Blockchain Jobs

Necesito que un experto en criptomonedas me diga si los bitcoins que tengo en mi Metamask son reales o son una estafa y quiero a su vez asesoramiento de cómo recuperar los fondos en el caso de que llegaran a ser reales. Si son reales pagaré con 1 BTC a quien me haga el trabajo.

I am searching for an advanced level Web3 backend developer who has extensive experience working with Ethereum. The scope of the project requires the following functionalities to be integrated: - Smart contract implementation - Token creation The ideal candidate should have a strong grasp of blockchain technology, particularly Ethereum, and a proven track record of implementing smart contracts and creating tokens. They need to maintain the highest level of quality, accuracy, and security in their work. Advanced skill set in backend development is a must.

As a client based in Europe or America, I'm searching for a seasoned project manager with a background in handling web projects. The role requires someone with experience in both regions to effectively manage the project. Key Responsibilities and Objectives: - Oversee and coordinate all aspects of the web development project - Ensure the project meets the specific goals of increasing online sales and improving user experience - Act as the main point of contact between the development team and the client (myself) Skills and Experience: - Proven track record in managing web development projects - Strong understanding of web technologies and best practices - Excellent communication and client management skills - Ability to work effectively with teams from diverse backgrounds - Prior ex...

We developed custodial wallet using Kotlin, JAVA, Node.js, etc. and when we click the send button coins cannot be sent. Please check and fix the issue. apk backend admin panel

I want a python3 script to run some modules related to the blockchain. I need an expert one that can create a python3 script with no issues (optimised to work well)

As someone with an advanced understanding of Crypto and a specific interest in leveraging Crypto Liquidity Pools, I'm seeking an experienced individual to guide me in this area. My primary goal is to deepen my knowledge of DeFi, specifically through the lens of liquidity pools, with an intention to expand my investment strategy and potentially earn passive income. Key Requirements: - Proven experience and understanding of Crypto Liquidity Pools and DeFi - Ability to provide comprehensive, engaging, and tailored guidance to an advanced learner - A track record of helping clients achieve their investment and DeFi goals Ideal Skills and Experience: - Strong grasp of Crypto and DeFi concepts - Previous experience with Crypto Liquidity Pools - Excellent communication skills to convey com...

I sent $100 to the wrong address on the Solana Blockchain from my USDC Solana trust wallet to Solana token to NDAX broker. Here is the transaction

Please apply only if you can start immediately. I'm seeking a highly skilled blockchain developer to create first-rate smart contracts for an upcoming project. Though the specifics of the transactions that these smart contracts will be used for hasn't been decided yet, you'll be required to produce high-quality, robust, and efficient code. Key responsibilities will include: • Identifying and defining the requirements for the smart contracts • Creating and implementing the smart contracts Ideal candidates will have: • Proven experience in blockchain development • Extensive knowledge of smart contracts development • Ability to work independently and take initiative • Excellent problem-solving skills Please detail your experience with creating ...

Project details €25.00 - 300.00 EUR. I am looking for an experienced developer to create a bot (on the telegram platform) capable of instantly buying and selling Solana tokens on Raydium, Jupiter DEX. You will need to develop a bot that will perform transactions fully automatically, without the need for manual approval. Key features: Telegram platform Seamless integration with Raydium. Orca. Jupiter. Phantom wallet import Instant execution of buy/sell orders (swap in less than 1 second) Copytrading Full automation of operations. The ideal candidate should have: Experience in programming trading bots. Excellent knowledge of Solana and its DEX platforms (Serum Dex). High level of accuracy and attention to real-time changes. More details will be provided upon receipt of the assignmen...

I'm actively seeking a Hyperledger Fabric expert who can proficiently fill in the gaps of this project: - You may be tasked with an array of responsibilities such as development of smart contracts, network setup and configuration, and chaincode deployment. - It's uncertain at this point whether the goal will be to develop a new Hyperledger Fabric network, join an existing one, or something else. - The exact purpose of the project is not currently defined, but application areas may include supply chain management, financial transactions, or identity management. The ideal freelancer for this project will have proven experience and demonstrated skill in all areas of Hyperledger Fabric, adaptability to evolving project requirements, and the ability to effectively communicate and...

Job Opening: Expert Solana Developer We are seeking a highly skilled Solana developer to optimize a high-performance server for managing spam transactions effectively. The ideal candidate will enhance transaction throughput and minimize response times for RPC calls. Responsibilities: Optimize transaction handling for maximum throughput. Enhance server response times to RPC calls. Implement custom transaction retry logic to effectively balance retry sequences. Configure transactions to expire after five blocks using custom blockhash settings. Requirements: Profound expertise in Rust programming. Extensive hands-on experience with Solana node and validator operations. Ability to create comprehensive, easy-to-follow documentation outlining setup processes, configuration settings, and opti...

I am seeking an expert who can assist with financial modelling for an upcoming Web 3.0 project, a Decentralized Exchange (DEX). The focus will be on establishing a comprehensive economic framework, including but not limited to: - Detailed tokenomics: This will involve guidance on token distribution/allocation strategies, and defining clear token utility and use cases. The ideal freelancer should be experienced in developing robust token models for DEXs. - Revenue modelling: This would require identifying and structuring various potential revenue sources and strategies for the platform. Previous experience in revenue modelling for DEXs or similar platforms is highly desirable. No specific design preferences or visual concepts have been indicated for this project. Therefore, the ab...

More details: What type of blockchain development are you looking for? Blockchain integration Which blockchain platform do you prefer for your cryptocurrency development? This question was skipped by the user Are there any specific features or functionalities you would like to integrate into your existing system through blockchain integration? Secure and transparent transactions, Decentralized identity management, Immutable data storage

Hello Everyone, I need an expert developer for my on going project. We wanna make a visualizer where user can change vehicle body color. So I need expert person who has previous experience on this area. If you are new and you think you are good fit this this position then feel free apply on this job. I'll talk details in private chat. Thanks in advance

Kotylin and JAVA engineer is wanted for crypto wallet. 1. Detect the location in the files where connection information to DB is defined and analyze how app and DB are connected. 2. Change DB name and password on app and DB sides without causing any trouble and make the system work.

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 examples of past projects...

We will launch a token voting platform and need a skilled blockchain developer for our project.

I'm in search of a TON chain expert with prior experience in presale to help fix existing errors in my project. Key Requirements: - TON Chain Expertise: Profound knowledge of TON chain and hands-on experience in working with it is a must. - Presale Experience: Prior experience in developing and managing presale projects is highly preferred. - Error Fixing: Capable of identifying and rectifying errors in an existing TON chain implementation. - Presale Launch Pad: Ability to implement and manage a presale launch pad within the TON chain. Your primary responsibilities will include: - Identifying and fixing errors in the current TON chain implementation. - Implementing a presale launch pad within the TON chain. - Assisting in the development of a successful presale strategy. Ideal cand...

Hey, We are looking for Senior Blockchain Developers (5+yrs) with a deep understanding of L2, Rust, C++ and Solana codebase. If you feel this is a good fit, please send your CV Max rate is 16$

I am looking for a proficient developer who can build a decentralized application (DApp) aimed at the education sector. Key features include: - User registration and login system: To ensure smooth and secure access for users, I want a registration and login system based purely on the traditional email and password approach. - Interactive learning modules: These should incorporate diverse content types such as video lectures, interactive quizzes, and downloadable resources. - Token Wallet Integration: The DApp should allow users to hold and manage tokens. Proficiency in smart contract development and encryption is a must. - Initial Coin Offering (ICO) & DEX Trading: The project extends to setting up an ICO for the tokens and enabling their trade on decentralized exchanges. Candidat...

I am looking for a skilled developer to create a fully tested and secure website (frontend, backend + admin panel) with no bugs or issues using the MERN Stack. The key features of the front end design include a responsive design, user-friendly navigation, and custom animations. For the backend it would be clean, and fast high quality code with comments and good organisation and readability. The ideal candidate will have experience working with tight deadlines, provide constant high quality updates and be able to deliver quality work within a short timeframe. Bids: Please provide 3 links to your recent MERN/MEAN projects and provide some documentation or proof that you were the original developer of those 3 websites please. Tech: Front-end Framework: React.js with and State Management + ...

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 integrating blockchain technology into existing systems. The ideal candidate should have a strong understanding of blockchain concepts, experience working with React and Node.js, and knowledge of smart contract development. If you are passionate about blockchain technology and eager to contribute to cutting-edge projects, we would love to hear from you. Responsibilities: - Develop and implement blockchain solutions using React and Node.js - Design and develop smart contracts - Build dece...

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 security ...

Project Description: We are seeking a highly experienced individual to lead the development and deployment of a decentralized AI and GPU-sharing platform. This long-term project requires a candidate with extensive expertise in AI, blockchain technology, and systems infrastructure to drive the implementation and scalability of the platform. More than 5 years of experience. Responsibilities: Design and develop a Layer 1 blockchain infrastructure optimized for task distribution in decentralized environments. Implement and maintain AI services using frameworks such as TensorFlow, PyTorch, Caffe2, and MXNet. Develop blockchain components, focusing on smart contracts and decentralized applications (DApps) integration. Manage cloud-based and on-premise GPU nodes, including deployment, scaling, ...

I'm looking for a skilled developer to lead the creation and deployment of a decentralized AI and GPU-sharing platform. Your primary goal will be to combine AI, blockchain, and systems infrastructure knowledge to create a high-performance and secure platform that's fully scalable. Responsibilities: Design and develop a Layer 1 blockchain infrastructure specifically optimized for task distribution in decentralized environments. Design, implement, and maintain AI services using popular frameworks such as TensorFlow, PyTorch, Caffe2, and MXNet. Develop blockchain components, focusing on smart contracts and decentralized applications (DApps) integration. Manage cloud-based and on-premise GPU nodes, including deployment, scaling, and monitoring. Ensure system reliability and scalabi...

We have custodial crypto wallet app and system on cloud environment. Please create design document for that. Language Java platform Heroku for app side and DB side on AWS

Please analyze the current APK source code and explain about the overall architecture and how it works

Estoy valorando el realizar un hardfork de la blockchain de BTC y necesito ayuda para eso.

I'm seeking a skilled developer to create a with all features including coin staking feature, vip membership feature and project scoring feature, Also News section, refer coinofficial (for staking and news feature idea) . Please feel free to propose any programming languages or frameworks you believe are best suited for this project. Your suggestions will be greatly appreciated.

I need Crypto market making bot which is generate Volume without any loss. I need python code means I can run on AWS cloud. I have one code if you do changes on that then that's also Okay for me.

I am looking for a highly skilled fintech team with expertise in blockchain technology, payment processing, and digital wallet development. - **Skills and Experience:** The ideal team will be well-versed in building secure and efficient digital wallets for multiple platforms, namely iOS, Android, and Web platforms. Proficiency in implementing blockchain technology and understanding of payment processing systems is a must. - **Design Expectations:** For the wallet design, I am leaning towards a minimalist design approach - clean, simplistic yet functional. This project will require a blend of technical skills, creativity, and understanding of current fintech trends, making it an excellent and challenging opportunity for professionals in the field.

Busco un desarrollador blockchain con experiencia para crear un Utility Token ERC-20 en Polygon con su correspondiente Smart Contract.

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 solutions. - ...

Please apply only if you can start immediately. I'm seeking a highly skilled blockchain developer to create first-rate smart contracts for an upcoming project. Though the specifics of the transactions that these smart contracts will be used for hasn't been decided yet, you'll be required to produce high-quality, robust, and efficient code. Key responsibilities will include: • Identifying and defining the requirements for the smart contracts • Creating and implementing the smart contracts Ideal candidates will have: • Proven experience in blockchain development • Extensive knowledge of smart contracts development • Ability to work independently and take initiative • Excellent problem-solving skills Please detail your experience with creating ...

Please analyze the current APK source code and explain about the overall architecture and how it works

I'm looking for a skilled Go developer to create a chaincode for Hyperledger Fabric. This chaincode will primarily focus on asset transfers and should be specifically designed for a command line interface. Key requirements: - Proficiency in Go programming language - Prior experience working on Hyperledger Fabric chaincodes will be highly beneficial - Ability to create a robust and efficient system for asset transfers - Strong understanding of blockchain technology and smart contracts Feel free to provide examples of your previous work in this field. Your work will significantly impact our blockchain system, so attention to detail and problem-solving capabilities are crucial.

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 ...

I'm in need of a skilled developer to create a crypto exchange platform. The project is inspired by the likes of OKEx, offering a similar set of features while prioritizing user interface customization. Key Features: - Wallet Integration: Seamless integration of digital wallets for users to store and manage their cryptocurrencies. - Trading Pairs Customization: The ability for me to customize and manage the trading pairs available on the platform. - High Liquidity: Ensuring the platform can handle high trading volumes while maintaining liquidity for users. Additional Customizations: - Customizable User Interface: The user interface is a key differentiator for this project. It needs to be designed and built on React, allowing for a highly customizable and user-friendly exper...

Understanding the Role of a Blockchain Developer To integrate wallet connect feature and make the game more decentralized by using smart contracts, it's essential to understand the role of a blockchain developer and the skills required for this task. A blockchain developer is responsible for developing decentralized applications (dApps) and smart contracts based on blockchain technology. They need to understand the architecture and protocols of the technology. In the context of game development, blockchain developers are also involved in developing 3D models, 3D designs, and 3D content used in games . Specializations within Blockchain Tech When looking for a blockchain developer to work on integrating the wallet connect feature and smart contracts into the game, it's importan...

Some charts I'm trading get rugged by some scammers that mint new tokens and sell them in the same block using a jito bundle. I need a solution that given a target token CA, to whenever new mints of that token are detected, before they even get confirmed as the dump happen in the same block to place a jito bundle of my own with a higher tip to liquidate my position before the ruggers transactions.

Hi all, Our company is looking forward to hiring a reputable software development agency that can help us build the American Express for Bitcoin. This implies that we will need a Bitcoin wallet and a Bitcoin card that will allow consumers to withdraw fiat currencies from local merchants worldwide. The wallet will come as a mobile app for Google Play and Apple Store, while the card will have the company's brand instead of the current card networks in the market i.e. Visa, Mastercard, etc. This is a full-stack project and all we have is the above project description. So, if you're interested and are capable of implementing the project, kindly share similar projects that you've done in the past, place a bid with a budget within the budget range and delivery time, and we will ...

I am looking for blockchain developers who specialize in Solana, with a focus on smart contract development. The goal of this project is to create a Solana-based utility token that can be redeemed on my website. This token will primarily grant limited time access to the control panel of our autonomous rover, used in our agri-tech business. Key Responsibilities and Skills: - Developing a Solana-based utility token - Ensuring this token can be redeemed on our website via QR code scanning - Enabling the redeemed token to provide limited time control access to our autonomous rover Ideal Experience: - Extensive experience in blockchain development - Strong expertise in Solana and smart contract development - Previous experience in utility token development and redemption - Familiarity with...

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 DeFi protocols and b...

I'm in need of a blockchain expert who can help me improve the transaction speed of blockchain which is forked from Bitcoin Core. Key Requirements: - You should be proficient in the Bitcoin blockchain technology. - A solid understanding of blockchain architecture, specifically concerning transaction speeds and scalability. - Experience in implementing solutions to improve transaction speed on the Bitcoin blockchain. Your main task will be to analyze the current blockchain setup and recommend and/or implement modifications that would enhance the transaction speed. The aim is to make transactions faster without compromising the security of the blockchain. Ideal Skills: - Blockchain Development - Bitcoin Network - Transaction Speed Optimization

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 simple terms I'm lookin...

Hola que tal antes de empezar informo que es un proyecto a largo plazo, por lo tanto puede estar un buen tiempo activo como otros proyectos que he publicado, tenga en cuenta eso antes de aplicar Nesecito crear un bot de telegram para la compra y venta de criptomonedas en la red de solana, debe tener funciones como DCA, snniper, compra y venta de % porcentaje, ordenes limit, entre otros la persona encargada debe saber de criptomonedas ( apis, dexes, entre otros) favor enviar presupuesto por el proyecto y rambien por actualizacion o mejoras dejo link de un bot de referencia @SolTradingBot debe quedar como ese y tener algunas mejoras

As I embark on my trading journey, I need assistance from a knowledgeable and experienced mentor. Specifically, I am seeking guidance provided in live market conditions. Although focused on technical analysis, I've chosen not to specify an area within this methodology at this time and keep an open mind. This means you should ideally be comfortable and proficient in, but not limited to: - Recognizing chart patterns, - Interpreting indicators and oscillators, - Undertaking candlestick analysis. The currency market is constantly moving. I need someone who can explain shifts in real time and help me make informed decisions by understanding these intricate changes better. Patience is key, as is the ability to explain complex subjects in a way that's easy to understand. Feel free ...

i need a bot to search solana mempool find new pairs with 10k+ locked liquidity then search the top 10 wallets to not hold more than 20% supply of the coin and then the bot open a buy in trade ... when profit is 100% want the bot to sell immediately the 50% of holdings and the rest keep it

i need a bot to search solana mempool find new pairs with 10k+ locked liquidity then search the top 10 wallets to not hold more than 20% supply of the coin and then the bot open a buy in trade ... when profit is 100% want the bot to sell immediately the 50% of holdings and the rest keep it

I urgently need a specialist well-versed in the Tron blockchain platform. The task involves deploying a pre-existing smart contract. To succeed in this role, you must possess: Extensive proficiency and experience with the Tron blockchain. Prior knowledge and hands-on experience with smart contract deployments. The capability to complete the task promptly. Your primary responsibility will be to deploy the existing contract on the Tron chain seamlessly. No development or modification is necessary - I require an expert who can swiftly and flawlessly handle the deployment. If you have a talent for troubleshooting blockchain challenges and are comfortable with tight schedules, this opportunity is for you.