Ethereum is a decentralized platform that runs smart contracts- applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference. De 41153 comentarios, los clientes califican nuestro Ethereum Developers 4.83 de un total de 5 estrellas.
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    16 trabajados encontrados, precios en EUR

    Hello. I have an already deployed contract on testnet with ABI and created the front end with the connect wallet button. I just need that after you connect the wallet the button state change to send and execute the contract when you click it.

    €153 (Avg Bid)
    €153 Oferta promedio
    51 ofertas

    We are looking for a developer to create a Smart Staking Token based on TRC-20. The developer should be familiar with TRC-20, Tokennomics, and Web Wallet Integration to create a functional and economically sound token. The token's total supply will be 54cr, divided among public offerings, dividends, referral awards, management funds, airdrops, etc. This will be hard-coded into the decentralized smart contract. There is a lot more which is impossible to discuss in this job post. The developer should have a good understanding of the cryptocurrency landscape and be able to provide insights into the token design. The candidate should also be familiar with cryptocurrency exchanges/ The successful applicant will work closely with our team to develop a professional website and whitepaper...

    €313 (Avg Bid)
    €313 Oferta promedio
    13 ofertas
    Blockchain script 5 días left

    Im looking for a developer that can build me script.

    €182 (Avg Bid)
    €182 Oferta promedio
    57 ofertas
    Build me Arbitrage Crypto Bot 5 días left

    Hi I am a Crypto trader. I am looking for someone to build me an Arbritage Crypto Bot. I would not be paying for any anything outside of Freelancer all payments will go through here. If you can help please kindly let me know.

    €1544 (Avg Bid)
    €1544 Oferta promedio
    76 ofertas

    Need Fractional NFT market place based on ERC 1155 - NFT minting function (owner only) - Each NFT can connect to uniswap pool - User dashboard

    €603 (Avg Bid)
    €603 Oferta promedio
    26 ofertas
    NFT market place 4 días left

    we need a simple Fractional NFT project based on 1155 erc - NFT minting - Each NFT can connect to uniswap pool - user dashboard

    €608 (Avg Bid)
    €608 Oferta promedio
    27 ofertas

    Looking for 1-2 Senior Solidity Developers, can be part-time (10-20 hrs a week) or full-time: Requirements: * Familiarity with Test-Driven Development. * Have experience developing well-designed REST APIs. * Understanding of Blockchain architectural design patterns as well as supporting infrastructure. * Expertise in providing end-to-end solutions (Life Cycle for infrastructure including SDLC). * Knowledge of ERC20, ERC721, and other protocols. * In-depth knowledge of blockchain logic. * Understanding of fundamental encryption mechanisms. * Experience in peer-to-peer networking. * Understanding of Smart Contracts and consensus techniques, as well as experience developing blockchain apps or proofs-of-concept (POCs) in Solidity on Ethereum. * Hands-on development expertise in the following ...

    €35 / hr (Avg Bid)
    €35 / hr Oferta promedio
    63 ofertas
    NFT project 3 días left

    I need someone who can help me fixing some issues with a nft project

    €538 (Avg Bid)
    €538 Oferta promedio
    54 ofertas

    Here is my platform, I am going to update it with new code and work as well Also going to integrate some platforms on my bridge

    €55 (Avg Bid)
    €55 Oferta promedio
    8 ofertas

    Chcemy stworzyć własną kreptowalute na kodzie ETH bądź innym.

    €2280 (Avg Bid)
    €2280 Oferta promedio
    12 ofertas
    Build a USDT trading website 1 día left

    Looking for an expert blockchain developer who can build the web application to trade USDT by interacting with Networks directly.

    €555 (Avg Bid)
    €555 Oferta promedio
    34 ofertas
    Integrate new screens for dao 1 día left

    ETH chain two screens to integrate to a new design DAO is already working in eth chain. DAO token is LINK NOW, NEED TO CHANGE TO our token screens -

    €19 / hr (Avg Bid)
    €19 / hr Oferta promedio
    35 ofertas
    Dextools trending 20 horas left

    I’m looking for someone that can trend my token on dextools

    €4714 (Avg Bid)
    €4714 Oferta promedio
    11 ofertas
    Update a Nodejs bot -- 2 7 horas left

    1) A: BUY % of Supply but also add B: the max WETH value you are willing to spend must be caped. 2) Deadblocks: True/false. If deadblock is true AND our Buy fails, the bot will continue to listen for the first successful buy trade (from other traders), and sends a buy transaction. If it didn't find a successful buy transaction in X-Seconds then reset. 3) NonActivity_AutoSell: True/false, NonActivity_time: 500 seconds. If no activity (no buys or sells) for X minutes SELL BOUGHT TOKEN. And reset for automagic.

    €184 (Avg Bid)
    €184 Oferta promedio
    29 ofertas

    Hello freelancers, We're looking for a skilled team & individual who can: 1. Complete code refactoring in Solidity, Make a few adjustments to an Ethereum smart contract using Solidity. 2. Integrate (wallet) with 2 WordPress front end (2 sites). 3. Add new special accounts & create a few more conditions. Deadline - we're ready to start as soon as possible once we find the right candidate and the right quote. Skills required: Blockchain, Solidity, ETH, WordPress, React. We have all the information, guidelines & instructions in regards to the project scope available, place a bid if you're interested. More information will be provided via chat. Thanks,

    €3188 (Avg Bid)
    €3188 Oferta promedio
    33 ofertas
    Trophy icon Create a Kucoin Futures trading bot 3 días left

    Hello, We are looking for someone to create a KUCOIN FUTURES trading bot The bot should be able to execute orders in real time, for us to be able to select the token, and have all the many options as attached on the images. You can visit and open a free account at So you can see what we actually need. So for example: ETH USDT if the price decreases by 3% within 15 MINUTES BUY $1,000 as a LIMIT ORDER If the price INCREASES 2% SELL or if the price DECREASES 2% SELL ETH USDT if the price decreases by 10% within 1 HOUR BUY $1,000 as a LIMIT ORDER If the price INCREASES 4% SELL or if the price DECREASES 4% SELL Different options See attached images of examples

    €1056 (Avg Bid)
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