Blockchain Jobs

Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

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    230 jobs found, pricing in USD

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

    $30 - $250
    $30 - $250
    0 bids

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

    $100 (Avg Bid)
    $100 Avg Bid
    1 bids

    Hello, We are looking for someone who can create and design a beautiful Minting Website for our NFT Project We need someone who is experience and already has some sort of template ready to deploy. We do not want to take weeks doing this, but rather have it ready in 24-48 hours. If you can do this, show us your portfolio and lets do this.

    $730 (Avg Bid)
    $730 Avg Bid
    19 bids

    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.

    $734 (Avg Bid)
    $734 Avg Bid
    21 bids

    I have a new exchanger crypto to crypto website and I want a sales manager in order to find and attract customers to exchange cryptos through our website

    $3 / hr (Avg Bid)
    $3 / hr Avg Bid
    3 bids

    I have a new crypto exchange website and I want to start generate clients in order to turn them on sales

    $8 / hr (Avg Bid)
    $8 / hr Avg Bid
    5 bids

    Project is to create an NFT drop event with 10,000 NFT's that will be on either opensea, solana, or polymatic market places. Must be connect wallet for purchases of NFTs and create the page with pictures and road map. I will provide 10,000 nfts and will provide details on page art and roadmap. Also if you have knowledge on being able to airdrop crypto to the owners of the NFT's that wou...

    $542 (Avg Bid)
    $542 Avg Bid
    5 bids
    Smart Contract 6 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)
    $195 Avg Bid
    16 bids

    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...

    $14166 (Avg Bid)
    $14166 Avg Bid
    6 bids

    A mobile App based document storage in Blockchain. I also need a website landing page for the App for Apple, Android and windows. I need an experienced blockchain developer and will need to review prior portfolio.

    $374 (Avg Bid)
    $374 Avg Bid
    9 bids

    The Supply is limited to 1,000 NFts and each draw is made manually not like generative collections. The rarity is defined thanks to the difficulty of the draw, the time spent and their storyboard. If I should add them manually I need a panel to be able to add the attributes, the storyboard, the name and the factions. something like: [login to view URL] Advanced filters are needed to have a bette...

    $470 (Avg Bid)
    $470 Avg Bid
    16 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]

    $666 (Avg Bid)
    $666 Avg Bid
    3 bids

    I want to make a token, would anyone like to do this work, he would like to .I have to get these things done . 1-Token Creation 2-Landing Page 3-Panchkalwap Listing 4-White Paper 5-Airdrop 6-Cayenne Gecko Listing 7 -website Devloped Note :-People who can't work in the amount given by me, please don't bid

    $333 (Avg Bid)
    $333 Avg Bid
    2 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]

    $170 (Avg Bid)
    $170 Avg Bid
    2 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

    $678 (Avg Bid)
    $678 Avg Bid
    5 bids
    Web 3.0 analytics tool 6 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

    $15 / hr (Avg Bid)
    $15 / hr Avg Bid
    4 bids
    Mining pool site 6 days left

    Miningcore mining pool + coin add [login to view URL] I will provide the server ergo, cortex, callisto coin added possible?

    $407 (Avg Bid)
    $407 Avg Bid
    7 bids

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

    $132 (Avg Bid)
    $132 Avg Bid
    5 bids

    An upcoming NFT project launching on Solana is looking for a Solana developer to create the mint function, conduct testing, create the smart contract We need a developer for the Solana blockchain that we can trust and work with to create up to 7,777 NFTs from 100 - 150 images. Need to program on solana network to allow each NFT to randomly generate when minted. Requirements: -Experience with ...

    $1478 (Avg Bid)
    $1478 Avg Bid
    10 bids

    I'm looking for someone who has experience in developing cryptocurrency trading strategy python script with Binance API, Please message me for more details.

    $598 (Avg Bid)
    $598 Avg Bid
    16 bids

    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

    $26 (Avg Bid)
    $26 Avg Bid
    4 bids
    NFT Generation 6 days left

    Hey, we need some NFTs Generated around 6000. Artwork is already done in layers. Must have experience in NFT Generation. And must be able to generate them with the correct Meta Data for listing on Open Sea. Drop us a line if you have the skills to do this well.

    $77 / hr (Avg Bid)
    $77 / hr Avg Bid
    13 bids

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    Sealed NDA

    I need a Golang expert to convert a NodeJS Frontrun script into Golang. The script is in Github: [login to view URL] Note: 1) Forget about [login to view URL] and bot.js. I do not need it. 2) Basically I only need 3 files: a) env file b) constants file c) frontrun script - ignore the setFrontBot function 3) In frontrun script, enhance the script to frontrun all tokens instead of just one token....

    $179 (Avg Bid)
    $179 Avg Bid
    7 bids

    I want to find talented guy who has good skill with Cryptocurrenty. I am gonna make crypto defi project for farming, Staking, Trading and so on. I want to build like this: [login to view URL]

    $2584 (Avg Bid)
    $2584 Avg Bid
    14 bids

    Develop an application for ONOS SDN controller which can talk with Hyperledher Fabric Blockchain. Must have knowledge of northbound/southbound API, restful, familiar with devices networking (snmp, openflow, netconf,bgp-ls, AS , Blockchain, Chaincode development etc).

    $104 (Avg Bid)
    $104 Avg Bid
    1 bids

    I looking for someone who can help me learn developing cryptocurrency base on solana blockchain. If you are a solana expert, I'll hire my company. I need solana expert.

    $983 (Avg Bid)
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    3 bids

    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 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

    We are looking for trained people to develop web based NFT game, This is a high skill high complexity project. Must have a proven history of delivering successful games. High skill in mass multiplayer implementation a must. 3D characters multiplayer NFTs integration Token deployment If you have read this, put at the beginning of your message "WA - Game".

    $4968 (Avg Bid)
    $4968 Avg Bid
    5 bids

    i have my cryptocurrency coin on some of the platforms but i need to increase the value of it and i have a lot of projects related to it but i don't know how i can increase it

    $500 (Avg Bid)
    $500 Avg Bid
    1 bids

    Looking for a smart contract developer familiar with NFTs and ERC 721. Long-term project for the right person. You'll help write a smart contract, deploy, and update the project. Scope: create a smart contract for 10,000 NFT tokens. Art for each token will be provided. Looking for someone who can knock this out ASAP so we can move forward with the project ASAP. Aplly with ETHERSCAN links ...

    $5000 (Avg Bid)
    $5000 Avg Bid
    2 bids
    Crypto Development Project 5 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

    $2833 (Avg Bid)
    $2833 Avg Bid
    3 bids
    Build me a token -- 2 5 days left
    VERIFIED

    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 Avg Bid
    8 bids

    I am looking for a developer that's well versed in php, laravel php, css, html, javascript, smart contracts and the solana blockchain. I need a crypto wallet, nft marketplace and other enhancements implemented on my website.

    $2369 (Avg Bid)
    $2369 Avg Bid
    33 bids

    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.

    $777 (Avg Bid)
    $777 Avg Bid
    16 bids
    Create NFTS. 5 days left
    VERIFIED

    5% of the emissions can be routed to an NFT contract. There needs to be some system for giving those to NFT owners. That’s and NFT contract where you can buy and sell those NFTs which are receiving the x amount. The NFT would allow a user to “harvest” the rewards just like a farm. We have graphics and web sorted. Just need the contracts. We only need to mint 5 or what you think i...

    $15 - $25 / hr
    Sealed
    $15 - $25 / hr
    13 bids

    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...

    $2194 (Avg Bid)
    $2194 Avg Bid
    17 bids
    Cryptocurrency 5 days left

    I want to make audit for my token contract adress on certik

    $190 (Avg Bid)
    $190 Avg Bid
    10 bids
    Smart contract Expert 5 days left
    VERIFIED

    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)
    $650 Avg Bid
    23 bids
    BSC token with functions 5 days left
    VERIFIED

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

    $214 (Avg Bid)
    $214 Avg Bid
    18 bids

    we are hiring for the development of our website for crypto trading platform, where our client can register himself and trade in crypto, we also need to register our coin for trading.

    $333 (Avg Bid)
    $333 Avg Bid
    8 bids

    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.

    $216 (Avg Bid)
    $216 Avg Bid
    3 bids

    Hello Everybody Im here looking for developers to build a fork of Pancake Swap / GooseDefi / Safemoon./ [login to view URL] Thank you !! P.S. Желательно знание русского.

    $1102 (Avg Bid)
    $1102 Avg Bid
    11 bids

    I need someone who can build the backend for a trading strategy i have. Project is split into 3 parts. 1. Data retrieval from various APIs 2. Processing of the data and then building the system that works out of the trade profitable and creates the logic for placing/cancelling orders. 3. Sending the orders to the APIs and monitoring the positions opened Part 2 is the bulk of the work to be done...

    $1125 (Avg Bid)
    $1125 Avg Bid
    27 bids

    We need a team of experts regarding Blockchain services towards building a wallet + exchange (like Luno) that will become a CBDC interoperable exchange with fiat currency and cryptocurrency. The team will be required to join the African Royal Bank towards all their Blockchain needs and a contract of up to 5 years will be available for team members

    $38987 (Avg Bid)
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    8 bids

    You can reach the project whitepaper from the link below and you can bid. [login to view URL]

    $3054 (Avg Bid)
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    11 bids

    ONLY FREELANCERS CAN BID. NO AGENCIES AND STRICTLY NO PROJECT MANAGERS. PLEASE BID WHAT YOU WANT. DON'T ASK WHAT IS MY BUDGET, YOU WILL BE REJECTED IMMEDIATELY! PLEASE READ JOB POST BEFORE BIDDING. Please see the attached image. This is my company tiktok: [login to view URL]@dslsingapore I want someone very presentable to do LIVE Videos for us every day for 2 weeks. 1 hour per day. Must ...

    $18 / hr (Avg Bid)
    $18 / hr Avg Bid
    3 bids
    create a new blockchain 5 days left
    VERIFIED

    I want to create my own coin, and during any type of transactions, it will deduct 0 fee. So to do that, I need to have my own blockchain, not using other chain like btc, erc, tron, bsc or etc. Please tell me show me the prove that you can do it, so that we do not waste each other time. Proves like previous experience in create a new blockchain, ways to create a new blockchain, or etc.

    $14026 (Avg Bid)
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    15 bids

    Hello, i am looking for blockchain developer with good experience for long term work

    $1200 (Avg Bid)
    $1200 Avg Bid
    8 bids

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