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!

A partir das avaliações de 18,242, os clientes avaliam nosso Solidity Experts 4.87 de 5 estrelas.
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    17 trabalhos encontrados, preços em USD

    Tron based Dapp is already live since January 2023. More than 1700 active wallets on the Dapp. Need some trouble shooting for specific number of wallets (Less than 10) having an issue in withdrawals. Developer could also be hired permanently to maintain the Dapp and be paid on a monthly basis split into 2 equal payments. Experts in Solidity and Node Js preferrable. Smart Contract Link :

    $267 (Avg Bid)
    Urgente
    $267 Média
    8 ofertas
    Pancakeswap pair listing event 6 dias left
    VERIFICADO

    I want to get a notification when a token pair is listed on pancakeswap I can give you the token pair address, so when this pair is listed, I should be able to get a event or message or update the database(my db)

    $39 / hr (Avg Bid)
    $39 / hr Média
    34 ofertas

    Must begin within 12 hours, Must show code progress daily!!! I am looking for a skilled blockchain and UI developer to help create and integrate smart contract . The ideal candidate will have experience with Polygon and ERC-20 tokens. Candidate must integrate and edit existing UI. MUCH MORE WORK AFTER THIS TASK. The tokens used for this contract are SC, SN, and LV1POS Users can stake any amount in the following ratio. XDesiredPOS = 19 parts SC : 1 part SN = LV1POS uint256) { // Calculate the staking amounts based on the desired levelOnePOS value uint256 amountSC = (desiredLevelOnePOSValue * 19) / 20; uint256 amountSN = desiredLevelOnePOSValue - amountSC; return (amountSC, amountSN);

    $179 (Avg Bid)
    $179 Média
    29 ofertas

    I am in need of a blockchain developer who specializes in Ethereum. The specific task I need the developer to complete is cryptocurrency development. The expected timeline for the project is 1-2 weeks. Ideal Skills and Experience: - Strong experience in Ethereum blockchain development - Expertise in cryptocurrency development - Knowledge of smart contract development - Ability to work within tight timelines

    $872 (Avg Bid)
    $872 Média
    18 ofertas

    Hi, i want website like bsccheck(eu) similar to that website

    $124 (Avg Bid)
    $124 Média
    7 ofertas

    I am looking for a developer with experience in decentralized exchanges (DEXs) and crypto arbitrage to create a bot that can continuously run trades. The bot will be using Uniswap, PancakeSwap, and SushiSwap for arbitrage. The ideal candidate should have a strong understanding of the cryptocurrency market and be able to develop a bot that can make trades quickly and efficiently. The maximum allowed slippage percentage is not specified, but the bot should be designed to minimize slippage as much as possible. The bot should be able to perform multiple trades per day, and should be able to run continuously without interruption.

    $17952 (Avg Bid)
    $17952 Média
    31 ofertas

    I am looking for a skilled developer to help me build a Dapp on the Ethereum blockchain with a primary purpose of decentralized finance (DeFi) functionality. The Dapp should have smart contract functionality and be interoperable with other blockchains. I require a full design for the Dapp's user interface and am looking for a developer who can provide assistance with this. The ideal candidate should have experience in building Dapps on the Ethereum blockchain, as well as expertise in designing user-friendly interfaces. Key project requirements: - Building a Dapp on the Ethereum blockchain with DeFi functionality - Smart contract functionality - Interoperability with other blockchains - Full design for the Dapp's user interface - Experience in building Dapps on the Ethereum bl...

    $702 (Avg Bid)
    $702 Média
    60 ofertas

    I am looking for a website developer to create a platform for real estate tokenisation. The purpose of the website is to provide a platform for real estate tokenisation. I require user registration and login features,crypto token sale on the platform. The website should have a modern design. Ideal candidates should have experience in website development and web3 knowledge particularly in creating platforms for tokenisation. The website should have a user-friendly interface and be easy to navigate. Other features that I would like to see on the website include token trading system and real estate project listings. I prefer a modern design for the website.

    $592 (Avg Bid)
    $592 Média
    90 ofertas

    I'm looking for a developer who can fix the functionality issues on my BEP20 token contract, and launch it on the Binance Smart Chain platform. Additionally, I need a website that includes information about the token, such as its name, price, and supply. Ideal skills for this project include experience with BEP20 tokens, smart contract development, and web development. The website should include a section for token information, such as the tokenomics and its use case, but I don't need a roadmap or team profiles at this time.

    $314 (Avg Bid)
    $314 Média
    4 ofertas

    Hi, i am looking for some one who can make tool like bsccheck . eu let me know if you can do it, thanks

    $121 (Avg Bid)
    $121 Média
    5 ofertas
    BSC & ETH smart contract needed 3 dias left
    VERIFICADO

    I currently have two smart contracts, both designed to perform the same function, that I need deployed on both the Ethereum and Binance Smart Chain blockchains. The foundational code for these contracts is already prepared, but they require some modifications. Given the nature of the changes, this task shouldn't be a massive undertaking and is expected to be completed within a day. Upon agreement to take on this job, I will provide the contract 0x addresses. Please ensure to review and check for correct language and terminology in the contracts

    $16 / hr (Avg Bid)
    $16 / hr Média
    27 ofertas
    NFT Staking Project on Tron 1 dia left
    VERIFICADO

    I am looking to gather quotes for a new NFT Project, and need someone who can help me create an NFT staking project on Tron. Basic 1 Tier NFT Design. Profit Share for NFT holders Ability to resell to Contract. Website and Dapp to view amount of total capital and profit generation etc. Ideal Skills and Experience: - Experience in creating NFT staking projects on Tron - Strong knowledge of Tron blockchain technology - Ability to create fully functional prototypes and conceptual designs - Proficient in technical documentation and providing continuous support and updates - Strong communication skills for effective troubleshooting and problem-solving.

    $460 (Avg Bid)
    $460 Média
    34 ofertas

    I am looking to gather quotes for a new NFT Project, and need someone who can help me create an NFT staking project on Tron. Basic 1 Tier NFT Design. Profit Share for NFT holders Ability to resell to Contract. Website and Dapp to view amount of total capital and profit generation etc. Ideal Skills and Experience: - Experience in creating NFT staking projects on Tron - Strong knowledge of Tron blockchain technology - Ability to create fully functional prototypes and conceptual designs - Proficient in technical documentation and providing continuous support and updates - Strong communication skills for effective troubleshooting and problem-solving.

    $751 (Avg Bid)
    $751 Média
    38 ofertas
    blockchain 1 dia left
    VERIFICADO

    I am in need of a blockchain developer to assist me with the development of a blockchain project for Supply Chain Management. The ideal candidate should have expertise in Solidity programming language and experience in blockchain development. Specifically, I require assistance with the development of the blockchain project. Therefore, the ideal candidate should have a strong background in blockchain development and be proficient in Solidity programming language. The intended use case for the blockchain project is for Supply Chain Management. Therefore, the ideal candidate should have prior experience in developing blockchain solutions for Supply Chain Management. In summary, the ideal candidate should have the following skills and experience: - Proficiency in Solidity programming lan...

    $540 (Avg Bid)
    $540 Média
    31 ofertas

    trabajos freelance Requerimientos: Tenemos: .Parámetros (Códigos) .Plan de Negoció .Hoja de Ruta .Viabilidad . Economía Sustentable, Autónoma y Automática .Regulaciones DAO, Criptomonedas y NFT .Branding y Marketing Buscamos: .Programador .Diseñar y Ejecutar Smart Contract .Prueba del Smart Contract en la Testnet .Diseño y Conexión de una Web para conectar al Smart Contract Gracias. Saludos Cordiale

    $664 (Avg Bid)
    $664 Média
    15 ofertas

    Tenemos: .Parámetros (Códigos) .Plan de Negoció .Hoja de Ruta .Viabilidad . Economía Sustentable, Autónoma y Automática .Regulaciones DAO, Criptomonedas y NFT .Branding y Marketing Buscamos: .Programador .Diseñar y Ejecutar Smart Contract .Prueba del Smart Contract en la Testnet .Diseño y Conexión de una Web para conectar al Smart Contract Gracias. Saludos Cordiales. Rafael

    $707 (Avg Bid)
    $707 Média
    23 ofertas
    Liquity Arbtrage Bot 8 horas left
    VERIFICADO

    # Liquity Arbitrage This project will perform an arbitrage of LUSD/ETH pair. This will be done by 2 steps 1. Swap ETH for LUSD at uniswap 2. Redeem LUSD for ETH at liquity # Design The project has two main components , one is the node server and another is the smart contract. The node server is responsible for keeping a track of the prices of ETH at chainlink and at uniswap. When we notice a price difference where there is a possiblity of a profit from arbitrage it will trigger the smart contract to perform the arbitrage between uniswap and liquity smart contracts. ### How is the amount of eth to be used for the arbitrage calculated ? We have three restrictions in determining the ETH that can be used for the arbitrage. 1) The ETH present in the arbitragers wallet 2) The redeemable...

    $2495 (Avg Bid)
    $2495 Média
    8 ofertas

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