Solidity is a programming language that is primarily used to create decentralized applications (dApps) and crypto tokens. It is used within the blockchain space to code, verify, and secure transactions on Ethereum-based networks. By hiring a Solidity Expert, they can write, debug and deploy various smart contracts on Ethereum as well as ensure compliance of their smart contracts with standards like ERC20 & ERC721 tokens.

Having a qualified Solidity Expert can bring you the peace of mind knowing that you are dealing with a subject matter specialist. Freelancer.com has many skilled Solidity Experts who can help you build sophisticated software solutions with the highest of quality with their proficiency in writing efficient smart contracts in Solidity.

Here's some projects that our expert Solidity Experts made real:

  • Updating existing Smart Contracts
  • Developing financial bots and trading networks
  • Creating dApps on alternative blockchain networks
  • Designing new money transferring systems
  • Auditing pre-existing token protocols
  • Creating novel blockchain ecosystems
  • Developing NFT marketplaces

When it comes to blockchain coding and programming complex code, there is no better way to do it securely than using Solidity. With its ever increasing importance in many facets of decentralized technology, having an experienced Solidity Expert on your team could be the competitive edge you need. So why wait? Post your project now on Freelancer.com and hire a Solidity Expert and create an unthinkable product or system!

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    We are seeking a talented and experienced Blockchain Developer or a team of developers to upgrade our existing Roulette Game project to incorporate blockchain technology. The successful candidate(s) will play a pivotal role in enhancing the game's security, transparency, and overall user experience by implementing cutting-edge blockchain solutions. Responsibilities: Collaborate with the existing development team to understand the current architecture and functionality of the Roulette Game project. Analyze and identify areas of improvement in the game's security, fairness, and user experience. Design and implement blockchain-based solutions to enhance the game's functionality, transparency, and reliability. Integrate smart contracts into the game's logic to ensure fair...

    $2575 (Avg Bid)
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    I have a erc20 token and a staking contract source include dapp .currently it deploy on other evm network .I need to deploy it on mumbai testnet with contract configured and it should work on mumbai testnet

    $159 (Avg Bid)
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    I am looking for an experienced blockchain developer specialized in Solana to help with creating and implementing a smart contract for my project. My main focus is on token creation and transfer functionality, as well as ensuring the smart contract can successfully interact with decentralized exchanges (DEX). **Requirements:** - **Token Creation and Transfer:** You should be able to design, build, and deploy a Solana smart contract that enables the creation of a new token and facilitates its transfer between parties. - **DEX Integration:** The contract must integrate smoothly with existing decentralized exchanges. Your expertise in ensuring this seamless integration is crucial. - **Security:** While not explicitly mentioned before, ensuring the security of the contract is paramount. Yo...

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    I’m in need of a proficient blockchain developer to create a cryptocurrency or token with a focus on smart contract functionality. This project does not have a defined use case yet, as it could range from supporting decentralized finance (DeFi) applications to potential uses in NFT marketplaces or even voting systems. The primary requirement is for the token to possess robust smart contract capabilities that are secure, efficient, and adaptable to various applications. **Essential Skills and Experience:** - Proficiency in Solidity and smart contract development - Experience with the Ethereum blockchain or compatible networks - Understanding of various blockchain protocols, especially pertaining to token creation - Knowledge in developing and deploying secure, gas-efficient smart con...

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    I'm urgently in need of an expert Solidity programmer to make crucial updates to our script. The modifications include: - Adding new features - Fixing existing bugs Ideal candidates should have proven experience in Solidity programming. I highly encourage sharing this experience while applying. We will discuss further details via chat. Please, only serious and immediately available freelancers should show interest. Your timely delivery is incredibly crucial for this project. Thanks.

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    Solana Tax Token Web Developer 4 zile left
    VERIFICAT

    I'm looking for a developer skilled in Solana blockchain technology to create a specialized SPL token that simplifies the tax calculation process for its users. This project is geared towards making tax compliance easier by automating the calculation of taxes directly within the token's ecosystem, accessible through a web interface. Ideal Skills and Experience: - Basic understanding of blockchain and Solana network - Experience in creating SPL tokens - Proficient in developing web interfaces - Knowledge in implementing automatic tax calculation features - Ability to integrate the token functionality with a user-friendly web interface - Familiarity with tax laws and calculation methods is a plus, but not required Project Requirements: - Develop a Solana SPL token with the capabi...

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    I'm hunting for a blockchain developer with an intermediate level of proficiency in Ethereum smart contracts. Functions: -ERC-20 Token Deployment with tax features -Simple Staking Contract. Your main responsibility will be to design and develop smart contracts on the Ethereum platform to facilitate the seamless interaction between involved entities. Key Responsibilities: - Design and create Ethereum smart contracts -ERC-20 Token Deployment with tax features -Simple Staking Contract. - Test, deploy, and optimize said contracts Preferred skills & experience: - Strong knowledge of Ethereum blockchain technology - Proven experience in creating Ethereum Smart Contracts - Solid conceptual understanding of cryptographic principles behind Blockchain technology - Able to produce bug...

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    I am looking for an expert in blockchain dev to deploy an ERC404 token urgently. The timeline is crucial, so I need someone who can commit to a 24-hour delivery. First, understand ERC404 token standard (Different from ERC20) Check: After checking, please fork this contract: contract: Note that since different ERC404 token is associated with different NFTs, when you are forking the above contract, make sure to use our project NFT image

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    We need an experience freelancer with a track record in Pre Sales and Smart Contracts. We need a crypto Web-3 Blockchain expert to develop an ERC pre-sale contract with in-built affiliate system. This intriguing project will entail: - Smart contract deployment: Your service in creating and deploying a solid, secure ERC token pre-sale smart contract is required. - Affiliate tracking system: An embedded affiliate program with tracking mechanism is part of this project. It needs to support a fixed percentage per sale. - Token distribution mechanism: Necessary for distributions after funds are raised. This contract's pre-sale duration is yet to be determined. Therefore, the contract should be flexible to accommodate a change in duration. Project: Crypto ERC Pre-Sale Contract with Af...

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    I need a well-versed blockchain expert to develop an ERC pre-sale contract with in-built affiliate system. This intriguing project will entail: - Smart contract deployment: Your service in creating and deploying a solid, secure ERC token pre-sale smart contract is required. - Affiliate tracking system: An embedded affiliate program with tracking mechanism is part of this project. It needs to support a fixed percentage per sale. - Token distribution mechanism: Necessary for distributions after funds are raised. This contract's pre-sale duration is yet to be determined. Therefore, the contract should be flexible to accommodate a change in duration. Project: Crypto ERC Pre-Sale Contract with Affiliate Capability. Are you an experienced Web-3 Developer? We are in need of a ERC Pre-...

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    I'm in search of a skilled blockchain developer who has a deep understanding of BNB Greenfield and opBNB platforms. My project is geared towards seamlessly integrating blockchain technology with an existing application, focusing specifically on advanced smart contracts integration. **Essential Skills and Qualifications:** - Proficient in Solidity. - Experience with BNB Greenfield and opBNB for efficient implementation. - Proven track record of developing and integrating advanced smart contracts. **Project Requirements:** - Analyze the existing application to determine the most effective integration points for blockchain technology. - Design and develop advanced smart contracts that meet the needs of our application. - Ensure that the integration enhances the application's func...

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    Job Description: We are seeking an experienced blockchain developer to create a sophisticated MEV (Maximal Extractable Value) arbitrage bot for the Ethereum Mainnet. The ideal candidate should have a strong background in Solidity, smart contracts, and Ethereum blockchain, with a deep understanding of decentralized finance (DeFi) ecosystems, flash loans, and arbitrage strategies. Responsibilities: Develop and deploy a high-frequency trading bot capable of identifying and executing profitable arbitrage opportunities across various DeFi platforms. Implement real-time mempool data analysis to detect and act on arbitrage opportunities before they are mined. Optimize smart contract code for gas efficiency and speed to ensure competitive advantage in MEV extraction. Ensure the bot’s secur...

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