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    147 trabalhos encontrados, preços em EUR
    Baby Trader Joe 6 dias left

    I have a website that is unable to integrate a metamask connection via web3. You also need a buy button, in which the contract will be inserted. I'm willing to pay you if you can do it for me. There is an example of a site with dapp, as I would like to see it, and my site, on which I am trying to implement this. [fazer login para ver a URL] P.S. Avalanche network

    €111 (Avg Bid)
    €111 Média
    1 ofertas

    We want to integrate blockchain technology within an existing product. This requires extended research, investigation and understanding of the concept to verify the possible operation. The objective of the blockchain integration research is the enhancement of security of our existing product. We will explain you more in detail as this concerns a confidential project. Budget $800

    €878 (Avg Bid)
    €878 Média
    13 ofertas
    Crypto wallet 6 dias left

    I would like to make a iOS and android crypto exchange wallet that look similar to the Image below and also hosts my coin. Please only apply if you have created something similar before

    €393 (Avg Bid)
    €393 Média
    17 ofertas
    Help Setting Up NFT 6 dias left
    VERIFICADO

    Hey Freelancers, I'm looking for someone with background in creating NFT's. If you have experience creating NFT's, I want to hear from you. I am looking to build something similar to this link. So like baseball cards, but for a different product we sell. [fazer login para ver a URL]

    €10 / hr (Avg Bid)
    €10 / hr Média
    6 ofertas

    I am going to fix my bep-20 token. I already discuss all details with dophine

    €540 (Avg Bid)
    €540 Média
    2 ofertas

    I am going to fix my bep-20 token. I already discuss all details with dophine

    €2570 (Avg Bid)
    €2570 Média
    1 ofertas
    deploy my ethereum token NOW 6 dias left
    VERIFICADO

    work over zoom so i can watch u

    €32 / hr (Avg Bid)
    €32 / hr Média
    9 ofertas

    Assistance for associating METADATA with my NFT: json file ready but don't know how and where to upload it on NFT marketplace like Opensea

    €165 (Avg Bid)
    €165 Média
    11 ofertas
    NFT Strategy Consultation 6 dias left
    VERIFICADO

    NFT Consultation Brief We are looking for an individual with advanced knowledge of blockchain to advise us on the following: - What blockchain platform would be suitable to deliver a Japan, and Australia (independently) NFT product using live sports content - Assessed for speed, scalability, manage large volumes, cost efficient and easy to manage / adapt with changes - What is the advice for ho...

    €631 (Avg Bid)
    €631 Média
    12 ofertas
    make automatic Ethereum payments 6 dias left
    VERIFICADO

    make automatic Ethereum payments

    €32 / hr (Avg Bid)
    €32 / hr Média
    18 ofertas

    I am looking for a solidity developer that can help me finish a small project. The contracts should be simple solidity code and the job should be short duration. Will compensate well for a short term project. I am looking for an experienced solidity developer with smart contract expertise and a knowledge of the DeFi space. Deliverables -create two solidity smart contracts; optimized for gas and s...

    €521 (Avg Bid)
    €521 Média
    10 ofertas

    Para un curso online de Solidity y Truffle que estoy haciendo necesito desarrollar un Smart Contract simple de pago entre tutores y alumnos. Hay algunas condiciones lógicas, es decir, que la plata se libera cada vez que hay una clase, y si pasa un tiempo sin haber clases, se le puede devolver la plata al alumno. Mas que nada necesito guia y ayuda ya que puedo hacer parte del proyecto, pero ...

    €1050 (Avg Bid)
    €1050 Média
    4 ofertas
    NFT Projects 6 dias left

    I need an NFT Expert here in freelancer who have Solid Experience In NFT Projects Like NFT Art, NFT Marketplace, NFT Website, NFT Token, NFT Blockchains, NFT Minting Website, NFT Artworks Collection , Smart contract and Other NFT Projects

    €667 (Avg Bid)
    €667 Média
    5 ofertas

    I am looking for a solidity developer that can help me finish a small project. The contracts should be simple solidity code and the job should be short duration. Will compensate well for a short term project. I am looking for an experienced solidity developer with smart contract expertise and a knowledge of the DeFi space. Deliverables -create two solidity smart contracts; optimized for gas and s...

    €464 (Avg Bid)
    €464 Média
    22 ofertas
    Ethereum miner 6 dias left

    Looking for a skilled ethereum miner have a $75,000 set up ready to go Candidate must be based in the USA, priority given to Florida.

    €43 / hr (Avg Bid)
    €43 / hr Média
    5 ofertas
    Forex management 6 dias left

    Hello, We need an account manager to manage our company's broker account worth $10000 equity only experience bidders should bid

    €1090 (Avg Bid)
    €1090 Média
    7 ofertas

    Hello, We're building a large scale NFT Game from scratch and looking for an experienced developer (or a Dev team) who can help us in long term. I'll provide more details about the game plan to the right candidates Thanks

    €31 / hr (Avg Bid)
    €31 / hr Média
    35 ofertas

    I have a cryptocurrency exchange site that is coded in javascript and react it uses web3 requests to communicate with private blockchain on ganache. I have built orderbook system but we need matching engine. Matching engine - Must run on backend - Can be nodejs, python or any other language - must be able to handle multiple tokens/contracts (1-6000 contracts) - must be able to log and execute ord...

    €347 (Avg Bid)
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    14 ofertas
    Blockchain developers required 5 dias left
    VERIFICADO

    Looking for blockchain developers who have experience and already developed pancake swap fork. solana and cardano experience is plus plutus and heskle knowledge is plus point. please bid only individual freelancers who are ready to start work immediately.

    €2035 (Avg Bid)
    €2035 Média
    6 ofertas

    I need help with the following: UI integration Bot integration for auto harvest Test smart Contract

    €615 (Avg Bid)
    €615 Média
    8 ofertas
    Article project 5 dias left

    It's 11 title project , field - Technical, Sport, Nutrition, and Ayurveda or ancient spices Word - technical - 1800 Sports - 1400 Nutrition - 2000 Ayurveda - 1600 Latest incident and news with exciting heading 20 words in per paragraph don't use repeat words

    €1530 (Avg Bid)
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    38 ofertas

    first thing first the colors and logo I have to add the icon here the icon have the colors I want you to use and the logo is for the website I want you to make the classic swap but with a little bit of a twist we could add a graph like in dodo [fazer login para ver a URL] but I want the swap to be a little bit more to the pacnacswap side just more smooth has for the lottery I like the pancakeswap ...

    min €43 / hr
    min €43 / hr
    0 ofertas

    Hi, I'm looking for a blockchain developer who's able to build Smart Contracts with Etheruem 2.0 client, It will be developed on Kusama blockchain network. Kusama blockchain is deployed on Shiden blockchain network (Smart contract needs to be developed on there) Would you be able to assist?

    €889 (Avg Bid)
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    15 ofertas

    Need WordPress every kind of article site where people find informative knowledge and latest newsletter Need on page and off page SEO with 3 month support

    €1846 (Avg Bid)
    €1846 Média
    68 ofertas

    Need WordPress site where people find informative knowledge and latest newsletter Need on page and off page SEO with 3 month support

    €1855 (Avg Bid)
    €1855 Média
    73 ofertas

    We are launching a collection of 10,000 NFTs and want an experienced developer on board. Metamask functionality on minting. We will be holding a presale and public [fazer login para ver a URL] requirement is someone who has proof they have worked on similar projects. Website development, React, Ethereum and Solidity requirement is a must! ONLY EXPERIENCED DEVELOPERS WHO CAN PROVE PROJECTS AND...

    €9686 (Avg Bid)
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    24 ofertas

    Need help want my brand to have a crypto community as well. I am not sure how to get started with this blockchain stuff but I have a current website on traditional code and programming. If you are familiar with smart contracts and building a decentralized exchange and website please apply. Examples are strongly recommended.

    €1831 (Avg Bid)
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    35 ofertas

    IMPORTANT: Your Experience, Explain your charge in your experienced links. ----------------------------------------------------- Looking for a blockchain developer who has experience in Ethereum, Deapp, Defi, NFT tokens marketplace, and etc. When applying to this job, add your experienced deapp and defi links and write down your roles in them. Thanks

    €33 / hr (Avg Bid)
    €33 / hr Média
    21 ofertas

    Looking for a skilled full stack developer with high knowledge in the crypto development area. We're looking to complete our custom crypto dashboard, and have more details to give upon further contact. Required Skills - - RUST/Solana/DEX (with custom wallets) - Backend Nodejs/Express - Frontend Reactjs - Dashboard development - API integration and developments - Above and beyond atti...

    €4123 (Avg Bid)
    €4123 Média
    17 ofertas

    Blockchain developer require familiar with smart-contract development with solidity

    €1073 (Avg Bid)
    €1073 Média
    36 ofertas

    Libertum es una StartUp en sus inicos y se busca talento humano que quiera emprender en este mundo tecnologico; atreviendose ser parte del equipo fundador en el sector de desarrollo de sofware. Se recomienda saber hablar español. More info: [fazer login para ver a URL]

    €2 - €3 / hr
    €2 - €3 / hr
    0 ofertas
    Need A Story For News 5 dias left
    VERIFICADO

    We need someone with journalism background to write a piece of story to promote an NFT. Please show us some of your previous work.

    €12 (Avg Bid)
    €12 Média
    19 ofertas

    We are looking for an experienced Blockchain developer to deliver on this introductory, short-term project with well-defined scope. If successful, additional work will follow. Scope: Polygon chain only Input: Coin ticker (e.g. POLYDOGE) Hash of a blockchain transaction involving the coin (e.g. 0x03084b9a82b34d7b815931fd200ff950b65189e9748efde42808cd1939ef8678) Output: Historical price of the c...

    €1027 (Avg Bid)
    €1027 Média
    28 ofertas

    Looking for a skilled full stack developer with high knowledge in the crypto development area. We're looking to complete our custom crypto dashboard, and have more details to give upon further contact. Required Skills - - RUST/Solana/DEX (with custom wallets) - Backend Nodejs/Express - Frontend Reactjs - Dashboard development - API integration and developments - Above and beyond atti...

    €3697 (Avg Bid)
    €3697 Média
    19 ofertas

    I need a blockchain developer who has experience in Ethereum, Deapp, Defi, NFT tokens, and etc. When applying to this job, add your experienced deapp and defi links and write down your roles in them. Thanks

    €30 / hr (Avg Bid)
    €30 / hr Média
    22 ofertas
    Crypto exchange website 5 dias left
    VERIFICADO

    I want a crypto exchange website done that deals with popular currencies and blockchains like ERC, BTC and BSC. The website must allow users to create profiles and buy and sell tokens. It must also have live trading data and charts. It must allow the admin to manager users and add or remove tokens. The website must also include a KYC solution.

    €2088 (Avg Bid)
    €2088 Média
    77 ofertas

    Hello, I'm looking for an experienced solidity developer who can develop smart contracts for NFT game. There will be technical interview to shortlist candidates. Thanks

    €18 / hr (Avg Bid)
    €18 / hr Média
    30 ofertas

    We are looking for a developer who can build and deploy a smart contract with the following functionality: - NFT smart contract (ERC-721) - When the mint function is triggered, the smart contract must call an external API (probably through Chainlink) and will receive as a response a URL to the IPFS JSON file. This URL must be saved as the URI metadata of the NFT. Behind the API we have a physical...

    €4117 (Avg Bid)
    €4117 Média
    18 ofertas

    Create Solana Smart Contract for NFT Collection - Create smart contract - Integrate button on our NFT landing page website linking to Phantom - Create the minting randomising We need somebody who can start immediately on this. We have the artwork ready to go.

    €1135 (Avg Bid)
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    14 ofertas

    anyone that is interested should dm me now for discuss

    €1161 (Avg Bid)
    €1161 Média
    10 ofertas

    We have built a great DeFi project called Blue Swan. Currently, we are looking for a front-end developer with strong DeFi concept. Experience with cryptocurrency and blockchain technology is strongly required. We will go on hiring process with candidates who can work out the following assignment. Actually you are not forced to do any coding, just solution is okay since this is to make sure if you ...

    €139 (Avg Bid)
    €139 Média
    4 ofertas
    Dapp DeFi on BSC 4 dias left
    VERIFICADO

    Hello, We already have our Token smart contract on binance smart chain, we need Dapp's for selling our token before presale, or any public listing. We want to target non-crypto user, can also buy our token directly form our Dapp, via local currency. Can this is possible? Best Regards

    €370 (Avg Bid)
    €370 Média
    5 ofertas

    We are looking for a blockchain developer who has experiences in crypto wallet like metamask, connect wallet, dapper etc

    €150 (Avg Bid)
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    25 ofertas
    Opensea NFT Minting 4 dias left
    VERIFICADO

    I have 10000 digital art I need developer who can mint these to Opensea and build smart contract for ethereum.

    €2331 (Avg Bid)
    €2331 Média
    24 ofertas

    Hey! Looking for a blockchain developer to help integrate some blockchain functions in our app. We are building a crypto quiz app in the style of HQ trivia but with crypto rewards. Most of the front end of our app and also back-end in terms of live-streaming and stuff like that is mostly done but we want to integrate a bunch of features that we need a solid blockchain dev for. So, what we ne...

    €3965 (Avg Bid)
    €3965 Média
    12 ofertas
    rinkeby experienced developer 4 dias left
    VERIFICADO

    I need developer who has experience about rinkeby testnet

    €21 / hr (Avg Bid)
    €21 / hr Média
    3 ofertas

    Hello, We are based in Bhopal and listed in top 3% freelancer community, looking for an individual or a dedicated company that works on blockchain technology, preferred locations are Bhopal and Indore, though not limited. From past 5 years we have been working as Outsourcing company, planning to shift to Web 3 and blockchain associated project as freelancer contacted to there top most PF to be p...

    €1685 (Avg Bid)
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    4 ofertas

    Fix Delegate Section of web3 app that interacts with a Songbird Network Smart contract where users can delegate to price oracles using the wrapped songbird tokens. Currently there is a request in the script that is being block by CORS causing a "Network error" The website where the files are hosted is [fazer login para ver a URL]

    €17 / hr (Avg Bid)
    €17 / hr Média
    8 ofertas

    Dear freelancers, We are looking for a Web3/Solidity developer to help launch a NFT generative-avatar project on the Ethereum blockchain. The project will generate 10,000 unique avatars from a combination of traits each with different rarities. This job will require: - Minting website (frontend + backend) with MetaMask integration. - Smart contract for minting (ERC720). - IPFS integration and fi...

    €947 (Avg Bid)
    €947 Média
    42 ofertas
    Build me a Dapp 4 dias left

    I want to create a Dapp on Etherium using IPFS and Filecoin. I want an estimation of what this basic Dapp may cost.

    €467 (Avg Bid)
    €467 Média
    11 ofertas

    Artigos da Comunidade dos Principais Ethereum