Solidity Jobs

I am looking for an experienced blockchain developer to create an arbitrage bot that identifies and executes profitable arbitrage opportunities across decentralized exchanges (DEXes). This bot will leverage third-party nodes, own funds, and flash loans from AAVE to maximize efficiency and profitability. The system must handle opportunities across all chains, working with any token pairs where arbitrage is feasible. The bot will integrate with Your task is to ENSURE the existence of opportunities with the arbitrage bot you are going to build. Project Requirements 1. Cross-Chain Arbitrage Functionality: • Identify and execute arbitrage opportunities across multiple chains. • Support for any token pairs with arbitrage potential. 2. Integration with Third-Party Nodes: •...

I need Flash Loan Arbitrage Trading Bot Development Based upon ETH ARB or any network which saves gas fee and trades on various coins and than return the flash loan simple

Only bid if you've done something similar before or have a ready demo for me! I already have a script which allows me to take Flash loan and return it but I want to do arbitrage trading via that

I'm looking for a skilled web developer to create a minimalistic web app akin to This project involves replicating its full functionality Key Requirements: - Full functionality replication from the reference web app - Design in a minimalistic style - Desktop optimization Ideal Skills: - Expertise in web app development - Strong understanding of interactive storytelling and community engagement features - Minimalistic design implementation experience - Desktop optimization skills

I'm looking for a developer who can create an in-house token on the Solana blockchain for a customer loyalty reward system. The token will be given to customers with each purchase, and can be redeemed for products or exclusive access to events. Key aspects of the project include: - Limited Supply: The token will be of a limited supply, which adds to its exclusivity and value. - Smart Contracts: A smart contract will be embedded to ensure a limited distribution of the tokens over time. - Initial Distribution: There will be an initial distribution of the tokens to early investors, which will include a lock-up period. - Staking System: A comprehensive staking system needs to be developed. This system should allow users to stake their tokens for additional rewards. The staking periods s...

I'm seeking a skilled developer to create a DApp on Ethereum. The primary focus of the project will be the smart contract functionality, which will adhere to the ERC-20 token standard. The smart contract will be pivotal for the presale of a new token. The ideal candidate should have extensive experience in: - Smart contract development, particularly using the ERC-20 token standard - Creating DApps on the Ethereum network - Implementing presale-specific functionalities within a smart contract In addition to the smart contract, I will also need a user-friendly interface for the DApp. Experience in UI/UX design will be highly beneficial, although the primary focus of the project is on the smart contract functionality. The contract should be able to handle the presale of the token vi...

I'm looking for a blockchain developer to create a presale contract for utility tokens on the Ethereum blockchain. The presale should have an integration with the Moonpay gateway, allowing participants to purchase tokens using credit or debit cards. Key Requirements: - Development of a presale contract on Ethereum for utility tokens. - Integration with the Moonpay gateway for card transactions. - Implementation of features enabling credit/debit card purchases during the presale. Ideal Skills: - Proficiency in Ethereum blockchain and smart contract development. - Experience with Moonpay integration. - Expertise in creating utility token presale contracts. Please note: - There's no need for KYC integration for card purchases.

I need a senior or above Blockchain developer! I have 4 smart contracts deployed on the Polygon blockchain that require a skilled developer's attention. Most of the job is done, but a few slight changes are needed. Key Tasks: - Update the logic of the smart contracts according to my instructions. - Integrate the smart contracts with other contracts. Ideal candidates should have: - Extensive experience with the Polygon blockchain. - Proficiency in Solidity as all contracts are written in this programming language. - Proven track record in updating smart contract logic and performing integrations. - Strong understanding of security enhancements even though they may not be needed at this stage. Your expertise will ensure these contracts function precisely as intended.

I need assistance with my Solidity code. I have working flash loan code based on ARB ETH network for flash loan but it's super simple for taking the loan and returning it I want to add a functionality take a loan than exchange with x coin than x coin and than return the coin and close the trade

Project Description: Customization and Development of a Decentralized Trading and DEX Platform I am looking for an experienced blockchain developer with strong skills in Solidity and expertise in decentralized applications (DApps) and DeFi projects. The old project is insolvent and now everything existing has to be transferred to a new one. Project Scope: Graphic Adjustments and Minor Configurations for an Existing Platform: Update the design of an already built decentralized leverage trading platform. Implement minor code changes and configurations (Solidity-based). Migration of an Existing DEX to a New Contract: Rewrite an already built DEX to operate on a completely new smart contract. Enhancement of an Automated Market Maker (AMM): Make an existing AMM functional and integrate i...

I'm seeking a developer with expertise in creating decentralized Multi-Level Marketing (MLM) software on the Binance Smart Chain. The main focus of the software is user onboarding and management, with a pivotal component being a robust referral system. Key Responsibilities: - Develop a user-friendly interface for seamless onboarding of new users into the MLM system - Implement a comprehensive and intuitive referral system to incentivize user participation - Ensure the software is decentralized, secure, and operates smoothly on the Binance Smart Chain Ideal Skills and Experience: - Proven experience in developing decentralized software, particularly on the Binance Smart Chain - Prior involvement in creating MLM software will be a significant advantage - Strong understanding of user o...