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.

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    I require a revenue sharing membership site for creators. Payouts will be on % of activity/interaction with anti cheat measures in place. Users will upload content (videos, images, text, links) such as social media sites. Creators will have a free public profile and will choose which content is free and which content is for paid members. The site will have a free video roll section with tiktok style short videos that they can scroll through. There will also be a paid members video roll with premium content. Admin will get a %, creators will get a % and referrals will get a % of the total monthly fee revenue generated. referrers can login to member area to get referral links and see stats and update payment information. Payment for the site, creators and referral partners will all by crypto...

    $770 (Avg Bid)
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    37 bida

    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.

    $1459 (Avg Bid)
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    For our Hack the North 2022 submission, the rise of Web3 lead us to explore a new topic in web development that all of us were unfamiliar with. We created Receipt3.0, a full-stack application that allows businesses to create digital receipts that exist on the Ethereum blockchain. The idea of the project focused on decentralization, where individuals had ownership of their own receipts, and can use it to refund their bought products. These receipt tokens would exist on the user's MetaMask wallet. We built smart contracts using Solidity and tested everything on the Ganache network. The frontend was created using React and Chakra-UI, while the backend used Express, Node, and MongoDB to store data. Here is code: For now my previous developer can't working anymore on this project....

    $51 / hr (Avg Bid)
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    Start Page: Feature a prominent button labeled "Launch App". Clicking this button progresses the user to the main functionality of the app. Photo Capture: Upon app launch, present the user with a button to "Take Photo". Activating this button should turn on the user's camera. After the photo is taken, display an overlay animation mimicking a scanning process on the captured photo to enhance the user experience. User Information Collection: After the photo capture and animation, guide the user through a series of pages to collect the following information: Name: A page dedicated to inputting the user's full name. Email Address: A separate page for the user to provide their email address. Country Selection: A page with a dropdown or searchable list to select ...

    $145 (Avg Bid)
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