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.

Hire Blockchain Developers

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    196 jobs found, pricing in USD

    I have a written business plan of a blockchain project about DeFi. It's about 2500 words. Please apply if you have some knowledge of DeFi and you're an English native writer. Thank you

    $70 (Avg Bid)
    $70 Avg Bid
    16 bids

    Looking for a Blockchain Developer to support the current development of E-Commerce Platform. The Blockchain Developer will work with the existing E-Commerce Team to introduce blockchain concepts (setup, smart contracts, API integration, tokenization etc.) to support secure and seamless transaction Qualifications: - Experience writing smart contracts - Simplifying complex ideas to create MVP (...

    $545 (Avg Bid)
    $545 Avg Bid
    9 bids
    Blockchain Guru 6 days left

    I'd like to discuss more via chat

    $1258 (Avg Bid)
    $1258 Avg Bid
    9 bids

    ESG Data Service designed for a Distribuite Application Network

    $34 / hr (Avg Bid)
    $34 / hr Avg Bid
    8 bids

    I am looking for some React and BlockChain developers for my new compony. It will be salaried monthly or every 2 weeks. Experience: 6-10 years Work Type: Full time Salary: Based on Skill (Budget is from 8000 USD to 16000 per month) IMPORTANT: The developer should be familiar with React & Blockchain both. Terms: - There will be a virtual interview process on a portal. It will have a test as...

    $53 / hr (Avg Bid)
    $53 / hr Avg Bid
    9 bids

    I am looking for a Dapp expert, he should know Solidity, WEb3, and Ipfs very well. Thanks

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    8 bids

    Looking for a Custodial Wallet with exchange like CoinBase. Frontend is already done on React. Need someone to do the backend.

    $3807 (Avg Bid)
    $3807 Avg Bid
    11 bids

    I am looking for react expert and blockchain expert. What we are doing: We are developing a series of new companies. These will be used by eCommerce sites. Because blockchain is more safe we will implement decentralized network to these companies. Smart contracts used here should be implemented by erc20 and erc721 To submit a proposal for this project, please send a cover letter with an overvi...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    9 bids

    Need to create website which will have the features of pool and swap using uniswap same like [login to view URL]

    $344 (Avg Bid)
    $344 Avg Bid
    8 bids

    Okay. So I need contract for solana with unique nft. As I mentioned above, I need only contract using rust language. My budget is around 800-1000$ max so don’t bid above. If can be done in 1 day there would be some bonus too.

    $600 (Avg Bid)
    $600 Avg Bid
    3 bids

    If you enjoy blockchain and DLT work with BIP39 this task could be for you. We have an opportunity to work with bip30 to create wallets using the ethereum tech stack. The requirement is as follows - Key skills - 1. Fantom Blockchain 2. Ethereum based tools (eg web3) 3. Wallets (eg Metamask) 4. Libraries (eg Web3, ethereumjs-tx, ethereum-common) 5. Mnemonics, BIP39, BIP44, keys 6. Javascript, HTML...

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    16 bids
    solidity expert required -- 2 6 days left
    VERIFIED

    We are looking for a solidity expert who can integrate multiple wallet logins into dapp plz bid if you have done this before

    $160 (Avg Bid)
    $160 Avg Bid
    5 bids

    Greeting Freelancers I need a custom nft supportable wallet where people able to mint their NFT with thit wallet to all NFTz website with low smart contract. I have some future list which I want in this app I have designed too

    $2763 (Avg Bid)
    $2763 Avg Bid
    27 bids
    BSC Binamon Scanning Program 6 days left
    VERIFIED

    Hello I would like build a program that scans BSC contracts for cheap Binamons for sale. More Information [login to view URL] NFT Token example: [login to view URL] To be successful with this project you must have prior Binamon experience or demonstrate understanding of the Binamon ecosystem by doing prior research

    $487 (Avg Bid)
    $487 Avg Bid
    8 bids

    I am looking for a full stack developer who understands Defi and flashloans. Understands how to deploy proxy contracts and reduce the risk of front running prior to contact being deployed. We need a developer to put the contract together as we have the blueprints already. This is a brief run down of the project and we have more documentation’s that we will provide once we choose the develo...

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    15 bids

    I am looking for someone who can help publish a new smart contract on the BSC network for a cryptocurrency token. Required skills: - Solidity, Smart Contract - OpenZeppelin's library - Truffle - BSC Network I will provide more details to a right candidate.

    $343 (Avg Bid)
    $343 Avg Bid
    22 bids

    Greeting Freelancers I need a custom nft supportable wallet where people able to mint their NFT with thit wallet to all NFTz website with low smart contract. I have some future list which I want in this app I have designed too

    $2911 (Avg Bid)
    $2911 Avg Bid
    22 bids

    Build a FTSO price Oracle using API of Crypto exchanges to grab prices of assets then calculate an average for each asset then submit the results to the Songbird Network as a hash. 1. Some of the API endpoints where price data can be collected for each trading pair: FLR/USD [login to view URL] XRP/USD [login to view URL] [login to view URL] curl "[login to view URL]" [login to view U...

    $31 / hr (Avg Bid)
    $31 / hr Avg Bid
    9 bids

    Build a FTSO price Oracle using API of Crypto exchanges to grab prices of assets then calculate an average for each asset then submit the results to the Songbird Network as a hash. 1. Some of the API endpoints where price data can be collected for each trading pair: FLR/USD [login to view URL] XRP/USD [login to view URL] [login to view URL] curl "[login to view URL]" [login to view U...

    $375 (Avg Bid)
    $375 Avg Bid
    2 bids

    Looking for a programmer with web development experience with Binance API for a web service MVP site that connects to Binance, read portfolio information and take few trading customized actions.

    $243 (Avg Bid)
    $243 Avg Bid
    19 bids

    Looking to develop a relationship with coder to build derivative platform

    $5239 (Avg Bid)
    $5239 Avg Bid
    25 bids

    Looking for a long term developer for Projects in the nft space startin off with a Opensea Browser Mode bot - fully automated buy process - monitoring openseas 24/7 - multi threaded - gas management through metamask Looking for a developer who would also work on commission based off success of the bot

    $661 (Avg Bid)
    $661 Avg Bid
    29 bids
    blockchain expert 6 days left
    VERIFIED

    I need a blockchain expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $22 - $182
    Sealed
    $22 - $182
    7 bids

    I am looking for someone who can help publish a new smart contract on the BSC network for a cryptocurrency token. Required skills: - Solidity, Smart Contract - OpenZeppelin's library - Truffle - BSC Network I will provide more details to a right candidate.

    $63 (Avg Bid)
    $63 Avg Bid
    13 bids

    This task is the fork of pancakeSwap project, so you can customize pancake ui kit or pancakeswap site. These are opensource. And also, only front-end task related to React and Web2 If you don't know pancake UI kit and knowledge of NFT, and Crypto, don't apply. Before hiring, you have to pass simple test, this test is to change logo on the existing site within short time. If you are senio...

    $250 - $750
    Sealed
    $250 - $750
    8 bids

    Build a web game website according to my designs and specifications (see google doc sent). Website must have - - Game (game + relevant Admin Panel data + provably fair) - Deposit and withdraw (Bitcoin) - Affiliates (Invite users for % of commission with affiliate code/link) - Level up (levels up the user and users receive rewards) - Chat (including moderators) - Responsive (Web and Mobile...

    $4566 (Avg Bid)
    $4566 Avg Bid
    35 bids

    I need help launching my NFT Collection. I'm trying to decide to either put them on Solana or Ethereum. Also, I may need help tagging the NFTs in the collection once they're up. I also need help scoping out the cost of this effort.

    $15 / hr (Avg Bid)
    $15 / hr Avg Bid
    18 bids

    Need to copycat IDO Launchpad with full functionality. Project for copy - [login to view URL] I need reply from you with budgets and how long time it takes to development. Please read detail before applying, detailed instructions and initial data in my other job submit here: [login to view URL]

    $15378 (Avg Bid)
    $15378 Avg Bid
    7 bids

    Hi, Im looking for a software/script/bot that interact with Axie Infinity Marketplace [login to view URL] (is a website market of a game) and buy axies for me automatically based on my preferences and filters. It involves a lot of knowledge in smart contracts and programming skills. I don't want a website, just need to run in my machine not online. I don't care about front-end, just need...

    $783 (Avg Bid)
    $783 Avg Bid
    10 bids

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $73 (Avg Bid)
    $73 Avg Bid
    8 bids
    10 NFT websites 6 days left

    Looking for a full stack blockchain developer to create a 10k NFT websites

    $35 / hr (Avg Bid)
    $35 / hr Avg Bid
    39 bids

    So crypto kitties and this site called crypto gems alliance, and [login to view URL] breed objects with AI and get future generations of images. Check these out for examples. I would like to do this but with a different main theme, Not piggies, Not Crystals, Not Kitties but something different. Can you help me do this and let me know what it is your doing and what we need to do to make it happen? ...

    $10 / hr (Avg Bid)
    $10 / hr Avg Bid
    4 bids

    Hello I need help with an error I keep running into with remix while trying to deploy a contract. Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending? Internal JSON-RPC error. { "code": -32000, "message": "execution reverted" } If you have experience and can fix this let me know i...

    $169 (Avg Bid)
    $169 Avg Bid
    15 bids

    Hello, I am looking for a web 3 solidity developer who can work with me long term

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

    I need for my project web designers, programmers and 3d designers.

    $3875 (Avg Bid)
    $3875 Avg Bid
    8 bids
    Copywriter for ICO Whitepaper 5 days left
    VERIFIED

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $93 (Avg Bid)
    $93 Avg Bid
    19 bids

    i want olymptrade profitable bot zero% risk

    $490 (Avg Bid)
    $490 Avg Bid
    10 bids

    We need to build World Class Crypto Exchange. Ongoing cryptocurrency startup is looking for senior php developer (backend). We are looking for a senior php developer, familiar with cryptocurrency/blockchain technologies, security best practices and Laravel php framework. You are to have previous experience of development of crypto wallets / crypto exchanges / crypto trading bots / crypto payment...

    $1300 (Avg Bid)
    $1300 Avg Bid
    45 bids

    we are looking for getting our token based on binance smart chain (bep20) listed on exchanges

    $165 (Avg Bid)
    $165 Avg Bid
    13 bids

    looking for someone to help with cardano nft project

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    48 bids

    Hello! We are looking for a developer to work with us on a NFT project on the Cardano Blockchain. Previous experience or knowledge on NFT projects is needed. Ideally you will help us build both the backend/frontend and the minting website. (We are also considering utilizing a 3rd party service to handle the backend so the work would be easier) We are mostly a Chinese speaking team, so if you could...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    30 bids

    Hello, i am looking for somone who can make a fork of pancakeswap with little UI customization

    $476 (Avg Bid)
    $476 Avg Bid
    7 bids

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [login to view URL] talking with you and discuss your [login to view URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be [login...

    $1360 (Avg Bid)
    $1360 Avg Bid
    5 bids

    I am looking for an experienced blockchain expert to create 3 smart contracts for: BSC (BEP20), HECO, POLYGON. Furthermore, you will help burn some tokens from already created smart contracts on ETHEREUM BLOCKCHAIN, Tron Blockchain & Wave Blockchain.

    $143 (Avg Bid)
    $143 Avg Bid
    8 bids

    Greetings, I'm looking for persons who are interested in game and NFT game project. Currently the project is 99% completed, so if you have the same interests and have marketing ability or have a good team please contact us.

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    4 bids

    Hi, I have been involved with NFT's for over a year now and have been very active in the space. I have a strong community following on the topic and have already created my original NFT collection of 100 hand-drawn NFTs. These have sold out and have a total trade volume of 20ETH. For the next step, I am looking for a smart contract developer to implement the following: - A tokenization sy...

    $1178 (Avg Bid)
    $1178 Avg Bid
    25 bids
    React WalletConnet Blockchain 5 days left
    VERIFIED

    hello, I have a site project that is already done just have problem using walletconnect as react to our project we did it one time but it had so many bugs so we need someone who can do it already web3 metamask is worked on desktop just we need mobile version and desktop (WalletConnect)

    $558 (Avg Bid)
    $558 Avg Bid
    35 bids
    ERC 721 Smart Contract 5 days left
    VERIFIED

    Generate my collection with the metadata, upload the content to a fully decentralized server, script/deploy my smart contract, and create a simple dApp with minting functionality and possibly webpage development/design (not necessary if not experienced). Fully randomized traits, and include a pre-sale option in the smart contract. Looking to have the initial metadata hidden when minting takes plac...

    $654 (Avg Bid)
    $654 Avg Bid
    23 bids
    Need ICO Whitepaper -- 2 5 days left
    VERIFIED

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $139 (Avg Bid)
    $139 Avg Bid
    7 bids

    A basic webpage (which I can port into my existing Wordpress site) that allows me to extract specific information about chosen NFTs on the cardano blockchain. The webpage is for use as a research tool - When live it will only be accessible by me - it only needs basic functionality. The page should allow me to enter the address of any individual wallet, plus one or more policy ID’s that rel...

    $253 (Avg Bid)
    $253 Avg Bid
    14 bids

    Top Blockchain Community Articles