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    52 travaux trouvés au tarif de EUR
    Layer 1 Blockchain 23 heures left
    VERIFIÉ

    We're looking for a Blockchain developer for a Layer 1 Crypto project. Besides the development work, we also need some advice about choosing suitable mechanics, e.g. PoS. We have our own DEV team, and the candidate needs to work with our team and go through the design, development, and test phases. The timeframe for this is about three months.

    €36 / hr (Avg Bid)
    Urgent LDN
    €36 / hr Offre moyenne
    23 offres
    Criar Website de ICO 6 jours left
    VERIFIÉ

    O Website será para vender minha Própria Criptomoeda . Rede BscScan. Deve fazer a conversão automática dos pares que eu aceito. Pares aceitos são BTC / BUSD / ETH

    €189 (Avg Bid)
    €189 Offre moyenne
    7 offres

    Greeting for everyone! I have NFT marketplace project for pre-lanch. project has done all and left some issues in Smart Contract. I am looking for someone who can fix this issue. you must have rich experience in Solidity/Smart Contract development. Conditions: 1. you have to work through remote access because project is private. 2. all funds will be release after deploying contracts successfully. I have similar projects more and this will be long term deal. cheers!

    €1499 (Avg Bid)
    €1499 Offre moyenne
    56 offres
    Create a proxy smart contract 9 heures left
    VERIFIÉ

    Hello, I need a proxy smart contract , it's a real urgent need. Needs to be on Rinkeby network.

    €1160 (Avg Bid)
    Urgent
    €1160 Offre moyenne
    61 offres

    Looking for Nft Developer. You will need to work on following points to make our development advanced and unique. Currently I have just GIF(animation available) . - Upload art to IPFS - NFT Minting dApp (minting site with verification, wallet integration and contract integration) - Gas Optimized NFT Upgradable Smart Contract Development Deployment ERC721A . - Contract should have whitelisting, presale, and a giveaway - NFT listed on NFT Marketplaces - Opensea, IMX etc. - Custom Dynamic Admin Panel

    €33 - €95
    Scellé
    €33 - €95
    12 offres

    A full trade application on the blockchain network.

    €2459 (Avg Bid)
    €2459 Offre moyenne
    27 offres

    Hello everyone, I need: - Token smart contract with fee extraction on BSC + bridges to ERC and Polygon - Staking contract - Token locker - Voting system - Dapp frontend

    €639 (Avg Bid)
    €639 Offre moyenne
    23 offres
    Cryptocurrency Wallet 5 jours left
    VERIFIÉ

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

    €146 (Avg Bid)
    €146 Offre moyenne
    17 offres

    MY QUESTION IS: Do you have experience in setting the price of an item in a collection via the API? I have python code that creates the NFT's and displays them on opensea - I would just like to use the API to set the initial price - see attached screen shot for clarification

    €20 / hr (Avg Bid)
    €20 / hr Offre moyenne
    33 offres

    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.

    €278 (Avg Bid)
    €278 Offre moyenne
    5 offres

    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

    €86 (Avg Bid)
    €86 Offre moyenne
    11 offres

    I need auditor who work with our lots of projects

    €531 (Avg Bid)
    €531 Offre moyenne
    7 offres

    Hi I'm looking for someone to collaborate with for my blockchain project. I would need olympus dao bonding mechanism hybrid with pancakeswap staking pools (syrup pool). Send message for more info.

    €1270 (Avg Bid)
    €1270 Offre moyenne
    20 offres

    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

    €538 (Avg Bid)
    €538 Offre moyenne
    37 offres
    Blockchain - Website 4 jours left
    VERIFIÉ

    Need a good developer for website.

    €47959 (Avg Bid)
    €47959 Offre moyenne
    28 offres
    Blockchain engineer 4 jours left
    VERIFIÉ

    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...

    €39 / hr (Avg Bid)
    €39 / hr Offre moyenne
    62 offres
    Blockchain project ($1000) 4 jours left
    VERIFIÉ

    Need a reliable developer for this project.

    €903 (Avg Bid)
    €903 Offre moyenne
    60 offres

    Busco desarrollador SOLIDITY (erc-721) para que asesore el desarrollo de un smart-contract de un proyecto NFT. Requerimos asesoria para la creación de un proceso en el struct para crear un array que nos permita registrar las referencias de pago, que tiene insidencia en transacciones y transferencia de fondos de la compra.

    €171 (Avg Bid)
    €171 Offre moyenne
    15 offres

    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 ...

    €1158 (Avg Bid)
    €1158 Offre moyenne
    43 offres
    Urgent blockchain website 4 jours left
    VERIFIÉ

    Need an individual who is competent.

    €729 (Avg Bid)
    €729 Offre moyenne
    54 offres
    Build a blockchain website ASAP 4 jours left
    VERIFIÉ

    Need a competent individual for this project.

    €773 (Avg Bid)
    €773 Offre moyenne
    57 offres
    Need someone Solidity developer 4 jours left
    VERIFIÉ

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

    €1271 (Avg Bid)
    €1271 Offre moyenne
    40 offres

    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.

    €806 (Avg Bid)
    €806 Offre moyenne
    46 offres
    Cronos blockchain expert -- 2 4 jours left
    VERIFIÉ

    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

    €35 / hr (Avg Bid)
    €35 / hr Offre moyenne
    52 offres
    Ico smart contract 3 jours left
    VERIFIÉ

    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,

    €29 - €238
    Scellé
    €29 - €238
    33 offres

    Need a competent individual to make this.

    €691 (Avg Bid)
    €691 Offre moyenne
    63 offres
    NFT factory. Spanish dev needed 3 jours left
    VERIFIÉ

    We need a Spanish dev experienced in Solidity. Only Spanish devs, preferably from Barcelona.

    €2350 (Avg Bid)
    Local
    €2350 Offre moyenne
    30 offres

    create staking smart contract for bep20 token staking Rewards 6 Months 5% 9 Months 10% 12 Months 20% 1- UI/UX for staking 2- Web 3 connectivity 3- Testing on testnet and mainnet deployment 4- Deployment on aws of all above work

    €575 (Avg Bid)
    €575 Offre moyenne
    15 offres

    NFT social media like marketplace

    €670 / hr (Avg Bid)
    €670 / hr Offre moyenne
    27 offres

    I have a website and Solidity Contract ready and I want someone to integrate them using or

    €42 (Avg Bid)
    €42 Offre moyenne
    4 offres
    Blockchain Solidity Developer 3 jours left
    VERIFIÉ

    Hi I need Blockchain Solidity developer who can help me create a smart contract for NFT project similar to: If you can connect it to front end of our web site it'll be huge so React/Javascript knowledge is a plus.

    €335 (Avg Bid)
    €335 Offre moyenne
    51 offres

    Smart contract Developer - Solidity, Solana, Rust, Ethereum - Crypto Wallet integration - NFT

    €13 / hr (Avg Bid)
    €13 / hr Offre moyenne
    13 offres

    Hi devs. My previous developer has an personal issue so I am going to hire other dev who can handle his stuff as a blockchain developer. The details will be provided to the candidate. I need a long term developer. I have too much stuff for my business. Please submit a proposal on this job post seriously!. scammer not accepted!

    €1513 (Avg Bid)
    €1513 Offre moyenne
    58 offres
    Fix some bugs 2 jours left

    Hi, freelancers I have smart contract. That has some bugs. I find someone to fix it. Requirements - solidity - hardhat If you are right person, I will give you some works.

    €28 / hr (Avg Bid)
    €28 / hr Offre moyenne
    9 offres

    I need a script that can AutoQuest NFT's in a crypto gaming environment, the script needs to interact with the blockchain contract for an NFT game that auto quests my NFT's, so i don't have to sit there and send them on quests, when i have hundreds of NFT's per game, it can literally take me 4-6 hours per day sending them on quests and you miss a day, and you don't earn rewards, so i need a script that can upload them and auto quest all day 24 hours a day. Message me and i can share the game URL and other details.

    €685 (Avg Bid)
    €685 Offre moyenne
    28 offres
    NFT MINTING Site 1 jour left
    VERIFIÉ

    I have an ongoing nft project that is currently at the minting stage. Therefore, the service of a competent freelancer is needed to setup up a minting site for the project.

    €74 (Avg Bid)
    €74 Offre moyenne
    20 offres

    Hi looking for an expert that can deploy smart contract on ethereum for our nft marketplace , i ve two contract files with me write NOON at start of bid so i can see its not robotic bid :)

    €164 (Avg Bid)
    €164 Offre moyenne
    34 offres

    I need a competent individual who will meet my requirements.

    €632 (Avg Bid)
    €632 Offre moyenne
    75 offres

    fork a defi protocol like DyDx or PERP, including smart contracts, front end and deployment to testnet, with some customizations.

    €2911 (Avg Bid)
    €2911 Offre moyenne
    37 offres

    Hello. I am looking for the dedicated hardworking individual who can work full time for next several months Skills blockchain technology fast learning new skills full time dedication - 40+ hours per week. Good communication skills - fast response Bonus if know both backend frontend. Share the github profile on your bid with related tech stack on your bid Only individual freelancers, I am tired of hiring team or agency anymore. Thanks

    €16 / hr (Avg Bid)
    €16 / hr Offre moyenne
    36 offres

    I want to buy a Decentralized Swap Bridge from ETH to BSC and vice versa. I want to convert ETH to BNB while bridging and vice versa NOT A NEW Development. Only if you have the software already developed I am interested. You will have to show me a demo and source code. Need this in couple days. Again NOT a new development. Only talk to me if you already have the code. Please note I am a developer, so I know all the tricks in the book. Please dont try them with me.

    €1998 (Avg Bid)
    €1998 Offre moyenne
    23 offres

    I need to build a blockchain based finance system that automate stablecoin farming. The vault I would like to build is around Yeti Finance, they have a stablecoin strategy outlined here - Please check and bid on this project if you can do this task asap. Best regards.

    €402 (Avg Bid)
    €402 Offre moyenne
    6 offres

    Hello! I want a professional who can create me an Nft Staking Website. Note: you must have sample and tell me the full details about how you will create it. Don't apply if you can't stick to my budget and my budget is 600$. It must be complete within 15 to 20 days. THANKS

    €38 / hr (Avg Bid)
    €38 / hr Offre moyenne
    13 offres
    Nft Staking Website 20 heures left

    Hello! I want someone to create me Nft Staking Website. Note: You must tell me the full details about how you are going to do it. You must have sample of your previous work " Nft Staking Website" You must be at least 20yrs and above And my budget is 500$ if you can stick to my budget please don't apply. You must be able to complete it between 15 to 20 days. If you can't complete my project within that days then, let me know the reason why. Thanks

    €742 (Avg Bid)
    €742 Offre moyenne
    4 offres
    Dapp with python 19 heures left
    VERIFIÉ

    I've been using python and brownie to deploy, mint, and manage my contracts. I'd like to create a minting app - but use python framework

    €525 (Avg Bid)
    €525 Offre moyenne
    38 offres
    Build A Domain Name Website 19 heures left
    VERIFIÉ

    I need a competent individual who will meet my requirements.

    €604 (Avg Bid)
    €604 Offre moyenne
    30 offres

    support regarding wallet login for the website

    €95 (Avg Bid)
    €95 Offre moyenne
    8 offres

    Hola necesito un Smart contract para mañana es una fase inicial para mostrar a unos inversores como funcionaría ya luego lo hechariamos andar. Necesito un Smart contract para un servicio de insert en query el cual no pueda rescindirlo en 4 años y ejecute un cobro de forma automática por skill con el log diario y timbre el dinero de forma inmediata Para mañana solo necesitaría el archivo parametrizado para luego hechar a jalar en nuestro dominio para el sábado necesito presentarle a la financiera el Smart contract que se ejecutaría sin conectar es decir listo como para que lo insertes en el dominio y lo configueres pero con los valores del contrato El lenguaje puede ser phyton o otro se trabaje lo más rápido posible p...

    €227 (Avg Bid)
    €227 Offre moyenne
    13 offres
    Build A Domain Name Provider 8 heures left
    VERIFIÉ

    I need a competent individual to make this website as per my requirements.

    €537 (Avg Bid)
    €537 Offre moyenne
    33 offres

    Looking for Nft Developer. You will need to work on following points to make our development advanced and unique. Currently I have just GIF(animation available) . - Upload art to IPFS - NFT Minting dApp (minting site with verification, wallet integration and contract integration) - Gas Optimized NFT Upgradable Smart Contract Development Deployment ERC721A . - Contract should have whitelisting, presale, and a giveaway - NFT listed on NFT Marketplaces - Opensea, IMX etc. - Custom Dynamic Admin Panel

    €33 - €95
    Scellé
    €33 - €95
    17 offres