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!

Müşterilerimiz, Ethereum Developers freelancerlarımızı 39,592 değerlendirme içinden 5 üzerinden 4.82 ile derecelendirdi.
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    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 ...

    €2154 (Avg Bid)
    €2154 Ortalama Teklif
    45 teklifler

    I have a developer creating a membership site for me and I need a crypto payment solution. I want to accept 2 crypto tokens 1 will be at a cheaper rate than the other and will be a monthly payment but need a lifetime member option which will be at a higher rate. I just need something created where they can easily pay with crypto and after successful payment it will return to member area. Both tokens will be on bsc the first will be USDT and the second will be my projects token.

    €213 (Avg Bid)
    €213 Ortalama Teklif
    28 teklifler

    12 months ago I launched a token and after a moderate presale it failed when it went to market and is dead now. Seeing that the coin is dead I wish to unlock my liquidity which is still locked until a few days time with pinklock but I don't know how to access it. I will give all details before hiring so you can check and confirm the amount and will hire winner to help me retrieve the liquidity.

    €116 (Avg Bid)
    €116 Ortalama Teklif
    28 teklifler

    We have an Ethereum Smart Contract and a Learn To Earn program. We want to ensure that when users convert their earned points into our tokens, they pay the Transaction cost. However, since the functions are public, we are concerned that users can mint additional tokens on our contract. Thus, we want an expert dev to review our contract and recommend the ideal way to set these functions up. Additionally, we are using 1Inch for processing transactions and want the users to be charged a transaction fee. However, since 1inch doesn't support it, the only option is for the users to pay double transaction fee - one for their transaction and the other to pay us a fee. We would like the expert developer to help us find a solution to this as well, if possible.

    €18 / hr (Avg Bid)
    €18 / hr Ortalama Teklif
    19 teklifler
    Dextool/ Dexscreener Clone 2 gün left
    ONAYLI

    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...

    €4455 (Avg Bid)
    €4455 Ortalama Teklif
    14 teklifler
    Trophy icon Tron Smart Contract Developer 9 saat 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 ...

    €922 (Avg Bid)
    Garantili
    €922
    13 girdi

    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.

    €590 (Avg Bid)
    €590 Ortalama Teklif
    25 teklifler

    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...

    €10 (Avg Bid)
    €10 Ortalama Teklif
    5 teklifler

    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...

    €2209 (Avg Bid)
    €2209 Ortalama Teklif
    16 teklifler

    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.

    €87 (Avg Bid)
    €87 Ortalama Teklif
    13 teklifler

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

    €607 (Avg Bid)
    €607 Ortalama Teklif
    10 teklifler

    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 ...

    €33 / hr (Avg Bid)
    €33 / hr Ortalama Teklif
    22 teklifler

    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 ...

    €32 / hr (Avg Bid)
    €32 / hr Ortalama Teklif
    42 teklifler

    solana nodejs code for multi-swap within same tx.

    €19 (Avg Bid)
    €19 Ortalama Teklif
    8 teklifler

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