depth. Let me share more detail on chat.

    $237 (Avg Bid)
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    12 bids

    -RWA loan able nft . -India rupee on blockchain -defi for Indian market .

    $2927 (Avg Bid)
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    1 bids

    Нужно разработать NFT магазин на базе [login to view URL] [login to view URL] [login to view URL] Или можете предложить иную базу для проекта. Вся деятельность по задаче будет оплачена. Начнем с ресерча, напишем совсместно с вами и архитектором проекта тз и начнем работы. Работаем по таймтрекеру, Hubstaff. В отклике укажите: 1. Юзернейм в telegram 2. Часовой пояс 3. Рейт (желаемая ставка в час...

    $20 / hr (Avg Bid)
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    IMPORTANT - PLESE READ - I don't need you deploy me a token I need somebody who can tell/explain me, what value to input on constructor argument "cInitializer" when deploying my own code (see attachments) - How to pre-deploy the Cashier - How to set "SetToken" Contract Code: [login to view URL]

    $30 (Avg Bid)
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    Hi, I am looking for someone who can fork Pancakeswap. Here are the detailed requirements. Please go through these carefully: 1. PancakeSwap Fork with our UI Customization 2. We need the following features: Swap, Liquidity Pool, Farming, NFT Marketplace, IDO 3. We have a pre-minted deflationary token, we want to create a new MINTABLE token for the DEX to be used as Native token 4. Our website is ...

    $1707 (Avg Bid)
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    Hello, i am looking for blockchain developer with good experience for long term work

    $521 (Avg Bid)
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    16 bids

    NFT marketplace on Binance Smart Chain I am looking for the developer can build the NFT marketplace on Solana or Binance Smart Chain blockchain. Will allow users to add one NFT or entire collections. Interface similar to Opensea and Niftygateway. We will decide which blockchain we finally use when we select the freelancer. We are still gathering info. Requirements : - You must have built at ...

    $10227 (Avg Bid)
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    22 bids

    Kadena blockchain nft collection Marketplace Minting It requires pact programming language experience

    $4738 (Avg Bid)
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    11 bids
    Smart Contract Expert 5 days left
    VERIFIED

    Our company is looking for professional blockchain developer who has rich experience in smart contracts(5+ years), solidity, solana and rust Selected developer will work on smart contract field with our team.

    $2176 (Avg Bid)
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    29 bids
    Web3 dApp -- 2 5 days left
    VERIFIED

    We are a California Company, 23+ years bringing ideas to life. We are in the production stage of a Dapp and different Blockchain ecosystem tools and NFT games. We are looking for a developer specialized in Web3 development working with Solidity, Infura, Moralis… time is quite sensitive. We need to create a bridge or a function from a chain and in a deep layer from a mining contract to a DE...

    $200 (Avg Bid)
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    We are looking for an experienced developer to essentially replicate an existing NFT project that provides for staking mechanic, token mechanic and fictionalizing of DAO assets. You will not be required to rebuild from scratch just copy the contract and make sure it will work. We will have an artist provide the art, we will provide the website where users can mint the NFT collection. For ...

    $40 / hr (Avg Bid)
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    Hello! We're developing a new NFT game and we're looking for an experienced solidity expert to join our team. The first phase of development would take place in the next 3 months. Required Skills: - Experience in NFT GAME Development - Solidity & Smart Contract - Be available to work during the US working hours Please let me know if this is something that you're interested i...

    $25 / hr (Avg Bid)
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    Smart Contract 4 days left
    VERIFIED

    I would like to use [login to view URL] to create a small smart contract using solidity programming language. This should be similar to a market shop.

    $195 (Avg Bid)
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    18 bids

    Fix Delegate Section of web3 app that interacts with a Songbird Smart contract where users can delegate to price oracles using the wrapped songbird tokens also need someone to maintain/build the price algorithm.

    $38 / hr (Avg Bid)
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    11 bids

    Looking for Ethereum/Solidity developer to configure BlockScout block explorer on the Songbird Network by following the documentation on BlockScout. BlockScout is a blockchain explorer used by many EVM compatible blockchains. [login to view URL]

    $737 (Avg Bid)
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    Looking for Ethereum/Solidity developer to configure BlockScout block explorer on the Songbird Network by following the documentation on BlockScout. BlockScout is a blockchain explorer used by many EVM compatible blockchains. [login to view URL]

    $172 (Avg Bid)
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    4 bids

    Hello there Am here in need of a professional blockchain developer that can handle solana nft game and marketplace together. If you are really good at this point Kindly drop your portfolio

    $860 (Avg Bid)
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    7 bids
    Web 3.0 analytics tool 4 days left
    VERIFIED

    I am looking for someone who is working on solidity and other web 3.0 blockchain technology. I am looking for someone to create a competitor to the Nanson analytics tool. [login to view URL] Send me your proposal and lets talk. thanks

    $16 / hr (Avg Bid)
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    Good day, we have a working trading application and will like to integrate it or build a new application for an online website we are making. We already have server and website running. We are looking for someone who already have built snipping application and know how to integrate with online website. -Applicant must have experience in Solidity, Nodejs, etc. Will be required to show proof of pa...

    $2547 (Avg Bid)
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    22 bids

    Hi , I want someone to build me a Crypto Token on BSC. More details on DM

    $132 (Avg Bid)
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    5 bids
    Auditing Dapp -- 2 4 days left
    VERIFIED

    Im looking for a dapp which has several functionalities such as smart contract scanner with Metamask payment option, projects listing based on audit score, community voting for audited projects and community be able to donate for projects audits. I have several similar projects i want to merge in one place. Design has to be really good and user friendly. If you need more information please feel fr...

    $1440 (Avg Bid)
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    8 bids
    Auditing Dapp 4 days left
    VERIFIED

    Hey there, im looking to have someone build an auditing Dapp for my project. I want to have a rug scanner on the platform, i have several options i can show you and it would be great if you join all those options in one place to have the best smart contract scanner with results. Furthermore, the scanner has to work with Metamask integration where users are able to pay through Metamask for the scan...

    $1415 (Avg Bid)
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    Were looking for solidity developer that has experience with solidity, we already have the contract but we want it to be optimized and be able to deploy in polygon, were currently having issue deploying in polygon so we need help. Were using upgradable contract by openzepellin

    $121 (Avg Bid)
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    5 bids
    Game NFT MMORPG 4 days left

    Necesito de un equipo de trabajo para terminar un proyecto Blockchain, el cual ya tiene avances pero se debe de Integrar los smart contract al juego, necesito de varias personas que estén dispuestas a sumarse al proyecto, requiero de diseñadores, programadores, seguridad digital y de block chain, community manager, lenguajes c++, phyton, react, php, Solidity, lenguajes complementario...

    $37 / hr (Avg Bid)
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    17 bids
    Smart bot 4 days left

    This project involves the use of arbitrage opportunities combined with flash loans to create a cryptocurrency trading bot.

    $1257 (Avg Bid)
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    I need a professiona Blockchain developer, that can get me Ten million stable coins pegged to the dollar, minted and sent to my metamask account. Also with a burn option so when they are transferred. their gone.

    $10000 - $20000
    $10000 - $20000
    0 bids

    nft market place and smart contract on tron network. more details will be shared when we connect.

    $17 - $33 / hr
    $17 - $33 / hr
    0 bids
    Crypto Development Project 3 days left
    VERIFIED

    Hey everyone, My team and I have a very large development project in the crypto space and we're looking for a skilled team/freelancer that can assist. Please only apply if you are a legitimate crypto expert with many years of experience and can demonstrate proof of previous work. Thanks, Adeyemi

    $2900 (Avg Bid)
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    5 bids
    Fork Yooshi/Jojo Swap 3 days left
    VERIFIED

    The fork needs to have 1) need to have a Farm 2) need to have Blind Box NFT 3) need to have a NFT market place 4) NFT Staking Please also share your work you have done

    $16 / hr (Avg Bid)
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    8 bids
    BSC token with functions 3 days left
    VERIFIED

    The token need to have an supply of 150 million. Tax 3% holders 4% lp 3% transaction/matketing fee

    $217 (Avg Bid)
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    18 bids