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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    121 jobs found, pricing in USD

    Looking for someone with experience in TOS scripting , someone who already wrote successfully few algorithms in thinkscript editor, for automated entry bracket with few conditions/ triggers for entry and exit trading positions

    $145 (Avg Bid)
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    8 bids

    Hi I am a blockchain developer I have made a Stellar Remit App for my usa client but the client is lack of fund so he said I cannot pay for the wallet purchase now ..so that's why i am posting this so that any developer or a client who wants to buy this can purchase from me A stellar integrated account can be created It can be funded Transfer the amount to another wallet without any taxtes Checking the account balance Front end is fully developed I just need to work on the backend by developing blockchain by integrating of payment gateway after speaking with the correct person who will buy this i will complete the project and hand over the project I have attached the front end pic Please check and only real buyers bid in My Wallet will cost -3200$USD Happy bidding

    $2574 (Avg Bid)
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    13 bids

    Our team is looking for a Solana expert who can build NFT, Staking contracts using Rust perfectly. I tried to do test several guys about their experience and skills. But all guys are scammers and fake. They doesn't know well about the Solana contract development. If you are not expert in Solana, Do not apply please. Only expert will be hired and work long term with our team. Waiting for your proposals. Thanks.

    $27 / hr (Avg Bid)
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    38 bids

    am looking for professional developer that will build a cryptocurrency wallet app

    $23 / hr (Avg Bid)
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    9 bids

    Hello everyone, I am looking for a team of experts to create a website from scratch. First feature of this casino website will be similar to , users should be able to enter lotteries with crypto. So everything from user registration with basic kyc process, crypto deposits, random winner selection with provable fair system and everything else that is necessary needs to be done. Second feature of the site is a simple crypto dice game like We also need an admin interface with all types of statistics, user management, support ticket system I will request many more features as this projects grows and as we see what else is needed. I need someone who keeps working with us after the website is finsihed to manage content and keep developing this project. Further details will...

    $39939 (Avg Bid)
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    39 bids
    Solana NFT minting project 6 days left
    VERIFIED

    I need to build NFT minting site on Solana. UI is simple. This need to be done in 1 or 2 days. Only expert apply to my project plz. If you do this project perfectly, I will award you more and more project. Thanks.

    $250 - $750
    Sealed
    $250 - $750
    25 bids

    Create nfts and tokenise them on opensea testnet , using smart contracts and erc21 standards , its a very simple project, front end page needed

    $13 (Avg Bid)
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    4 bids
    nft marketplace backend need 6 days left
    VERIFIED

    nft marketplace backend need i alrady have frontend but no fucntion in there

    $747 (Avg Bid)
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    63 bids

    Hello! We are hiring people to grind on Discord NFT servers to get the whitelist for us. Here are the points you must know about the role: 1️⃣ You enter a Discord NFT server we send you, and find the requirements needed to get an ETH wallet address whitelisted (if any questions, feel free to ask us). 2️⃣ Once you're in the server, you perform the requested tasks to get whitelisted (sometimes, this may involve using social media accounts). 3️⃣ Once whitelisted, you notify us to get compensated. What is usually required for getting whitelisted on NFT projects: ?? Interacting in the chat positively, and engaging with the community with genuine conversations. THAT'S IT! Tips that can help you to get whitelisted sooner: ?? On some Discord servers, you'll have more chance...

    $424 (Avg Bid)
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    17 bids

    I need a Well experienced Flutter Developer for a month who will deal with the client directly and report on daily basis on our CRM. Attend calls with the client and make sure the work is done on time. This will be a Cryptocurrency related project. So knowledge of Cryptocurrency is a Plus.

    $630 (Avg Bid)
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    15 bids
    Swap dapp full exchange 6 days left
    VERIFIED

    we want to create a decentralized exchange platform with staking system, please do not bids and i the message you tell me different price its need to be dapp full exchange, also are you going to use infrastructure or no

    $1190 (Avg Bid)
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    92 bids

    I am looking for a blockchain developer to create me Metaverse website. If you can do this kindly bid in with your past work. Thanks

    $515 (Avg Bid)
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    13 bids

    Basically I need a website where people can buy ticket for a raffle. Prize can be a whitelist / a NFT piece. It is just a bidding feature where you have the NFT display on the website and then you can bid for X amount of time. The last bidder will win the auction. I need to make Raffle / Auction system like this.

    $1736 (Avg Bid)
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    22 bids
    NEAR nft project 5 days left
    VERIFIED

    Deploy Near nft smart contract, whitelist token, landing page & minting site, and fix the metadata format.

    $1219 (Avg Bid)
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    56 bids

    I want to make a promotion of a Token which represents a real product. Owning the Token you have legal right on this product. One lot of products contains 10.000 units. There will be 20 lots. Maybe NFT release could be a good option. I need branding, website, promotion, blockchain.

    $38 / hr (Avg Bid)
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    18 bids
    Cryptocurrency Wallet 5 days left
    VERIFIED

    We are building a cryptocurrency wallet using Dart Flutter that enables users receive Bitcoin,ETH and BNB.

    $153 (Avg Bid)
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    17 bids

    looking for developer who has already got good experience in software development on solana. Please contact only if you have existing experience. before starting discussion you need to provide some details on what RELEVANT work you have done - only then you will be CONSIDERED.

    $291 (Avg Bid)
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    5 bids

    Hello, I'm looking for someone to create a chain fork and explorer, preferably Solana based. We need a chain that has API's set up for token creation, wallet creation, NFT minting, transactions etc BSC type/spec is ok for ETH fork - ideally EVM compatible Otherwise a 3rd Gen Chain fork - Solana, Avalanche

    $62 / hr (Avg Bid)
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    19 bids
    Blockchain development -- 2 5 days left
    VERIFIED

    I need my own blockchain like Etherium. Read details in documents

    $5077 (Avg Bid)
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    22 bids

    Hello There, I want to develop a crypto token on bsc samart chain and want wallet of it to integrate in my mobile application Please apply only with the link of the tokens those you have developed

    $477 (Avg Bid)
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    19 bids
    Rust Developer 5 days left
    VERIFIED

    Looking for a experienced Rust Developer for a long-term project. Project Description: Developing of the casino project with a slot machine. We need a developer who will work on game platform and the RNG of the slot machine, so it fulfils the requirements for the gambling license. Project would last 1-3 months. Tasks: • Imput the deposit/withdrawal feature; • Maintenance of a database which tracks all bets being made; • Security Key Requirements: • Experience with rust; • Experience with virtual machines used by modern blockchains: webassembly, evm, cosmwasm; • Ability to analyze and optimize platform performance; • Experience in conducting tests in a distributed environment; • Experience auditing the security of third-party and internal solut...

    $3804 (Avg Bid)
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    9 bids

    Some possible ways to hire blockchain and crypto exchange developers. The ways are Hire a dedicated team, Engineers on Hourly and Monthly basis based on your Project Development Requirements. CRYPTOCURRENCY DEVELOPMENT CRYPTOCURRENCY EXCHANGE SCRIPT CRYPTOCURRENCY EXCHANGE SOFTWARE DEVELOPMENT WHITE LABEL CRYPTO EXCHANGE SOFTWARE CRYPTOCURRENCY WALLET DEVELOPMENT DECENTRALIZED EXCHANGE SOFTWARE P2P CRYPTOCURRENCY EXCHANGE SOFTWARE HYBRID CRYPTOCURRENCY EXCHANGE SOFTWARE CRYPTOCURRENCY MLM SOFTWARE CRYPTOCURRENCY HYIP SOFTWARE CRYPTOCURRENCY DEVELOPMENT STABLECOIN DEVELOPMENT ALTCOIN CREATION SERVICES

    $7 / hr (Avg Bid)
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    3 bids
    Token Listing 5 days left
    VERIFIED

    I need to list my token on CMC. CG , Kucoin ...... etc

    $233 (Avg Bid)
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    20 bids

    Looking for expertise around crypto, especially for launching NFTs. We are finalizing the design of an NFT now and are looking to launch it in 1-2 months. You should have extensive experience launching NFTs and contract development in Solidity and blockchain security. Please respond with example projects/contracts that you've launched.

    $709 (Avg Bid)
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    41 bids

    Start immediately! Need an experienced dev, who can fix, eg see why a Solidity Airdrop Code is not working on the Binance Smart Chain. The best candidate will be awarded 50$, this should be an easy 2 hours job if you know your stuff, people who ask for unrealistic high prices after bidding will be reported to freelancer, so bid accurately

    $90 (Avg Bid)
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    11 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

    $16 / hr (Avg Bid)
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    29 bids

    I need auditor who work with our lots of projects

    $557 (Avg Bid)
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    7 bids
    Smart Contrat 5 days left
    VERIFIED

    Hello, is it possible to make such smart contracts as this one

    $225 (Avg Bid)
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    30 bids

    Hi. I need a blockhain dev that can create a stop loss smart contract for lp yield farming. The bot / smart contract has to monitor the value of the lp (like yieldwatch or apeboard) every minute (as often as possible) and liquidate positions depending on the % loss factor of the position. Turn lp back to stables. On every blockhain like yieldshield Thanks

    $564 (Avg Bid)
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    37 bids
    Blockchain - Website 4 days left
    VERIFIED

    Need a good developer for website.

    $50273 (Avg Bid)
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    28 bids
    Blockchain NFT Website 4 days left
    VERIFIED

    I already have a Website. However we are looking to launch our NFT and would like to mint the NFT on our website and then it will relay to OpenSea as it mints onto ETH blockchain. 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. - Mint link with a page for the initial mint, connect to wallet (metamask) - Confirm transaction Functions for NFT Holders: -A login for NFT holders (using metamask and other popular wallets) - Show a list of their NFT's that are part of the collection Good english speaker required and you will need to be able to have video calls with me, you will also be the official developer for the project.

    $888 (Avg Bid)
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    71 bids

    Wanted legal Advisor for CryptoCurrency Related Issues in Tamilnadu. Should have good solving capabilities.

    $14 (Avg Bid)
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    5 bids
    Blockchain engineer 4 days left
    VERIFIED

    Hello We are looking for an individual Blockchain developer. Please don't bid if you don't have portfolios. Required skills and experience - Solidity, , React, Node, CSS, HTML, JavaScript - Database architecture - Token development, Smart contract development, NFT marketplace or mint site development, DeFi Dapp - Teamwork - Clear communication (Zoom call) - Attention to detail Bonus skills and experience - Python, Rust, C#, Vue, Angluar, PHP - Design - NFT game development(3D framework) We hope you send us your past projects if you are a senior developer. If you don't have you can save your proposal. And we will read all proposals from the start to the end carefully. So you can write as well as you can without hurrying. Plus, we have our development team and will check...

    $41 / hr (Avg Bid)
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    62 bids

    Looking someone to create this

    $229 (Avg Bid)
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    27 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

    $14 / hr (Avg Bid)
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    20 bids
    Blockchain project ($1000) 4 days left
    VERIFIED

    Need a reliable developer for this project.

    $947 (Avg Bid)
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    60 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 ...

    $1214 (Avg Bid)
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    43 bids
    Urgent blockchain website 4 days left
    VERIFIED

    Need an individual who is competent.

    $760 (Avg Bid)
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    53 bids

    Need a competent individual for this project.

    $806 (Avg Bid)
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    56 bids

    I'd like to make Vault platform, so I need someone who has enough experience in react.js, , Graphic design, solidity, Moralis SDK, and Web3.js. I will discuss more via private chat. If you are expert in this field, let me know.

    $548 (Avg Bid)
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    26 bids

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

    $1332 (Avg Bid)
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    40 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.

    $845 (Avg Bid)
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    46 bids
    off-chain-expert 4 days left
    VERIFIED

    Looking for getting all transaction in off-chain. I will discuss further details in chat.

    $28 / hr (Avg Bid)
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    22 bids
    Cronos blockchain expert -- 2 4 days left
    VERIFIED

    looking for a experienced cronos blockchain developer who can also build dapp and wallet integration (metamask and defiwallet) I want to launch NFT project on Cronos chain asap please share your past works and github profile

    $37 / hr (Avg Bid)
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    52 bids

    I need a blockchain technician to be responsible for the company's blockchain project

    $588 (Avg Bid)
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    63 bids
    NFT market -- 3 4 days left

    This is for a soon to be released application. The company name is ORB. Which stands for orbital an orb of light. Has a space theme. This is going to be a world famous application so this logo needs to be top notch. Logo name is: YUI

    $27 / hr (Avg Bid)
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    Pinescript expert 4 days left
    VERIFIED

    start an alert based on comparing previous values of indicators RSI, MACD, Stochastic with current ones (on the current chart). It may take less than 30 minutes for a Pine expert to do the code. Are you able to do the job for me please?

    $133 (Avg Bid)
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    4 bids
    Openware Project 4 days left
    VERIFIED

    if you are experienced with Openware projects, pls come and say a hi )

    $34 / hr (Avg Bid)
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    11 bids
    Ico smart contract 4 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
    34 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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    36 bids

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