Solidity Jobs

XRPL DEX EXCHANGE Script - working on XRPL network with XRP I need to build a DEX Exchange based on the concept of XMagnetic or Sologenic, based on the XRPL network in which XRP is my earning benefit. Main features: 1) Listing tokens on xrpl paying a fee in XRP i will decide, or buying the DEX utility token (i will create the token on XRPL and it will be the 1st listed on my dex). 2) Launchpad to let ppl to create tokens based on xrpl with their own AMM liquidity pool 3) Farming area to lock a token to let holders earning benefits in other coins paying a fee buying the dex utility token. 4) AMM area to put funds to work by providing liquidity to a determinate asset. 5) Trade area 6) Swap area and more in the future.

I’m seeking an experienced blockchain developer with deep expertise in the TRX Network to develop a specialized smart contract. This contract should have the following capabilities: Core Functionalities • Automated Fund Extraction: The smart contract should be able to seamlessly and automatically extract approved funds from any wallet that interacts with it, with no further permissions needed after initial approval. • Automated Transactions: Facilitate continuous and automated transactions, allowing the contract to regularly pull assets from approved wallets. Compatibility Requirements The smart contract must be fully compatible with and able to interact seamlessly through: • MetaMask • Trust Wallet • SafePal Additional Requirements • Full Ac...

I'm looking for a talented Solidity developer to help create a unique token. This token should prevent wallets from selling and can only buy on the liquidity pool of choice and ensure long-term value, benefiting all holders. The project includes an automated OTC P2P smart contract for seamless transactions between buyers and sellers that updates its ratios when the price goes up. Key Features: - The token will only go up, will never dump or dip and ofc will never go to zero - An automated, user-friendly OTC P2P smart contract - Staking rewards for token holders - Discounts for users of the OTC orders in relation to the market value. - A DAO mechanism for minting control and discount control - A buy-and-burn to increase the token's price. People can choose the tokens they wish ...

We're on an exciting journey to build NFTKastle, a unique NFT marketplace with innovative features, and I need a highly skilled professional to help us tackle the technical challenges we're facing. We're currently in the development phase of our smart contract, but immediate attention is required for its completion. The ideal candidate will focus primarily on: - Finalizing the smart contract development for the marketplace - Integrating NFT staking and rewards distribution functionalities - Ensuring seamless minting and transferring of NFTs - Incorporating bounty and game integrations for NFTs Your expertise will be crucial in implementing the staking features over the next two months. The front-end and initial functionalities for a presale are almost complete, but we ne...

I want to know if it is possible to create an ultra fast bot to buy and sell on ethereum faster than the competition.

I am looking for a blockchain engineer who can work full time for me in my side project. Requirement - At least one year experience in blockchain development. - Having experience with doing backend to interact with smart contract is a bonus. - Having experience in React-JS is a bonus. - Having experience in python django is a bonus. - Must familiar with git.

I'm in need of a seasoned blockchain developer proficient in Solidity and Rust to help customize and enhance a specific open-source GitHub project. The project revolves around smart contracts for Hyperledger Besu. Ideal Skills: - Proficiency in Solidity and Rust , node.js - Extensive experience with blockchain development - Strong understanding of performance optimization techniques - Proven track record in implementing scalability improvements - Expertise in DevOps, specifically with building CI/CD scripts using Ansible

I'm in need of a skilled Solidity developer to examine and fix some issues in a smart contract currently under development, deployed on the Optimism network. I'm facing a 'Gas estimation failed' error when calling several functions, primarily during flash loan executions and interactions with the Moonwell protocol. In the contract, I have made some minor modifications to a standard implementation. Key Tasks: - Understand the current structure of the smart contract and its interaction with the Optimism network. - Identify the causes of the 'Gas estimation failed' error. - Propose and implement solutions to rectify the issues and ensure the contract functions correctly. Ideal Skills: - Proficient in Solidity and smart contract development. - Experience with t...

I'm seeking a seasoned blockchain developer with extensive experience in building Decentralized Applications (DApps) on the Ethereum platform. Your key responsibilities will include: - Crafting a user-friendly and efficient DApp on Ethereum. - Developing and integrating ERC-20 tokens into the DApp. The ideal candidate will have a strong portfolio of Ethereum DApp projects, a deep understanding of ERC-20 token standards, and an ability to deliver high-quality work on time.

Meu orçamento é de até 800 USD Objetivo: Criar um smart contract que realize operações de arbitragem utilizando flash loans do protocolo Aave, com funcionalidades de gerenciamento de lucros, licenças de usuários e permissões de tokens. Funcionalidades Principais: Flash Loans: Integrar com o protocolo Aave para tomar flash loans. Realizar operações de arbitragem entre diferentes exchanges (por exemplo, Uniswap e Sushiswap). Cálculo de Lucro: Obter cotações de preços de diferentes exchanges. Calcular o lucro potencial de arbitragem. Executar a arbitragem apenas se houver lucro. Gerenciamento de Licenças: Cada usuário deve ter uma licença associada. Atualizar o lucro to...