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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    16 งานที่พบ, การเสนอราคา USD
    $170 การประมูลเฉลี่ย
    4 คำเสนอราคา
    Urgent - Fix the bug for web3 integration in Presale 6 วัน left
    ยืนยันแล้ว

    Description: Are you a skilled MERN stack developer with experience in Web3 technologies? We're seeking a talented individual to join our team on a freelance basis to assist with the development of cutting-edge decentralized applications (dApps) using the MERN stack and integrating Web3 functionalities. Responsibilities: Collaborate with our team to design and develop decentralized applications (dApps) using the MERN stack. Implement smart contracts and integrate blockchain functionalities using or similar frameworks. Write clean, maintainable code and conduct thorough testing to ensure the reliability and security of the applications. Work closely with designers, product managers, and other stakeholders to translate requirements into technical solutions. Stay updated on emerging te...

    $23 / hr (Avg Bid)
    $23 / hr การประมูลเฉลี่ย
    53 คำเสนอราคา

    I'm seeking an experienced full-stack developer to build an NFT marketplace for me using the Ethereum blockchain. The key functionalities to be integrated into this platform are as follows: - Buy & Sell Capabilities: Users should be able to seamlessly list their NFTs for sale or purchase available ones. - Bidding System: A feature enabling prospective buyers to bid on listed NFTs should be implemented. - Creator Royalties: The platform should provide ongoing royalties for creators whenever their NFTs are sold. - Creating NFTs: It should allow users to create NFTs in different formats like image, audio, video files. In terms of payments, the system should exclusively handle transactions via Ethereum. Given the complex nature of this project, it would be highly advantageous if ...

    $163 (Avg Bid)
    $163 การประมูลเฉลี่ย
    14 คำเสนอราคา
    DeFi Smart Contract on Ethereum 5 วัน left
    ยืนยันแล้ว

    I'm seeking an adept blockchain developer with expertise in Ethereum-based smart contract development, specifically for a Decentralized Finance (DeFi) application. Key Requirements: - Proficient in creating Ethereum smart contracts - Solid experience and understanding of DeFi applications - Proven ability to create safe, efficient, and functional DeFi smart contracts. Your responsibility will be to develop a smart contract that runs smoothly, securely, and fulfills all the necessary functionality of a robust DeFi application. The smart contract will be audited independently for security and efficiency, so it's imperative that your work be of high quality.

    $418 (Avg Bid)
    $418 การประมูลเฉลี่ย
    10 คำเสนอราคา

    I need assistance in developing a sophisticated Ethereum Smart Contract. The contract should be designed to automatically distribute funds and interact smoothly with other contracts. Key features: - Automatic Distribution of Funds: The smart contract must be able to distribute funds without manual intervention. - Contract Interaction: The smart contract should effectively interact with other contracts. This involves: - Calling Functions: Ability to call functions of other smart contracts. - Reading Data: The contract should read data from other smart contracts. Ideal candidates will have extensive experience with: - Solidity and Ethereum network - Developing and testing smart contracts - Understanding of how smart contract interaction works Developers who have undertaken similar proje...

    $13 / hr (Avg Bid)
    $13 / hr การประมูลเฉลี่ย
    22 คำเสนอราคา
    Crypto DAO / Dex and TG bot 5 วัน left
    ยืนยันแล้ว

    Hi, would you be able to do something like this? Create a DAO with features, using our token and NFTs to unlock premium features and other perks. For creative purpose / illustration: 7. types of features: 1. Maestrobot (tg bot) 2. (dapp) 3. Crypto mixer 4. Crypto/ NFTs staking 5. Referral system 6. Voting system 7. Crypto wallet Those are basically the features. The rest basically we would like for the design to look visually appealing and futuristic.

    $1332 (Avg Bid)
    $1332 การประมูลเฉลี่ย
    41 คำเสนอราคา

    Explaining the functionality and behavior of a token Not big deal.

    $124 (Avg Bid)
    $124 การประมูลเฉลี่ย
    7 คำเสนอราคา
    Solana copy trade and front running bot 4 วัน left
    ยืนยันแล้ว

    I'm looking for an expert developer to build a copy trade and front running bot that works on Solana. The bot needs to copy trades from a wallet that is using a custom program to buy/sell tokens. In addition to copying trades, the bot will also have to buy and sell before the target wallet. So the bot should use Gulf Stream to search on pending txs. I'm looking for an experienced programmer who has already created something similar. THIS IS IMPORTANT: If you have experience in developing such bots, when you contact me please send proof of your work (videos, transaction records) and your pricing for a project like this.

    $39 / hr (Avg Bid)
    $39 / hr การประมูลเฉลี่ย
    36 คำเสนอราคา
    BEP20 Staking Platform Development Expert 4 วัน left
    ยืนยันแล้ว

    For the professional who can help bring my vision to life, I am looking for a BEP20 staking expert who has the knowledge and experience with building a staking platform. The platform should have specific functionalities: - It must include an automatic rewards distributions system. - An early unstaking penalties mechanism is also essential. Ideal candidates should have prior experience in building staking platforms, familiarity with BEP20 tokens staking, automatic reward distribution, and with designing penalty mechanisms for early unstaking. A keen eye for modern and minimalistic design is also favored.

    $546 (Avg Bid)
    $546 การประมูลเฉลี่ย
    65 คำเสนอราคา
    Web3 Developer for DeFi/DApps/Dex 4 วัน left
    ยืนยันแล้ว

    Looking for an experienced web3 developer, confident using blockchain technology for the updating Dex Key Qualifications: - Proven experience with Dex development - Proficient in Solidity and JavaScript Project Objective: - Build Decentralized Finance (DeFi) and Decentralized Applications (DApps) on the Ethereum platform. This role is best suited for a senior developer with a comprehensive understanding of Ethereum and the associated coding languages. You'll be instrumental in creating innovative DeFi and DApps tools, assisting our team in leveraging blockchain technology to its fullest potential.

    $15994 (Avg Bid)
    $15994 การประมูลเฉลี่ย
    26 คำเสนอราคา
    Ethereum Arbitrage Trading Smart Contract in Solidity 1 วัน left
    ยืนยันแล้ว

    I'm working on a personal project, I am seeking an experienced blockchain developer to create an Ethereum smart contract designed for arbitrage trading across multiple decentralized exchanges (DEXes). The project involves creating a smart contract similar to a provided example, with functionalities for automatically executing trades to capitalize on price differences between tokens across DEXes. The ideal candidate should have a strong background in Solidity and familiarity with the Ethereum blockchain, smart contract development, and DEX protocols. *** I already have an existing working code, I need someone to make the necessary changes for my needs. *** Requirements: - Strong experience in Solidity and smart contract development on the Ethereum platform. - Understanding of decent...

    $243 (Avg Bid)
    $243 การประมูลเฉลี่ย
    18 คำเสนอราคา
    Ethereum Token Creation Expert 1 วัน left
    ยืนยันแล้ว

    As an entrepreneur venturing into blockchain technology, I am primarily searching for an industry expert who can help successfully create an Ethereum-based token. Key Responsibilities: - Developing a smart contract for token creation - Ensuring the token is fit for purpose and reliable Ideal Candidate: - Mastery of Ethereum blockchain technology - Proven track record in smart contract creation - Ability to deliver top-quality work with little supervision Please note, a separate professional will perform the security audit afterward, meaning your focus should be solely on the development of the smart contract. Let's make a remarkable difference in the blockchain industry together!

    $172 (Avg Bid)
    $172 การประมูลเฉลี่ย
    7 คำเสนอราคา
    A Metamask Clone Crypto wallet for Andriod/Ios with a different UI design 12 ชั่วโมง left
    ยืนยันแล้ว

    I'm seeking to make an Crypto wallet app based on Metamask Crypto wallet with a different UI Please include in your application your experience pertaining to the skills mentioned above.

    $2223 (Avg Bid)
    $2223 การประมูลเฉลี่ย
    72 คำเสนอราคา

    As a tech-savvy entrepreneur, I am seeking an experienced software developer to create a cutting-edge token management platform using the Binance Smart Chain. Proficiency in smart contract development and web application integration is a must. Scope of Work: - Development of a smart contract with token creation functionality. - Incorporation of the smart contract into a web-based token management application. Key Qualifications: - Proven experience in implementing smart contracts on the Binance Smart Chain. - Prior work on token creation and management platforms. - Familiarity with front-end and back-end integration of web applications. If you have a passion for blockchain technology and the skills to make this project a success, I invite you to place your bid. With your help, we aim t...

    $21 / hr (Avg Bid)
    $21 / hr การประมูลเฉลี่ย
    41 คำเสนอราคา
    Blockchain MemeFi Revolution หมดเขตแล้ว left

    "I’m on the hunt for a passionate and driven junior full-stack developer with a keen interest in blockchain technology and the dynamic world of meme coins. This is more than just a freelance opportunity—it's your gateway to potentially significant earnings and a step towards financial independence through direct involvement in a meme coin project. Solid skills in frontend development, particularly HTML, CSS, and JavaScript. A good understanding of or willingness to learn AI implementations in web development. An enthusiastic attitude towards learning and contributing to a project with high growth potential. What you'll get: A competitive freelance rate with an extraordinary bonus structure: a share in the meme coin project, offering a tangible stake in its suc...

    $1872 (Avg Bid)
    $1872 การประมูลเฉลี่ย
    38 คำเสนอราคา
    Trophy icon Solidity Guru for Dynamic Smart Contracts 4 วัน left

    After this contest, there is the potential for an ongoing position. I'm seeking a highly experienced Web3 coder an experienced blockchain developer proficient in Solana and distributed ledger technology for a project focused on implementing dynamic smart contract functionalities. Key Responsibilities: - Design and develop dynamic smart contract - Implement upgradable contracts to ensure longevity and adaptability - Utilize your expertise in Solidity to carry out these tasks effectively This project aims to create a dynamic smart contract that can upgrade itself. If you have worked on similar projects or have the necessary skills, your expertise will be highly appreciated. This is not just about writing codes; your innovative input will be an added advantage. Ideal Ski...

    $50 (Avg Bid)
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