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!

From 32,906 reviews, clients rate our Ethereum Developers 4.79 out of 5 stars.
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    15 jobs found, pricing in INR

    I need a Quorum blockchain developer to connect existing nodes with my main node. You should have experience in Genesis block, Geth. This task needs to be done asap. Please only bid on this project if you’re sure.

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    About Us: We are an innovative startup dedicated to environmental projects aimed at mitigating CO2 and methane emissions in the atmosphere. Our mission is to create tangible solutions to combat climate change and promote sustainability for future generations. Our Mission: At our core, we are driven by the urgent need to address the environmental challenges facing our planet. By leveraging cutting-edge technology and creative solutions, we strive to reduce greenhouse gas emissions and foster a healthier, more sustainable environment. What We Offer: As part of our commitment to making a positive impact, we are embarking on an ambitious endeavor to develop a cryptocurrency tailored to funding our environmental projects. This cryptocurrency will serve as a groundbreaking fundraising tool, empo...

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    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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    I'm venturing into a new enterprise that will greatly benefit from the development of a unique cryptocurrency token. The token will be primarily used for fundraising purposes which will fuel our project's growth and expansion. Key Project Information: • Blockchain Platform: Ethereum – developers who have a robust knowledge of ERC20 or ERC721 token standards should apply. • Primary Function: Fundraising for a project – not a loyalty scheme or transaction token so emphasis is on security and coin value growth potentials. • Business Use: This project has commercial applications, being for the kickstarting of a new enterprise I’m working on, hence, commercial insight would be invaluable for the successful development and launch of our coin. Desire...

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    I want to develop a Broswer where users can win Token as rewards for watching Advertisement on the browser. I will share more details in personal communication

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    I'm building a model that requires me to have the original English contract with the converted paired Solidity Smart Contract. I'm going to need a lot of these pairs and they have to be accurate. I can't seem to find them anywhere. I found a good dataset on Github, but it didn't have the accompanying English original contracts, so I can't train the model on them. Is anyone good at tracking down datasets on the web, or somehow have access to thousands of these pairings of English contracts and Solidity Smart Contracts?

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    I want a manual approval dex where users cannot instantly add their tokens to the dex. Users will need an audit by a selection of preferred auditors from a list. No fee required for listing but we will have to manually approve. Will also need a token developed for the project with taxes and dex token will be default on the home page. Layout will have a chart integrated but users can decide to hide chart. Will be very modern design and responsive. Fees will go to admin. Holders of project token will not pay tx fees. Dex will trade eth and bsc pairs. Users will choose which network and will be able to trade eth pairs with eth network and bsc pairs on bsc.

    ₹125684 (Avg Bid)
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    I'm seeking an experienced Web3 developer to craft a functional Python script to fetch Ethereum transaction data using API. The needed data includes both the transaction history and specific transaction details. Ideal Candidate: - Strong proficiency in Python/Javascript and familiarity with API handling - Expertise with Web3 and Ethereum blockchain actions - Ability to work efficiently and deliver a high-quality, reliable script Your role will be to: - Write a Python script that uses the Web3 API to fetch Ethereum transaction data - Ensure the script successfully fetches transaction history and transaction details - Test the script to ensure it's performing efficiently and accurately Even though I've not specified any filtering features, having a previous experience wit...

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    I'm looking for a highly capable CEO and CMO for a 3 to 6-month project in the Web3 space. The ideal candidates will demonstrate excellent communication skills and deep knowledge and experience in the following areas: - Strategic planning and decision-making: You'll guide the strategic direction of our Web3 project, evaluating different pathways and making decisions that set us up for success. - Marketing and brand management: Tasked with crafting a compelling brand story, you'll target appropriate marketing channels and engage our audience effectively. - Business development and partnerships: You'll leverage your expansive network and negotiation skills to build partnerships that add value and foster growth for our Web3 project. If you're an ambitious leader w...

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    React Web3 Engineer 2 days left
    VERIFIED

    Job Title: Full-Stack Web3 Wizard for SoFi Fantasy Fun Job Description: Are you a coding conjurer with a passion for fantasy sports and a knack for weaving digital wonders? If so, we've got the perfect cauldron for your creative concoctions! We're on the lookout for a Full-Stack Web3 Developer to sprinkle some magic on our fantasy sports platform, where users build dream teams on social-fi platforms. Your First Few Missions: Login Flow Enchantment: Wave your wand and revamp our login flow to make it smoother than a perfectly executed spell. Users should glide in and out like ghosts through walls. Polygon Portal Creation: Harness the power of Polygon to expand our platform's horizons into the realms of lightning-fast transactions and gas-less wonders. Let's make Eth...

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    I'm searching for a capable developer who can create a comprehensive, blockchain-powered Dapp for social networking. Key functions of this Dapp should include: - **User profiles:** The profiles should comprise basic information such as name, age, location, a profile picture, as well as a bio/about section. - **Messaging system:** I need a messaging system that supports private messaging, group messaging, and real-time chat. - **Newsfeed:** There should be a newsfeed, similar to common social networks. Ideal freelancers should have rich experience working with blockchain technology, ideally Ethereum or other similar platforms. A strong track record in the development of DApps would definitely be a bonus. The freelancer should also possess a strong understanding of modern social n...

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    I'm seeking a technologically savvy professional to develop an Ethereum-based electronic voting system. This project requires design and execution of a system that incorporates key features. - Identity verification: Protect voter's information and ensure only authorized users access the system. - Vote confidentiality: Ensure that the voting process remains secret, preventing third-party interference. - Transparency and auditability: The system should be clear, lending itself to audits and review, yet maintaining voter confidentiality. In terms of user interface, it should be a blend of simplicity and modern aesthetics, accessible to all users regardless of tech proficiency. Ideal applicant would have: - Experience in Ethereum blockchain development - Knowledge of e-votin...

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    I'm looking to transform a distinctive idea into a working cryptocurrency. This cryptocurrency is unique in its aspect of being backed by physical assets, which bridges the gap between the digital and the real world. Key aspects of the project include but are not limited to: - Development of a cryptocurrency supporting instant transactions. - Conceptualizing and integrating the feature of physical assets as a collateral base. - Creating a framework that can be expanded and modified in the future. Although I skipped the question about security measures, I expect the chosen freelancer to provide professional advisement in this matter and build in robust safety features. I encourage applicants who have a stern understanding of blockchain technologies, cryptocurrency development,...

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    I'm looking to develop a cryptocurrency project with a specific focus on transaction tracking. This will primarily include tracking the sender and recipient details. I require a blockchain developer with a sound experience in developing cryptocurrency platforms and can communicate fluently in Arabic. The following skills and experience are needed: - Cryptocurrency and blockchain development - Proficiency in Arabic - Experience in creating robust transaction tracking systems - An understanding of how to implement privacy and security features for transaction details, specifically sender and recipient details. Your responsibility will be the entire blockchain and crypto development, with a strong emphasis on transaction tracking capabilities. Please take note that all communication...

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    Looking for a highly skilled developer to adapt a pre-existing Kucoin trading bot for use on Coinbase and Bitfinex exchange platforms. This project requires someone with an extensive background in creating and modifying cryptocurrency trading bots. Key Features: - The successful candidate must include automated trading feature for the bot. Strategies: - The bot should predominantly execute trend following trading strategies. The chosen freelancer must showcase a good understanding of the core features of an exchange platform trading bot. They should be proficient in understanding the technicalities of trading bots, strategies implementation and adaption for different cryptocurrency exchanges. Please include any relevant previous work or experiences in your proposal.

    ₹118969 (Avg Bid)
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