Blockchain Jobs

I'm in need of an experienced developer who can create a DEfi flash loan arbitrage bot. The bot's primary goal will be to capitalize on price differences across various cryptocurrency exchanges. Key Responsibilities: - Develop a sophisticated arbitrage bot that can execute trades rapidly and efficiently - Ensure that the bot is capable of leveraging flash loans in order to maximize profits - Implement robust security measures to safeguard the bot from potential risks Ideal candidate should have: - Extensive experience in DEfi and the cryptocurrency space - A strong understanding of flash loans and arbitrage strategies - Proficiency in developing and managing trading bots - Excellent problem-solving and analytical skills Please provide details on your relevant experience and ...

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

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

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...

We are seeking a talented and experienced Blockchain Developer or a team of developers to upgrade our existing Roulette Game project to incorporate blockchain technology. The successful candidate(s) will play a pivotal role in enhancing the game's security, transparency, and overall user experience by implementing cutting-edge blockchain solutions. Responsibilities: Collaborate with the existing development team to understand the current architecture and functionality of the Roulette Game project. Analyze and identify areas of improvement in the game's security, fairness, and user experience. Design and implement blockchain-based solutions to enhance the game's functionality, transparency, and reliability. Integrate smart contracts into the game's logic to ensure fair...

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.

I am urgently seeking a proficient blockchain developer with a specialization in DeFi (Decentralized finance) projects. Key Features: - Develop Decentralized Applications (dApps) - Implement smart contracts - Creation and integration of a cryptocurrency - Ensure protocol for Real-World Assets (RWA) Ideal Candidate: - Deep knowledge and rich experience in AI - Profound understanding and experience with DeFi projects - Skilled in creating and managing dApps - Expert in smart contracts - Knowledge and understanding of RWA protocols - Ability to work under tight deadlines This project requires immediate attention and needs to be completed ASAP. Please bid if you have the necessary skills and can meet the deadline.

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 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.

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...

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.

I am in urgent need of a specialist with deep knowledge of the Tron blockchain platform. The task at hand consists of deploying a pre-existing smart contract. To excel in this, you'll require: - Proficiency and extensive experience with Tron blockchain. - Knowledge and previous experience with smart contract deployments. - Ability to deliver the task as soon as possible. Your prime responsibility is to successfully deploy this existing contract on the Tron chain. No development or modification is required - I need an expert who can handle the deployment swiftly and flawlessly. If you have the knack for troubleshooting blockchain challenges and are comfortable working under tight schedules, this is for you.

I'm looking for a highly skilled TypeScript coder to assist in finalizing a Minimal Extractable 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 e...

Flash loan arbitrage bot on DEX DeFi like uniswap and others. You have to know how to do it. It's not enough to just have heard about it. We are looking for someone who has already done this themselves. We want to search for the suitable tokens with a scanner we want to take a flash loan we want to buy a token with it We want to sell the token at a higher price. We want to do all of this faster and cheaper than the others. That means we buy wBTC or wETH, for example, so that we don't have to bridge them. that costs too much time and too much money. We want to integrate this offer into our exchange. That means our frontend should be used. We do the design for the frontend, you set up the endpoints with all the backend code. ATTENTION WE DO NOT PAY FOR THE TRAINING OF DEVELOPERS ...

I need a talented whitehat hacker proficient in Web3 to safeguard my future Airdrops from being unfairly claimed by sweep bot accounts. Key Tasks: - Saving future Airdrops Your task is to save Airdrops which blackhat hacker will claim within seconds...you have to outrun him....i will pay you huge

I'need of a professional who's well versed in blockchain technology, particularly Polygon and Telegram's TON network. Key requirements include: - A Telegram bot that facilitates cryptocurrency transactions on the Polygon network and orTON. - The bot should be secure, user-friendly, and efficient. - The ability to seamlessly interact with the aforementioned blockchains is fundamental. Ideal skills for this project: - Blockchain technology proficiency, particularly in Polygon and/or Telegram Open Network (TON). - Experience in developing Telegram bots and integrating them with different blockchains. - Knowledge of cryptographic security and cryptocurrency transactions. I'm looking for someone who can deliver a high-quality, reliable, and fast cryptocurrency transactio...

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.

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. - Two-factor ...

I'm looking for an experienced developer to create a Solana-based staking app. The app needs to be available on both web and mobile platforms, following a specific design I have in mind. The app should provide advanced-level user interaction, catering specifically to experienced users in the staking ecosystem. Key Requirements: - Proficiency in Solana Blockchain Development - Experience in creating both Web and Mobile Applications - Ability to follow a specific design and layout - Understanding of staking in the blockchain space - Prior experience in developing advanced user interfaces and interactivity Please provide examples of your previous work in Solana development or similar blockchain projects when bidding. We only need US developers. Please do not bid on this job if you...

I'm in search of a talented front-end developer with experience in cryptocurrency wallet integration for a project I'm working on. Please check the GitHub repo. Please start the bid with "I read this repo"

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 task r...

We need crypto wallet with full source code. requirement 1. Custodial ( Centralized) with two level layer of user and admin 2. ordinary crypto wallet with multi factor authentication, such as mobile phone number, e-mail address, and authenticator app. 3. admin can disable users sending coins. 4. ERC-20 coins 5. deadline 4th of May 6. full source code open 7. deploy on our client's server

Task: • Analyze six blockchain transaction records (2 SOL, 2 BTC, 2 ETH) • Identify the perpetrators • Compile evidence for law enforcement Requirements: • In-depth knowledge of blockchain technology and cryptocurrencies • Experience in analyzing blockchain transactions • Ability to clearly communicate complex matters

For this project, I need a highly skilled game developer with extensive knowledge and experience in Solana blockchain technology. This project entails creating a platform game with a gambling mechanic. Key Requirements: - Development of a small platform game with gambling mechanics. - The central mechanic of the game should revolve around 'Winning Virtual Currency or Tokens'. - The virtual currency or tokens won in the game should have real-world value in the form of cryptocurrency. - Familiarity with Solana blockchain technology is a must, for the integration of the virtual currency. Ideal Abilities: - Excellent skills in blockchain technology, particularly Solana. - Proven track record in game development, specifically platform games with incorporated gambling mechanics. -...

I want to recreate the website using different data sources and a new design. The key features I need are: - Live Data Updates: The website should be able to update data in real time. - Social Sharing Buttons: The site should have easy-to-use social sharing options. As for the design, I am open to suggestions but most importantly, I need it to be user friendly and visually appealing. Ideally, you should have the following skills and experience: - Proficiency in web development - Experience in working with live data sources - Design skills, particularly in user interface and user experience Please provide examples of similar projects you've worked on in the past when you apply.

I'm looking for skilled and experienced freelancers across different domains - web development, graphic design, content writing, and more. Your past work and detailed project proposals will be valuable in your application. Please reach out if you are interested in working with me. Thank you.

As a client, I'm seeking the assistance of an experienced blockchain developer to help with the creation of a decentralized finance (DeFi) platform on Solana SPL Token. Key Project Requirements: - Creation of a functional, robust DeFi platform. - I am open with regard to the specific features of the platform since this was not specified during our discussions. The abilities of providing liquidity pools, yield farming, lending and borrowing facilities are welcome. - I have a design and branding concept in mind, which would be provided to help maintain the aesthetics and user-interface of the platform. Preferred Skills and Experience: - Extensive experience in blockchain development, particularly on the Solana network. - A solid understanding of SPL token and decentralized finance...

I'm looking for an experienced blockchain developer, specifically with a skilled background in Chainlink Oracle Smart Contract development. - The task involves creating a custom Chainlink Oracle Smart Contract tailored to manage financial data feed. - You'll be working with APIs to retrieve financial data on an hourly basis. - Unlike most projects, no calculations are required on the incoming data before returning it. Ideal skills: - Prior experience with Blockchain development - Deep understanding of Chainlink Oracle Smart Contracts - Proficiency in API data management - Knowledge and experience with financial data.

I'm in need of a developer to create a custom healthcare information system for managing patient records, scheduling appointments, and storing research laboratory results and patient consents. Key Features: - Patient Record Management: I need a system that can comprehensively manage patient records. This includes storing essential personal and medical information, as well as the ability to update and track changes over time. - Appointment Scheduling: The system should allow for efficient appointment scheduling. This includes features such as setting up and confirming appointments, as well as sending reminders. - Prescription Management: I also need the system to manage prescriptions for patients, including tracking medication, dosage, and instructions. System Preferences: - ...

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I need white label custodial crypto wallet immediately. I don't have time to develop from scratch. It must be delivered immediately with its source code open.

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 language - Exten...

Please develop crypto wallet quickly. You must have experience and deliver quickly

I'm in need of a talented UI designer to create a modern and minimalist landing page for a crypto presale. The page will be the first point of contact for potential investors, and should reflect the innovative and cutting-edge nature of the crypto space. I need All Possible sections in single page Header Hero Header How to Buy Tokenomics Road Map About us Etc all required pages Please apply if you have experience in Presale Landing Page Ideal Skills: - Proficiency in UI/UX design & Development with a strong portfolio showcasing modern and minimalist styles. - Prior experience with landing page design, particularly for fintech or crypto projects. - Understanding of conversion rate optimization principles to create a compelling and persuasive design. If this project sounds like ...

I'm in need of a talented UI designer to create a modern and minimalist landing page for a crypto presale. The page will be the first point of contact for potential investors, and should reflect the innovative and cutting-edge nature of the crypto space. I need All Possible sections in single page Header Hero Header How to Buy Tokenomics Road Map About us Etc all required pages Please apply if you have experience in Presale Landing Page Ideal Skills: - Proficiency in UI/UX design & Development with a strong portfolio showcasing modern and minimalist styles. - Prior experience with landing page design, particularly for fintech or crypto projects. - Understanding of conversion rate optimization principles to create a compelling and persuasive design. If this project sounds like ...

I need an experienced developer to help me resolve some issues I'm experiencing with my crypto exchange. - Bugs: I'm facing problems with trading on the platform. Specifically, users are unable to execute trades and are facing issues with their displayed balances. - Additionally, there are significant problems with deposit and withdrawal functionality. These include failed deposits, missing withdrawals, and incorrect transaction amounts. Ideal Skills: - Proficient in cryptocurrency exchange development - Experienced in resolving trading issues - Skilled in debugging and error resolution - Understanding of deposit and withdrawal processes in crypto exchanges - Ability to troubleshoot and fix balance discrepancies - Knowledge of order execution and cancellation procedures Yo...

I am in need of an expert to integrate a WalletConnect payment gateway in my existing WooCommerce shop. This should be functional on both desktop web and mobile platforms. The ideal candidate should have: - Proven experience in Payment Gateway Integration. - Specific knowledge and experience working with WalletConnect. - Experience in WooCommerce development. - Knowledgeable about desktop and mobile web compatibility. Please note that existing payment options have been set up and the task will be primarily focused on integrating WalletConnect as an additional payment method. Your task will be deemed complete when customers can successfully make payments using WalletConnect on both mobile and desktop platforms.

Need to develop centralized crypto wallet for Tether USDT for myself candidate must have coding of the past project already and deliver immediately. If you need some days to develop from scratch, we don't need you. candidate must demonstrate wallet online.

Please create new wallet for USDT Key phrase can be changed anytime as I want Block transfer outside of the registered addresses

I'm searching for an experienced developer to create a crypto flash coin generation platform based on BEP20 or Binance network. Some of the key elements I want incorporated into this platform include: - User Registration and Login: A robust system that guarantees seamless user registration and login. - Coin Generation Algorithm: Implement an algorithm that facilitates efficient and reliable generation of coins. - Wallet Integration: Integrate a user wallet into the platform for seamless transactions. The design of the platform should be minimalistic, clean, and user-friendly. Your knowledge in cryptography is highly desirable as the system needs to be secure and should employ cryptographic security measures to ensure the safety of transactions and user data. An appreciation for ...