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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!

De 81,745 opiniones, los clientes califican nuestro Blockchain Developers 4.85 de un total de 5 estrellas.
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    25 trabajados encontrados, precios en USD
    Marketing WEB 3 5 días left
    VERIFICADO

    Busco a una persona experta en marketing web3 que haya llevado proyectos en el sector cripto, para que forme parte de la empresa (un fondo de inversión descentralizado) como puesto directivo (CMO).

    $22302 (Avg Bid)
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    Busco a una persona experta en desarrollo blockchain que ocupe el puesto de CTO en una empresa que es un fondo de inversión descentralizado. Debe tener conocimientos tecnológicos sobre cripto y desarrollo blockchain y las habilidades necesarias para ocupar un puesto directivo. Debe hablar Español.

    $21810 (Avg Bid)
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    I have developed a token on the TRON blockchain and I am looking for an experienced developer to create an automated system for adjusting the token's price based on my trading performance in financial markets. The main objective is to dynamically adjust the token's value according to the profit and loss from my trading activities. Requirements: Integration with Trading Platforms: Develop an API or script that connects to my trading accounts on various financial markets. Retrieve real-time trading data including profits and losses. Price Adjustment Algorithm: Create an algorithm that adjusts the token's price based on the retrieved trading data. Ensure the algorithm accurately reflects my trading performance in the token price. Smart Contract Development: Modify the exis...

    $10 - $30
    $10 - $30
    0 ofertas

    We are seeking an experienced Artificial Intelligence (AI) developer and Blockchain developer to enhance our application and website. As part of the project, you will be responsible for creating and integrating advanced AI and Blockchain features to improve the functionality and user experience. The ideal candidate should have a strong background in AI development, including machine learning algorithms, natural language processing, and data analysis. Additionally, proficiency in Blockchain technologies such as Ethereum, Hyperledger, or Solidity is required. We are looking for someone who can work independently and efficiently to deliver high-quality results within the given timeframe. If you have a passion for cutting-edge technologies and want to contribute to an innovative project, we wo...

    $479 (Avg Bid)
    $479 Oferta promedio
    126 ofertas
    Trophy icon Solana Smart Contract Developer 6 días left

    I'm in need of a proficient Solana Smart Contract Developer to create a robust smart contract with specific functionalities tailored for my project. Ideal Skills and Experience: - Proven experience in developing smart contracts on the Solana blockchain. - Strong understanding of wallet tracking, auto buy, and low delay transaction functionalities. - Familiarity with the DeFi space and the associated complexities. - Ability to ensure real-time transaction history tracking within the smart contract. Key Deliverables: - A fully functional smart contract on the Solana blockchain that encompasses wallet tracking, auto buy, and low delay transaction features. - Scan the blockchain to find the latest transaction of the input wallets within a SOL price range (min-max) and automatically buy ...

    $160 (Avg Bid)
    Garantizado
    $160
    8 participaciones
    Short-Term Cryptocurrency Advisor 6 días left
    VERIFICADO

    I am looking for someone who is knowledgeable in cryptocurrency. More specifically the following blockchains Solana, Base, and Ethereum. You need to have knowledge of you using DEX's and how to bridge transactions across multiple blockchains.

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    7 ofertas

    I'm looking to host a virtual educational meeting in the metaverse, and I need a professional with experience to take charge of the project. Specifics: - I haven't settled on a platform, so I'm open to suggestions. - The meeting's purpose is strictly educational. - I would like to incorporate interactive elements such as live polls, Q&A sessions, and virtual hand raising. Skills and Experience: - Prior experience in creating and managing metaverse events is highly preferred. - Ability to suggest suitable platforms for the meeting. - Proficiency in integrating interactive elements into metaverse content. - Strong communication skills to understand the educational goals and translate them into an interactive metaverse experience. Please provide a detailed propo...

    $182 (Avg Bid)
    $182 Oferta promedio
    40 ofertas

    We are SA Analytics, and we are looking for an experienced blockchain developer to assist us with creating and executing flash USDT transactions. The ideal candidate will have a strong understanding of blockchain technology, specifically with experience in USDT (Tether) and smart contract development. Responsibilities: Develop and implement flash USDT transactions. Create secure and efficient smart contracts. Ensure the reliability and speed of transactions. Collaborate with our team to integrate blockchain solutions with our existing systems. Provide technical support and troubleshooting as needed. Requirements: Proven experience in blockchain development. In-depth knowledge of USDT (Tether) and its transaction mechanisms. Experience with smart contract development (Solidity, Ethereum)...

    $4614 (Avg Bid)
    $4614 Oferta promedio
    5 ofertas

    I'm seeking expert assistance to ensure a successful Bitcoin launch. The areas that we need support for include: - Cryptocurrency Mining: Your extensive knowledge and experience in implementing effective and efficient mining processes are fundamental to this project. - Wallet Setup: Experience in setting up secure and user-friendly wallets is mandatory, giving our users confidence in their transactions. - Blockchain Integration: Your expertise is needed to integrate Bitcoin into our existing systems, ensuring seamless transactions and user experience. If you're a technical expert with substantial experience in cryptocurrency, particularly Bitcoin, this is a project ideally suited for you. Your skills and insights can greatly contribute to a successful cryptocurrency launch.

    $1384 (Avg Bid)
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    13 ofertas

    Hiring a developer to create a token on solana. Integration with our platform is an additional opportunity The token will include functionalities for creation, transfer, and balance management, and must be fully compatible with Solana wallets and other Solana-compliant services. Objectives: Develop a Solana SPL token. Ensure functionalities for token creation, transfer, and balance management. Ensure compatibility with Solana wallets and services. Collaborate with our development team for seamless integration with our platform. Scope of Work: Token Creation: Define properties (name, symbol, total supply, decimals). Token Transfer: Develop secure transfer mechanisms. Balance Management: Implement balance checking and approvals. Compatibility: Ensure adherence to SPL standards and test wi...

    $4844 (Avg Bid)
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    18 ofertas
    Create flash USDT 5 días left
    VERIFICADO

    I am looking for experts blockchain developer who can create USDT Flask. Here the condition is usdt should be transferable between wallets and the value of usdt will be shows in whichever wallet usdt is shared. If you can do this work kindly reach out to me asap. Thank you

    $22174 (Avg Bid)
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    5 ofertas

    hey we are hiring both solidity devs and full stack devs with solidity experience. Please specify which role you are interested in we are integrating eth donations into our platform to support charities. This involves developing smart contracts, integrating with our existing system, and ensuring secure transaction data handling. Requirements: Ethereum Address Management: Develop a smart contract for a single Ethereum donation address. Securely track donations and user info. Processing Donations: Monitor and confirm incoming transactions. Update donation status in real-time. Display donation status with notifications. Transaction Data Recording: Log transaction details securely. Provide an admin interface for data review. Security Measures: Implement end-to-end encryption. Conduct ...

    $15807 (Avg Bid)
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    26 ofertas

    I require top-notch talent experienced in AI and Blockchain development who will help in establishing a smart contract platform using solidity. Key Responsibilities: - End-to-end AI development - Creation of Ethereum-style blockchain structure - Integration of both AI and blockchain technologies for a seamless operation Ideal Skillset: - Proven experience in AI programming - Extensive development experience with Solidity - Prior work on blockchain and AI integrations - Understanding of blockchain's application in smart contract platforms The primary outcome of this project is the creation of an effective smart contract platform, training AI on a blockchain. I'm searching for a committed and proactive individual with a deep understanding of these technologies...

    $5412 (Avg Bid)
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    33 ofertas

    I'm looking for a developer to connect both the frontend and backend of my current GitHub project () to Geth. The ultimate goal is to have the entire project running smoothly without any errors. If feasible, I also want to incorporate NFTs into the project. Key requirements: - Integrate Geth into both the frontend and backend of the existing project on the provided GitHub link. This should be done in such a way that the project runs without any hitches. - Implement NFTs in the project, primarily for the purpose of tracking medical records. This feature should be seamlessly integrated into the project. Ideal skills and experience: - Proficiency in blockchain technology, specifically Geth and Ethereum. - Prior experience in connecting frontend and backend systems to blockchain network...

    $7 (Avg Bid)
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    5 ofertas

    we're looking for someone to create an erc-20 token for us. also, if you can integrate, you'll have an additional task Key Requirements: - Creation of an ERC-20 token - Integration of the token with smart contracts for decentralized applications Skills and Experience: - Proven track record of creating ERC-20 tokens - Proficiency in integrating tokens with smart contracts for decentralized applications If you're interested, please provide a detailed project proposal in your application.

    $54 / hr (Avg Bid)
    $54 / hr Oferta promedio
    16 ofertas
    WBTC to BTC Bridge Development 3 días left
    VERIFICADO

    I'm looking for a skilled blockchain developer to explore and create a bridging service between WBTC and BTC. The ideal candidate should have significant experience in both Ethereum and Bitcoin blockchains and be able to implement the following features: - Instant Transfers: The bridging service should allow for instant transfers between WBTC and BTC, ensuring quick and efficient transactions. - Secure Transactions: Security is paramount. The service should be built with robust security measures to guarantee that all transactions are safe and protected. - Transparent Auditing: The developer should ensure that all transactions are transparent and can be easily audited. In terms of user interface, we're looking for a simple and intuitive design. The developer should strive to cre...

    $657 (Avg Bid)
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    15 ofertas

    Crypto Listing/Sniping Bot for Pancakeswap first of all bot must have anti bot detection I need a bot that detects when new liquidity is added to an AMM (automated market maker) pool on Pancakeswap (runs on the Binance smart chain, bep20 network). The bot needs to detect it and immediately execute a trade according to my parameters. I need to be able to give the bots my own parameters such as: BSC contract address, gas price, max. buying price of the token, selling price of the token, quantity of tokens to buy/sell, slippage Basically I need to be able to be with the first people to buy tokens. IF the basics work we can later add more options. Please do look what it is am asking before you BID BID WHAT YOU ARE WILLING TO WORK FOR..DO NOT ASK A BIGGER PRICE LATER

    $301 (Avg Bid)
    $301 Oferta promedio
    11 ofertas

    As a Blockchain Partnership Manager, your primary role will include identifying, building and nurturing relationships with other companies in the blockchain industry. You will be responsible for managing these relationships and collaborations, and proactively identifying potential partnership opportunities. Key Responsibilities: * Forming, developing, and managing partnerships within the blockchain sector * Maintaining productive and effective ongoing collaborations * Identifying and exploiting potential new partnership opportunities Ideal Skills and Qualifications: * Strong comprehension of blockchain technology * Extensive experience in managing and forming partnerships * Up-to-date knowledge and understanding of the blockchain industry and trends. Your in-depth understanding and hand...

    $205 (Avg Bid)
    $205 Oferta promedio
    6 ofertas

    I'm seeking a Cybersecurity expert who's willing to offer an internship to educate me in the field of cybersecurity. Key Tasks and Responsibilities: - Training in Network security, Web application security and Data privacy - Guiding me through Vulnerability assessments, Security policy development, and Incident response simulations I need a cyber security internship who can train me in cybersecurity and i will work as free 5 months and if i get the job i will give 2 months fully salary #cybersecurity # blockchain security auditor

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

    I'm looking for an expert developer with extensive experience in Solana to enhance my server-side wallet functionality. The ideal candidate should be able to deliver quality work within an extremely tight deadline. Key Requirements: - Expert in Solana: Proven experience in working with Solana is absolutely necessary. The project involves server-side wallet functionality, so deep knowledge of the blockchain technology and its inner workings is crucial. - Proficiency in Typescript: You should be proficient in Typescript – the codebase for the project is written in Typescript, and we need someone who can navigate and enhance it seamlessly. The ideal candidate will have a strong portfolio demonstrating their expertise in Solana and Typescript, and will be able to provide referenc...

    $36 / hr (Avg Bid)
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    102 ofertas

    I'm looking for an experienced developer with a strong understanding of blockchain technology and token creation to build a meme coin on Ethereum (ERC20), Solana (SOL), and Binance Smart Chain (BSC). Key Requirements: - Creation of a meme coin with the primary function of being a lighthearted, community-driven token. - The token must be functional on all three blockchain platforms, ensuring that users can interact with it seamlessly. - Assistance with the design and logo of the token would be a bonus, although I'm open to suggestions. Ideal Skills and Experience: - Proven experience in creating tokens on Ethereum, Solana, and Binance Smart Chain. - Strong understanding of blockchain technology and the specific requirements of ERC20, SOL, and BSC tokens. - Experience in creatin...

    $263 (Avg Bid)
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    46 ofertas

    I'm seeking a dedicated and experienced cybersecurity trainer who is fluent in both Telugu and English to guide me through the ins and outs of real-world cybersecurity situations. Core Topic Areas: - Network security - Web application security - Data protection With some basic knowledge in cybersecurity, I am aiming to bolster my understanding with a more comprehensive course. Hence, I appreciate a trainer who can skilfully integrate practical exercises with theoretical lectures for a more balanced learning style. The ideal candidate is not only qualified in cybersecurity, but also has a knack for teaching, making complex concepts simple and relatable. Key Qualifications & Skills: - Proficiency in Network security, Web application security, and Data protection - Fluency in ...

    $289 (Avg Bid)
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    6 ofertas

    We're building a secure lotto style site targeted at cryptocurrency (bitcoin) enthusiasts and high rollers. Our focus is on creating a safe, inviting environment where users can enjoy real-time betting with a seamless experience. We place a strong emphasis on the following key areas: - User registration and login functionalities - Integration with web3 wallets for secure login - Implementation of provably fair game algorithms to guarantee fair play - Secure storage mechanisms for ordinals or runes - Realtime scraping of the ohio fireball numbers to base results on.(2 drawings a day) The ideal candidate for this project would be experienced in developing secure websites, particularly in the domain of betting. A clear understanding and working knowledge of blockchain technology, espec...

    $2994 (Avg Bid)
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    45 ofertas

    About the Project: We are looking for a skilled and innovative freelance developer to create a meme coin from scratch. This project aims to develop a fun and engaging cryptocurrency that leverages the viral nature of memes. The ideal candidate will have a strong background in blockchain technology, smart contract development, and a good understanding of cryptocurrency trends and market dynamics. Responsibilities: Concept Development: Collaborate with our team to define the concept, features, and unique aspects of the meme coin. Blockchain Selection: Recommend the most suitable blockchain platform (e.g., Ethereum, Binance Smart Chain) for the meme coin. Smart Contract Development: Write, test, and deploy smart contracts required for the meme coin, ensuring security and efficie...

    $4455 (Avg Bid)
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    38 ofertas
    Dextool/ Dexscreener Clone 3 horas left
    VERIFICADO

    I'm looking for a skilled developer to create a Defi similar to Dextool/Dexscreener. The project will require a comprehensive understanding of cryptocurrency markets, and the ability to create a robust tracking and information system. Ideal skills and experience for this project include: - Proficiency with real-time data integration - Extensive experience with cryptocurrency-related projects - Strong analytical and problem-solving skills - Familiarity with blockchain technologies - The ability to design and develop user-friendly interfaces I need a clone of Dexscreener for the BASE chain. a. We need to pull data from various AMMs like UniSwap, base swap, Alien Base, PCS b. Display those data in our design which is pretty much similar to Dexscreener c. Dex supports many Blockch...

    $4860 (Avg Bid)
    $4860 Oferta promedio
    21 ofertas

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