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 39,265 nhận xét, các khách hàng đã đánh giá Ethereum Developers 4.83 trên 5 sao.
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    I am looking for a person who can build my USDT/BTC flash application

    $666 (Avg Bid)
    $666 Giá đặt trung bình
    8 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
    17 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 ...

    $34 / hr (Avg Bid)
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    28 lượt đặt giá

    solana nodejs code for multi-swap within same tx.

    $23 (Avg Bid)
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    5 lượt đặt giá
    Full-Service Crypto Exchange Listing 5 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...

    $13320 (Avg Bid)
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    8 lượt đặt giá
    Desktop Wallet Setup for USDT 5 ngày left
    ĐÃ XÁC THỰC

    I'm looking for someone to assist me in setting up a desktop wallet to hold USDT or potentially other cryptocurrencies. I need the wallet setup to be user-friendly and secure. This includes ensuring private keys are well protected and inaccessible by unauthorized users. Key Requirements: - Assistance in setting up a desktop wallet - Ensuring the wallet is user-friendly - Implementing security features to protect private keys Skills and Experience: - Proficient in setting up cryptocurrency wallets on desktop - Knowledge of common security practices in cryptocurrency wallet setup - Ability to explain how to use the wallet in an understandable manner - Experience in handling USDT or other cryptocurrencies is a plus

    $181 (Avg Bid)
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    5 lượt đặt giá
    Smart Contract Developer for Nextjs 5 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...

    $108 (Avg Bid)
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    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...

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    6 lượt đặt giá
    Full Stack Web3 Blockchain Developer 4 ngày left
    ĐÃ XÁC THỰC

    I am hiring for a Full Stack Web3 developer for my team. Tech Stack: Blockchain: Blast (EVM) Frontend: Typescript + NextJS + Tailwind + Vercel + WAGMI + Ethers V5 + Typechain Backend: Typescript + Vercel Lambda + tRPC + AWS + Prisma ORM + Ethers V5 + Typechain + Upstash Redis Database: MySQL (Planet Scale) + AWS S3 Storage Randomization: Gelato VRF Static File Hosting: AWS S3, Pinata Smart Contracts: Foundry, Hardhat Monorepo. Here you go: Objective: Design and implement a scalable backend and frontend system for tracking and displaying NFT transactions similar to the "Activity" feature on OpenSea The system should handle varying loads seamlessly, from 500 to 50,000 users. Tasks: System Architecture Design: Task: Design the overall architecture for the activity tracking sys...

    $7843 (Avg Bid)
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    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.

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    9 lượt đặt giá
    Launchpad Developer Needed 3 ngày left
    ĐÃ XÁC THỰC

    Our company is seeking an experienced developer to build a robust and user-friendly launchpad platform. The ideal candidate will have a strong background in blockchain technology, smart contract development, and platform integration. Responsibilities: - Develop and implement a secure, scalable launchpad platform. - Design and deploy smart contracts for token launches. - Ensure platform security and compliance with industry standards. - Collaborate with the team to integrate the platform with other services. - Provide ongoing maintenance and updates. Qualifications: - Proven experience in blockchain development. - Proficiency in smart contract programming (e.g., Solidity). - Strong understanding of platform security and scalability. - Excellent problem-solving and communication skills. - ...

    $59 / hr (Avg Bid)
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    14 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...

    $2493 (Avg Bid)
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    I am seeking a skilled solidity blockchain developer to create multi-signature smart contracts to handle financial transactions. Key Responsibilities: adding features debugging maintenance - Develop multi-signature smart contracts on the Ethereum blockchain. - Perform thorough testing to ensure contract security and functionality. Ideal Skills and Experience: - Profound knowledge of Solidity and Ethereum blockchain. - Experience in developing and deploying multi-signature smart contracts. - Strong understanding of financial transactions processing. - Familiarity with smart contract testing and debugging. Please show examples of previous smart contracts you've developed, especially multi-signature contracts for financial transactions. Have in mind that a thorough understanding of...

    $22 / hr (Avg Bid)
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    24 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)
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    I require a professional Python script to scrape a website for data. Key Requirements: - The script should be designed for a one-time run - The website does not have JavaScript dynamic content, so the script does not need to handle dynamic content The ideal freelancer for this project should have prior experience in: - Python programming - Web scraping - Handling static web content

    $150 (Avg Bid)
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    15 lượt đặt giá

    I need a blockchain expert to develop a supply chain solution for my retail and manufacturing businesses. The system should have the following characteristics: - **Transparency and Traceability**: The system should allow for real-time tracking of goods and assets along the supply chain. It should provide clear visibility and accountability. - **Smart Contracts and Automation**: I need smart contract functionalities to automate certain processes within the supply chain, such as payment upon successful delivery or triggering alerts for restocking. The ideal candidate should have a strong background in blockchain development with experience in creating supply chain solutions. Knowledge of retail and manufacturing industries is a plus. I need this project completed as soon as possible.

    $170 (Avg Bid)
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    17 lượt đặt giá
    Ethereum Smart Contracts Developer Needed 1 ngày left
    ĐÃ XÁC THỰC

    I'm in need of an experienced blockchain developer who's well-versed in Ethereum platform and smart contracts development. The main goal of this project is to create and implement smart contracts for a real estate-based use case. Key Requirements: - Proficient in Ethereum platform and smart contracts development - Prior experience in developing real estate-based applications is a huge plus - Ability to integrate with other blockchain networks such as Hyperledger or EOS The successful candidate will work closely with me to implement these smart contracts and ensure they meet all the necessary requirements. If you've got a strong background in blockchain development, especially with Ethereum, and a keen interest in real estate applications, I'd love to hear from you.

    $15 / hr (Avg Bid)
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    Job Description: Octal IT Solution LLP are seeking a talented and experienced Blockchain Developer (Web3) to join our team and take a leading role in initiating the development of our Game platform. As a Blockchain Developer, you will be responsible for designing, implementing, and maintaining the blockchain infrastructure and smart contracts that power our platform. You will work closely with our product and design teams to translate requirements into technical solutions and contribute to the overall architecture and development roadmap. Responsibilities: Design and develop the blockchain infrastructure and smart contracts for the Chess Game Platform. Collaborate with the product and design teams to understand requirements and translate them into technical specifications. Implement ...

    $31 / hr (Avg Bid)
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    35 lượt đặt giá

    I'm looking for a skilled blockchain engineer with significant experience in developing ERC20 tokens and NFTs. The purpose of these tokens will be for a medium-complexity gaming project, particularly focusing on in-game economies. Key Responsibilities: - Develop an ERC20 token: You will be responsible for creating a custom token that aligns with the requirements of the gaming project. - NFT Development: You should have a deep understanding of NFTs and be able to create unique, non-fungible assets for the game. Job Specifics: - Purpose: The main intention of these tokens is to be used within a medium-complexity game. - Industry Focus: The tokens are focused on the gaming industry, specifically for in-game economies. Ideal Candidate: - Proficient in ERC20 token development and NFT cr...

    $2855 (Avg Bid)
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    51 lượt đặt giá
    Fix "Participate" Function Issue 20 giờ left
    ĐÃ XÁC THỰC

    Approve is working, but after approving participate function is not working I can sh are the contract address and codebase if you need. After fixing , we will move to next step for revamping this site. If you read , start the proposal with "participate"

    $497 (Avg Bid)
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    I'm in need of a skilled developer proficient in both Binance Smart Chain (BNB) and Ethereum, as the project involves creating a decentralized application on the Binance Smart Chain platform. Key Deliverables: - Develop a user-friendly decentralized application on the Binance Smart Chain platform - Implement necessary smart contracts for the application - Ensure seamless integration and functionality of the application Ideal Skills: - Proficient in Binance Smart Chain (BNB) and Ethereum - Hands-on experience in developing decentralized applications - Strong knowledge of smart contracts - Ability to ensure high-quality integration and functionality - Prior experience in developing for the Binance Smart Chain platform would be a plus Your expertise in BNB and Ethereum will be crucial...

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

    I am looking for a skilled developer who is comfortable working with Nextjs, tailwindcss, and typescript to overhaul gambling site. Although specifics weren't mentioned for this project, the right candidate should be prepared to enhance the user interface, drastically improve performance and speed, as well as meticulously integrate blockchain technology. I want to revampe this website. If you have relevant portfolio, please share . you will be shortlisted Ideally, for this project: - Experience in developing for the online gambling sector is a must - Prowess in Nextjs, tailwindcss, and typescript will be necessary - Proficiency in blockchain technology is crucial - Experience in user interface and UX design may be advantageous By the end of this project, the site should hav...

    $2525 (Avg Bid)
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    57 lượt đặt giá

    I am looking for a skilled blockchain developer who can create a SUI multi sender website for me. This is simple website. The budget is max $100. If you are agree with this budget, please write "I am agree with this budget" in your proposal.

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

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