Smart Contracts Jobs

Smart Contracts are a way of securely exchanging digital assets such as money, services, and goods. With this type of smart contract, both parties can have flexibility when it comes to managing their business and legal agreements. Smart Contracts allow two parties to set specific rules and obligations that are enforced through code on the blockchain. A Smart Contracts Expert can be hired to manage the development process from conception to implementation of a client's own Smart Contract.

Here's some projects that our expert Smart Contract Experts have made real:

  • Creation of unique DeFi capabilities including a transfer tax with certain maximum fee functions across different tokens.
  • Done for clients, the human-readable storage of vital information onto an immutable blockchain for safekeeping.
  • Designing peer-to-peer energy trading networks suited for use on Solidity blockchains.
  • Projects utilizing Bluetooth devices which make up a custodial wallet and its respective smart contract.
  • An innovative NFT Marketplace that allows users to engage in lazy minting capability.
  • Digital game creations with Algorand smart contracts guaranteed to deliver fair winnings upon completion.

In conclusion, any foray into blockchain technology with the aim of exchange or preservation of assets requires extensive experience in coding and developing secure trustless systems to ensure successful deployments of chains and contracts through its life cycle. With our talented community of Smart Contract Experts at Freelancer, any client can quickly hire experts to develop their custom project from scratch as long as their ideas are tangible and client can explain clearly what they require. We invite you to post your own project on Freelancer and let our experts help you achieve success!

De 24,505 opiniones, los clientes califican nuestro Smart Contracts Experts 4.8 de un total de 5 estrellas.
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    17 trabajados encontrados, precios en EUR

    Se requiere el desarrollo de un contrato inteligente, el cual consiste en la creación y puesta en marcha de un sistema de donaciones en la red de Solana o Polygon, aunque también se está abierto a otras sugerencias. Dónde se utilice para las donaciones entre los usuarios el Token de la misma red si es en Solana y si es en Polygon se implementara la criptomoneda estable USDT y que el sistema de donaciones funcione en una estructura multinivel con matriz de 4 frontales x 6 niveles de profundidad. Se requiere conjuntamente la página web de presentación del proyecto donde cada usuario pueda visualizar sus datos más importantes, referidos y comisiones. Las páginas web acá son solo un ejemplo, estamos abiertos a modelos má...

    €90 (Avg Bid)
    €90 Oferta promedio
    5 ofertas

    I'm seeking a highly experienced Web3 coder 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 Skills and Experience: - Proven experience as a Web3 coder - Mastery of Solidity - Extensive experience in smart contract coding - Proven ability to develop dynamic and upgrad...

    €46 (Avg Bid)
    Garantizado
    €46
    1 participaciones

    I'm looking for a seasoned Ethereum blockchain developer with a deep understanding of the platform, smart contracts, and Decentralized applications (DApps). Key Responsibilities: - Design, develop and launch smart contracts on Ethereum - Create groundbreaking Decentralized applications (DApps) This project is an excellent opportunity for a blockchain enthusiast eager to shape next-gen blockchain applications. Apply now to join this exciting venture!

    €10 (Avg Bid)
    €10 Oferta promedio
    3 ofertas

    I am seeking a detailed study of the Ethereum blockchain and EVM-compatible blockchains, with a focus on volume and uses analysis. Key features of the analysis should include: • Smart Contract Statistics Data collection from blockchain explorers (Etherscan, Polygonscan, etc.) for Ethereum and EVM-compatible chains. Analysis of transaction volumes and function executions for ERC721, ERC1155, and ERC20 contracts. Emphasis on key functions: claim, mint, stake, burn, and transfer. Information about the top 10 most famous EVMs. • Market Capitalization Analysis Examination of market capitalization data for ERC721, ERC1155, and ERC20 tokens. Utilization of cryptocurrency tracking platforms (CoinMarketCap, CoinGecko) for accurate market valuation. Presentation of market capitalization ...

    €418 (Avg Bid)
    €418 Oferta promedio
    12 ofertas

    I am seeking a detailed study of the Ethereum blockchain and EVM-compatible blockchains, with a focus on volume and uses analysis. Key features of the analysis should include: • Smart Contract Statistics Data collection from blockchain explorers (Etherscan, Polygonscan, etc.) for Ethereum and EVM-compatible chains. Analysis of transaction volumes and function executions for ERC721, ERC1155, and ERC20 contracts. Emphasis on key functions: claim, mint, stake, burn, and transfer. Information about the top 10 most famous EVMs. • Market Capitalization Analysis Examination of market capitalization data for ERC721, ERC1155, and ERC20 tokens. Utilization of cryptocurrency tracking platforms (CoinMarketCap, CoinGecko) for accurate market valuation. Presentation of market ca...

    €668 (Avg Bid)
    €668 Oferta promedio
    6 ofertas
    Create a Crypto Currency 5 días left
    VERIFICADO

    I am looking for someone who can create a cryptocurrency

    €8 / hr (Avg Bid)
    €8 / hr Oferta promedio
    5 ofertas

    I am seeking an expert knowledgeable about hybrid (PoW and PoS) TRC20 token mining. This project is aimed at generating passive income through the successful mining of these tokens. Skills/Experience: - Expertise in PoW and PoS systems - A sound understanding of TRC20 tokens and their mining process - Proven experience in creating profitable mining operations Please note no specific target audience has been identified, so the mining strategy should be versatile enough to be adapted if necessary. I encourage applicants from diverse backgrounds. The successful applicant will ultimately be able to demonstrate a successful track record of creating and managing effective mining strategies. Objectives: - Develop and implement a hybrid TRC20 token mining strategy - Share knowledge and...

    €25 (Avg Bid)
    €25 Oferta promedio
    2 ofertas

    At Spectra, our central mission is to redefine the boundaries of digital creation and seamless blockchain integration. We are dedicated to empowering creators, developers, and innovators by providing advanced yet accessible tools for crafting immersive meta-universes and blockchain applications. Our ultimate objective is to democratize the digital creation process, making it as straightforward and intuitive as possible while harnessing the cutting-edge technology.

    €46 / hr (Avg Bid)
    €46 / hr Oferta promedio
    12 ofertas

    I'm in urgent need of a Solana developer proficient in Rust. Your main responsibility will be: - Development of a Decentralized Application (DApp) Though not explicitly stated, additional capabilities such as user authentication, token swap, and staking functionality might come in handy. Skill and Experience: - Solid experience in DApp development. - Proficient in Rust and Solana blockchain is essential. - Demonstrable experience with Solana technology stack will give you a significant advantage. This task requires urgent attention, so I'm seeking a developer who can start ASAP. Please only bid if you are from India and can meet the deadline. Your prompt response will be greatly appreciated.

    €9 / hr (Avg Bid)
    €9 / hr Oferta promedio
    7 ofertas

    As a disruptive enterprise, I'm looking for an experienced Blockchain developer with a strong background in creating smart contracts. What I am specifically after is the development of a Blockchain application tailored for the supply chain industry. Some of the essential skills and experiences required for this project include: - Extensive experience in Blockchain application development, particularly in the creation and implementation of smart contracts - Proficient understanding of the supply chain industry - Proven record of developing Blockchain applications for specific industries Your success in this role will be determined by your technical proficiency in Blockchain development and your ability to create a bespoke solution for a specific industry, in this case, the supply...

    €67 (Avg Bid)
    €67 Oferta promedio
    6 ofertas

    I require an experienced developer, skilled in TRC20 Network and Solidity programming language for blockchain development. - Blockchain Platform: The project will be developed on the TRC20 Network, so expertise in this platform will be essential. - Programming Language: Solidity is our preferred language, the freelancer should possess advanced knowledge and hands-on coding experience. - Experience Level: I'm looking for a professional who has an advanced level understanding and experience of Solidity and TRC20 Network, to effectively complete the project. Kindly submit your bid alongside the proof of your knowledge and experience in Solidity, preferably on the TRC20 Network. I appreciate your understanding and interest. Payment made once the Product ready to deliver NO ADVA...

    €9996 (Avg Bid)
    €9996 Oferta promedio
    11 ofertas

    I'm in search of a proficient full-stack Blockchain developer, with niche experience in Binance Smart Chain. Your primary task will be to create tokens and subsequently integrate them with the partially developed front-end and back-end of my project. Specifics of job include but are not limited to: - Token creation on Binance Smart Chain - Integration of newly created tokens with the existing front-end and back-end, developed with Python and JavaScript Ideal skills for the job: - Proven experience in Binance Smart Chain - Expertise in Python and Javascript - Familiarity with full-stack blockchain development Your role is crucial to the advancement of my project and I look forward to your suggestions and ideas. Your understanding of blockchain technology must be top-notch to perf...

    €18 / hr (Avg Bid)
    €18 / hr Oferta promedio
    56 ofertas

    I'm seeking highly skilled blockchain developers with a primary focus on new blockchain development. - Key Expectations: - Have substantial experience in all stages of blockchain development - Proven track record with blockchain projects, particularly in developing new blockchains and cryptocurrencies. We are working on the development of a new blockchain. You can also contribute your own ideas and become part of the founding team, which will be very attractive financially once the blockchain is launched. Are you passionate about such a new project and ready to give it your all? Then get in touch with us.

    €46355 (Avg Bid)
    €46355 Oferta promedio
    35 ofertas
    DApp Development in Ethereum 1 día left
    VERIFICADO

    I'm looking for a skilled Blockchain Programmer who's proficient in Ethereum to assist in developing a Decentralized Application (DApp). Ideal Skills: - Proficiency in Ethereum and DApp development. - Experienced in creating smart contracts. Project Requirements: - The smart contract should support trading transactions. - There should be secure storage functionality ensuring data protection in the smart contract. Your skillset should match these requirements. Please demonstrate your previous projects in DApp development and Ethereum programming when bidding. Your familiarity with smart contracts is a crucial aspect of this project.

    €2234 (Avg Bid)
    €2234 Oferta promedio
    39 ofertas

    I'm in need of an experienced blockchain developer with proficiency in Ethereum to aid in the development of a decentralized application. - Key Skills and Experience - A strong background in ethereum-based programming - Demonstrated experience in dApp development - Ability to design and build smart contracts with intermediate extended features. Your primary role will be to design, develop, and implement a dApp on the Ethereum platform with smart contracts featuring intermediate extended functions. Evidence of past projects detailing similar work would greatly increase your chance of success in this bid. Looking forward to collaborating with an expert in this field.

    €2508 (Avg Bid)
    €2508 Oferta promedio
    41 ofertas
    Tokenização usina solar 18 horas left
    VERIFICADO

    Preciso de um desenvolvedor para tokenização, trabalho com construção de usinas solares, e gostaria de tokenizar essas usinas e todo o processo que engloba isso.

    €422 (Avg Bid)
    €422 Oferta promedio
    6 ofertas

    I require an experienced developer, skilled in TRC20 Network and Solidity programming language for blockchain development. - Blockchain Platform: The project will be developed on the TRC20 Network, so expertise in this platform will be essential. - Programming Language: Solidity is our preferred language, the freelancer should possess advanced knowledge and hands-on coding experience. - Experience Level: I'm looking for a professional who has an advanced level understanding and experience of Solidity and TRC20 Network, to effectively complete the project. Kindly submit your bid alongside the proof of your knowledge and experience in Solidity, preferably on the TRC20 Network. I appreciate your understanding and interest. Payment made once the Product ready to deliver NO ADVANCE due...

    €22602 (Avg Bid)
    €22602 Oferta promedio
    7 ofertas

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