Web3.js Jobs

I'm seeking a seasoned web engineer with extensive experience in to build an NFT marketplace on the Ethereum blockchain. The primary function of this platform will be facilitating the buying and selling of NFTs. Key Requirements: - Proficiency in and relevant technologies - Proven experience in developing NFT marketplaces - In-depth knowledge of Ethereum blockchain - Strong skills in web engineering Please provide examples of your previous work in this domain when bidding.

I have a Telegram Game Bot that needs its frontend updated to a new Figma design. The updates will pertain to the user interface layout, interactive elements and visual aesthetics. There's no need to add new features - just upgrading Frontend part. Key Responsibilities: - Implement Figma design onto the Telegram Game Bot frontend - Update user interface layout, interactive elements and visual aesthetics Performance Improvements: - Optimise for faster load times - Reduce data usage Ideal candidates should have: - Proven experience in frontend development, particularly for Telegram bots - Strong skills in UI/UX design implementation - Ability to optimise for performance improvements

Our team is currently facing challenges due to a weak proof of concept for our blockchain initiative. We're seeking a multi-faceted blockchain expert with robust knowledge in various areas, including: - Smart Contracts: Understanding and developing decentralized agreements that execute automatically. - Cryptocurrency: Insight into the digital currency landscape and its implications for our project. - Supply Chain Management: Applying blockchain technology to enhance transparency and efficiency in our supply chains. - Web3: Leveraging the decentralized web for innovative solutions. - General Blockchain Knowledge: Comprehensive understanding of blockchain technology and its potential applications. Your role will also involve reviewing the frontend we've built. We need your detail...

I'm seeking a skilled Blockchain developer to create a smart contract on the SUI Blockchain for my web3-based game. The game is built using HTML, CSS, and JavaScript, and is ready for integration. Key Smart Contract Responsibilities: - User Authentication & Wallet Connection: The smart contract should handle user authentication seamlessly and establish a connection with the user's wallet. - Leaderboard Management: The contract will need to manage real-time updates to the leaderboard as users score points. - Secure Data Storage: It should securely store and retrieve user avatars and scores to maintain data integrity and security. Development Preferences: - I have no specific preferences for the development tools or frameworks, but I expect the use of best practices and effic...

I'm seeking a proficient blockchain developer to enhance my DEX platform, Ultrax. The project involves multi-chain optimization, wallet integration, bridge development, front-end debugging, and thorough testing. Key Tasks: 1. **Multi-Chain Optimization**: - Prioritize fine-tuning our existing multi-chain functionality for better performance. 2. **Wallet Integration**: - Integrate Wagmi Wallet and Phantom Wallet with improved security features, a user-friendly interface, and support for additional wallets. 3. **Bridge Development**: - Create bridges between EVM chains and between EVM chains and Solana, ensuring fast transaction speeds with costs below stipulated limits. 4. **Front-End Debugging**: - Identify and resolve terminal errors and replace/remove non-working ...

Retrieve Comprehensive List of Ethereum Wallet Addresses with Non-Zero Balances or Token Holdings Description: I am looking for an experienced Ethereum blockchain developer or data analyst to compile a comprehensive list of Ethereum wallet addresses. There are approx 250 to 300 million ethereum wallet addresses or thereabouts. Must meet the following criteria: Requirements: Ethereum addresses with non-zero balances (either ETH or ERC-20 tokens). I do not need the balances or token details—just the wallet addresses. Key Considerations: Data Accuracy: The data must accurately reflect the current state of the Ethereum blockchain. I will perform random 1000 wallet address checks on the provided addresses to ensure the data is valid and accurate and that those addresses in the provide...

I'm looking to have an app developed that will allow me to connect my wallet and buy cryptocurrencies using my credit card. The app should be user-friendly and secure, with seamless integration with popular onramp services such as Thirdweb, Transak, Stripe onramp, or any similar service. Ideal Skills and Experience: - Experience in developing crypto wallet apps - Expertise in integrating payment gateways - Familiarity with popular onramp services - UI/UX design skills for creating a user-friendly interface - Ability to ensure the security of the app - Good communication skills to understand and implement my specific requirements

I'm seeking a seasoned full stack web3 expert, particularly focused on decentralized app (dApp) development on the Ethereum platform. Key Responsibilities: - Design and develop a robust dApp with integrated DeFi protocols. - Smart contract development and deployment. Ideal Skills and Experience: - Extensive experience in dApp development specifically on the Ethereum platform. - Proficient in creating and managing smart contracts. - Deep understanding and experience with DeFi protocols. - Strong full stack web development skills. Please provide examples of your prior work that align with these requirements.

I have a third-party service for buying crypto with fiat, but it's not functioning correctly in the sandbox environment. I need someone who can either fix this service or implement a different one, allowing users to purchase crypto using a Visa or credit card. - Identify and resolve sandbox environment issues with the current service. - Implement an alternative service if necessary, ensuring it supports Visa and credit card transactions. A strong background in working with third-party crypto services and a deep understanding of sandbox environments is crucial. Experience with creating user-friendly interfaces will be a significant advantage. like this