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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    Block chain Technology Exploration project -- 3 6 วัน left
    ยืนยันแล้ว

    ( Apply only if you can start ASAP) I'm in need of a well versed writer in the domain of blockchain technology, specifically with a deep understanding of Smart Contracts and Distributed Ledger Technology. The purpose of this report is to delve into these specific areas, exploring the pivotal details, potential applications, and their advanced functionalities. Key deliverables and capabilities required: • Comprehensive understanding of Blockchain, smart contracts, and distributed ledger technology. • Strong research and analytical skills to explore these aspects thoroughly. • Constructive writing, able to arrange findings in a clear, informative report. • Preferably if you have written blockchain-related reports previously. As this project doesn't specifi...

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    Block chain Technology Exploration project 6 วัน left
    ยืนยันแล้ว

    ( Apply only if you can start ASAP) I'm in need of a well versed writer in the domain of blockchain technology, specifically with a deep understanding of Smart Contracts and Distributed Ledger Technology. The purpose of this report is to delve into these specific areas, exploring the pivotal details, potential applications, and their advanced functionalities. Key deliverables and capabilities required: • Comprehensive understanding of Blockchain, smart contracts, and distributed ledger technology. • Strong research and analytical skills to explore these aspects thoroughly. • Constructive writing, able to arrange findings in a clear, informative report. • Preferably if you have written blockchain-related reports previously. As this project doesn't specifi...

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    Block chain Technology Exploration project -- 2 6 วัน left
    ยืนยันแล้ว

    ( Apply only if you can start ASAP) I'm in need of a well versed writer in the domain of blockchain technology, specifically with a deep understanding of Smart Contracts and Distributed Ledger Technology. The purpose of this report is to delve into these specific areas, exploring the pivotal details, potential applications, and their advanced functionalities. Key deliverables and capabilities required: • Comprehensive understanding of Blockchain, smart contracts, and distributed ledger technology. • Strong research and analytical skills to explore these aspects thoroughly. • Constructive writing, able to arrange findings in a clear, informative report. • Preferably if you have written blockchain-related reports previously. As this project doesn't specifi...

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    Urgent Supply Chain Blockchain Developer 6 วัน left
    ยืนยันแล้ว

    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.

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    I'm seeking an experienced blockchain developer proficient in smart contracts, specifically on the Ethereum platform. My need centers around building a smart contract for a Decentralized application (DApp). Skills and Experience: - Extensive knowledge in blockchain technology and Ethereum platform - Proven track record in developing smart contracts - Experience in building Decentralized applications (DApps) Your task will entail developing, testing, and deploying the smart contract fit for fully seamless integration into our DApp. Please include examples of the similar projects you've worked on in your proposal.

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    Experienced Blockchain developer for NFT project 6 วัน left
    ยืนยันแล้ว

    Job Title: Blockchain Developer Company: ASML Contact: Rob Claassen program manager About Us: ASML is a dynamic and innovative company at the forefront of hardware and software delopment. We are seeking an experienced Blockchain Developer to join our team and contribute to our cutting-edge projects. Position: Blockchain Developer Type: Full-time or Part-time for contract Location: 100% Remote Salary: Competitive, commensurate with experience, $5k ~ $ 8k Requirements: -Proficiency in Smart Contract development -Proficient in Solidity, as the smart contract will be developed in this language -Strong English communication skills -Bachelor's degree in a relevant field -Experience with web development technologies -Knowledge of modern web application design and best practices -Web3 &...

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    Block chain Technology Exploration 5 วัน left
    ยืนยันแล้ว

    ( Apply only if you can start ASAP) I'm in need of a well versed writer in the domain of blockchain technology, specifically with a deep understanding of Smart Contracts and Distributed Ledger Technology. The purpose of this report is to delve into these specific areas, exploring the pivotal details, potential applications, and their advanced functionalities. Key deliverables and capabilities required: • Comprehensive understanding of Blockchain, smart contracts, and distributed ledger technology. • Strong research and analytical skills to explore these aspects thoroughly. • Constructive writing, able to arrange findings in a clear, informative report. • Preferably if you have written blockchain-related reports previously. As this project doesn't specifi...

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    Crypto Arbitrage Bot Developer 5 วัน left
    ยืนยันแล้ว

    I'm in need of a skilled developer to craft a cryptocurrency trading bot that can execute arbitrage trades. The main functionalities of the bot will be to compare prices across different exchanges and exploit any price differences for profit. Specifically, the bot will be designed to work with Binance as the primary exchange. Ideal Skills and Experience: - Extensive experience in developing trading bots, particularly in the cryptocurrency domain. - Proficient in implementing arbitrage strategies within trading bots. - Previous work with Binance API is an advantage. - Strong understanding of cryptocurrency market trends. Key Requirements: - Design and development of a custom crypto arbitrage bot. - Implementation of automated trading rules for arbitrage. - Integration of Binance API ...

    $23 / hr (Avg Bid)
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    I'm seeking an experienced blockchain developer proficient in smart contracts, specifically on the Ethereum platform. My need centers around building a smart contract for a Decentralized application (DApp). Skills and Experience: - Extensive knowledge in blockchain technology and Ethereum platform - Proven track record in developing smart contracts - Experience in building Decentralized applications (DApps) Your task will entail developing, testing, and deploying the smart contract fit for fully seamless integration into our DApp. Please include examples of the similar projects you've worked on in your proposal.

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    Flashloan Project 5 วัน left

    Ich suche jemanden der mir ein Flashloan Programm baut das voll Automatisch Arbeitet. Bitte schauen sie sich die PDF im Anhang an.

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    Blockchain auto bot development 4 วัน left
    ยืนยันแล้ว

    As someone looking to develop a auto bot.... Looking forward to chat for discussion

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    Solidity Developer for Raffle Crypto Project 4 วัน left
    ยืนยันแล้ว

    I am seeking a skilled Solidity developer with experience in creating crypto projects to help me build a raffle platform. Key Project Details: - I need a robust raffle platform that includes a random winner selection system, a ticket purchasing system, and a mechanism for distributing prizes. - You will be working with my specific design in mind, so attention to detail and the ability to implement a pre-existing design is essential. Ideal Skills and Experience: - Proficient in Solidity development - Previous experience with crypto projects - Experience with developing raffle or gambling projects is a plus - Strong attention to detail and the ability to implement a specific design If you are a developer with a good understanding of Solidity, crypto projects, and raffle systems, I w...

    $22 / hr (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. Opportunity for coins as project advisor of issued coins after the completion of the ICO as a success fee. - **ERC-20 Token Creation**: Expertise in generating a secure and functional ERC-20 token, aligned with current standards but also allowing room for custom features down the line. - **Implementation Speed**: Given the urgent nature, I need someon...

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    Bitcoin Payment Processor Development 4 วัน left
    ยืนยันแล้ว

    I am in need of an experienced Blockchain developer with a deep understanding of Bitcoin and other cryptocurrencies. Primarily, the project entails developing a crypto payment processor that supports Bitcoin but can handle other currencies as well. Key functionalities should include: - Transaction confirmation - Payment status update - Conversion to different cryptocurrencies Please note, the design specifics will be provided, so the user interface skills should include ability to work with existing designs. Successful applicants will be those who present extensive experience in similar projects and a high expertise level in Bitcoin specifically.

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    Exsiting metaverse work on Cartoonish 3js Metaverse Development -- 2 3 วัน left
    ยืนยันแล้ว

    I'm looking for an experienced 3js developer who can create an engaging metaverse with a cartoonish art style. The metaverse should be interactive with customizable avatars and support real-time multiplayer gameplay. Features needed: - Interactive Environments: Users should be able to interact with the world and objects within it. - Customizable Avatars: Users should be able to customize their online persona in multiple ways. -Real-time Multiplayer: The metaverse needs to support multiple users interacting in real-time. Interaction: The primary mode of interaction should be through keyboard and mouse controls. A detailed understanding of user controls in a 3D environment is important. Skills and Experience: - Expertise in 3js for creating 3D environments - Experience with creating...

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    Ethereum ERC20 Multisend Smart Contract 2 วัน left
    ยืนยันแล้ว

    I'm looking for a developer with in-depth experience in creating smart contracts on the Ethereum blockchain. Key Requirements: - Develop a multisend smart contract that supports ERC20 tokens. The contract should allow for the distribution of ERC20 tokens to multiple recipients in a single transaction. - Implement pause functionality as a security feature. This is crucial to protect the contract from any potential vulnerabilities or attacks. - We would like to be able to interact with the contract if possible (on etherscan) Ideal skills and experience: - Proficiency in Solidity, the programming language used for Ethereum smart contracts. - Prior experience in developing multisend contracts and incorporating pause functionality. - Knowledge of best practices for smart contract secur...

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    TON Network Blockchain Sniper Web App 2 วัน left
    ยืนยันแล้ว

    I am in need of a proficient developer to create a web application, specifically a sniper app, for the TON Network Blockchain. I am open to the usage of JavaScript, Solidity, and nodejs for this project. I didn't specify the exact features, however, if you have experience with crafting applications of a similar nature, I'd prefer to see your take on it. I have an immediate need for this project, hence it is important that the work is completed as soon as possible. - Key Skills: JavaScript, Nodejs, Solidity - Experience: Previous work on sniper apps or similar projects, familiarity with the TON network blockchain would be highly advantageous.

    $771 (Avg Bid)
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    I am seeking a skilled Blockchain Developer who can create a Smart Contract on the Ethereum platform. The primary function of this smart contract will be to manage and optimize our supply chain processes. Key Responsibilities: - Developing a custom Ethereum smart contract that encapsulates the logic for our supply chain management system - Ensuring the smart contract is secure, efficient, and optimized for our specific use case Ideal Skills and Experience: - Proven experience in developing on the Ethereum platform - Strong understanding of Blockchain technology - Experience in deploying and managing Smart Contracts - Familiarity with supply chain management systems is a plus Please provide examples of previous work related to Ethereum Smart Contracts.

    $35 / hr (Avg Bid)
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    I am looking for an intermediate level blockchain developer with a strong understanding of Ethereum. Key Requirements: - Proficient in developing smart contracts - Experience building decentralized applications (DApps) - Competency in token creation and management The ideal candidate should be able to work with the Ethereum blockchain platform and implement these functionalities effectively. A solid understanding of blockchain technology is essential, as well as the ability to work independently and deliver high-quality code. We are not looking for a beginner, so please apply only if you have the relevant experience and can demonstrate your previous work in this area.

    $43 / hr (Avg Bid)
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    Complete current project 19 ชั่วโมง left
    ยืนยันแล้ว

    Hello. I hope you are doing well. I want to complete my project. My previous developer was unable to continue working on the project and did not share all project information. I and he had an idea for a pre-sale, but I think it's about 80% complete. The idea of completing the project is open to experienced developers, and we hope to complete the project with someone who can both design and build it. I share current version. Please confirm it. If you are interested in my project, please do not hesitate to share your ideas or advice. ( Please check out the project and include in your proposal: total budget, time, schedule for completing one. ) Thanks Timothy

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    I'm representing a travel online agency, looking to expand our services into the web3 space through the Camino Network. We are in need of a skilled developer to assist us with the following services: - Smart Contracts Development: As we transition to the web3 environment, we need to establish secure payment transactions within our system. The ideal candidate would have experience in developing smart contracts for e-commerce, specifically within the travel industry. - System Development for Selling/Buying Travel Services: We are also looking for support in building a robust system for selling and buying travel services. This system should seamlessly integrate with the Camino Network, providing a user-friendly interface for both us and our potential partners. The successful freelance...

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    NFT Marketplace Developer on EVM 3 ชั่วโมง left
    ยืนยันแล้ว

    I need to have a wallet connection feature on existing NFT marketplace. Key Requirements: - You should have a good understanding of NFT marketplaces and blockchain technologies. - Proficiency in Ethereum blockchain development. - Prior experience(Most important) with Web3Auth and wallet connection - Ability to develop a clean and minimalist user interface for the NFT marketplace. Please get in touch if you have the skills and experience to deliver on this project.

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    Expert Zk-snark Developer 2 ชั่วโมง left
    ยืนยันแล้ว

    Looking for a talented and motivated Zero-Knowledge Proofs developer to Implement a working product in a different blockchain. Please understand its a porting job to a new evm chain. If you have experience before in using zk snarks we will get along. This is not an on the job training work. Only interested in people who already done this. I am a dev, so please keep that in mind when you quote and estimate time.

    $36 / hr (Avg Bid)
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    Create a Crypto-Gambling Website (In MERN stack) 3 วัน left
    ยืนยันแล้ว

    I am looking for a skilled developer to create a fully tested and secure website (frontend, backend + admin panel) with no bugs or issues using the MERN Stack. The key features of the front end design include a responsive design, user-friendly navigation, and custom animations. For the backend it would be clean, and fast high quality code with comments and good organisation and readability. The ideal candidate will have experience working with tight deadlines, provide constant high quality updates and be able to deliver quality work within a short timeframe. Tech: Front-end Framework: React.js with + Typescript Styling: Tailwind CSS Back-end Framework: Node.js with Database: MongoDB Goal: Build a cryptocurrency gambling website from PSD + Figma designs and requirements provided and ...

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