Web3.js is an open source software library that helps integrate with decentralized applications built on Ethereum blockchain technologies. As Ethereum is built on blockchain, Web3.js works as a bridge between the Ethereum blockchain and its users without transcending any rules or data from the blockchain network.

A Web3.Js Developer is an experienced programmer for building decentralized applications using Ethereum development framework and the Javascript library, Web3. When developers use Web3.js, they can craft secure and reliable applications upon a wide-scale peer-to-peer blockchain network with the help of a trustless system of data storage and transfer.

Here are some projects that our expert Web3.Js Developers made real:

  • Creating user authentication features on existing web apps
  • Setting up marketplaces for NFTs
  • Integrating ETH payment systems with React dApps
  • Connecting web sites to TikTok pages
  • Crafting smart contracts on Ethereum technology
  • Writing Typescript & React code
  • Auditing smart contracts prior to deployment

It's projects like these that show the full potential of what a Web3.Js Developer can do for your project. With their knowledge of web development and proprietary scripting language, our experienced developers were able to craft advanced yet secure applications for clients that created real value for all parties involved. With this in mind, we invite you to post your own project and set out to hire a remarkable development team with Freelancer.com today.

Từ 17,876 nhận xét, các khách hàng đã đánh giá Web3.Js Developers 4.84 trên 5 sao.
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    9 công việc được tìm thấy, giá theo USD

    I need a developer who can get historical data of Ethereum token pair by using api with pairaddress

    $25 (Avg Bid)
    $25 Giá đặt trung bình
    12 lượt đặt giá

    You should be familiar with React.js and Chrome extension development. Also should have a good understanding of NFT and web3 script.

    $1179 (Avg Bid)
    $1179 Giá đặt trung bình
    81 lượt đặt giá

    I am looking for a skilled web3 developer to assist with my project. The specific tasks that I need assistance with include web3 integration and API development. Ideal Skills and Experience: - Proficiency in web3 integration and API development - Experience with Ethereum blockchain platform - Strong understanding of smart contracts and decentralized application (DApp) development Project Timeline: - The project is expected to be completed within 3-4 weeks. If you have the necessary skills and experience, and are available within the specified timeline, please submit your proposal.

    $150 (Avg Bid)
    $150 Giá đặt trung bình
    28 lượt đặt giá
    Laravel Multi Vendor eCommerce Upgrades 3 ngày left
    ĐÃ XÁC THỰC

    I have an existing multi-vendor eCommerce project () that needs a few upgrades. I would also like to bring the project closer to WEB3 standards. 1. New theme integration 2. Version updates for PHP and Laravel 3. Conflict Resolution Module 4. Delivery/Tracking 5. AI Assistance Integration 6. Blockchain Wallet Set-up (ERC 20 Token or similar), and ICO In summary, a multi-vendor e-commerce portal in a Web3 scenario would likely revolve around decentralisation, blockchain integration, user empowerment, enhanced security, and transparent, trustless transactions, offering a new level of autonomy and efficiency to users and vendors alike. I have a budget of $650 to $850 USD. Please bid within budget.

    $1412 (Avg Bid)
    $1412 Giá đặt trung bình
    84 lượt đặt giá
    I need a Nextjs and web3 developer 2 ngày left
    ĐÃ XÁC THỰC

    I am looking for a Nextjs and web3 developer to help me with my project. Here are the requirements and details: Design: - I have a complete Design for the project. Specific Features Needed: - DApp development is required for this project. Timeline: - The project should be completed in more than 4 weeks. Ideal Skills and Experience: - Strong expertise in Nextjs and web3 development. - Proficiency in DApp development. - Experience with user authentication and smart contract integration. If you have the necessary skills and experience, and are available for a project of this length, please get in touch.

    $2262 (Avg Bid)
    $2262 Giá đặt trung bình
    27 lượt đặt giá
    CoinSniper Forking 1 ngày left
    ĐÃ XÁC THỰC

    Project Title: CoinSniper Forking I am looking for a skilled developer who can help me fork the Coin Promoting Application like Coinsniper. I have specific requirements for the modifications and features that I need in the forked App. Ideal Skills and Experience: - Strong knowledge and experience in dap/webapp development and forking - Proficiency in working with Binance Smart Chain. - Understanding of blockchain technology and smart contracts - Ability to implement custom modifications and features - Familiarity with security protocols and best practices in development The project should be completed within 3 months, so the ideal candidate should be able to work efficiently and meet deadlines.

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

    I am looking for a skilled developer to set up an identical web3 presale system for me, similar to Pinksale. The project requires advanced features and I have a detailed plan for specific customizations. Skills and experience needed: - Experience with web3 presale systems - Proficiency in setting up advanced features - Ability to implement specific customizations based on a detailed plan Timeline: - The project needs to be completed immediately If you have the necessary skills and can start right away, please reach out to discuss further details.

    $1126 (Avg Bid)
    $1126 Giá đặt trung bình
    49 lượt đặt giá
    Create token web3 page 1 ngày left
    ĐÃ XÁC THỰC

    I am looking for a developer to create a token web3 page using Solidity programming language. The ideal candidate should have experience in Solidity and web3 development. Design: - I am open to any design for the web3 page. - The developer can use their creativity to come up with a design that fits the project requirements. Functionalities/Features: - While I don't have specific functionalities in mind, I have some ideas that I would like to discuss with the developer. - The developer should be open to suggestions and be able to implement the ideas into the web3 page. Overall, I am looking for a skilled developer who can create a token web3 page using Solidity, with a design that fits the project requirements and the flexibility to incorporate my ideas into the functionality.

    $508 (Avg Bid)
    $508 Giá đặt trung bình
    70 lượt đặt giá
    web3 crypto wallett Đã kết thúc left
    ĐÃ XÁC THỰC

    Hi, i need help connect wallet system to my already developed react based system. please apply with confidence thank you, HappY BiddinG!

    $14 / hr (Avg Bid)
    $14 / hr Giá đặt trung bình
    30 lượt đặt giá

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