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    94 trabalhos encontrados, preços em USD

    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...

    $20 / hr (Avg Bid)
    $20 / hr Média
    4 ofertas

    I have some issues in my token-swapping website. I am looking for a candidate who is able to handle these issues.

    $172 (Avg Bid)
    $172 Média
    31 ofertas

    We have a new crytpo coin that we would like to promote on an exchange

    $95 (Avg Bid)
    $95 Média
    7 ofertas

    Hey, Need someone to integrate metamask to my website and do the Mint feature and smart contract. Feel free to apply! Can be ongoing project for the guy with the right skills.

    $724 (Avg Bid)
    $724 Média
    26 ofertas

    Hello! I want to combine mining + frontrunning on uniswap, using MEV-type value extractions. I'm looking for a high end developer to help me with this project. So just to clarify what I mean with the mining + frontrunning combo. I will post some info from a site: "A new revenue replacement is quickly becoming available for mining networks, called miner extracted value (MEV). It is com...

    $14142 (Avg Bid)
    $14142 Média
    7 ofertas

    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.

    $37 / hr (Avg Bid)
    $37 / hr Média
    10 ofertas

    Can you implement an Ethereum&Forks crypto exchange wallet feature in my Quora type web application in Laravel for $200? So full support for Metamask compatible chains such as ethereum, binance smart chain, polygon/matic, and pulsechain.

    $166 (Avg Bid)
    $166 Média
    8 ofertas
    Fix Delegate Section of web3 app 6 dias left
    VERIFICADO

    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.

    $20 / hr (Avg Bid)
    $20 / hr Média
    9 ofertas

    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. [fazer login para ver a URL]

    $580 (Avg Bid)
    $580 Média
    5 ofertas
    EK Technologies 6 dias left

    Quiero hacer una cryptomoneda desde cero. Requeriria una blockchain desde cero o bien desde ethereum. Una app que funcione como wallet y como marketplace y que tenga otras especificaciones que detallare mas adelante.

    $515 (Avg Bid)
    $515 Média
    7 ofertas

    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. [fazer login para ver a URL]

    $146 (Avg Bid)
    $146 Média
    3 ofertas

    Can you implement an Ethereum&Forks crypto exchange wallet feature in my Quora type web application in Laravel for $200? So full support for Metamask compatible chains such as ethereum, binance smart chain, polygon /matic, and pulsechain.

    $150 (Avg Bid)
    $150 Média
    5 ofertas

    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 ofertas

    i need 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. Or something like that. They are being used to fund other projects. can you help me out?

    $5000 - $10000
    $5000 - $10000
    0 ofertas
    Crypto Development Project 5 dias left
    VERIFICADO

    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

    $2833 (Avg Bid)
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    3 ofertas
    Build me a token -- 2 5 dias left
    VERIFICADO

    Need a token for the online store, the more functionality the better but mainly used for online transactions and purchases , used as bonus and rewards. Suggest me a token amount that is technologically comfortable to work with. Thanks

    $637 (Avg Bid)
    $637 Média
    8 ofertas

    In need of several mods for a cryptocurrency project. These people must speak good English and have vast knowledge of cryptocurrency and the defi space. Will be for pay. I need all time zones covered so 3-5 mods needed. The pay rate I posted is not set in stone since it can be negotiated. You can get paid weekly in a set USD amount Or hourly this can be discussed. Ongoing work if you’re goo...

    $496 (Avg Bid)
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    6 ofertas

    Hi Im looking for someone who can make a contract on Solana or ETH / BSC blockchain with below functionality: - User goes to website on which he can put text in text box and deploy/save this to blockchain / Arweave with funds from metamask or solana wallet.

    $768 (Avg Bid)
    $768 Média
    17 ofertas

    Hello, I need a software created that will monitor the blockchain pending transactions on the Ethereum blockchain for a list of of events (transfers, swaps of coins, etc.) on specific wallets (that belong to me, and my company) that I would input into it's database. This software should be able to be controlled via telegram, it should have a user whitelist for admin commands. The admin sho...

    $2183 (Avg Bid)
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    18 ofertas
    Smart contract Expert 5 dias left
    VERIFICADO

    I am seeking for very highly skilled smart contract dev since 5 developers have worked on this site and all of them have failed. Before starting work, you are going to be given smart contract and frontend page(it runs on vue.js). The front end website is not configured properly with the smart contracts. This is a typical Defi yield farm. Okay, For the very first part, we need the website to comm...

    $650 (Avg Bid)
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    23 ofertas

    Write a smart contract containing a Flashloan from DxDy, and then make a swap on a vault on Curve Finance followed by a deposit on Harvest Finance. Also, I will need help to run it all successfully.

    $198 (Avg Bid)
    $198 Média
    5 ofertas

    1. Build a simple betting contract that rewards correct guesses of outcomes. Has a readme file that spells out all requirements. 2. Build a simple wallet contract in Solidity that stores the owner's funds. Has a readme file that spells out all requirements.

    $186 (Avg Bid)
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    12 ofertas

    My NFT project will be launching soon and I am looking for a person or agency to do marketing and community outreach. Marketing will be mostly on Twitter & discord. we also need to do influencer outreach on youtube, twitter and instagram. Please reply with your previous experience doing similar work. Thank you.

    $12 / hr (Avg Bid)
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    14 ofertas

    i am buying a READY-MADE cryptocurrency - 24h MAX! TERMS: 1. ONLY IF YOU ALREADY HAVE A COMPLETE, WORKING, TESTED CRYPTOCURRENCY 2. complete solution 3. entire ecosystem including everything you have related to crypto like coinbase-site etc

    $198 / hr (Avg Bid)
    $198 / hr Média
    10 ofertas

    Hello, We are looking for development of decentralized staking platform for BSC token. This is an urgent work so please bid only if you have developed it in the past so that you can immediately start our token staking by forking your old work with our new token. Please do not bid if you are busy with other things. This needs to be completed within a day or 2 maximum.

    $3440 (Avg Bid)
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    5 ofertas
    blockchain 4 dias left

    I am working on software development of an app

    $20 / hr (Avg Bid)
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    11 ofertas
    Solidity Developer 4 dias left
    VERIFICADO

    Solidity developer role We have some interesting work in the field of solidity and web3. If you are an expert in web3 and solidity this role would be a good fit. System - Solidity 0.8.0 Minting coins, transferring coins, getting balances - all in contracts Using javascript api console for web3 Running nodejs to test the contract Ubuntu 20.04 You will need good skills in the following - Co...

    $36 / hr (Avg Bid)
    $36 / hr Média
    35 ofertas
    BEP-20 Smart Contract BlockChain 4 dias left
    VERIFICADO

    We are in need of BEP-20 Smart Contract. The Smart Contract BEP-20, Binance must be developed with Solidity. You will work with our in-house developer who is busy currently with other tasks, so we need assistance from you. You must also comment and document all works. Be aware, it must be a very secure BEP-20. Secure Blockchain smartcontract. INCLUDING FEATURES: Smart Contract - with loyalty (...

    $445 (Avg Bid)
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    24 ofertas

    we are creating an NFT project in Solana, for this project we need a developer who can make the minting site using Metaplex & candy machine. we need a developer who can work with us until the project ends which is a max of 2 months.

    $84 (Avg Bid)
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    3 ofertas

    We need to develop a cryptocurrency and a website also that goes along with it. ERC 20 Token. We need it deployed and created 100% and with a website. The ability to purchase coins easily from the site is imperative.

    $9696 (Avg Bid)
    Destacado
    $9696 Média
    28 ofertas

    I need a cryptocurrency content writer for TikTok/YouTube videos. I am looking for 500 words per week. This will be a long term gig that will occur weekly. Requirement: Must be familiar with cryptocurrency. Must be able to reach cryptocurrency charts. Must be able to assess and make adequate projections about Bitcoin & Ethereum.

    $20 (Avg Bid)
    $20 Média
    26 ofertas

    Need blockchain developer to work on DFINITY Internet Computer for NFT collection

    $45 / hr (Avg Bid)
    $45 / hr Média
    24 ofertas

    Hi I own [fazer login para ver a URL] Please create my cryptocurrency in exactly 24 hours, by COPYING your best cryptocurrency THAT YOUR ALREADY DEVELOPED to my new MessiahCoin - 24 h max TERMS: - YOU CANNOT DEVELOP ANYTHING NEW - EVERYTHING MUST BE READY AND TESTED - YOU MUST PROVE THE COIN WORKS IN THE MARKET TODAY

    $189 / hr (Avg Bid)
    $189 / hr Média
    6 ofertas

    We are looking for someone who would be able to write a smart contract capable of minting NFTs on behalf of artists using only their public key.

    $535 (Avg Bid)
    $535 Média
    7 ofertas

    Hello I need to mplement power perpetuals as solidity code You can use this paper as guideline [fazer login para ver a URL] Thank you

    $725 (Avg Bid)
    $725 Média
    29 ofertas

    For someone who can help me with an experiment that we are doing. We have a gitclone of the open-source project Decentraland, which is working on Ethereum. We now want to set it to Binance Smartchain Testnet. If you have experience in this, please shoot me a message with a sample. Start your bid with the words "Decentraland BSC" so that I know that you have actually read it. All offers t...

    $229 (Avg Bid)
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    18 ofertas
    Flare network Expert 3 dias left
    VERIFICADO

    I am a Product Manager. I am looking for blockchain expert who has rich experience in Flare Network. This is only for test. There will be many other big projects. I hope the best expert will be chosen. The sample code is here: [fazer login para ver a URL] Complete implementation of this code, and how to run it is available here: [fazer login para ver a URL]@flarenetwork/ftso_price_provider_kick_of...

    $42 / hr (Avg Bid)
    $42 / hr Média
    12 ofertas

    Need to create a website to display the details of this tool [fazer login para ver a URL] It should be divided into different sections as per the site [fazer login para ver a URL] [fazer login para ver a URL] have a github, you have to use that API to get the data. Before talking to me check the github and familiarize with the code. [fazer login para ver a URL] I will give you HTML UI. I wil...

    $1213 (Avg Bid)
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    22 ofertas

    I'm looking for an experienced solidity, web3 and react developer who can work on NFT projects. I'll share the details with the shortlisted candiddates.

    $662 (Avg Bid)
    $662 Média
    49 ofertas
    Trophy icon Smart Contracts - ETH 6 dias left

    A FinTech is seeking a developer with Blockchain-crypto experience. - It's important that you have experience in developing tokens on the Ethereum blockchain.

    $500 (Avg Bid)
    Garantido
    $500
    2 inscrições

    Blockchain experienced GoLang developer required (goDock) 2+ years experience

    $15 / hr (Avg Bid)
    $15 / hr Média
    4 ofertas

    We are looking for a blockchain developer for launching upcoming NFT project to create the mint function, smart contract, We are looking for a solidity dev for our Ethereum based NFT project. We are hoping to mint by the end of December. We are offering $10,000+ and possible percentage of the profits depending on how involved the developer wants to be after the initial build. The main things we ar...

    $1860 (Avg Bid)
    $1860 Média
    53 ofertas

    The app is built on ethereum blockchain. Need one to improve it's UI and frontend part.

    $583 (Avg Bid)
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    15 ofertas
    Create DAO for NFT Project 3 dias left
    VERIFICADO

    Hello, We are looking for someone who has experience with creating a DAO for an NFT Project. The developer we choose must have knowledge on DAOs so we can choose the correct one depending on the needs and should be able to set it up quick. We manage around 30 different projects, so if you can do this, there will be plenty of work. Only bid if you know what a DAO and an NFT is....and you know h...

    $587 (Avg Bid)
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    15 ofertas
    Pancakeswap UI fork 2 dias left
    VERIFICADO

    I need someone who have experience for pancakeswap UI fork first i need only exchange and farming UI fork Thanks

    $550 (Avg Bid)
    $550 Média
    17 ofertas

    We want to create our own crypto currency exactly similar to dogecoin. anyone who has experience in blockchain technology can apply for this project

    $677 (Avg Bid)
    $677 Média
    8 ofertas
    create crypto coin like dogecoin 2 dias left
    VERIFICADO

    We want to create our own crypto currency exactly similar to dogecoin. anyone who has experience in blockchain technology can apply for this project

    $904 (Avg Bid)
    $904 Média
    11 ofertas

    Hi, I need a smart contract for BSC to release our stable coin. The following features are required: 1. People should be able to send some predefined stable coins (USDT, USDC) 2. On sending USDT or USDC, mint nUSD (our stable coin) and send to user wallets 3. Option to set fixed yield in contract 4. Contract should be updated weekly to mint new nUSD coins as per the fixed yield and the newly mint...

    $290 (Avg Bid)
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    2 ofertas
    Crypto building 2 dias left
    VERIFICADO

    Building crypto currency from scratch

    $9900 (Avg Bid)
    $9900 Média
    23 ofertas
    ETH Token Development 2 dias left
    VERIFICADO

    The project is aimed at creating new ETH Token with the following deliverables : 1- Token Development which include , the Deploy a new smart contract and it details including supply, enabling sending it, details, token transfer event, coin release. 2-Developing the white paper for the coin

    $841 (Avg Bid)
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    18 ofertas

    Artigos da Comunidade dos Principais Ethereum