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    55 건의 일자리 확인, 급여 기준: USD

    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

    $50 (Avg Bid)
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    3 건의 입찰

    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.

    $116 / hr (Avg Bid)
    $116 / hr (평균 입찰가)
    7 건의 입찰

    I need auditor who work with our lots of projects

    $583 (Avg Bid)
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    6 건의 입찰

    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.

    $1322 (Avg Bid)
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    19 건의 입찰

    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

    $558 (Avg Bid)
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    37 건의 입찰
    Blockchain - Website 6 일 left
    확인

    Need a good developer for website.

    $50317 (Avg Bid)
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    21 건의 입찰
    Blockchain engineer 6 일 left
    확인

    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 ...

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    51 건의 입찰

    Need a reliable developer for this project.

    $962 (Avg Bid)
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    54 건의 입찰

    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.

    $172 (Avg Bid)
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    15 건의 입찰

    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 ...

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    42 건의 입찰
    Urgent blockchain website 6 일 left
    확인

    Need an individual who is competent.

    $717 (Avg Bid)
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    52 건의 입찰

    Need a competent individual for this project.

    $811 (Avg Bid)
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    55 건의 입찰

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

    $1337 (Avg Bid)
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    39 건의 입찰

    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.

    $839 (Avg Bid)
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    46 건의 입찰

    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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    50 건의 입찰
    Ico smart contract 5 일 left
    확인

    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
    봉인형
    $30 - $250
    34 건의 입찰

    Need a competent individual to make this.

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    65 건의 입찰

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

    $2443 (Avg Bid)
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    31 건의 입찰

    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

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    16 건의 입찰
    $756 / hr (평균 입찰가)
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    I have a website and Solidity Contract ready and I want someone to integrate them using or

    $37 (Avg Bid)
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    5 건의 입찰

    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.

    $321 (Avg Bid)
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    Smart contract Developer - Solidity, Solana, Rust, Ethereum - Crypto Wallet integration - NFT

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    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!

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    Fix some bugs 3 일 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.

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    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.

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    28 건의 입찰
    NFT MINTING Site 3 일 left
    확인

    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.

    $75 (Avg Bid)
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    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 :)

    $172 (Avg Bid)
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    I need a competent individual who will meet my requirements.

    $661 (Avg Bid)
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    76 건의 입찰

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

    $2962 (Avg Bid)
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    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

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    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.

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    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.

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    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

    $40 / hr (Avg Bid)
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    Hello! I want someone to create me Nft Staking Website. Note: You must tell me the full details about how you are going to do it. You must have sample of your previous work " Nft Staking Website" You must be at least 20yrs and above And my budget is 500$ 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

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    4 건의 입찰
    Dapp with python 2 일 left
    확인

    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

    $550 (Avg Bid)
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    38 건의 입찰

    I need a competent individual who will meet my requirements.

    $633 (Avg Bid)
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    30 건의 입찰

    support regarding wallet login for the website

    $100 (Avg Bid)
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    8 건의 입찰

    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...

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    13 건의 입찰

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

    $563 (Avg Bid)
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    33 건의 입찰

    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

    $35 - $100
    봉인형
    $35 - $100
    17 건의 입찰

    I am looking for someone that has experience with Python and Brownie - I've created several scripts to deploy contact - upload images to IPFS through Pinata - upload metadata - and change the tokenURI for a given tokenID - All this works locally using Ganache but have had some issues with the one function of changing the tokenURI for a given tokenID on Rinkeby - looking for someone to help

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    Thrive Bonds 1 일 left

    I'd like to make bonds that pay 50 percent back to the holder, 50 percent into marketing wallet. I have the contract almost completed just need help figuring out the last leg or fixing my issue.

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    ERC 1145 smart contract 1 일 left
    확인

    Seeking freelancer to guide me in creating an ERC 1145 smart contract for Ethereum NFT project. Seeking step by step instructions so I can learn to do it myself. Milestone 1create ERC 1145 contract (step by step instructions) Milestone 2 add picture and Json / metadata to contract (step by step instructions) Milestone 3 help to successfully upload 2k of NFTs (step by step instructions)

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    17 건의 입찰

    Hello, can you please help me fix this smart contract

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    Looking for a developer who can write smart contracts in Rust, glow, solidity and have worked on various chain such as Binance, ethereum. solana, terra and nearchain.

    $99 (Avg Bid)
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    Hello! I would like to discuss my project with an expert blockchain developer. Make sure you have enough knowledge to answer my questions. If I find you worthy, I may hire you for long terms. Happy bidding !

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    Fork Ethereum blockchain with a consensus algorithm of PoA • Branding website • Deploy mining pools • Brand Network Status monitor • Brand block explorer • MetaMask for Wallet connectivity • Blockchain Documentation for developers and users • Predefined maximum supply, time of blocks. • Testnet Blockchain & Faucet App • Fully compatible with MetaMask: • Fully compatible with all Ethereum's contracts and dapps. • Be able to integrate with NFT & GameFi Metaverse for future plan • Automatically configure Metamask Wallet • Provide Blockchain API • Blockchain can achieve a remarkable TPS than Ethereum

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    This project aims to solve the problem of tracking the full supply chain from the production of the coffee beans to the consumer hands. To describre the general structure and functions that this Smart Contract offers to the actors: 1)Farmers 2)Distributors 3)Retailers 4)Consumers

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    Creating a land nft sale 15 시간 left
    확인

    We want to create a land nft sale for our project that we can expand if necessary.

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    60 건의 입찰