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!

Từ 39,275 nhận xét, các khách hàng đã đánh giá Ethereum Developers 4.82 trên 5 sao.
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    16 công việc được tìm thấy, giá theo USD
    Dextool/ Dexscreener Clone 6 ngày left
    ĐÃ XÁC THỰC

    I'm looking for a skilled developer to create a Defi similar to Dextool/Dexscreener. The project will require a comprehensive understanding of cryptocurrency markets, and the ability to create a robust tracking and information system. Ideal skills and experience for this project include: - Proficiency with real-time data integration - Extensive experience with cryptocurrency-related projects - Strong analytical and problem-solving skills - Familiarity with blockchain technologies - The ability to design and develop user-friendly interfaces I need a clone of Dexscreener for the BASE chain. a. We need to pull data from various AMMs like UniSwap, base swap, Alien Base, PCS b. Display those data in our design which is pretty much similar to Dexscreener c. Dex supports many Blockch...

    $4459 (Avg Bid)
    $4459 Giá đặt trung bình
    7 lượt đặt giá
    Trophy icon Tron Smart Contract Developer 4 ngày left

    We are looking for a skilled Tron developer to join our team and help develop a smart contract for a wallet application. The ideal candidate should have experience with Tron blockchain development and be familiar with BIP 39 or BIP 44 for address generation. Responsibilities: 1) Develop a smart contract on the Tron blockchain for a wallet application. 2) Implement functionality for address generation using BIP 39 or BIP 44. 3) Ensure that fees for all wallet transactions, including sending TRX or any ERC10 or ERC20 tokens, are deducted from a specified multiple accounts assigned in the smart contract, and not from user. 4) Also user need to pay the fees to the contract as an escrow, i.e. user will not pay the transaction fee, the transaction fee will be paid by the assigned accounts in ...

    $1000 (Avg Bid)
    Bảo đảm
    $1000
    1 bài tham dự
    Web3 Crypto Sports Betting Site Creation 6 ngày left
    ĐÃ XÁC THỰC

    I'm in need of a skilled web developer to create a web3 crypto sports betting website for me. The site should have the following features: - User registration and login system - Real-time odds for different sports like Football, Basketball, Tennis, and Cricket - Support for multiple cryptocurrencies for betting Additionally, I'd like the site to have the functionality to: - Offer a cash-out option - Seamlessly integrate with social media platforms Ideal candidate should have experience in developing betting websites, be knowledgeable in web3 and cryptocurrency integration, and have a good understanding of the sports betting world. Your design should be user-friendly and secure. Looking forward to your bids.

    $641 (Avg Bid)
    $641 Giá đặt trung bình
    27 lượt đặt giá

    I'm in need of a skilled individual who is proficient in blockchain and wallet analysis, specifically on the Arbitrum blockchain. The project involves analyzing transaction patterns and wallet balances and activities. Key Requirements: - Proficiency in blockchain analysis, particularly on the Arbitrum blockchain - Ability to identify patterns and trends in transactions - Proficient in analyzing wallet balances and activities Deliverables: - A comprehensive report that includes methodology, analysis, and conclusion - The report should be presented in a combination of written format and visual presentation (charts and graphs) Please note that I will provide you with access to the necessary pages and data on Arbiscan. Your task will be to fetch data, analyze it, and present it in a d...

    $11 (Avg Bid)
    $11 Giá đặt trung bình
    5 lượt đặt giá

    I'm looking for an experienced NFT specialist who can sell unique NFTs. The ideal candidate for this task would be deeply familiar with the OpenSea platform, as this is my preferred marketplace for NFT sales. They should have a good understanding of how to market and cater to a diverse target audience including art collectors, crypto enthusiasts, and the general public, as well as traders and investors. To successfully carry out this project, the freelancer will need: - Expertise in NFTs and the digital asset landscape - Strong familiarity with the OpenSea platform and other NFT marketplaces - Proven experience in digital marketing and sales - Adequate understanding of art, crypto, and the general public's interests - An ability to connect with potential collectors, crypto enth...

    $2356 (Avg Bid)
    $2356 Giá đặt trung bình
    15 lượt đặt giá

    I have a Uniswap Swap Widget integrated on my web platform built using React. The widget is currently facing connectivity problems that need to be addressed. Uniswap Swap Widget It use Metamask and Wallet Connect , I want change it Rainbowkit connector It need to complete in few hrs Ideal Skills and Experience: - Proficiency with React and Uniswap - Experience in fixing connectivity issues in web platforms - Understanding of how to integrate and troubleshoot widgets The task mainly involves identifying the root cause of the connectivity issue, and implementing a reliable fix that ensures the widget functions correctly. Experience with similar projects or Uniswap integration will be a strong plus.

    $90 (Avg Bid)
    $90 Giá đặt trung bình
    12 lượt đặt giá

    I am looking for a person who can build my USDT/BTC flash application

    $656 (Avg Bid)
    $656 Giá đặt trung bình
    12 lượt đặt giá

    We are seeking a skilled Frontend Developer to integrate a staking smart contract with a React frontend page for interaction. The project involves combining a pre-existing staking smart contract, staking React page, and token contract to create a seamless user experience. The necessary components including the staking contract, staking react page and token contract have already been prepared. Initially, we will conduct trials on the Sepolia testnet or other testnet to ensure all systems are operational before launching on the Ethereum mainnet. I have already source code for UI. If you're a skilled Frontend Developer with a passion for blockchain and smart contracts, please submit your resume and a brief cover letter explaining your experience and qualifications for the position. We ...

    $36 / hr (Avg Bid)
    $36 / hr Giá đặt trung bình
    22 lượt đặt giá

    We are seeking a skilled Frontend Developer to integrate a staking smart contract with a React frontend page for interaction. The project involves combining a pre-existing staking smart contract, staking React page, and token contract to create a seamless user experience. The necessary components including the staking contract, staking react page and token contract have already been prepared. Initially, we will conduct trials on the Sepolia testnet or other testnet to ensure all systems are operational before launching on the Ethereum mainnet. I have already source code for UI. If you're a skilled Frontend Developer with a passion for blockchain and smart contracts, please submit your resume and a brief cover letter explaining your experience and qualifications for the position. We ...

    $35 / hr (Avg Bid)
    $35 / hr Giá đặt trung bình
    36 lượt đặt giá

    solana nodejs code for multi-swap within same tx.

    $21 (Avg Bid)
    $21 Giá đặt trung bình
    8 lượt đặt giá
    Full-Service Crypto Exchange Listing 4 ngày left
    ĐÃ XÁC THỰC

    Hello, Our Coin: Jeeter on sol Coin symbol: $JEET Uniqueness: Dev Livestreamjng 24/7 I am looking for someone who can help out meme coin get listed on top 10 crypto exchanges, 1. Binance 2. Bybit 3. OKX 4. Upbit 5. Kucoin 6. 7. HTX 8. BITFINEX 9. MEXC 10. Bitget 11. Bitstamp For eaxh exchange that get listed your payment will be $2000 USD I'm seeking a comprehensive service to cryptocurrency on an exchange. I am in need of an expert who can handle not only the technical aspects of listing but also the legal and compliance side of the process. Key requirements: - Listing for Bitcoin, Ethereum, Binance, Kucoin, , Bingx - Full-service listing package Ideal Skills and Experience: - Proven track record in successfully listing cryptocurrencies on various exchanges - Expertise in l...

    $14869 (Avg Bid)
    $14869 Giá đặt trung bình
    11 lượt đặt giá
    Smart Contract Developer for Nextjs 3 ngày left
    ĐÃ XÁC THỰC

    I'm in need of a talented Nextjs Developer to work on smart contract development specifically for Ethereum using the base l2 network Key Requirements: - Nextjs Expertise: You should have a strong understanding of Nextjs to help with the frontend development of the smart contract. - Ethereum Proficiency: I'm looking for a developer who is well-versed with Ethereum, as this will be our base network for the smart contract. - Solid Smart Contract Experience: You should have experience in developing smart contracts preferably in the blockchain space. Your responsibilities will include: - Implementing the smart contract on the Ethereum network, ensuring it works seamlessly with the Nextjs frontend. - Collaborating with our team to ensure the project meets our requirements and specif...

    $148 (Avg Bid)
    $148 Giá đặt trung bình
    26 lượt đặt giá

    I'm completely new to crypto mining but I have a strong interest in it. My main goal is to generate passive income through this method, but I'm also eager to learn more about the technology and support the network. I'm looking for a consultant who can guide me through the following aspects of crypto mining: • Mining hardware selection: I need assistance with understanding what kind of hardware is necessary for efficient mining. • Mining software setup and configuration: I require help setting up and configuring the mining software on my hardware. • Mining profitability analysis: I would like a detailed breakdown of the potential profitability of my mining operation, including the costs and potential returns. Ideal skills and experience for this job would in...

    $2418 (Avg Bid)
    $2418 Giá đặt trung bình
    6 lượt đặt giá

    I'm completely new to crypto mining and eager to start my own operation. I'm seeking an expert to guide me through the essentials. Key Project Deliverables: - Explanation of the crypto mining fundamentals - Recommendations on hardware selection - Assistance with software configuration - Tips on optimizing energy efficiency The ideal candidate should have: - Extensive experience with crypto mining - Proficiency in hardware and software selection - Knowledge of energy-efficient setups - Strong teaching and communication skills Ultimately, I'm looking for someone to mentor me through the process, ensuring I start my crypto mining operation on the right foot.

    $2839 (Avg Bid)
    $2839 Giá đặt trung bình
    9 lượt đặt giá

    I'm seeking an adaptable and experienced blockchain developer. Details regarding my specific project requirements, such as needed skills and exact blockchain platform, remain undisclosed at this time. However, be assured that it necessitates a wide range of capabilities within this field. Your understanding of numerous aspects of blockchain technology will be beneficial. - An ability to work autonomously and navigate through varying project details. - Proficiency in smart contract development, cryptocurrency development and blockchain platform integration would be advantageous. - Experience in Ethereum, Hyperledger Fabric, Corda or related platforms is desirable. - Usage of blockchain for various purposes like cryptocurrency, supply chain management, identity verification etc. will a...

    $2475 (Avg Bid)
    $2475 Giá đặt trung bình
    38 lượt đặt giá

    I am seeking a proficient blockchain developer who can assist me in creating a gaming-focused decentralized application (DApp) on the Ethereum network. Key Responsibilities: - Design and develop a user-friendly, interactive DApp that caters specifically to gaming - Ensure the DApp is secure, reliable, and performs efficiently on the Ethereum network - Collaborate with me to bring creative and innovative ideas to life in the DApp The ideal candidate should have: - Proven experience in developing DApps on the Ethereum network - A strong understanding of blockchain technology, smart contracts, and the Ethereum ecosystem - Prior experience in gaming-focused DApp development is highly preferred - Excellent communication skills and the ability to work collaboratively

    $4397 (Avg Bid)
    $4397 Giá đặt trung bình
    38 lượt đặt giá

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