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 20,661, os clientes avaliam nosso Solidity Experts 4.85 de 5 estrelas.
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    12 trabalhos encontrados, preços em USD
    TRON blockchain smart contract 6 dias left
    VERIFICADO

    I'm looking for a developer with experience in TRON blockchain smart contracts to create tokens. Purpose: - TRC20 token creation, token name: Tether United States, abbreviation: UDST, total amount: 43822280871.854848, accuracy: 6, contract suffix Lj6t timeline: - I need to complete the project in 1 day Skills and Experience: - TRON blockchain and smart contract development experience Please note! ! ! The contract suffix is ​​random, I need to use any skills to let the contract suffix specify Lj6t

    $167 (Avg Bid)
    $167 Média
    7 ofertas
    Flash Loan Arbitrage bot 6 dias left
    VERIFICADO

    I will need the development of an arbitrage bot (smart contract) that will be able to use flash loans to make arbitrage trades between uniswap ,sushiswap, balancer and any other reliable DEX. The bot should be able to spot arbitrage opportunities and quickly execute flash loans from either Aave or Dydx to make trades with them. The flash loan amount (collateral) should be determined by the bot. The bot should be able to execute flash loan arbitrages with the right amount of gas fee in order not to be front run by another bot The bot should be able to repay the flash loan plus the gas fees and then send the profits into the wallet address of the owner . All this should be done automatically and simultaneously.

    $1371 (Avg Bid)
    $1371 Média
    11 ofertas

    I am looking for a skilled developer to create a Smart Contract for BEP-20 Tokens. The Tokens will have the following features: - Lockup: The tokens should have a lockup period of 24 months. - Staking: The tokens should include a staking feature. - Staking Rewards: I would like to provide fixed/variable percentage staking rewards to the token holders. Ideal Skills and Experience: - Solid understanding of blockchain technology and smart contract development. - Proficiency in programming languages such as Solidity. - Experience in developing smart contracts for BEP-20 tokens. - Familiarity with lockup and staking features in smart contracts. - Ability to implement fixed percentage staking rewards. If you have the necessary skills and experience, please submit your proposal.

    $371 (Avg Bid)
    $371 Média
    16 ofertas

    I am looking for a developer to create a layer 2 blockchain powered by OP Stack with high scalability, privacy, and Ethereum protocol. This project is particularly important as it requires the utmost in security and privacy standards for our users. We need a blockchain solution that can easily scale to fit our users’ requirements, with maximum scalability and optimal performance. Additionally, it should include features such as transaction data privacy and interoperability on top of the Ethereum protocol, to ensure the maximum level of security for our users. Our team of experts is ready to answer any questions you have about this project, or provide additional information if needed.

    $4611 (Avg Bid)
    $4611 Média
    27 ofertas
    Ethereum marketplace frontend 4 dias left
    VERIFICADO

    I am looking for assistance on my blockchain project that requires developing a DApp on the Ethereum platform The freelancer I am looking to hire will be tasked with creating a front end for my DApp. They must have experience with DApp development and be comfortable working with the Ethereum platform. Familiarity with web3, Solidity, Truffle, javascript frameworks such as React. My end goal is to develop a user-friendly decentralised marketplace. I expect the successful candidate to ensure the highest standards of quality in their work. In addition, this person must complete the job in an efficient and timely manner. I am committed to making sure that the successful freelancer has all the resources and support they need to complete the project to the best of their ability. If this sou...

    $792 (Avg Bid)
    $792 Média
    11 ofertas

    Web3 Developer required for long term Skills required: - ReactJS - Dockerization - Blockchain development - Solidity - Smart contract development Project Type: Ongoing Work Preferred Work Arrangement: Individual freelancer

    $463 (Avg Bid)
    $463 Média
    23 ofertas

    We are looking for a solidity and react developer to join our staff and take on development of several exciting and creative projects. You will work with a team of international experts for this project. - Be familiar with Solidity, Hardhat, Truffle, Scaffold-ETH. - Be able to read and explain an existing Solidity contract. - Demonstrate ability to deploy contracts to an EVM network. - Be familiar with IPFS. - Be able to take a design and be able to convert it to a react app. - Be familiar with attacks/hacks (reentrancy and others) and have some understanding of mitigation of these using standard practices. - Javascript required. - Clojure knowledge is a very nice bonus. To be considered, please write "I am a freelancer" at the top of your proposal.

    $20 / hr (Avg Bid)
    $20 / hr Média
    46 ofertas

    Agencia o freelancer experta en programacion, que conozca de blockchain y el funcionamiento de contratos inteligentes, para crear un bot en solidity mediante el IDE de ethereum "remix". La idea es que el bot se ejecute mediante un contrato inteligente y pueda tomar oportunidades de arbitraje en uniswap para poder retirar mis ganancias directo en la billetera con la que se creó el contrato inteligente y tener un rendimiento sobre el capital invertido en dicho contrato, un proyecto pequeño pero poderoso!

    $4136 (Avg Bid)
    $4136 Média
    11 ofertas

    I am looking for a skilled developer to create a full website with multiple pages for my crypto presale project. The ideal candidate should have experience in website development and be familiar with crypto token sales. Required Features: - Token Purchase Function: The website should allow users to purchase tokens for the presale. - User Registration & Login: Users should be able to create accounts and log in to access their token purchases. - Live Chat Support: The website should have a live chat feature to provide support to users. Design: I am open to the designer's suggestions for the website design. The designer should have a good eye for aesthetics and be able to create a visually appealing and user-friendly website. Overall, I am looking for a professional and reliable d...

    $197 (Avg Bid)
    $197 Média
    38 ofertas

    Hello freelancers! I have a live NFT marketplace working on Ethereum blockchain. Please check here. I want to upgrade my NFT marketplace with some functions like buy order and sell order like OpenSea. I will provide full source code - smart contract and frontend. Please feel free to apply if you think you can handle this project from the beginning to the end. Thanks.

    $34 / hr (Avg Bid)
    $34 / hr Média
    73 ofertas
    Custom Ethereum Token Creation 1 hora left
    VERIFICADO

    I am looking for a skilled developer who can create a custom Ethereum token for my project. The purpose of this token is to serve as a security token for investment purposes. Skills and Experience: - Experience in creating ERC-20 tokens - Familiarity with the Ethereum blockchain and smart contract development - Knowledge of token standards and best practices for security tokens Project Requirements: - Creation of a custom Ethereum token based on the ERC-20 standard - Development of smart contracts and integration with the Ethereum network - Implementation of necessary security measures to ensure the token's integrity and investor protection Token Quantity: - The project requires the creation of less than 100 tokens. If you have experience in creating custom Ethereum tokens and ar...

    $697 (Avg Bid)
    $697 Média
    29 ofertas
    Cyclos 4 pro configuration 3 dias left
    VERIFICADO

    Project Description: Cyclos 4 Pro Configuration I am seeking a skilled freelancer to assist with the configuration of Cyclos 4 Pro. The specific configurations required for this project include: - Custom branding: I would like to customize the branding elements of Cyclos 4 Pro to align with my organization's visual identity. It is important to note that there are no existing users that need to be migrated to the new configuration. The ideal freelancer for this job would have experience and expertise in configuring Cyclos 4 Pro, with a focus on custom branding. Additionally, the freelancer should be able to work efficiently and deliver results within a week.

    $23 / hr (Avg Bid)
    ADC
    $23 / hr Média
    37 ofertas

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