Blockchain Jobs

Blockchain, is a technology that encompasses digital records or information, referred to as “blocks”, that are linked together securely and share the same network. This distributed ledger technology is the backbone of a new wave of innovation being implemented into our lives, with new disruptive applications and solutions seen in a growing number of industries. Clients may hire a Blockchain Developer to harness this power and build a secure digital platform tailored to their business needs.

A Blockchain Developer can create unique solutions leveraging blockchain technology to securely store, access, mine and distribute data in an efficient manner. They can leverage features such as blockchain tokens for payments, smart contracts for automated transactions, privacy layers and data protection techniques. Additionally, the expertise of a Blockchain Developer will ensure the project complies with industry standards, ensuring secure data and validation.

Here's some projects that our expert Blockchain Developer made real:

  • Creation of custom applications for fast and secure NFT (Non-Fungible Token) transactions
  • Developments of tools that allow synchronization with physical products using Bluetooth protocol
  • Integrations between wallets hosting cryptographic assets with ecommerce providers
  • The establishment of exploratory networks to provide insights into decentralized ecosystems
  • Developments to foster the growth of peer-to-peer energy trading networks

At Freelancer.com customers have posted amazing projects covering a variety of use cases related to blockchain utilising the Freelancer verified experts. With help from professionals on Freelancer.com customers can create unique projects addressing their business needs with safety, security and legality in mind. Rock your blockchain project today and hire an expert Blockchain Developer on Freelancer.com now!

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    19 份搜到的工作,货币单位为 HKD

    We are looking for a skilled developer with strong experience in Java, ReactJS, and Solidity to assist in the creation of a crypto wallet. The ideal candidate should have a thorough understanding of blockchain technology and be able to implement secure and efficient wallet functionalities. Responsibilities include designing and developing user-friendly interfaces, integrating blockchain APIs, and ensuring the wallet meets high security standards. Attention to detail, problem-solving skills, and the ability to work collaboratively are crucial for this project.

    $133 / hr (Avg Bid)
    $133 / hr 平均报价
    10 个竞标

    I am looking for a developer to create an admin panel for my crypto casino game website. i have the website ready and live. The ideal candidate should have experience in financial management and be able to handle a website with 10-20 games. Specific features required for the admin panel include: - Financial management capabilities - User management for admins - Game management - Blockchain and web3 If you have experience in developing admin panels for crypto casino game websites and possess the necessary skills, please reach out to discuss further details.

    $770 (Avg Bid)
    $770 平均报价
    7 个竞标

    I am looking for a crypto poster designer to create a medium-sized poster with a suggested theme or concept. The ideal candidate should have experience in creating eye-catching and visually appealing poster designs in the crypto industry. PLEASE SHARE ME YOUR PAST PROJECTS IN MESSAGE Skills and Experience: - Proficient in graphic design software (e.g. Adobe Photoshop, Illustrator) - Strong understanding of the crypto industry and its visual elements - Ability to create illustrations and graphics that effectively convey the message of the poster - Attention to detail and ability to meet deadlines Please provide a portfolio or samples of previous poster designs in the crypto industry.

    $172 (Avg Bid)
    $172 平均报价
    5 个竞标

    I am looking for a skilled web developer to create a website for my fourth-year college project. The purpose of the website is to provide information about a specific topic. Features: - Contact form: I would like the website to have a contact form where users can reach out to me with any inquiries or feedback. - Search bar: It would be great to have a search bar that allows users to easily find specific information on the website. - Photo gallery: I want to include a photo gallery to showcase relevant images related to the topic. Design and Theme: - While I don't have a specific design in mind, I have a rough idea of how I want the website to look. I would like it to have a clean and modern design, with a professional and academic feel. Ideal Skills and Experience: - Proficiency i...

    $156 (Avg Bid)
    $156 平均报价
    15 个竞标

    Need to create a ethereum contract more details in chat

    $484 (Avg Bid)
    $484 平均报价
    3 个竞标
    create a crypto wallet 5 天 left
    已验证

    We are looking for a skilled developer with strong experience in Java, ReactJS, and Solidity to assist in the creation of a crypto wallet. The ideal candidate should have a thorough understanding of blockchain technology and be able to implement secure and efficient wallet functionalities. Responsibilities include designing and developing user-friendly interfaces, integrating blockchain APIs, and ensuring the wallet meets high security standards. Attention to detail, problem-solving skills, and the ability to work collaboratively are crucial for this project.

    $164 / hr (Avg Bid)
    $164 / hr 平均报价
    36 个竞标

    NFT Whitelisting Task Looking for someone with experience in getting whitelisted for NFT projects with good socail skills The purpose of this role is to help me get onto NFT whitelists for upcoming NFT drops. I will provide you the list of projects I need whitelist for . Tasks required to get whitelists vary from project to project but can involve tasks such as: Talking and engaging in the discord community to level up Helping out others in the discord community Retweeting social media/tagging friends on twitter etc Winning quizzes or games in the discord Winning flash giveaway contests in the discord Various other tasks that vary with each projects

    $1102 (Avg Bid)
    $1102 平均报价
    9 个竞标

    Reactjs Blockchain Integrated Project with Firebase Backend I want a skill verification website using reactjs and blockchain I am adding a link for reference I want the metamask to handle the user accounts with ganache to provide the dummy accounts Purpose of Blockchain Integration: Data security Features in Firebase Backend: Real-time Database Skills and Experience Required: - Strong knowledge and experience in blockchain technology - Proficiency in developing and integrating blockchain solutions - Expertise in working with public blockchain networks - Experience in implementing data security measures in blockchain systems - Familiarity with Firebase and its real-time database functionality

    $797 (Avg Bid)
    $797 平均报价
    11 个竞标

    Project Description: NFT Marketplace Development with Advanced Features I am looking for a skilled developer to create an NFT marketplace similar to opensea. The marketplace should have the following features: - Basic features: listing, buying, and selling of NFTs - Advanced features: auctions, royalties, and collections - Custom features: please specify your desired customizations Blockchain: Please specify the blockchain you want to build the marketplace on, as it is not mentioned in the provided choices. Additionally, I would need assistance with marketing and promotion of the marketplace after its development. Ideal Skills and Experience: - Solid experience in NFT marketplace development - Proficiency in the chosen blockchain technology - Knowledge of smart contracts and blockcha...

    $7809 (Avg Bid)
    $7809 平均报价
    103 个竞标

    NFT Whitelisting Task Looking for someone with experience in getting whitelisted for NFT projects with good socail skills The purpose of this role is to help me get onto NFT whitelists for upcoming NFT drops. I will provide you the list of projects I need whitelist for . Tasks required to get whitelists vary from project to project but can involve tasks such as: Talking and engaging in the discord community to level up Helping out others in the discord community Retweeting social media/tagging friends on twitter etc Winning quizzes or games in the discord Winning flash giveaway contests in the discord Various other tasks that vary with each projects

    $156 (Avg Bid)
    $156 平均报价
    5 个竞标

    I want to fetch real-time buy transactions data from give solana contract address

    $2486 (Avg Bid)
    $2486 平均报价
    9 个竞标

    I am looking for a developer with experience in Flash Loan functionality on the Binance Smart Chain. The project requires the following specific features: - Flash Loan Functionality: The software should be able to execute flash loans on the Binance Smart Chain. - USDT Wallet Integration: Integration of USDT wallet functionality is required for seamless transactions. - Smart Contract Development: The developer should be able to develop smart contracts to facilitate the flash loan functionality. The preferred platform for this project is the Binance Smart Chain, so prior experience with this blockchain platform is essential. The timeline for this project is 1-2 weeks, so the developer should be able to work efficiently and meet deadlines. Ideal skills and experience for this job include:...

    $2932 (Avg Bid)
    $2932 平均报价
    2 个竞标

    I am looking for a skilled developer to create a blockchain-based social media app using Ethereum. The app should have the following features: -As for the design of the user profiles, I am open to suggestions. I do not have a specific design in mind, but I am looking for a clean and modern interface that is visually appealing and user-friendly. Experience and skills required for this project: 1) User profiles: Users should be able to create and customize their profiles, including adding profile pictures and other relevant information. User must be able to make a post in form of image, text or audio. 2) There should be incentive mechanism for tipping up the post. 3) Users must be able to interact with each other by commenting at other people's post. 4) Also if there could be poss...

    $750 (Avg Bid)
    $750 平均报价
    8 个竞标

    I want to made a project like on Pulsechain. very similiar only with different Taxes and Tokens. A 2% tax is taken from every Buy/Sell transaction and is distributed to all PulseReflections holder's wallets in the form of $PLS. The more PulseReflections tokens you hold in your wallet, the greater share of the reflections you will receive. A 1% tax is taken from every Buy/Sell transaction and sent to the burn address. This creates an ever-decreasing supply. The contract has no owner/admin keys. The liquidity has been locked for one year. This lock can be extended prior to unlocking in the future.

    $21570 (Avg Bid)
    $21570 平均报价
    46 个竞标

    I need the expert in white hacking of crypto currency hands-on training

    $70 / hr (Avg Bid)
    $70 / hr 平均报价
    6 个竞标

    I am looking for a freelancer who can help me deploy my ERC-20 token from the testnet to the Ethereum mainnet. Platform: Ethereum Token Name and Symbol: Yes, I have a specific token name and symbol that I would like to use. Additional Functionalities: No, basic token transfer is enough for now. Ideal Skills and Experience: - Experience with deploying ERC-20 tokens on the Ethereum platform - Knowledge of the process and steps required to deploy tokens from the testnet to the mainnet - Familiarity with token naming and symbol conventions - Understanding of basic token transfer functionalities and how to implement them Please provide examples of previous token deployment projects you have worked on.

    $141 (Avg Bid)
    $141 平均报价
    1 个竞标
    Need to build token on eth erc20 15 小时 left
    已验证

    I am looking for a skilled developer who can help me build a token on the Ethereum blockchain. The purpose of the token is to implement a tax based on the mainnet. Skills and experience required: - Strong knowledge of Ethereum and blockchain technology - Experience in developing ERC-20 tokens - Familiarity with tax implementation on the blockchain Functionality required for the token: - Transferable - Burnable - Mintable If you have the necessary skills and experience, please provide examples of your past work in token development.

    $1395 (Avg Bid)
    $1395 平均报价
    15 个竞标

    We need a golang developer today itself with atleast 3 year experience with Blockchain Development. He should be aware of the functionality, code and functions related to it. main job will be golang code modifications.

    $117 - $195 / hr
    加封
    $117 - $195 / hr
    14 个竞标

    I am looking for a partnership with skilled developers who can handle the smart contract part of my token project. Here are the details: Blockchain Platform: The smart contract will be deployed on the Ethereum 、BSC platform etc. As long as it can realize the general functions of the token. But it requires the ability to compile the code with the latest version of the compiler. Deadline: There is no specific deadline for the completion of the smart contract. You and your team are responsible for the creation, deployment and safety of tokens. I will be responsible for project promotion, investment and financing, and the development and implementation of physical projects. To realize the actual memory value of the token. If you have the required skills and experience, and are interested ...

    $78 (Avg Bid)
    加保
    $78
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