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 22,064 opiniones, los clientes califican nuestro Smart Contracts Experts 4.86 de un total de 5 estrellas.
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    13 trabajados encontrados, precios en USD

    I'm seeking a skilled blockchain expert with a profound understanding of Ethereum blockchain technology. The primary objective of this project is to develop a basic token creation smart contract. Your responsibilities will include: - Creating a basic token on the Ethereum blockchain - Ensuring the smart contract is secure and functional - Assisting with deployment and integration as needed The ideal candidate for this project is someone who: - Has a proven track record of successfully creating Ethereum-based smart contracts - Possesses a deep understanding of blockchain technology - Is familiar with best practices for security and efficiency in smart contract development Your ability to deliver on time, with great attention to detail and security, is crucial. Please be prepared t...

    $17 / hr (Avg Bid)
    $17 / hr Oferta promedio
    42 ofertas

    I'm seeking a skilled blockchain developer with expertise in Solidity programming and Ethereum Virtual Machine (EVM) for the development of a decentralized application (dApp) with DeFi functionalities. We want to build this: With some changes: - colors, branding - different EVM blockchain (Base) I have the codebase, and the contract. What I need is: - for you to modify codebase for new contract, and new design. - host it (on Netlify, or something similiar if you think it is better). Or explain me how to host it. - assist me with testing on testnet.

    $54 / hr (Avg Bid)
    $54 / hr Oferta promedio
    59 ofertas

    I'm in search of a seasoned blockchain developer who can create a brand-new cryptocurrency for me. The cryptocurrency is intended to serve as a smart contract platform, so it needs to have the capability to handle smart contracts. Key Deliverables: - Development of a new, custom cryptocurrency - Full-fledged smart contract implementation - Ensuring the platform is secure and scalable - Assistance with deployment and post-launch support Ideal Skills: - Proficiency in blockchain technology - Experience in custom cryptocurrency development - Expertise in smart contract creation - Strong understanding of security measures - Previous work with scalable platforms - Ability to provide post-launch support and maintenance Please share your relevant experience, and let me know if you can...

    $1469 (Avg Bid)
    $1469 Oferta promedio
    28 ofertas

    I'm looking to set up a payment portal on the Radix network that caters to individual users. This portal is specifically meant to facilitate instant payments through cryptocurrency. Key Requirements: - **Radix Network Integration**: You should be familiar with the Radix network and have experience in setting up payment systems on it. - **Cryptocurrency Integration**: The payment gateway should support any cryptocurrencies on the Radix network. - **User-Friendly Design**: The portal should be intuitive and easy to navigate for individual users. - **Instant Payment Processing**: The primary goal for this portal is to facilitate quick payments, so a fast and reliable payment processing system is essential. Ideal Skills: - Experience with Radix network - Proficiency in setting up crypto...

    $953 - $1905
    Destacado Sellado
    $953 - $1905
    19 ofertas
    Trophy icon Tron Smart Contract Developer 3 días left

    We are looking for a skilled Tron developer to join our team and help develop a smart contract for a wallet application. The ideal candidate should have experience with Tron blockchain development and be familiar with BIP 39 or BIP 44 for address generation. Responsibilities: 1) Develop a smart contract on the Tron blockchain for a wallet application. 2) Implement functionality for address generation using BIP 39 or BIP 44. 3) Ensure that fees for all wallet transactions, including sending TRX or any ERC10 or ERC20 tokens, are deducted from a specified multiple accounts assigned in the smart contract, and not from user. 4) Also user need to pay the fees to the contract as an escrow, i.e. user will not pay the transaction fee, the transaction fee will be paid by the assigned accounts in ...

    $1000 (Avg Bid)
    Garantizado
    $1000
    2 participaciones

    I am in need of a talented blockchain developer who can create a BEP20 Crypto Wallet with integrated smart contract capabilities. Key Requirements: - Cryptocurrency Support: The wallet should primarily support BEP20 tokens, enabling users to store and manage this particular type of cryptocurrency. - Smart Contract Functionalities: The smart contract within the wallet should enable contract deployment and execution. Ideally, I would like the smart contract to also have a specific feature for generating a consistent income for users. - Cross-Platform Accessibility: The wallet should be designed for mobile use, available on both iOS and Android devices. Ideal Skills and Experience: - Proficiency in BEP20 Token Development: Experience in creating and handling BEP20 tokens is crucial...

    $1434 (Avg Bid)
    $1434 Oferta promedio
    23 ofertas

    We are seeking a skilled Frontend Developer to integrate a staking smart contract with a React frontend page for interaction. The project involves combining a pre-existing staking smart contract, staking React page, and token contract to create a seamless user experience. The necessary components including the staking contract, staking react page and token contract have already been prepared. Initially, we will conduct trials on the Sepolia testnet or other testnet to ensure all systems are operational before launching on the Ethereum mainnet. I have already source code for UI. If you're a skilled Frontend Developer with a passion for blockchain and smart contracts, please submit your resume and a brief cover letter explaining your experience and qualifications for the position. We ...

    $36 / hr (Avg Bid)
    $36 / hr Oferta promedio
    21 ofertas

    I am seeking a proficient blockchain engineer on TON blockchain (The Open Network) to implement a wide array of smart contracts on my website. The successful freelancer will have extensive experience with: - Token creation and management - Decentralized finance (DeFi) protocols - Non-fungible tokens (NFTs) - Processes of Buying Jetton, conversions, NFT launches - Creating secondary marketplace - Burning NFTs ---------- About project: STONE on TON This project introduces an innovative approach by creating an efficient ecosystem for launching and selling collections of goods from various sources on the Ton blockchain. The project's combination of RWA, unique collections, buyer privacy, and proprietary storage provides convenience and security for project participants. Problem-...

    $2667 (Avg Bid)
    $2667 Oferta promedio
    33 ofertas

    We are seeking a skilled Frontend Developer to integrate a staking smart contract with a React frontend page for interaction. The project involves combining a pre-existing staking smart contract, staking React page, and token contract to create a seamless user experience. The necessary components including the staking contract, staking react page and token contract have already been prepared. Initially, we will conduct trials on the Sepolia testnet or other testnet to ensure all systems are operational before launching on the Ethereum mainnet. I have already source code for UI. If you're a skilled Frontend Developer with a passion for blockchain and smart contracts, please submit your resume and a brief cover letter explaining your experience and qualifications for the position. We ...

    $35 / hr (Avg Bid)
    $35 / hr Oferta promedio
    38 ofertas

    I'm in need of a talented Nextjs Developer to work on smart contract development specifically for Ethereum using the base l2 network Key Requirements: - Nextjs Expertise: You should have a strong understanding of Nextjs to help with the frontend development of the smart contract. - Ethereum Proficiency: I'm looking for a developer who is well-versed with Ethereum, as this will be our base network for the smart contract. - Solid Smart Contract Experience: You should have experience in developing smart contracts preferably in the blockchain space. Your responsibilities will include: - Implementing the smart contract on the Ethereum network, ensuring it works seamlessly with the Nextjs frontend. - Collaborating with our team to ensure the project meets our requirements and specif...

    $158 (Avg Bid)
    $158 Oferta promedio
    24 ofertas

    I'm seeking an adaptable and experienced blockchain developer. Details regarding my specific project requirements, such as needed skills and exact blockchain platform, remain undisclosed at this time. However, be assured that it necessitates a wide range of capabilities within this field. Your understanding of numerous aspects of blockchain technology will be beneficial. - An ability to work autonomously and navigate through varying project details. - Proficiency in smart contract development, cryptocurrency development and blockchain platform integration would be advantageous. - Experience in Ethereum, Hyperledger Fabric, Corda or related platforms is desirable. - Usage of blockchain for various purposes like cryptocurrency, supply chain management, identity verification etc. will a...

    $2481 (Avg Bid)
    $2481 Oferta promedio
    37 ofertas

    I'm seeking a senior TON developer with expertise in smart contracts, Ton coin and Jetton. The ideal outcome is to integrate the frontend with an existing smart contract. Therefore, the person should be proficient in JavaScript, HTML/CSS and React. Key requirements and responsibilities: - Proficient in smart contracts, Ton coin and Jetton - Integrate the frontend with existing smart contract - Expertise in JavaScript, HTML/CSS and React If you're a seasoned TON developer who is also well-versed in frontend technologies like JavaScript and React, this could be a great opportunity for you.

    $549 (Avg Bid)
    $549 Oferta promedio
    32 ofertas

    I'm seeking a senior TON developer with expertise in smart contracts, Ton coin and Jetton. The ideal outcome is to integrate the frontend with an existing smart contract. Therefore, the person should be proficient in JavaScript, HTML/CSS and React. Key requirements and responsibilities: - Proficient in smart contracts, Ton coin and Jetton - Integrate the frontend with existing smart contract - Expertise in JavaScript, HTML/CSS and React If you're a seasoned TON developer who is also well-versed in frontend technologies like JavaScript and React, this could be a great opportunity for you.

    $197 (Avg Bid)
    $197 Oferta promedio
    13 ofertas

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