Ethereum is an open-source distributed blockchain network that enables its users to create smart contracts, build and deploy decentralized applications (DApps) securely, and maintain a digital ledger of transactions without the need for a third-party mediator. An Ethereum Developer is a professional that has a strong understanding of blockchain technology and the necessary programming skills to create smart contracts, develop decentralized applications (DApp), implement crypto wallets and payment systems, and secure associated networks.

Here's some projects that our expert Ethereum Developers made real:

  • Created user authentication and 3rd-party verification systems for web applications
  • Developed secure payment systems and crypto wallets
  • Implemented blockchain-based trading networks
  • Developed smart contracts and token minting protocols
  • Created decentralized registries with publicly viewable records
  • Built bots to purchase tokens within the Ethereum or Binance blockchains

The Ethereum blockchain not only provides the tools for increased security measures but also provides tamper-proof smart contract functionality through which its users can directly interact with each other without the need for intermediaries. Our expert Ethereum Developers have years of experience in creating blockchain solutions for individuals, startups, and established companies. All of Freelancer.com’s vetted Ethereum Developers possess the necessary tech expertise to make any idea into a reality.

So if you have an idea in mind that can benefit from this incredible technology, why not post your project on Freelancer.com to hire an expert Ethereum Developer? Our vast array of qualified developers specialize in building customized solutions on the Ethereum protocol to enable your project’s success. Begin your journey towards production now by posting your project on Freelancer.com!

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    12 jobs found, pricing in NZD

    I'm seeking a skilled developer to integrate Phantom Wallet with my application, specifically for the Solana blockchain. The core functionalities required are transaction signing and token transfer, all through client-side integration. This project will enhance our application's capabilities, allowing users to perform secure transactions directly within our platform. **Requirements:** - Strong proficiency in and JavaScript. - Experience with Phantom Wallet integration. - Deep understanding of Solana blockchain functionalities. - Ability to implement transaction signing and token transfer features. - Knowledge of client-side integration techniques. **Ideal Skills and Experience:** - Previous projects involving cryptocurrency wallets. - Familiarity with Solana's RPC API. -...

    $36 / hr (Avg Bid)
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    69 bids

    Create private fork of the project Connect project to our smart contract Modify smart contract as needed Functions -Get balance -Add coins (only from the IronCircles app) -Transfer coins - Spend coins (transfer back to IronCircles) start proposal with "Flutter/DART"

    $377 (Avg Bid)
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    I have a erc20 token and a staking contract source include dapp .currently it deploy on other evm network .I need to deploy it on mumbai testnet with contract configured and it should work on mumbai testnet

    $259 (Avg Bid)
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    I'm looking for a developer skilled in Solana blockchain technology to create a specialized SPL token that simplifies the tax calculation process for its users. This project is geared towards making tax compliance easier by automating the calculation of taxes directly within the token's ecosystem, accessible through a web interface. Ideal Skills and Experience: - Basic understanding of blockchain and Solana network - Experience in creating SPL tokens - Proficient in developing web interfaces - Knowledge in implementing automatic tax calculation features - Ability to integrate the token functionality with a user-friendly web interface - Familiarity with tax laws and calculation methods is a plus, but not required Project Requirements: - Develop a Solana SPL token with the capabi...

    $5 / hr (Avg Bid)
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    I am seeking an expert to guide me through the intricacies of managing a DAO effectively, with a focus on the Solana (open to all networks)blockchain. My comprehension of onchain governance is presently limited, necessitating a proficient consultant to educate me on the optimal practices for DAO management, including the choice of blockchain, arranging voting systems, and navigating the legal landscape. **Ideal Skills and Experience:** - **Comprehensive Knowledge of DAOs:** Deep understanding of decentralized autonomous organizations, especially within the Solana ecosystem. - **Blockchain Expertise:** Proficiency in Solana, including its advantages for implementing DAOs. - **Voting Mechanisms Insight:** Experience in setting up fair and effective voting systems within a DAO framework. - ...

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    I am looking for an expert in blockchain dev to deploy an ERC404 token urgently. The timeline is crucial, so I need someone who can commit to a 24-hour delivery. First, understand ERC404 token standard (Different from ERC20) Check: After checking, please fork this contract: contract: Note that since different ERC404 token is associated with different NFTs, when you are forking the above contract, make sure to use our project NFT image

    $732 (Avg Bid)
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    We need an experience freelancer with a track record in Pre Sales and Smart Contracts. We need a crypto Web-3 Blockchain expert to develop an ERC pre-sale contract with in-built affiliate system. This intriguing project will entail: - Smart contract deployment: Your service in creating and deploying a solid, secure ERC token pre-sale smart contract is required. - Affiliate tracking system: An embedded affiliate program with tracking mechanism is part of this project. It needs to support a fixed percentage per sale. - Token distribution mechanism: Necessary for distributions after funds are raised. This contract's pre-sale duration is yet to be determined. Therefore, the contract should be flexible to accommodate a change in duration. Project: Crypto ERC Pre-Sale Contract with Af...

    $1408 (Avg Bid)
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    Crypto-Enhanced Booking System 22 hours left
    VERIFIED

    I'm looking to integrate a cutting-edge Crypto Booking system into my existing platform, Website A. This project is centered around a novel concept—enabling users to book and list rental services using various cryptocurrencies. It's an ambitious endeavor to blend traditional online booking capabilities with the dynamic world of blockchain payments. **Key Features Required:** - **Crypto Payment Integration**: Enable transactions using cryptocurrencies like USDT, Solana, ETH, and BNB. - **Listing and Booking Rental Services**: Users should be able to list their services for rent and others to book them, all payable with selected cryptocurrencies. - **Seamless User Experience**: Ensuring that the process of listing, booking, and paying with cryptocurrencies is smooth and user...

    $103 (Avg Bid)
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    Boost Digital Art NFT Sales 4 hours left
    VERIFIED

    I am looking for a driven and experienced professional to expedite the promotion of my digital art NFTs. The primary goal is to increase sales effectively and rapidly. ## Required Skills * Profound understanding of the NFT marketplace * Proven experience in promotional techniques and sales enhancement * Expertise in targeting specific audiences interested in digital art NFTs ## Application Requirements It's crucial to your application to include: * Evidence of prior work relevant to NFT sales promotion * Demonstrations of previously managed successful promotional activities By propelling these unique digital art NFTs into the market, we aim to increase sales significantly. If you have the necessary experience and skills, I look forward to seeing your application.

    $199 (Avg Bid)
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    ICO experience only. I'm seeking an experienced blockchain developer to create an ERC-20 token with the goal of launching a new cryptocurrency. The token will be the backbone of the startup www.infinidium.ca. Infinidium is revolutionizing datacenter/cryptomining cooling infrastructure and energy efficiency performance with the worlds first patented server cooling system which, requires no energy while producing power from waste heat. I am looking for a partner that will be compensated by success fee of $25,000 cash and with 1% of issued coins after the completion of the ICO as a success fee and has the following capacity: - **ERC-20 Token Creation**: Expertise in generating a secure and functional ERC-20 token, aligned with current standards but also allowing room for custom feature...

    $83036 (Avg Bid)
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    I’m a client seeking services in acquiring and managing cryptocurrencies. I'm interested in three specific types which are Bitcoin, Ethereum, and Tether. The aim is not for active trading, but for a longer-term buy-and-hold strategy. Key responsibilities: - Procuring Bitcoin, Ethereum, and Tether. - Management of these cryptocurrencies in an online wallet system. Ideal skills and experience: - Degrees or certifications in finance, economics, or a related field - Strong knowledge of cryptocurrency markets - Experience managing online wallets for cryptos - Understanding of long-term cryptocurrency storage strategies.

    $464 (Avg Bid)
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    21 bids

    I need a well-versed blockchain expert to develop an ERC pre-sale contract with in-built affiliate system. This intriguing project will entail: - Smart contract deployment: Your service in creating and deploying a solid, secure ERC token pre-sale smart contract is required. - Affiliate tracking system: An embedded affiliate program with tracking mechanism is part of this project. It needs to support a fixed percentage per sale. - Token distribution mechanism: Necessary for distributions after funds are raised. This contract's pre-sale duration is yet to be determined. Therefore, the contract should be flexible to accommodate a change in duration. Project: Crypto ERC Pre-Sale Contract with Affiliate Capability. Are you an experienced Web-3 Developer? We are in need of a ERC Pre-...

    $2553 (Avg Bid)
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    29 bids

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