Solidity Jobs

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I urgently require a React / Blockchain Developer to resolve a deprecated node error within the next 24 hours. This project is time-sensitive and requires a professional with the following skills: - Expertise in React - Experience with troubleshooting node errors Unfortunately, there is no existing documentation or error logs for the project. Your ability to quickly identify and fix this issue will be crucial.

I'm in need of a versatile web3 token and NFT generator tool that can be compatible with various blockchain platforms. The tool should allow me to create, manage, and distribute different types of tokens including utility tokens, security tokens, collectible tokens, and NFTs. I need the following features to be incorporated in the tool: - Customizable token name and symbol. - Ability to set token supply and decimals. - Integration with a range of blockchain platforms (Ethereum, Binance Smart Chain, BASE, POLIGON, FANTOM, ARBITRUM, OPTIMISM, AVALANCHE AND SOLANA, RELATIVES TESTNETS). - Capability to create a liquidity pool. Ideally, you should have: - Advanced knowledge and experience with blockchain technology and token creation. - Proficiency in working with multiple blockchain ...

I'm on the hunt for pre-built Web3 games. Further specifications of the game type were left open-ended, so any genre from collectibles, role-playing, to strategy games may be considered. Are you currently working on a Web3 Game? Did you already finish making a Web3 Game? Do you perhaps worked on a Web3 game before and own the rights? We are interested in 1. buying the code and rights 2. Or listing it on our platform This is a unique opportunity where you can sell your existing Web3 Gaming Project to us or list it on our platform. Write down the following: -Platform(s) of the game -Technologies you used to make the game -Concept and type of game (5-10 sentences) -Price estimate I'm NOT looking for someone to build a game from the start!!! You have to have an already working...

I need a proficient Solidity and Web3 developer to help build a smart contract on the Ethereum network. The primary functionality of the contract is to facilitate fund transfers and sharing. Ideal Skills and Experience: - Solid experience in Ethereum smart contract development - Expertise in Solidity and libraries - Familiarity with test networks I need to create a smart contract and wallet connection using metamask. Here's an example; On this link, they only can donate using a credit card or debit card. I want to pay with eth test network (using metamask) and the smart-contract is; Person A needs 2000ETH for their project with a deadline of 30 days and share the profit 10% after 10 days of the project to reach the goal of each ETH donated by another person, Person B donat...

I need immediate expert help to troubleshoot my blockchain project. There's a problem uploading PDF files to InterPlanetary File System (IPFS) specifically. To clarify, the project is already built and operates on a local server. However, the issue lies in the inability to upload documents using IPFS. I believe this requires an expert with: - Profound knowledge in Solidity - Familiarity with MetaMask - Experience in dealing with blockchain projects - Specific experience in IPFS for document uploads and validation - Ability to work quickly, as I need this resolved ASAP The task involves uploading PDF files, so adeptness with this document type is paramount. Please bid if you're confident you can solve this promptly.

I am presently encountering some issues in my blockchain project. I am specifically dealing with problems that relate to: - The validation of certificates: The current smart contract validation process doesn't seem to be working correctly. - IPFS integration: There are certain problems with the IPFS client library mode of interaction I'm using. - METAMASK connectivity: Getting connected with METAMASK has also been challenging. I'm seeking an adept blockchain developer to help me troubleshoot and resolve these issues. The perfect candidate would have extensive experience with IPFS, METAMASK, and smart contract validation. A background in debugging blockchain projects would also be highly regarded. Looking forward to productive collaborations.

Looking for a talented and motivated Zero-Knowledge Proofs developer to Implement a working product in a different blockchain. Please understand its a porting job to a new evm chain. If you have experience before in using zk snarks we will get along. This is not an on the job training work. Only interested in people who already done this. I am a dev, so please keep that in mind when you quote and estimate time.

We are currently seeking a talented Web3, Smart Contract, Solidity developer to join our team. The ideal candidate will have experience developing on the EVM chain and a strong understanding of blockchain technology. Responsibilities: Design, develop, and test smart contracts on the EVM chain Implement and deploy decentralized applications using Web3 technologies Collaborate with team members to design and implement new features Keep up to date with the latest trends and developments in the blockchain space Requirements: Proficient in Solidity programming language Experience with and other blockchain development tools Familiarity with Ethereum and other EVM-based chains Strong problem-solving skills and attention to detail Excellent communication and teamwork skills If you are passion...

I'm in need of someone who can create a small college project based on blockchain technology. I'll provide the codes and other stuffs required. The person just needs to debug some errors and do some front end and back end work. Key Requirements: - Capable of using Remix, CSS, and Java Script for the project. - Understanding of blockchain fundamentals, including user authentication, data encryption, and smart contracts. Please feel free to share your past work and experience related to blockchain, along with any detailed project proposals you might have.

I'm in need of an experienced blockchain developer who can create a dapp and smart contract for a NFT project based on the Ethereum network. The focus of the project will be collectibles NFTs. I would also need a marketplace system integrated within the project to facilitate the selling of these NFTs. Required skills and experience: - Proficient in Ethereum blockchain development - Experience in NFT technology, particularly for Collectibles - Proven track record in creating dapps and smart contracts - Knowledge of creating NFT marketplace Your main tasks will include: - Developing a smart contract - Building a dapp - Implementing a NFT marketplace for collectibles Ideally, you have successfully completed similar projects in the past. Please provide samples or references whe...

Need solidity developer for contract basis .. exp 3+ needed

I'm seeking an experienced blockchain developer to create an Ethereum based ERC-20 token, with unique features of a private pre-sale and a vesting period. Key Responsibilities: - Develop an Ethereum ERC-20 token from scratch. - Implement a private pre-sale phase for initial investors. - Set up a vesting period for token distribution to prevent immediate selling off. Ideal expertise and skills: - Extensive experience in Ethereum blockchain and ERC-20 tokens. - Familiarity with smart contract security, specifically the implementation of a private pre-sale and vesting period. - Ability to create custom functionality beyond standard ERC-20 token framework. For this project, using typical smart contract security method like OpenZeppelin or Consensys Due Diligence is not preferred. ...

I am seeking a developer to create a tool that can calculate the profit and loss (PnL) for any given Ethereum wallet address. The tool should be able to determine the total number of coins bought, as well as calculate the profit and loss from all transactions associated with the wallet. Key Features: Wallet Address Input: Users should be able to input any Ethereum wallet address. Transaction Analysis: The tool should analyze all transactions associated with the provided wallet address. Profit and Loss Calculation: Calculate the total number of coins bought and the profit and loss incurred from all transactions. User-Friendly Interface: The tool should have a user-friendly interface for ease of use. Skills Required: Proficiency in Ethereum blockchain technology. Experience in cryptocurre...

I'm in need of a skilled developer who can create a custom module for the Cosmos SDK. This module will be focused on token creation. As I've never worked with the Cosmos SDK before, I require someone who is not only familiar with it but also has a strong grasp of blockchain development and tokenomics. Key Requirements: - Development of a custom module for the Cosmos SDK - Focus on token creation - Expertise in Cosmos SDK and blockchain development The successful candidate will need to be able to understand the project requirements, propose solutions, and implement them effectively. Strong communication skills are essential, as is the ability to work independently and proactively. A proven track record in blockchain development and previous experience with the Cosmos SDK are hig...

As a blockchain expert, I am looking for a seasoned developer with specific experience in developing on the Cosmos SDK. My goal is to create a new blockchain, incorporating smart contracts functionality and custom token creation. Ideal Skills: - Strong background in blockchain technology, particularly in the Cosmos SDK - Proficient in developing custom tokens and smart contracts - Proven experience in creating new blockchains - Familiarity with decentralised applications is a plus You need to have a good understanding of blockchain concepts, and have a portfolio that demonstrates your ability to handle similar projects. Please provide a brief overview of your previous experience with Cosmos SDK and new blockchain development in your bid.

I'm seeking a seasoned developer with extensive experience in the Cosmos SDK. The project entails a range of tasks including wallet integration, blockchain development and smart contract deployment. Your primary focus will be ensuring these are seamlessly integrated into the platform. Key Responsibilities: - Implement Wallet Integration: You must have a thorough understanding of how to integrate wallet services into the Cosmos SDK. - Develop Blockchain: Experience in developing blockchains using the Cosmos SDK is essential. You will be responsible for creating a robust and secure blockchain. - Deploy Smart Contracts: Your expertise in deploying smart contracts using the Cosmos SDK will be crucial to this project's success. Deliverables: - Seamless integration of wallet services...

I am seeking a proficient and experienced Cosmos SDK professional. The primary objective is to integrate the Cosmos SDK with our existing web application. Key Responsibilities: - Utilize your understanding of blockchain technology to seamlessly integrate Cosmos SDK with our web application. - Ensure that the integration enhances the performance and functionality of our platform. - Collaborate with our team to implement the integration in a timely manner. Ideal Skills and Experience: - Deep knowledge of blockchain technology, specifically in relation to the Cosmos SDK. - Proficiency in Golang programming language to effectively carry out the integration. - Prior experience in integrating the Cosmos SDK with existing web applications. - Good communication skills and a collaborative workin...

[READ BEFORE BIDDING PLEASE] I’m looking for an expert in decentralized finance (DeFi) to build a swap&bridge platform on Base using OP stack Superchain. This project needs to be completed as soon as possible. Key Specifications: - Using latest version - The platform should feature token swapping and Bridge functionalities. - Responsive on pc browser and on phone - The system should allow users to seamlessly swap various tokens. - While I haven't identified specific token standards yet, your suggestions based on prior experience are welcomed. Desired Skills and Experience: - Experience building DeFi swap sites. - Understanding of OP Superchain. - Effective communication and timely delivery.