Blockchain, is a technology that encompasses digital records or information, referred to as “blocks”, that are linked together securely and share the same network. This distributed ledger technology is the backbone of a new wave of innovation being implemented into our lives, with new disruptive applications and solutions seen in a growing number of industries. Clients may hire a Blockchain Developer to harness this power and build a secure digital platform tailored to their business needs.

A Blockchain Developer can create unique solutions leveraging blockchain technology to securely store, access, mine and distribute data in an efficient manner. They can leverage features such as blockchain tokens for payments, smart contracts for automated transactions, privacy layers and data protection techniques. Additionally, the expertise of a Blockchain Developer will ensure the project complies with industry standards, ensuring secure data and validation.

Here's some projects that our expert Blockchain Developer made real:

  • Creation of custom applications for fast and secure NFT (Non-Fungible Token) transactions
  • Developments of tools that allow synchronization with physical products using Bluetooth protocol
  • Integrations between wallets hosting cryptographic assets with ecommerce providers
  • The establishment of exploratory networks to provide insights into decentralized ecosystems
  • Developments to foster the growth of peer-to-peer energy trading networks

At customers have posted amazing projects covering a variety of use cases related to blockchain utilising the Freelancer verified experts. With help from professionals on customers can create unique projects addressing their business needs with safety, security and legality in mind. Rock your blockchain project today and hire an expert Blockchain Developer on now!

Müşterilerimiz, Blockchain Developers freelancerlarımızı 64,554 değerlendirme içinden 5 üzerinden 4.83 ile derecelendirdi.
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    32 iş bulundu, ücretlendirmeleri EUR

    Hello, I'm looking for an experienced front-end web developer to create a Web3 Launchpad for me. I have a vision in mind for how I want my website to look and feel in terms of design – I'm looking for a modern and minimalist style (tailwind css styles is good). I also have a preferred front-end framework in mind – React js or next js– for creating this website. Lastly, I need the website to feature certain functionality, specifically having dynamic content on my website. Please ONLY web3 experience and links to watch.

    €4990 (Avg Bid)
    €4990 Ortalama Teklif
    50 teklifler

    Need blockchain developer to create mev relay endpoint from BSC Node, where it can create a MEV Relay from node mempool data, I already have a full node, just need this functionality for a script that provides an endpoint as a mev relay

    €342 (Avg Bid)
    €342 Ortalama Teklif
    10 teklifler

    Need blockchain developer to create mev relay endpoint from BSC Node, where it can create a MEV Relay from node mempool data, I already have a full node, just need this functionality for a script that provides an endpoint as a mev relay

    €187 (Avg Bid)
    €187 Ortalama Teklif
    11 teklifler

    Need ethersJS script to add liquidity using nodejs for pancakeswap v3 router where i can define tick spacing, fee tier and total quantity, also need to know how to remove liquidity

    €47 (Avg Bid)
    €47 Ortalama Teklif
    9 teklifler

    Need blockchain developer to create mev block builder from BSC Node, where it can create a MEV Relay from node mempool data, I already have the node, just need this functionality for a script that block builders

    €194 (Avg Bid)
    €194 Ortalama Teklif
    9 teklifler
    Blockchain project 6 gün left

    I am looking for a talented Freelancer to build a blockchain project for me with cryptocurrency development as the primary goal. In addition to development, I also require Smart Contract Development. I have an expected timeline of completing this project in less than a month. The ideal developer for this project should possess strong knowledge in blockchain technology, cryptocurrency development, and developing smart contracts. If you think you have the skills to fulfill this project and you are confident that you can deliver the results in the timeframe I have provided, please reach out.

    €1850 (Avg Bid)
    €1850 Ortalama Teklif
    21 teklifler

    I looking for freelancer who have strong experience for Internet Computer Protocol. I have a ICP project that good running created by React JS. But I wanna this project run in android & iOS. App's mission is simple. - Create login screen that have a button which can calling ICP Api. - Call Api and if succeed authenticate, redirect the login screen. That's all I hope finish this app very fast.

    €14 (Avg Bid)
    €14 Ortalama Teklif
    7 teklifler

    Looking for a crypto coin promoter to help me reach out to potential investors. The ideal candidate should have experience in social media marketing and be able to create engaging content. The promotion will mainly target investors, and my budget for this project is between $500-$1000. Key skills and experience for this job include: - Social media marketing expertise - Experience in the crypto industry - Ability to create engaging content - Knowledge of investor behavior and strategies for attracting investors - Strong communication and interpersonal skills -coin listing on promotion sites and exchanges

    €20 / hr (Avg Bid)
    €20 / hr Ortalama Teklif
    9 teklifler

    I am looking for experienced help in deploying a new crypto node based on bnb on cloud. I prefer to use Digital Ocean for the deployment, but I have experience with cloud deployment in general so could use partial assistance during the process. My specific requirements are for someone who can provide partial assistance during the deployment process, and expertise and knowledge of the cloud, bnb, and crypto in general is a bonus. I'm hoping to find someone who can work with me to get the node up and running quickly and efficiently.

    €17 - €141
    €17 - €141
    0 teklifler

    i need to set up new private blockchain for our usrs to send request and transfer the request to lower level users and record the whole process for future payment.

    €419 (Avg Bid)
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    31 teklifler

    we looking for a skilled developer to create a blockchain based multi-services software and delivery web and app platform. timeline of this project 3-4 months. The ideal candidate should have experience working with BTC, ETH, BNB, BNB smart chain tokens and ETH smart chain tokens. The platform will offer a variety of services including Delivery, Payment, Marketplace and Home Services. The target user demographic for the platform will be Individual Consumers, Small Businesses and Enterprises. If you have experience working in blockchain technology and developing multi-services platforms, we would love to hear from you! DOC:- NOTE ?:- we clearly said what we need on the document have you read This project main part is the document wallet (cryptocurrency) and payment, Finance (E-Wallet)...

    €5140 (Avg Bid)
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    58 teklifler

    I am seeking a skilled developer to assist me in building an NFT marketplace on Kadena Chain. The ideal candidate should have experience with Reactjs and be able to work efficiently with this programming language. While I do not have a specific design in mind, I do have some basic requirements for the layout of the marketplace. I am primarily interested in incorporating token minting functionality, and would like the platform to support this feature. If you have experience with building auction functionality and NFT trading, that would be a plus. Please reach out to me if you are interested in working on this project. sample :

    €1820 (Avg Bid)
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    105 teklifler
    Editor Blockchain 4 gün left

    I would like a research paper written on this topic: To what extent can Blockchain technology help prevent and detect fraud in the auditor's engagements? Approximately 30 pages

    €8 / hr (Avg Bid)
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    We are looking for a talented freelancer in the field of blockchain development to carry out an exciting project. We need to develop a blockchain fork with the same features and functionality as Binance Smart Chain (BSC), but with custom specifications. Project Requirements: Create a fork of Binance Smart Chain on testnet and mainnet versions. Configure block explorers connected to the main server to facilitate monitoring and tracking of transactions. Implement bridges (bridges) to allow interoperability with other compatible blockchain networks. We are looking for a freelancer with proven experience in blockchain fork development and solid knowledge of Binance Smart Chain. You must be able to work independently and have a deep understanding of the underlying technology. If you are int...

    €19 / hr (Avg Bid)
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    28 teklifler

    NOTE ?:- Pls have a look at this document before you bid on this project. And take your time to understand the project and bid you final budget on the project. We don’t want to waste the time on the chat. If you don’t have knowledge to handle this project Pls don’t bit. DOC:- we looking for a developer to create a multi-services software and delivery web and app platform. The platform will offer food & grocery delivery and home services. I have some specific features in mind that I would like to incorporate into the platform. we're open to suggestions for the technology stack, but I am looking for a developer with experience in creating similar platforms and expertise in the following areas: - Mobile app development - Web development - Databas...

    €4120 (Avg Bid)
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    I want to get a notification when a token pair is listed on pancakeswap I can give you the token pair address, so when this pair is listed, I should be able to get a event or message or update the database(my db)

    €36 / hr (Avg Bid)
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    It seeks to create a blockchain where individuals or companies can create a cryptocurrency, this cryptocurrency will enter an ICO process, then this cryptocurrency will be listed in the main tab of the Exchange that also needs to be created, in the second tab will be the traditional cryptocurrencies. I am looking for a skilled blockchain developer to help me create a new blockchain and broker platform. For the blockchain platform, I am open to using an alternative platform other than Ethereum or Bitcoin. I would like the developer to advise me on which platform would best suit my needs. In terms of smart contract development, I am not entirely sure if I require assistance, so I would like the developer to provide me with advice and guidance on this matter. For the broker platform, the m...

    €2427 (Avg Bid)
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    Must begin within 12 hours, Must show code progress daily!!! I am looking for a skilled blockchain and UI developer to help create and integrate smart contract . The ideal candidate will have experience with Polygon and ERC-20 tokens. Candidate must integrate and edit existing UI. MUCH MORE WORK AFTER THIS TASK. The tokens used for this contract are SC, SN, and LV1POS Users can stake any amount in the following ratio. XDesiredPOS = 19 parts SC : 1 part SN = LV1POS uint256) { // Calculate the staking amounts based on the desired levelOnePOS value uint256 amountSC = (desiredLevelOnePOSValue * 19) / 20; uint256 amountSN = desiredLevelOnePOSValue - amountSC; return (amountSC, amountSN);

    €169 (Avg Bid)
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    Hello, We are looking for blockchain developer here as the website is a sports prediction website , very similar to cloudbet .com Herein, we will be having different sports prediction on which user will be predicting the outcome of different scenario. The token money used will be in form of crypto , a new coin will be developed and integrated in the website. There will be no casino as present in the reference website. Please send your similar work sample while you send proposals.

    €11313 (Avg Bid)
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    42 teklifler

    I am in need of a blockchain developer who specializes in Ethereum. The specific task I need the developer to complete is cryptocurrency development. The expected timeline for the project is 1-2 weeks. Ideal Skills and Experience: - Strong experience in Ethereum blockchain development - Expertise in cryptocurrency development - Knowledge of smart contract development - Ability to work within tight timelines

    €881 (Avg Bid)
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    20 teklifler

    I am looking for a developer with experience in decentralized exchanges (DEXs) and crypto arbitrage to create a bot that can continuously run trades. The bot will be using Uniswap, PancakeSwap, and SushiSwap for arbitrage. The ideal candidate should have a strong understanding of the cryptocurrency market and be able to develop a bot that can make trades quickly and efficiently. The maximum allowed slippage percentage is not specified, but the bot should be designed to minimize slippage as much as possible. The bot should be able to perform multiple trades per day, and should be able to run continuously without interruption.

    €15823 (Avg Bid)
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    33 teklifler

    bot that interact with telegram, twitter and uniswap API blockchain knowledge needed

    €200 (Avg Bid)
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    24 teklifler

    I am looking for a skilled developer to help me build a Dapp on the Ethereum blockchain with a primary purpose of decentralized finance (DeFi) functionality. The Dapp should have smart contract functionality and be interoperable with other blockchains. I require a full design for the Dapp's user interface and am looking for a developer who can provide assistance with this. The ideal candidate should have experience in building Dapps on the Ethereum blockchain, as well as expertise in designing user-friendly interfaces. Key project requirements: - Building a Dapp on the Ethereum blockchain with DeFi functionality - Smart contract functionality - Interoperability with other blockchains - Full design for the Dapp's user interface - Experience in building Dapps on the Ethereum bl...

    €700 (Avg Bid)
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    Opening for a game developer that will work on game frameworks / engine. Candidate must be able to speak english and have great communication skills. Is self motivated and productive. Can handle context changing. Is willing to learn new technologies. Candidate must be a self-starter. Able to work with minimal management, code disciplined, and has a strong work ethic. Skills Pixijs Typescript Node OOP concepts and principles Mobile game development experience Rest or Soap development experience Speaks and writes in English VS Code IDE Photoshop Web development GIT Repositories Azure DevOps Bonus Blockchain experience Gambling gaming Full stack developer

    €2234 (Avg Bid)
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    I have a white paper in text and need to make gitbook docs. You need to have some knowledge in bitcoin and blockchain. If you are a right candidate, please add gitbook & bitcoin at the bottom of your proposal. Thanks

    €25 (Avg Bid)
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    JUMBOMEMECOIN 2 gün left

    Welcome to JUMBOMEMECOIN! Our innovative cryptocurrency project is now seeking experienced help in developing a platform built on Binance Smart Chain. We are looking for talented individuals who can bring our vision of a smart contract development to life. JUMBOMEMECOIN will be an investment-based platform, built with the ability to provide users with a secure and reliable way to store and access digital assets. The platform will be powered by Binance Smart Chain, offering cutting-edge technology to our users. We require the development of secure and efficient smart contracts, as these will be the backbone of our platform. It is essential that our clients experience maximum security, transparency and trustworthiness when interacting with our smart contracts and thereby utilizing our of...

    €278 (Avg Bid)
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    7 teklifler

    In addition to the ICO platform development, we are seeking comprehensive promotion and marketing services specifically tailored for our ICO. We require expertise in community management, social media marketing (with a focus on Twitter, Telegram channels, and Discord), and PR campaigns. It is crucial for us to build and engage a vibrant community, create buzz, and attract potential investors. We are particularly interested in service providers who have a track record in effectively managing online communities, executing successful social media campaigns, and implementing strategic PR initiatives. Our aim is to leverage these marketing efforts to generate widespread awareness and drive investor participation in our ICO

    €4120 (Avg Bid)
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    I currently have two smart contracts, both designed to perform the same function, that I need deployed on both the Ethereum and Binance Smart Chain blockchains. The foundational code for these contracts is already prepared, but they require some modifications. Given the nature of the changes, this task shouldn't be a massive undertaking and is expected to be completed within a day. Upon agreement to take on this job, I will provide the contract 0x addresses. Please ensure to review and check for correct language and terminology in the contracts

    €15 / hr (Avg Bid)
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    I want to invest about £200,000 in cryptocurrency and I want to hire someone to manage my assets.

    €1290 (Avg Bid)
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    ANSWER QUESTIONS 20 saat left

    Need 3 developers Interactive Knowledge Game is looking cryptocurrency engineer who can collaborate coin price prediction project. We our open source can be found at Requirements: Make it possible to add custom coin to this project by inserting new coin address. Answer the followings to be selected 1. Run the project and tell me which exchange platform this repo support. 2. To predict whether each coin price will be increased or decreased, how can you solve this task.

    €29 / hr (Avg Bid)
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    NFT developer 11 saat left

    IKGame team is looking for a NFT expert. We have an NFT project and website and smart contract for NFT minting is already done. But the previous developer is on his vacation, so I need to find a talented developer for updates. All I want from you is , we want you to create a smart contract for staking of the NFTs and update website for staking feature. Here is the full source of current version. Hope you start work from this version and update it. So if you are interested, and talented, check this project and let me know your quote to add staking feature to website and smart contract. Hope to meet a developer, No agency. Thanks.

    €516 (Avg Bid)
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    29 teklifler

    my site is i have included main files for you to explore in attachments it is a wordpress theme that connects to a server folder on my dedicated server. you may sign up for the site, but no i wont give you admin access until you accept job, because the server actually creates private and public keys and holds current user information.. it is a wcfm marketplace able to host these 5 wallets, users needed to be able to send currency internally amongst each other as well as send send to external wallets/exchanges 1) the server is programmed for shib inu, apecoin, bitcoin, xrp, ethereum... i need you to be able to make sure its coded currectly in the server for receive, transfer, balance, etc 2) on the wordpress side, its already 80% coded for internal transfer (user to userr) and exter...

    €1200 (Avg Bid)
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