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.

25,709レビューから、クライアントは Web3.Js Developers 4.9/5個の星で評価します。
Web3.Js Developers を採用する

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.

25,709レビューから、クライアントは Web3.Js Developers 4.9/5個の星で評価します。
Web3.Js Developers を採用する

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    7 見つかった仕事

    I'm looking for a skilled MERN Stack expert to revamp my marketplace platform. The focus will be on the User Interface and Backend Functionality. User Interface Changes: - Redesigning the layout to make it more user-friendly and visually appealing. - Improving navigation to ensure seamless user experience. - Adding new visual elements to enhance the overall aesthetics of the platform. Backend Functionality Improvements: - Enhancing performance to support a larger user base and increased transactions. - Improving security measures to safeguard user data and transactions. - Upgrading the database management system for better data handling and retrieval. Ideal candidates should have: - Extensive experience with MERN Stack. - Proven track record in UI/UX design. - Strong understanding ...

    $1104 Average bid
    $1104 平均入札額
    157 入札

    I'm seeking a developer with expertise in blockchain and smart contract programming, specifically for the TON blockchain. The task involves creating a lottery system with a unique referral reward structure. Key Requirements: - Develop a smart contract for a lottery, allowing users to buy tickets, refer others, and win rewards. - Implement a tiered reward structure heavily favoring referrals. The more users a participant brings in, the higher their potential earnings. - Create a system where referral rewards are based on a percentage of ticket sales, incentivizing users to promote the lottery. Ideal Skills: - Proficiency in smart contract development, particularly on the TON blockchain. - Experience with creating lottery or gaming-related smart contracts. - Understanding of referral ...

    $2029 Average bid
    $2029 平均入札額
    75 入札

    Hi, I'm seeking someone experienced in site builds and crypto site functions such as wallet api integrations on to the site for things like airdrops. So if you've worked on nft or coin launch projects. Pretty simple task. I have the files to site and would like you to migrate on to my new hosting/ domain, all on namecheap. Then make sure everything is functional such as wallet connecting (and making sure the security is in place, with the tokens collected going to my wallet ) I'd also like you to revise the user interface/ design just a bit. Just so it looks clean. It can be a splash page at first for all I care. But after that I'll get inspired with writing good copy + coming up with designs. And then I may rehire you to help put all the additional content toget...

    $214 Average bid
    $214 平均入札額
    14 入札

    Hi, I'm seeking someone experienced in site builds and crypto site functions such as wallet api integrations on to the site for things like airdrops. So if you've worked on nft or coin launch projects. Pretty simple task. I have the files to site and would like you to migrate on to my new hosting/ domain, all on namecheap. Then make sure everything is functional such as wallet connecting (and making sure the security is in place, with the tokens collected going to my wallet ) I'd also like you to revise the user interface/ design just a bit. Just so it looks clean. It can be a splash page at first for all I care. But after that I'll get inspired with writing good copy + coming up with designs. And then I may rehire you to help put all the additional content toget...

    $236 Average bid
    $236 平均入札額
    25 入札
    Crypto NFT Website Migration -- 2
    3 日 left
    認証済み

    Hi, I'm seeking someone experienced in site builds and crypto site functions such as wallet api integrations on to the site for things like airdrops. So if you've worked on nft or coin launch projects. Pretty simple task. I have the files to site and would like you to migrate on to my new hosting/ domain, all on namecheap. Then make sure everything is functional such as wallet connecting (and making sure the security is in place, with the tokens collected going to my wallet ) I'd also like you to revise the user interface/ design just a bit. Just so it looks clean. It can be a splash page at first for all I care. But after that I'll get inspired with writing good copy + coming up with designs. And then I may rehire you to help put all the additional content toget...

    $232 Average bid
    $232 平均入札額
    40 入札

    I am looking for an expert who can help me integrate a cryptocurrency payment system into my platform. Flexibility is important as the details of the platform type, accepted cryptocurrencies, and existing payment gateways are still unclear. Ideal Skills and Experience: - Proven experience integrating payment gateways - Knowledge of cryptocurrency payment systems - Flexibility to adapt to changing project specifications - Strong communication skills to clarify requirements as the project progresses. I have attached the detailed information, please read it carefully. Applicants who do not read the detailed information will be ignored.

    $22 / hr Average bid
    $22 / hr 平均入札額
    82 入札
    BSC Chain Staking Platform Development
    11 時間 left
    認証済み

    We are thrilled to announce the upcoming launch of Bitgert Staking v3, featuring a Referral Reward system. We are currently looking for a top-tier development team or skilled developer to join us in this exciting project. we have already launched v2 and it is really great. v1 staking website : v2 staking website : v2 staking smart contract: Bitgert team ( )

    $36 / hr Average bid
    $36 / hr 平均入札額
    38 入札

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