Blockchain Jobs

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

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

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

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

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

From 68,439 reviews, clients rate our Blockchain Developers 4.83 out of 5 stars.
Hire Blockchain Developers

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    46 jobs found, pricing in USD

    I'm seeking a highly skilled developer to create an AI-powered automated trading and arbitrage bot that operates across all major centralized exchanges (CEXs) and decentralized exchanges (DEXs), with a focus on Binance, Coinbase, and all other CEXs. My goal is to implement this tool with minimal ongoing input from my side, leveraging AI to make informed trading decisions based on market data and trends. Since I do not have specific trading strategies in mind yet, I am open to, and in need of, expert suggestions to maximize profits through effective and efficient trading tactics. **Some Key Requirements (not fully detailled):** - Strong programming skills, particularly in languages such as Python, Java, C#, especially in writing efficient, clean, and maintainable code. - Integration w...

    $468 (Avg Bid)
    $468 Avg Bid
    9 bids

    please only quote if you can really provide this, don't bid randomly. i need Credit Card to Crypto payment gateway. where the customers can pay through credit and i get crypto like BTC, ETH, LTC into my pre provided crypto wallet. I have seen something like on where my customers can buy BTC for me and send to my wallet but my concerns is automated like customers no need to fill manual amount & wallet address. Required. Either prepare script which can be automatically fill on as following below. #1 .Pre defined amount fill automatically #2. pre defined wallet address automatically #3. Select Payment methods VISA automatically #4. Select Payment offers as Simplex automatically #4. Check agree and click Buy button automatically move to next page where customers wil...

    $573 (Avg Bid)
    $573 Avg Bid
    50 bids

    I am looking for a developer who can run jito bundles on my dedicated node s as soon as possible.

    $487 (Avg Bid)
    $487 Avg Bid
    12 bids

    I'm seeking a skilled developer to integrate Phantom Wallet with my application, specifically for the Solana blockchain. The core functionalities required are transaction signing and token transfer, all through client-side integration. This project will enhance our application's capabilities, allowing users to perform secure transactions directly within our platform. **Requirements:** - Strong proficiency in and JavaScript. - Experience with Phantom Wallet integration. - Deep understanding of Solana blockchain functionalities. - Ability to implement transaction signing and token transfer features. - Knowledge of client-side integration techniques. **Ideal Skills and Experience:** - Previous projects involving cryptocurrency wallets. - Familiarity with Solana's RPC API. -...

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    50 bids

    Project Description: Our project aims to develop an artificial intelligence-powered bot capable of executing spot and futures transactions in the cryptocurrency markets. The primary objective of the bot is to conduct market analysis, identify the best buying and selling opportunities based on real-time data, and automatically capitalize on these opportunities. Additionally, the bot should possess the ability to detect and swiftly execute arbitrage opportunities, reducing the need for manual trading and effectively assisting in portfolio management. Required Skills: - Strong programming skills, particularly in languages such as Python, Java, C#, especially in writing efficient, clean, and maintainable code. - In-depth knowledge of Blockchain Technology, financial markets, cryptocurrenci...

    $472 (Avg Bid)
    $472 Avg Bid
    11 bids

    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...

    $2570 (Avg Bid)
    $2570 Avg Bid
    47 bids

    Looking for developer to build site like metamax. Here is the link. I want to build the same exact one but want to use BEP20 instead of TRC20. So first signup and try with 1star package, and Start your bid your account number so I can see you checked my proposal in detail, if not decline. I will work on freelancer only, and keen on details, and reliable, careful developer. Thanks

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    40 bids
    Finance Dapp for Polygon 6 days left
    VERIFIED

    I am looking for an experienced developer to create a finance decentralized application (dapp) that runs on the Polygon blockchain. The core feature of this dapp will be wallet integration, enabling users to manage their finances seamlessly within the platform. **Ideal Skills and Experience:** - Proficiency in Solidity and smart contract development. - Experience with the Polygon blockchain. - Strong knowledge in dapp structure and decentralized finance (DeFi) mechanisms. - Familiarity with wallet integration techniques and security measures. - Proficient in or for front-end interactions with the blockchain. **Key Features Required:** - Smooth and secure wallet integration for users to interact with their assets. - Intuitive user interface that simplifies financial transactions. - Robu...

    $4557 (Avg Bid)
    $4557 Avg Bid
    21 bids

    I am in search of a talented iOS developer with solid experience in blockchain technology and ERC20 tokens. This project involves creating an app that will allow ERC20 Token transfers for both iPhone and iPad. Key Features: - ERC20 Token transfer: The application's most important function is the ability to transfer ERC20 tokens seamlessly. Additional Requirements: - Exchange API Integration: Expect to integrate exchange APIs, aiming to help users get real-time updates. Skill-set: - Proven experience in iOS development for both iPhone and iPad - Extensive knowledge of blockchain technology, especially ERC20 tokens - Familiarity with integrating exchange APIs - Keen attention to security details to ensure safe token transfers - Good problem-solving skills and creativity If this sou...

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    33 bids
    solana sniper bot 5 days left
    VERIFIED

    find new token pairs in a couple of seconds on raydium solana buy and sell in special condition to make profit if you can do this bot, write "solana" on thetop of proposal

    $507 (Avg Bid)
    $507 Avg Bid
    47 bids

    I'm urgently in need of an expert Solidity programmer to make crucial updates to our script. The modifications include: - Adding new features - Fixing existing bugs Ideal candidates should have proven experience in Solidity programming. I highly encourage sharing this experience while applying. We will discuss further details via chat. Please, only serious and immediately available freelancers should show interest. Your timely delivery is incredibly crucial for this project. Thanks.

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    18 bids

    I need an expert in market making, technical development and marketing and promotion to bring my 2021-launched cryptocurrency project back to life. Trading for my coin, currently less than $10,000 per day, is paused on six exchanges for lack of mm. Key tasks include: - Market Making Services: Establishing a strategy to restore trading, create market demand and stabilize prices. - Technical Development: Improving the existing infrastructure considering its development language is unknown as the question was avoided. - Marketing and Promotion: Formulating and executing a plan to attract new investors and boost market exposure. The ideal freelancer should have proven experience in cryptocurrency, market making, technical development, and strategic marketing. An understanding of exchange pr...

    $675 (Avg Bid)
    $675 Avg Bid
    6 bids
    Launch SPL Token on Solana 5 days left
    VERIFIED

    I am looking to launch a new SPL token on the Solana blockchain to suit various operational needs which could range from enabling tokenized assets, creating a payment system, or enhancing blockchain interoperability. However, the specifics around its utility are open for discussion and can be tailored based on the freelancer's expertise and suggestions. **Requirements:** - The SPL token's name and decimal specification are yet to be decided. I am open to suggestions based on current market trends and operational functionalities. - The ideal candidate should have experience in blockchain development, specifically within the Solana ecosystem. - Proficiency in Rust, the programming language commonly used for Solana contracts, is necessary. - An understanding of SPL token standards ...

    $236 (Avg Bid)
    $236 Avg Bid
    12 bids

    Help me set up and run "rusty-blockparser" on my MacBook. My primary aim is to get all public addresses and their balances from the Bitcoin Core blockchain offline Full Node using this tool. for analytics purposes I already downloaded all the Blockchain but I don't know how to set the input directory

    $44 (Avg Bid)
    $44 Avg Bid
    4 bids

    I am seeking an innovative solution to transform plastic waste management through a unique plastic credits system. This project is dedicated to not only reducing plastic waste but also providing meaningful empowerment and financial incentives to waste scavengers. We aim to create a sustainable ecosystem where plastic waste is a currency for positive change. **Core Functionalities Needed:** - *Waste Empowerment*: Enable scavengers to earn credits efficiently. - *Tracking System*: Accurately track waste volume and type. - *Credits Calculation*: Develop an algorithm to calculate credits based on specific criteria. - *Data Analysis & Reporting*: Insightful data interpretation for continuous improvement. - *Waste Verification*: Ensure reliability through a thorough waste verification proce...

    $164 (Avg Bid)
    $164 Avg Bid
    14 bids

    I'm looking for a developer skilled in Solana blockchain technology to create a specialized SPL token that simplifies the tax calculation process for its users. This project is geared towards making tax compliance easier by automating the calculation of taxes directly within the token's ecosystem, accessible through a web interface. Ideal Skills and Experience: - Basic understanding of blockchain and Solana network - Experience in creating SPL tokens - Proficient in developing web interfaces - Knowledge in implementing automatic tax calculation features - Ability to integrate the token functionality with a user-friendly web interface - Familiarity with tax laws and calculation methods is a plus, but not required Project Requirements: - Develop a Solana SPL token with the capabi...

    $3 / hr (Avg Bid)
    $3 / hr Avg Bid
    2 bids

    I'm currently seeking a skilled Blockchain developer with expertise in cryptocurrency, specifically, the SOL blockchain, and coin creation, to create a unique meme coin for me. Key targets you'd need to hit include: - Implementing a Token Burning Mechanism aimed primarily at encouraging long term holding. You'll need to configure and test this, ensuring it operates seamlessly and achieves its desired function. It should be noted that there are currently no limitations or stipulations in terms of potential investors in this meme coin. I also need full ownership of the coin as soon as it’s entered the market. Please make sure your proposals reflect your knowledge and experience with SOL blockchain and token burning mechanisms. Prior experience with meme coin creati...

    $789 (Avg Bid)
    $789 Avg Bid
    2 bids

    I am seeking an expert to guide me through the intricacies of managing a DAO effectively, with a focus on the Solana (open to all networks)blockchain. My comprehension of onchain governance is presently limited, necessitating a proficient consultant to educate me on the optimal practices for DAO management, including the choice of blockchain, arranging voting systems, and navigating the legal landscape. **Ideal Skills and Experience:** - **Comprehensive Knowledge of DAOs:** Deep understanding of decentralized autonomous organizations, especially within the Solana ecosystem. - **Blockchain Expertise:** Proficiency in Solana, including its advantages for implementing DAOs. - **Voting Mechanisms Insight:** Experience in setting up fair and effective voting systems within a DAO framework. - ...

    $24 (Avg Bid)
    $24 Avg Bid
    3 bids

    I'm hunting for a blockchain developer with an intermediate level of proficiency in Ethereum smart contracts. Functions: -ERC-20 Token Deployment with tax features -Simple Staking Contract. Your main responsibility will be to design and develop smart contracts on the Ethereum platform to facilitate the seamless interaction between involved entities. Key Responsibilities: - Design and create Ethereum smart contracts -ERC-20 Token Deployment with tax features -Simple Staking Contract. - Test, deploy, and optimize said contracts Preferred skills & experience: - Strong knowledge of Ethereum blockchain technology - Proven experience in creating Ethereum Smart Contracts - Solid conceptual understanding of cryptographic principles behind Blockchain technology - Able to produce bug...

    $1246 (Avg Bid)
    $1246 Avg Bid
    37 bids

    I am looking for an expert in blockchain dev to deploy an ERC404 token urgently. The timeline is crucial, so I need someone who can commit to a 24-hour delivery. First, understand ERC404 token standard (Different from ERC20) Check: After checking, please fork this contract: contract: Note that since different ERC404 token is associated with different NFTs, when you are forking the above contract, make sure to use our project NFT image

    $451 (Avg Bid)
    $451 Avg Bid
    25 bids

    I'm in need of an expert in the Cryptocurrency market who can take full control and execute trades for Bitcoin and Ethereum on my behalf. Given the nature of the role, it's vital that you have: - Demonstrable experience in trading these specific cryptocurrencies - A successful track record in managing and executing trades - Excellent risk management skills - Solid understanding of market conditions and trends Your role would not only involve executing trades but also keeping me updated on overall performance. You'd play a pivotal role within my trading operations, hence requiring absolute trustworthiness and professionalism.

    $542 (Avg Bid)
    $542 Avg Bid
    24 bids

    I am seeking an experienced partner to assist in end-to-end development of an NFT project that focuses on collectibles. It's not just about coding and design; I'm looking for a partner who's ready to brainstorm, plan strategically, and really nail this from concept to launch. This project needs to be integrated with Solana and Magic Eden. Key Roles and Responsibilities: - Building an NFT platform compatible with Solana blockchain - Integrating the project with Magic Eden for a seamless user experience. - Developing a solid mechanism for users to buy and sell their NFTs smoothly. Ideal Candidate: - Proven experience in NFT and blockchain development - Familiarity with Solana blockchain and Magic Eden - Understanding of online marketplace mechanisms such as buying and selli...

    $816 (Avg Bid)
    $816 Avg Bid
    46 bids

    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. Tech: Front-end Framework: React.js with + Typescript Styling: Tailwind CSS Back-end Framework: Node.js with Database: MongoDB Goal: Build a cryptocurrency gambling website from PSD + Figma designs and requirements provided and ...

    $3336 (Avg Bid)
    Local
    $3336 Avg Bid
    5 bids

    I'm looking to develop a cutting-edge web3 options trading platform (similiar to pancakeswap "prediction") on the Binance Smart Chain (BSC) with a primary focus on predictive trading functionalities. This project aims to provide users with a simple and intuitive interface, making it easy for traders of all levels to engage with the platform and make informed trading decisions. **Key Functionalities Needed:** - Predictive Trading: Implement algorithms that allow users to engage in predictive trading strategies efficiently. - Binance Smart Chain Integration: The platform must be fully integrated with the Binance Smart Chain to ensure quick and secure transactions. - User-Friendly Interface: Develop a clean, simple, and intuitive UI that ensures an excellent user experience,...

    $1156 (Avg Bid)
    $1156 Avg Bid
    35 bids

    I'm looking for a developer to give me a simple script for buying (create an order), and cancelling an order of NFT on Immutable X using Python. This project should use the rest API provided by Immutable X: Best is if you have already work on similar project, you can just share existing code you have previously done with me. I don't need final product, more like POC. **Key Requirements:** - Implement a script in python for creating buy order as well as cancelling order for an NFT. - Ensure the solution adheres to the security and efficiency standards of blockchain transactions on Immutable X. - able to run (if possible) without the use of any SDK, only using the API provided by Immutable X - Script should be able to run on linux environment **Ideal Skills and Experience:** - ...

    $16 (Avg Bid)
    $16 Avg Bid
    3 bids

    hi there I am in need of a proficient software developer experienced in desktop application creation, specifically familiar with the Windows platform and blockchain technology. The project requires the development of a blockchain desktop application for Windows. I want a usdt flashing pc software that has the following features: 1- Work on the Tron network trc20. 2- To be confirmed in the blockchain network. 3- To support the differnt wallets especially trust wallet. 4- Can transfer usdt flashing indefinitely. 5- The contract should be original and its decimal number should be 6. 6- It can be transferred to different wallets at least 4 times.

    $751 (Avg Bid)
    $751 Avg Bid
    25 bids

    We need an experience freelancer with a track record in Pre Sales and Smart Contracts. We need a crypto Web-3 Blockchain expert to develop an ERC pre-sale contract with in-built affiliate system. This intriguing project will entail: - Smart contract deployment: Your service in creating and deploying a solid, secure ERC token pre-sale smart contract is required. - Affiliate tracking system: An embedded affiliate program with tracking mechanism is part of this project. It needs to support a fixed percentage per sale. - Token distribution mechanism: Necessary for distributions after funds are raised. This contract's pre-sale duration is yet to be determined. Therefore, the contract should be flexible to accommodate a change in duration. Project: Crypto ERC Pre-Sale Contract with Af...

    $871 (Avg Bid)
    $871 Avg Bid
    13 bids

    Introduction: We are a dynamic startup dedicated to providing cutting-edge crypto services to businesses and individuals alike. As we strive to revolutionize the financial landscape with innovative solutions, we are excited to announce an opportunity for talented developers to join our team. Description: We are seeking 2-3 experienced developers to join our team and contribute to the completion of a cutting-edge crypto payment gateway service project. The project involves completing the backend infrastructure, developing the frontend interface for clients, and implementing necessary admin features. Requirements: - Solid experience in Cryptocurrency and Blockchain technologies. - Proficiency in Web3 development. - Expertise in JavaScript and frameworks such as NestJS. - Familiarity with A...

    $35 / hr (Avg Bid)
    $35 / hr Avg Bid
    83 bids

    I'm currently seeking a skilled blockchain developer with specialized experience in Solana for an upcoming project focused on the development of sophisticated smart contracts. This project is aimed at enhancing the operational capabilities of our internal team, integrating seamless and secure workflows within our infrastructure. **Ideal Skills and Experience:** - Profound knowledge of the Solana ecosystem. - Proven track record in developing and deploying smart contracts on Solana. - Familiarity with Rust or other relevant programming languages used in the Solana environment. - Understanding of blockchain security practices and potential vulnerabilities specific to smart contracts. - Ability to work closely with our internal team to understand our operational needs and tailor smart c...

    $1613 (Avg Bid)
    $1613 Avg Bid
    7 bids

    I'm looking to integrate a cutting-edge Crypto Booking system into my existing platform, Website A. This project is centered around a novel concept—enabling users to book and list rental services using various cryptocurrencies. It's an ambitious endeavor to blend traditional online booking capabilities with the dynamic world of blockchain payments. **Key Features Required:** - **Crypto Payment Integration**: Enable transactions using cryptocurrencies like USDT, Solana, ETH, and BNB. - **Listing and Booking Rental Services**: Users should be able to list their services for rent and others to book them, all payable with selected cryptocurrencies. - **Seamless User Experience**: Ensuring that the process of listing, booking, and paying with cryptocurrencies is smooth and user...

    $64 (Avg Bid)
    $64 Avg Bid
    6 bids

    I'm seeking a proficient freelancer from India who deeply understands the Bitcoin network. You must have an established profile on key peer-to-peer (P2P) platforms and be capable of trading large volumes of funds. Readiness to trade at any time is a must. Here are the qualities I'm looking for: - Expert in Bitcoin and cryptocurrency trading. In-depth understanding of the market and trading strategies is required. - Skilled in real-time trading on P2P platforms. The role demands instant response to trading opportunities. - Extensive experience with P2P platforms. You should have an impressive and active profile on top platforms. Only reliable individuals with a proven track record, who can handle high-pressure trading scenarios, should reply. Prompt and effective communica...

    $31 / hr (Avg Bid)
    $31 / hr Avg Bid
    5 bids

    ICO experience only. I'm seeking an experienced blockchain developer to create an ERC-20 token with the goal of launching a new cryptocurrency. The token will be the backbone of the startup www.infinidium.ca. Infinidium is revolutionizing datacenter/cryptomining cooling infrastructure and energy efficiency performance with the worlds first patented server cooling system which, requires no energy while producing power from waste heat. I am looking for a partner that will be compensated by success fee of $25,000 cash and with 1% of issued coins after the completion of the ICO as a success fee and has the following capacity: - **ERC-20 Token Creation**: Expertise in generating a secure and functional ERC-20 token, aligned with current standards but also allowing room for custom feature...

    $51350 (Avg Bid)
    $51350 Avg Bid
    38 bids

    I’m a client seeking services in acquiring and managing cryptocurrencies. I'm interested in three specific types which are Bitcoin, Ethereum, and Tether. The aim is not for active trading, but for a longer-term buy-and-hold strategy. Key responsibilities: - Procuring Bitcoin, Ethereum, and Tether. - Management of these cryptocurrencies in an online wallet system. Ideal skills and experience: - Degrees or certifications in finance, economics, or a related field - Strong knowledge of cryptocurrency markets - Experience managing online wallets for cryptos - Understanding of long-term cryptocurrency storage strategies.

    $290 (Avg Bid)
    $290 Avg Bid
    20 bids

    I'm looking for a skilled freelancer to elevate my blockchain project focused on Electronic Health Records (EHR) by incorporating additional security features and cutting-edge artificial intelligence technology. The objective is to enhance the functionality and privacy of health records while also using AI to predict future health concerns based on existing data. Key Enhancements Needed: - **Smart Contracts**: Implementation to ensure secure and transparent transactions. - **Data Encryption**: Strengthen the privacy and protection of health records. - **Access Control**: Restrict access to authorized users only, ensuring data integrity and confidentiality. - **AI Integration**: The AI component should analyze health records to predict future health issues, enabling proactive manageme...

    $82 (Avg Bid)
    $82 Avg Bid
    3 bids
    Simplification Project 1 day left
    VERIFIED

    I'm looking for a skilled developer to create a straightforward website that serves one primary function: displaying the current Bitcoin price in USD, sourced from Coinbase, on a clean white background. The price text must be in green, and I want a Bitcoin logo positioned to the left of the price indicator. The website should have no additional pages or features – the sole focus is on the price display, which must update in real-time. Ideal Skills and Experience: - Proficiency in web development (HTML, CSS, JavaScript). - Experience with API integration, specifically Coinbase's API for real-time Bitcoin pricing. - Aesthetic design ability to create a simple, user-friendly interface with a white background, green text, and incorporating the Bitcoin logo effectively. - Optim...

    $63 (Avg Bid)
    $63 Avg Bid
    42 bids

    I'm looking for a skilled CUDA programmer to develop a specialized tool designed for finding Bitcoin mnemonics. This tool is targeted at users with a strong understanding of cryptocurrency security and recovery processes. **Key Requirements:** - Compatibility with Windows OS. - A command-line interface to ensure straightforward usability for those familiar with terminal commands. - Ability to read and process data from a text file where the necessary inputs for mnemonic recovery will be listed. **Ideal Skills and Experience:** - Proficiency in CUDA programming for leveraging GPU acceleration, which is crucial for speeding up the mnemonic recovery process. - Experience in developing command-line interface (CLI) tools, especially those involving complex data processing. - Understandi...

    $2447 (Avg Bid)
    $2447 Avg Bid
    14 bids

    I'm in search of a skilled blockchain developer who has a deep understanding of BNB Greenfield and opBNB platforms. My project is geared towards seamlessly integrating blockchain technology with an existing application, focusing specifically on advanced smart contracts integration. **Essential Skills and Qualifications:** - Proficient in Solidity. - Experience with BNB Greenfield and opBNB for efficient implementation. - Proven track record of developing and integrating advanced smart contracts. **Project Requirements:** - Analyze the existing application to determine the most effective integration points for blockchain technology. - Design and develop advanced smart contracts that meet the needs of our application. - Ensure that the integration enhances the application's func...

    $640 (Avg Bid)
    $640 Avg Bid
    4 bids

    Job Description: We are seeking an experienced blockchain developer to create a sophisticated MEV (Maximal Extractable Value) arbitrage bot for the Ethereum Mainnet. The ideal candidate should have a strong background in Solidity, smart contracts, and Ethereum blockchain, with a deep understanding of decentralized finance (DeFi) ecosystems, flash loans, and arbitrage strategies. Responsibilities: Develop and deploy a high-frequency trading bot capable of identifying and executing profitable arbitrage opportunities across various DeFi platforms. Implement real-time mempool data analysis to detect and act on arbitrage opportunities before they are mined. Optimize smart contract code for gas efficiency and speed to ensure competitive advantage in MEV extraction. Ensure the bot’s secur...

    $4623 (Avg Bid)
    $4623 Avg Bid
    30 bids

    We are seeking a skilled freelancer or development team to create an MVP of a React-based application, with a strong focus on integrating blockchain technology for enhanced personal data security and encryption. This application is aimed at revolutionizing the way personal data is managed and protected, especially in sensitive sectors such as insurance, finance, and healthcare. **Key Features and Requirements:** 1. **React Framework:** The application must be built using the React framework for its front-end development, ensuring a responsive and user-friendly interface. 2. **Blockchain Integration:** Implement blockchain technology to store and encrypt personal data securely. The candidate should possess robust knowledge in blockchain frameworks suitable for this purpose, such as Ether...

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    95 bids

    I am looking for a skilled developer with experience in Rust Programming and deploying nodes on the Solana network to create a web-based game with a colorful and vibrant design. it will be based on the Pokemon Gen 1 Universe, form the map to the pokedex which will be interactive, the design will be relatively simple and straight forward as most resources and models are readily available through open source. I have taken thorough steps to ensure there are no legality issues Key Features: - Allow player engagement through an in-game marketplace and competitive leaderboards. - Incorporate a basic character movement system. - Include a referral system to promote the game. - Create an interactive "book" for live tracking of active nodes. Crypto Usage: - Also required ...

    $5762 (Avg Bid)
    $5762 Avg Bid
    42 bids

    I am looking for a skilled developer to create a USDT TRC20 flash software with the following requirements: Functionality: - Token transfers with blockchain conformation and should be visible in Trust wallet, Safepal is must,if possible binance then well and good. Timeline: - Less than 1 week Additional Features: - User interface design Ideal Skills and Experience: - Strong knowledge and experience in developing USDT TRC20 flash software - Proficiency in token transfers and smart contract integration - Ability to ensure multi-platform compatibility - Experience in user interface design to create an intuitive and visually appealing design - Attention to detail and ability to implement security measures to ensure the safety of transactions. If you have the expertise in these area...

    $377 (Avg Bid)
    $377 Avg Bid
    2 bids

    I'm searching for a seasoned professional to develop a robust DeFi platform utilizing the Solana, Binance Smart Chain (BSC) and Polygon blockchains. The primary purpose of this platform is to facilitate yield farming and staking. Key Features: 1. Decentralized Lending and Borrowing: Users should be able to lend and borrow digital assets securely. 2. Staking and Yield Farming: The platform should support staking for multiple tokens and offer yield farming opportunities to boost user profits. 3. Liquidity Pools: Allow users to pool their assets to earn transaction fees and rewards. Ideal Skills: - Proficiency in Solidity or Rust for smart contract development. - Familiarity with Solana, BSC, and Polygon blockchains. - Proven experience in DeFi platform building, particularly with yiel...

    $623 (Avg Bid)
    $623 Avg Bid
    44 bids

    I am seeking a skilled blockchain developer to create an NFT marketplace for me on the Binance Smart Chain (BSC). This platform will support two types of tokens and enable users to buy and sell NFTs. ### Key Requirements: - **Blockchain Development:** Extensive experience with Binance Smart Chain, smart contracts, and decentralized applications (dApps). - **Token Integration:** Proficiency in working with two token standards – specifically ERC721 for the NFTs and an additional token standard for transactions within the marketplace. - **Marketplace Features:** Ability to implement core marketplace functionalities, including: - User accounts with wallet integration - Secure NFT transactions (buying and selling) - **Security:** Advanced knowledge in blockchain security to...

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    58 bids

    I want to create a nft project on bitcoin (ordinals), I need a website that will boost twitter engagement, that means a when you sign in with your unisat / xverse wallet you get referral codes, for each successful invite you get points that scale you in the leaderboard

    $532 (Avg Bid)
    $532 Avg Bid
    67 bids
    Solana Staking Dapp Development 13 hours left
    VERIFIED

    I'm seeking a skilled developer to create a decentralized application (dapp) on the Solana blockchain for my token, incorporating staking, locking, and rewards functionalities. My project has specific requirements to facilitate user engagement and token utility enhancement. The following are the essential features and details needed for the project: **Smart Contract Development:** - Develop a Solana staking smart contract using the Rust programming language. - Implement dynamic staking with options for flexible lock-up periods. - Integrate governance functionalities allowing stakers to participate in protocol decisions via voting mechanisms. - Design a reward distribution system that calculates rewards based on staked token amounts and lock-up durations. **Frontend Web/App:** - Cre...

    $1441 (Avg Bid)
    $1441 Avg Bid
    54 bids

    New enterprise and need assistance with the creation and deployment of a new crypto token. Project will BE full under NDA (Non Disclosure Agreement) Our two primary goals will be fundraising and asset management. The tasks will involve: - Token creation: The ideal candidate will have significant experience creating crypto tokens and can guide me in setting up a robust and secure token system. - Smart contract deployment: This will require solid knowledge of smart contract design, coding, deployment, and testing. You need to ensure its security and efficiency. - NFT Experience with startup businesses and familiarity with using tokens for fundraising and asset management will be a big asset. Proven background in crypto token projects is a must. I look forward to your bids!

    $588 (Avg Bid)
    $588 Avg Bid
    17 bids

    Recommended Articles Just for You

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ