Фільтрувати

Мої недавні пошуки
Фільтрувати по:
Бюджет
до
до
до
Тип
Навички
Мови
    Статус роботи
    2,000 solidity ethereum робіт знайдено, ціни вказані в USD

    Шукаемо розробника контрактів Solidity для додаткових інтеграцій чейнів до валета. Фул тайм.

    $16 / hr (Avg Bid)
    $16 / hr Сер. заявка
    2 заявки

    Перший в історії смарт контракт з безумовним Пасивні ДОХОДОМ 559.21 Ethereum з кожного повного циклу. Є результатом багаторічної роботи та аналізу сучасних ккраудфандінгових платформ, побудованих на блокчейне криптовалюта Ethereum.

    $15 - $24000
    $15 - $24000
    0 заявки

    I'm in need of a skilled Web3 developer to assist with a range of tasks. Your main responsibilities will include: - Developing smart contracts - Building decentralized applications - Integrating blockchain technology You should be proficient in the following programming languages: - Solidity - JavaScript - Python Your experience with blockchain platforms such as Ethereum and Polkadot is essential. Specific experience with Binance Smart Chain is a bonus. You must also have familiarity with additional languages such as Go, Rust, Java, and Node.js. The ideal candidate should have a deep understanding of the Web3 ecosystem and be able to contribute to a variety of projects. Experience in full stack development and an understanding of blockchain security would be highly b...

    $21 / hr (Avg Bid)
    $21 / hr Сер. заявка
    27 заявки

    ...modeling and display software, uniting designers for CNC and computer-generated practical art, asset display and management, and a customer interaction and processing ecosystem. Drawing inspiration from O-LAP () note, its outdated, an open-source community-run platform for parametric furniture design, we aim to infuse our project with the latest wisdom from established methods like NEM, Ethereum, and similar platforms. We seek to capitalize on the wealth of open-source possibilities readily available. We request your response outlining the best strategy and proposed approach for solving this challenge. What can we expect from you and what is currently possible? We are seeking a freelancer who possesses: - Proficiency in programming languages and development frameworks relev...

    $20 / hr (Avg Bid)
    $20 / hr Сер. заявка
    8 заявки

    I need a developer who is proficient in both the Solana blockchain and Web3. Specifically, I'm looking for the following: - Experience with Solana blockchain: I require someone who has hands-on experience working with Solana, including creating and managing smart contracts on this platform. - Solidity programming: Proficiency in Solidity programming is a must for this project. You should be able to write efficient and secure smart contracts. - integration: I require a developer who is skilled in integrating with the Solana blockchain, enabling seamless interaction with decentralized applications. Additionally, you should be able to communicate and collaborate effectively, keeping me updated on the progress of the project. Your knowledge in both the blockchain and Web...

    $310 (Avg Bid)
    $310 Сер. заявка
    70 заявки

    I'm looking for an adept developer with extensive experience in Ethereum platform to build a simple exchange smart contract for me. Any proposal submitted should be detailed, outlining your proposed approach for the project. Here's what I need: - Development of a simple exchange smart contract on the Ethereum platform. - Demonstrated understanding and application of Ethereum architecture in the proposal. - Clarify how you'll tackle potential challenges that could arise during the project. Ideal skills include: - Strong familiarity with the Ethereum platform. - Previous experience in smart contract development particularly involving simple exchange. - Excellent communication skills. - A knack for solving complex tech problems. Overall, I need so...

    $113 (Avg Bid)
    $113 Сер. заявка
    22 заявки
    Ethereum-Based Betting Game Contract Development 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Currently, I'm looking for a highly proficient and experienced developer to create a simple smart contract for a game on the Ethereum blockchain. The primary functionality that this contract should include is a robust player's betting system. The following criteria should be met: - Advanced knowledge and understanding of Ethereum and its related programming languages (Solidity, Vyper). - Proven experience in designing and developing smart contracts, ideally relating to gaming or betting systems. - Ability to integrate the smart contract with the game to ensure accuracy and fairness. - Implement a consequence system where players experiencing a failed bet will suffer loss of game assets. Your bid should highlight your experience in the above areas, and exam...

    $38 / hr (Avg Bid)
    $38 / hr Сер. заявка
    56 заявки

    I have an urgent need for a skilled blockchain developer who can swiftly handle smart contract development and blockchain integration. The project requires someone who can hit the ground running and deliver quality work within a tight timeframe. Ideal candidates should have: - Proven experience in smart contract development, particularly on Ethereum - A solid understanding of blockchain integration - The ability to work efficiently and under pressure - Good communication skills and a proactive approach to problem-solving The project timeline is urgent, so if you're confident in your blockchain skills and are available to start immediately, I'd love to hear from you.

    $523 (Avg Bid)
    $523 Сер. заявка
    16 заявки
    Smart Contract Development for Crypto Dapp 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    ...staking functionality, allowing users/holders of the token to lock their tokens in the contract. - Reward Distribution: Rewards should be distributed based on the duration for which the tokens are staked. The longer the staking period, the higher the reward. Ideal Skills and Experience: - Proficiency in Solidity: As per my preference, the smart contract should be written in Solidity. - Blockchain Development: Extensive experience in developing smart contracts and deploying them on the Ethereum mainnet. - Understanding of Staking Mechanisms: A solid grasp of staking mechanisms, particularly those that reward based on the staking duration. - Testing and Deployment: Capable of integrating the developed smart contract with a UI and testing it thoroughly before deployi...

    $12 / hr (Avg Bid)
    $12 / hr Сер. заявка
    23 заявки
    Crypto Asset Management Dashboard Development 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    I am seeking a talented software developer with experience in building user-friendly...candidate should be proficient in frontend design and backend management, understanding the intricacies of cryptocurrency flow from customer to platform, and vice versa. Features Needed: - Frontend Dashboard: Ensure customer's ease of access in: - Viewing account balances - Requesting transactions - Backend Admin Panel: - Manual addition of crypto assets: functionality to add Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), and USDT Your application should demonstrate similar projects handled in the past and a solid understanding of crypto asset management. The goal is to deliver a secure, intuitive, and smooth dashboard experience to our customers and efficient administrative trackin...

    $549 (Avg Bid)
    $549 Сер. заявка
    122 заявки
    Create a Crypto Gambling Website (MERN/MEAN) 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    ...Typescript Styling: Tailwind CSS Back-end Framework: Node.js with Database: MongoDB Goals: Build a cryptocurrency gambling website from PSD + Figma designs and requirements provided and discussed (google docs/sheets). Must be fully secure and fully tested with no bugs or issues. Experience Needed: - Previous experience with Full Nodes ("Bitcoin Core" for Bitcoin and "Geth" or others for Ethereum) + understanding smart contracts - Previous experience making Desktop/Mobile responsive websites - Previous experience accurately converting a PSD design to a fully responsive website using MERN stack (or similar stacks) Requirements: Provide daily progress updates Develop the website's frontend and backend with database and admin panel Integrate payme...

    $3775 (Avg Bid)
    $3775 Сер. заявка
    47 заявки

    We are seeking a skilled React/Node.js and Blockchain Developer to join our team. As a developer, you will be responsible for designing and implementing blockchain solutions using React and Node.js. Your primary focus will be on developing smart contracts, building decentralized applications (DApps), and integratin...Responsibilities: - Develop and implement blockchain solutions using React and Node.js - Design and develop smart contracts - Build decentralized applications (DApps) - Integrate blockchain technology into existing systems Requirements: - Extensive experience with React and Node.js - Strong understanding of blockchain concepts - Experience with smart contract development - Solid knowledge of and Ethereum - Familiarity with blockchain frameworks (e.g., Truffle, Ganac...

    $20 / hr (Avg Bid)
    $20 / hr Сер. заявка
    51 заявки
    Need expert for Blockchain/Web3 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello, Hope you are doing well. We're actively looking for a senior engineer with expert level Solidity smart contract skills with a web3 focus. You must have deep expertise in securing smart contracts using a combination of processes (ex: code reviews, audits), tools, and techniques. Bonus if you have a Security background. If your someone that's developed and shipped DeFi smart contracts holding significant value, we want to hear from you! This is a fully remote role and you'll be working in a fully distributed team with members across the globe. Responsibilities You'll implement new ideas, designing and testing complex DeFi smart contracts You'll take authority in your team checking your colleagues code for correctness and security Work with external se...

    $31 / hr (Avg Bid)
    $31 / hr Сер. заявка
    55 заявки

    ...Artificial Intelligence, or a related field. Strong proficiency in machine learning, deep learning frameworks, and blockchain technologies. Extensive experience with server management and cloud platforms (AWS, Azure, Google Cloud). Proficiency in containerization and orchestration tools (Docker, Kubernetes), and infrastructure as code (Terraform, Ansible). Excellent coding skills in Python, C++, Solidity, or other relevant programming languages. Demonstrated capability in managing full lifecycle software development and system deployment. Excellent analytical, problem-solving skills, and the ability to work collaboratively in a fast-paced environment. Desired Skills: Certifications in cloud architecture, Kubernetes, or blockchain technologies are a plus. Strong communication ski...

    $37 / hr (Avg Bid)
    $37 / hr Сер. заявка
    52 заявки

    ...Artificial Intelligence, or a related field. Strong proficiency in machine learning, deep learning frameworks, and blockchain technologies. Extensive experience with server management and cloud platforms (AWS, Azure, Google Cloud). Proficient in containerization and orchestration tools (Docker, Kubernetes), and infrastructure as code (Terraform, Ansible). Excellent coding skills in Python, C++, Solidity, or other relevant programming languages. Demonstrated capability in managing full lifecycle software development and system deployment. Excellent analytical, problem-solving skills, and the ability to work collaboratively in a fast-paced environment. Desired Skills: Certifications in cloud architecture, Kubernetes, or blockchain technologies are a plus. Previous experience in a ...

    $2506 (Avg Bid)
    $2506 Сер. заявка
    44 заявки

    I need a specialist in metaverse blockchain techno...reality project. Our team is focused on several key facets: - Developing smart contracts - Creating a decentralized exchange (DEX) - Establishing an NFT marketplace - Designing farms, pools, staking mechanisms - Building a bridge - Implementing trading Our preferred platforms are Ethereum, Binance Smart Chain, and Solana. We're also interested in incorporating advanced order types within the DEX. The ideal freelance partner would offer: - Significant experience in blockchain development, specifically with Ethereum, Binance Smart Chain, and Solana, - Comprehensive understanding of DEX and advanced order types, - Proven experience in setting up NFT marketplaces, staking, and creating liquidity pools. Let's ...

    $56 / hr (Avg Bid)
    $56 / hr Сер. заявка
    39 заявки
    Deployment of Solidity Smart contract and JS project 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    I'm looking for an expert developer with strong blockchain (Ethereum and Bitcoin) and frontend (React) skills to help me with a project. Key Aspects: - Blockchain: Prior experience with Ethereum and Bitcoin is a must. Hyperledger Fabric is not required. - Frontend: Proficiency in React is necessary. Features Needed: - The project will involve implementing various functionalities such as NFT, token, smart contracts, minting, and staking. Previous experience with these features is highly desirable. Skills & Experience: - Proficiency in Ethereum and Bitcoin blockchain development. - Strong experience with React frontend. - Prior projects involving NFTs, tokens, smart contracts, minting, and staking. - Excellent understanding of blockchain technology and its a...

    $268 (Avg Bid)
    $268 Сер. заявка
    36 заявки
    North American Ethereum Wallet User Leads 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    I require a compilation of 1,000 genuine, individual leads for users of Ethereum wallets located primarily in North America. These leads will strategically aid in increasing our sales offering crypto-related services or products. Due to the specific request, freelancers bidding on this project should possess: Key Requirements: - Superior lead generation capabilities - Solid understanding of the crypto and digital wallet market, specifically Ethereum - Demonstrated experience in targeting and acquiring leads within North America Target Audience: - Ethereum Wallet Users - Geographical Focus: North America Each lead should come with associated phone numbers for cold calling purposes. Previous experience in crypto lead generation in North America will be highly benefi...

    $92 (Avg Bid)
    $92 Сер. заявка
    7 заявки

    I'm looking for an expert developer with strong blockchain (Ethereum and Bitcoin) and frontend (React) skills to help me with a project. Key Aspects: - Blockchain: Prior experience with Ethereum and Bitcoin is a must. Hyperledger Fabric is not required. - Frontend: Proficiency in React is necessary. Features Needed: - The project will involve implementing various functionalities such as NFT, token, smart contracts, minting, and staking. Previous experience with these features is highly desirable. Skills & Experience: - Proficiency in Ethereum and Bitcoin blockchain development. - Strong experience with React frontend. - Prior projects involving NFTs, tokens, smart contracts, minting, and staking. - Excellent understanding of blockchain technology and its a...

    $61 / hr (Avg Bid)
    $61 / hr Сер. заявка
    56 заявки

    I'm looking for a skilled blockchain developer to assist in the creation of a Flash USDT that caters to peer-to-peer transactions across various networks. Key Requirements: - The project involves developing a Flash USDT to facilitate secure, real-time, and user-friendly peer-to-peer transactions. - Integration with Ethereum, Tron, and Binance Smart Chain networks is essential. Your role as a freelancer will be to: - Implement a secure wallet integration for the Flash USDT. - Provide a real-time transaction tracking feature. - Develop a user-friendly interface that ensures seamless user experience. Ideal Skills and Experience: - Proficiency in blockchain technology and related protocols. - Extensive experience in developing and integrating cryptocurrency solutio...

    $16 / hr (Avg Bid)
    $16 / hr Сер. заявка
    9 заявки
    IPFS Upload & Ethereum Network Deployment 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    We have developed our custom contract based on ERC721A that handles bulk minting in a single transaction. Now, I would need your help in doing the following tasks A- Uploading to IPFS: We have around 6k images. Out of which we would like to deploy 1K now and upload the rest of images for the collection later during our next sale phase. For IPFS pinning services, we would like to go with the Third Web - Here, I know that we can update uri for uploading the remaining images later for the remaining Please let me know if it would affect anyhow to the buyers who purchased NFTs before uploading these images. B - Regarding deployment on Testnet - Yes, before deploying the contract on Mainnet, we would like to check things on Testnet. Now, please let me know if there is any safe method of ...

    $22 / hr (Avg Bid)
    $22 / hr Сер. заявка
    26 заявки
    Blockchain expert Needed 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    ...participation in open source projects Experience designing and developing decentralized technologies, including smart contracts Familiarity with blockchain technology and platforms such as Ethereum . Smart Contracts and Decentralized Applications Smart contracts play a crucial role in the integration of wallet connect feature and decentralization of the game. Smart contracts are programs stored on the blockchain that enable automated compliance and execution of agreements without an intermediary. Therefore, it's essential to work with developers who are proficient in writing smart contracts using languages such as Solidity and have experience in developing decentralized applications . Conclusion In conclusion, to achieve the goal of integrating wallet connect feat...

    $1276 (Avg Bid)
    $1276 Сер. заявка
    47 заявки

    ...platform. Here's what the project entails: - Cryptocurrency Focus: The platform will primarily focus on Bitcoin and Ethereum trading. Familiarity with these specific cryptocurrencies is essential. - Real-time Data Integration: The platform must provide real-time market data to the users. A strong understanding of data integration and display is crucial. - Expert User Experience: The target audience for this platform are expert traders. It is important that the interface is sophisticated, user-friendly, and tailored towards their needs and expectations. The ideal candidate will have extensive experience in cryptocurrency trading platform development, particularly with Bitcoin and Ethereum trading. Moreover, experience working with real-time data integration and user ...

    $2286 (Avg Bid)
    Угода про нерозголошення
    $2286 Сер. заявка
    39 заявки
    Expert in rust + solidity for fix smart contract 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need integrate flashloans from balancer v2 , non profit preventor, no profit = no trade. Integrate flashswap from uniswap, and arbitrage multi hops from 3 paths , now its 2’paths Inneed run this in l2 like arbitrum one, i have full node there I dont need create nothing from zero, just add flashloans balancerv2 , flashswap Uniswap , profit preventor, and 3 hops arbitrage Current repo for add this If you ate bussy dont bid! No pre-payments! Only escrow , need the source code

    $515 (Avg Bid)
    $515 Сер. заявка
    29 заявки

    I hold a pre-existing Token contract, and I require a blockchain expert to help me deploy the token to the Ethereum mainnet. The freelancer should possess excellent command over Solidity and Git and: -Have extensive experience in deploying tokens on the Ethereum network. -Exhibit a strong understanding of Ethereum standards, specifically ERC20. -Be well-versed with Mintable and Burnable tokens. Please note, while deployment experience is paramount, in-depth knowledge in token minting and burning will be a huge plus. Interested parties must showcase previous works in this domain.

    $556 (Avg Bid)
    $556 Сер. заявка
    76 заявки
    Solidity Expert for Uniswap V3 Smart Contract Development 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    I'm in need of a Solidity expert to assist with developing smart contracts for Uniswap V3. Key Responsibilities: - Development of smart contracts for Uniswap V3 - Ensuring the security and efficiency of the code - Collaborate with the team to implement and deploy the smart contracts Required Expertise: - Proficiency in Solidity - Experience in developing smart contracts, preferably for Uniswap - Strong understanding of blockchain technology and smart contract security - Ability to work in a team environment Ideal Freelancer: I am ideally looking for a freelancer with an expert level of experience in Solidity. The ideal candidate would have a proven track record of developing secure and efficient smart contracts, particularly for Uniswap. A good understanding of...

    $235 (Avg Bid)
    $235 Сер. заявка
    18 заявки

    I'm looking for a skilled blockchain developer to help me create an RWA (Real-World Asset) token on the Ethereum blockchain. **Scope of the project:** - I need assistance in creating a token that can represent a real-world asset on the Ethereum blockchain. The primary goal of this token will be to tokenize a physical asset and make it liquid. - The token standard we're targeting is ERC-20. You should have a good understanding of this standard and experience in implementing it on the Ethereum blockchain. **Key Requirements:** - Proficiency in Ethereum blockchain development - Prior experience in creating ERC-20 tokens - Understanding of real-world asset tokenization - Good communication skills and the ability to explain complex technical concepts in s...

    $1225 (Avg Bid)
    $1225 Сер. заявка
    40 заявки

    I am seeking someone highly skilled in Ethereum blockchain technology. **Skills and Experience:** - You should have a firm understanding of digital assets and how to launch them on the Ethereum network. - A strong background in coding smart contracts would be advantageous though not obligatory. **Project Requirements:** - Despite being well-versed in blockchain technology, I'll need guidance on my project. - The task is to deploy my digital asset with the necessary functionality. The specifications regarding functionalities will be shared accordingly. - Understanding my requirements and offering the right solutions will be a key part of your job. Please note that specific functionalities will be discussed during the project execution phase. Your insights will be inv...

    $510 (Avg Bid)
    $510 Сер. заявка
    48 заявки
    TypeScript Coder for Ethereum MEV Bot 1 день left
    ПІДТВЕРДЖЕНО

    ...Value (MEV) bot for Ethereum. The bot needs to be completed swiftly and should function as both a study aid and a tool for identifying and exploiting potential arbitrage opportunities in the Ethereum network. - **Key Features**: - The bot should have in-built front-running detection capabilities. - Back running features should also be incorporated. (Sandwich) - **Technical Requirements**: - The primary programming language should be TypeScript. (Must have experience with cryptocurrency programs) - **Exchange Compatibility**: - The bot should be built to interact seamlessly with the Ethereum Network and Uniswap V3. Skills and Experience: A strong background in TypeScript is essential. Prior experience in developing bots for cryptocurrency, specificall...

    $552 (Avg Bid)
    $552 Сер. заявка
    14 заявки

    I'm seeking a talented developer who can create a custom bot for cryptocurrency trading who operates automatically. Can either be trading or buy/sell crypto as long as it's profitable. Key Requirements: - Support for at least an exchange, it can even be metamask or whatever. - Capable of trading Bitcoin, Ethereum, Solana, or TRX. One is enough , multiple is a plus. - Implement a range of profitable trading strategies The ideal candidate should have a strong background in bot development, specifically in the realm of cryptocurrency trading. The ability to explain complex trading strategies in simple terms for a novice trader would be an added advantage. Please provide examples of prior work or projects if possible.

    $492 (Avg Bid)
    $492 Сер. заявка
    34 заявки
    Ethereum-Powered Case Opening/Battle Site - CGW - 1 день left
    ПІДТВЕРДЖЕНО

    Does ANYONE On here actually WANT to work? We are looking to build a case opening + case battles website similar to powered by ETHEREUM and based on Several PC game tittles like CSGO, Fortnite and DOTA Where users can open up cases for a chance in the hopes of opening a valuable item. Each case has ods and Chances of pulling a certain ticket and that ticket will determine which item they receive. This is the same for case opening (solo) and case battles (2 - 4 players) There is also a competior and we like how they handle the battles. We want to include similar functions as they have: attached we will put some milestones with payments which will form the project milestones. LOW Bids will be LOW RATED and hidden. more details in

    $300 (Avg Bid)
    $300 Сер. заявка
    48 заявки

    ...integration, security, and scalability. - Identify and resolve technical challenges and bottlenecks to ensure smooth operation of the mobile game. **Requirements:** - Strong experience in mobile development, with proficiency in iOS (Swift) and/or Android (Java/Kotlin) development. - Experience with or for interacting with the Ethereum blockchain. - Knowledge of blockchain development, particularly Ethereum and smart contract languages like Solidity, is a plus. - Familiarity with frontend technologies such as JavaScript, React Native, or Flutter. - Excellent communication skills and ability to work collaboratively in a fast-paced environment. - Passion for gaming and blockchain technology, with a desire to innovate in the mobile gaming industry. If you are passi...

    $36 / hr (Avg Bid)
    $36 / hr Сер. заявка
    40 заявки

    ...auf dem Ethereum-Netzwerk aufbaut und ERC-20-Token unterstützt: Konzept für eine dezentrale Börse (DEX) auf Ethereum-Basis für ERC-20-Token 1. Vision und Zielgruppe Vision: Eine vollständig dezentrale, sichere und transparente Börse für den Handel mit ERC-20-Token, die auf dem Ethereum-Netzwerk basiert. Zielgruppe: Krypto-Enthusiasten, DeFi-Nutzer, Entwickler und Investoren, die die Vorteile dezentraler Finanzprodukte nutzen möchten. 2. Börsenmodell Dezentralisierung: Die Börse sollte vollständig auf Smart Contracts basieren, um den Handel ohne Vermittler zu ermöglichen. Kernfunktionalitäten: Direkter Handel von ERC-20-Token, Liquiditätspools, automatisierte Market Maker (AMM), Staking ...

    $2632 (Avg Bid)
    $2632 Сер. заявка
    23 заявки
    Solidity Smart Contract Development 20 годин(-и) left
    ПІДТВЕРДЖЕНО

    I'm looking for seasoned blockchain developers, proficient in creating, testing and implementing smart contracts using Solidity. Here's what I need: - Token creation and distribution: I require a smart contract that can efficiently create and distribute tokens. - Current smart contract: The project requires the creation of a significant modern smart contract. Please choose your coding language as Solidity, but flexibility and the ability to work with other languages as the project evolves will be advantageous. The ideal candidate would have a strong command of Ethereum and the Solidity language. Proven experience in developing similar projects would be crucial.

    $315 (Avg Bid)
    $315 Сер. заявка
    8 заявки

    ...talented artists to create digital illustrations for my fantasy-creature themed non-fungible token (NFT) collection. Key Responsibilities: - Pokée style digital illustrations of fantasy creatures - Creating unique, captivating pieces that align with the overarching theme - Ensure each digital piece is fully optimized for Ethereum-based NFT production Ideal Skills: - Extensive experience in digital artistry, particularly in the realm of fantasy - Familiarity with the Ethereum NFT ecosystem - A strong understanding of the unique artistry aspects required for NFT creation To be successful in this project, being able to flourish under a stylised, fantastical creative direction is a must. I am looking for individuals who can breathe life into these fantasy creatu...

    $57137 (Avg Bid)
    $57137 Сер. заявка
    24 заявки
    Cryptocurrency Exchange Development 9 годин(-и) left
    ПІДТВЕРДЖЕНО

    I'm looking for a skillful developer to help in building a customized cryptocurrency exchange. It will be a platform where users can buy, sell, and trade Bitcoin, Ethereum, and Ripple in various trading pairs. i will provide you with scripts and source codes to set up the exchange within a day or two so Key Requirements: - Cryptocurrency Support: The exchange should allow for transactions with Bitcoin, Ethereum, and Ripple. - Trading Pairs: I need the exchange to offer trading pairs like BTC/USD, ETH/BTC, and XRP/ETH. - Real-time Market Data: Real-time market data is a must-have for ensuring transparency and efficiency in the trading process. - Trading Charts: The inclusion of trading charts is essential for users to analyze market trends and make informed decisions....

    $571 (Avg Bid)
    $571 Сер. заявка
    63 заявки

    I am looking for a skilled developer to assist me in developing an Ethereum-based NFT marketplace. My goal is to create a platform where both buyers and sellers can participate, trading various types of NFTs such as artwork, music, and collectibles. Key Requirements: - Implementing an Ethereum-based NFT marketplace from scratch. - Ensuring the platform supports multiple types of NFTs (Artwork, Music, Collectibles). - Providing a seamless and secure experience for both buyers and sellers. - Incorporating the specific design I have in mind for the marketplace. Ideal Skills and Experience: - Proficiency in Ethereum blockchain and NFT standards. - Previous experience in developing NFT marketplaces. - UI/UX design capabilities to bring my specific design vision to life. -...

    $55 / hr (Avg Bid)
    $55 / hr Сер. заявка
    30 заявки
    NFT Minting Project for Solana 6 годин(-и) left

    I'm looking for a skilled developer to help me mint 5000 unique NFTs on the Solana blockchain. The NFTs will be of two types: artwork and collectibles. Key Requirements: - Mint 5000 unique NFTs on the Solana blockchain - Implement royalties management for all NFTs - Categorize NFTs into artwork and collectibles Ideal Skills and Experience: - Proficiency in Solidity and Solana smart contract development - Previous experience in NFT minting - Excellent understanding of royalties management in NFTs - Strong background in managing and minting large volumes of NFTs Please share your previous NFT projects and let me know if you have experience minting NFTs on Solana specifically. Looking forward to seeing your proposals.

    $138 (Avg Bid)
    $138 Сер. заявка
    10 заявки
    Blockchain Analyst for BTC and ETH Transactions 4 годин(-и) left
    ПІДТВЕРДЖЕНО

    Please note that this has a deadline on Sunday 05/05. I urgently require the expertise of a seasoned Cryptocurrency Analyst, with proficiency in Bitcoin and Ethereum, specifically for: - Tracking and tracing transactions - Analyzing wallet activity and - Identifying owners of wallets. As the client, I do not have a preference for specific platforms or tools to be used for this project. So your knowledge and personal discretion will come in handy. Familiarity with widely-used platforms like Blockchair, , and will be beneficial. However, I'm open to other effective suggestions. Skills and Experience: • Cryptocurrency analysis • Proficiency with BTC and ETH blockchain • Ability to identify wallet owners • Skilled in the use of wallet tracking tools This...

    $21 / hr (Avg Bid)
    $21 / hr Сер. заявка
    16 заявки

    I'm seeking an experienced developer to create a custom cryptocurrency payment gateway for my website. The main cryptocurrencies I want to integrate are Bitcoin, Ethereum, Litecoin, and USDT ERC20. Key Functionalities: - Secure Wallet Integration: The payment gateway should have a secure wallet integration to ensure the safety of transactions. - Payment History Tracking: I'd like a feature that allows me to easily track payment history for transparency and accounting purposes. Ideal Skills and Experience: - Proven experience in developing crypto payment gateways - Proficiency with Bitcoin, Ethereum, Litecoin, and USDT ERC20 - Strong understanding of secure wallet integration - Previous projects demonstrating payment history tracking - E-commerce platform experien...

    $441 (Avg Bid)
    $441 Сер. заявка
    78 заявки
    MiningWeb.io Закінчився left

    ...(dApp) for a DeFi gaming platform. The ideal candidate should be proficient in Smart contract development, Solidity programming, and Blockchain integration. Additionally, skills related to NFTs and art (Web3 artist) are highly desirable for this project. Key Responsibilities: - Develop and deploy smart contracts on the blockchain - Implement and integrate blockchain technology for the dApp - Design and integrate NFTs and other art-related aspects into the platform Functionalities Required: - User authentication - Token trading - Voting system Ideal Skills and Experience: - Previous experience in DeFi or gaming dApp development - Strong knowledge in Smart contract development, Solidity programming, and Blockchain integration - Familiarity with NFT marketplaces and Web3 a...

    $35 / hr (Avg Bid)
    $35 / hr Сер. заявка
    72 заявки

    I'm having functional issues with my two bots - one resides on Solana and the other on Ethereum. The problem appears to be that they are causing errors within other systems. Specifically, I need assistance with: - Identifying the cause of these errors. - Fixing the issues to ensure the seamless operation of these bots and compatibility with other systems. The ideal candidate will have: - In-depth knowledge of both the Solana and Ethereum platforms. - Experience in troubleshooting and debugging bot systems. - Understanding of how bots interact within larger systems. Your end goal is to restore both bots to full and error-free functionality. Our goal is to get both of these bots working and fully functional

    $92 / hr (Avg Bid)
    $92 / hr Сер. заявка
    61 заявки

    Будь ласка, зареєструйтесь або увійдіть в систему для перегляду деталей.

    Обраний Прихований Угода про нерозголошення
    Binance Smart Contract Bug Fixer Закінчився left

    I'm looking for a blockchain expert who can troubleshoot and rectify bugs in my existing smart contract deployed on Binance Smart Chain. Key Responsibilities: - Analyze t...Responsibilities: - Analyze the smart contract: Understand the functions and logic implemented. - Bug Identification: Identify the source and nature of bugs. - Bug Fixing: Modify code to eliminate bugs without affecting the contract's functionality. - Testing: Ensure the contract runs smoothly post-fix. Ideal freelancer: - Extensive experience with Binance Smart Chain and Smart Contracts. - Proficient in Solidity programming language. - Strong understanding of blockchain technology and decentralized applications. - Previous experience in debugging, testing, and deploying smart contracts would be a si...

    $41 (Avg Bid)
    $41 Сер. заявка
    4 заявки

    I am looking for an intermediate level Ethereum token smart contract developer to join my project. Your tasks: - The implementation of token creation and distribution features. - Enabling token transfer functionality. - Conducting a comprehensive smart contract audit to ensure security and effectiveness. Please note that although the specifics of the job were not detailed in the project description, I am searching for individuals with intermediate knowledge and experience in Ethereum token development. As such, please include a detailed project proposal in your application, outlining how you intend to accomplish the tasks outlined above. This project provides an excellent opportunity for those looking to enhance their portfolio in cryptocurrency and blockchain developmen...

    $78 (Avg Bid)
    $78 Сер. заявка
    14 заявки

    I'm seeking a skilled Solidity developer to create a smart contract on the Ethereum platform for my project. - Proficient in Solidity: Having a deep understanding of the Solidity programming language is tremendously important for this project. Familiarity with Ethereum's layer solutions would be advantageous. - Experience with Ethereum: Having significant experience working with smart contracts on the Ethereum platform will be beneficial in ensuring smooth development and functionality implementation. - Types of Projects: We are aiming to develop a smart contract which requires extensive knowledge about writing, testing, and implementing contracts on Ethereum. Prior experience with similar projects is a plus. I look forwa...

    $139 (Avg Bid)
    $139 Сер. заявка
    24 заявки
    Solidity Contract Fix and Deployment Закінчився left

    I need a skilled Solidity developer to work on my existing smart contract. It has some functionality issues that need to be resolved, and it's also facing deployment errors. Your expertise in both troubleshooting and deployment is crucial for this project. Key Tasks: - Identify and fix the smart contract's functionality issues - Resolve any deployment errors that are preventing successful deployment While I didn't specify a particular optimization goal, I'm open to suggestions on how the contract could be optimized. This could include reducing gas fees, improving transaction speed, and enhancing security measures. Feel free to provide your own insights and recommendations in this area. Ideal Skills and Experience: - Proficient in Solidity programming la...

    $572 (Avg Bid)
    $572 Сер. заявка
    41 заявки

    As a web development team, we have a solid foundation but lack in-depth knowledge and experience in web3/blockchain technology. We crave for a senior blockchain engineer to bolster us, especially on Ethereum and Bitcoin projects. • Skills and Experience: The ideal candidate will be proficient in Solidity and Ethereum Virtual Machine (EVM), and have extensive experience developing smart contracts, implementing token creation and integration, minting, and staking. • Responsibilities: The engineer will closely collaborate with our team and jump into our ongoing projects. Long term collaboration is desired. Expect to make significant contributions from sprint planning to deployment. We are excited about the potential advancements blockchain technology can b...

    $89 / hr (Avg Bid)
    $89 / hr Сер. заявка
    28 заявки
    Ethereum Trading Bot on Uniswap Закінчився left

    I need a trading bot designed to work with the Ethereum cryptocurrency on Base network on the Uniswap V2 platform. This bot should be set to automatically buy and sell ETH at specific intervals without human intervention. Key Features: - Automatic Buying/Selling: The bot should automatically execute buy and sell orders based on the parameters set - Time Interval Trigger: Trading actions should be triggered based on specific time intervals, and not based on price or trend. Ideal Skills and Experience: - Proficiency in Ethereum and Uniswap V2 - Experience in designing and implementing trading bots - Understanding of automated trading strategies - Proven track record of bot development in the crypto space - Ability to deliver a reliable and secure trading solution....

    $386 (Avg Bid)
    $386 Сер. заявка
    7 заявки

    ...memecoin trading on the Raydium DEX. This bot should aim for a market cap increase via intensive buy and sell operations. Key Requirements: - Experience with Solana-based Dapps and developing trading bots. - Familiarity with Raydium DEX's API and interface. - Can implement a market-making strategy focused on aggressive buying and selling. Desired Skills and Experience: - Strong background in Solidity or other Web3 compatible languages. - Experience in working with DEXs, preferably Raydium. - Understanding of cryptocurrency market mechanics. - Ability to work under tight deadlines. This project will need continuous optimization and potential for ongoing work for the right candidate. Therefore, familiarity with the fast paced trading environment and adaptive nature of me...

    $1170 (Avg Bid)
    $1170 Сер. заявка
    41 заявки