Blockchain Jobs

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.

I'm on the hunt for pre-built Web3 games. Further specifications of the game type were left open-ended, so any genre from collectibles, role-playing, to strategy games may be considered. Are you currently working on a Web3 Game? Did you already finish making a Web3 Game? Do you perhaps worked on a Web3 game before and own the rights? We are interested in 1. buying the code and rights 2. Or listing it on our platform This is a unique opportunity where you can sell your existing Web3 Gaming Project to us or list it on our platform. Write down the following: -Platform(s) of the game -Technologies you used to make the game -Concept and type of game (5-10 sentences) -Price estimate I'm NOT looking for someone to build a game from the start!!! You have to have an already working...

Hello. I hope you are doing well. I want to complete my project. My previous developer was unable to continue working on the project and did not share all project information. I and he had an idea for a pre-sale, but I think it's about 80% complete. The idea of completing the project is open to experienced developers, and we hope to complete the project with someone who can both design and build it. I share current version. Please confirm it. If you are interested in my project, please do not hesitate to share your ideas or advice. ( Please check out the project and include in your proposal: total budget, time, schedule for completing one. ) Thanks Timothy

I need a proficient Solidity and Web3 developer to help build a smart contract on the Ethereum network. The primary functionality of the contract is to facilitate fund transfers and sharing. Ideal Skills and Experience: - Solid experience in Ethereum smart contract development - Expertise in Solidity and libraries - Familiarity with test networks I need to create a smart contract and wallet connection using metamask. Here's an example; On this link, they only can donate using a credit card or debit card. I want to pay with eth test network (using metamask) and the smart-contract is; Person A needs 2000ETH for their project with a deadline of 30 days and share the profit 10% after 10 days of the project to reach the goal of each ETH donated by another person, Person B donat...

I am seeking a seasoned blockchain developer to help in an already built project just to clear out a few bugs, nothing special. Expertise required for this project: • Extensive knowledge and experience in blockchain technology and its applications. • Proficiency in implementing data management and security features in a blockchain system. • Knowledge in online IPFS services, particularly infura

I need immediate expert help to troubleshoot my blockchain project. There's a problem uploading PDF files to InterPlanetary File System (IPFS) specifically. To clarify, the project is already built and operates on a local server. However, the issue lies in the inability to upload documents using IPFS. I believe this requires an expert with: - Profound knowledge in Solidity - Familiarity with MetaMask - Experience in dealing with blockchain projects - Specific experience in IPFS for document uploads and validation - Ability to work quickly, as I need this resolved ASAP The task involves uploading PDF files, so adeptness with this document type is paramount. Please bid if you're confident you can solve this promptly.

I am presently encountering some issues in my blockchain project. I am specifically dealing with problems that relate to: - The validation of certificates: The current smart contract validation process doesn't seem to be working correctly. - IPFS integration: There are certain problems with the IPFS client library mode of interaction I'm using. - METAMASK connectivity: Getting connected with METAMASK has also been challenging. I'm seeking an adept blockchain developer to help me troubleshoot and resolve these issues. The perfect candidate would have extensive experience with IPFS, METAMASK, and smart contract validation. A background in debugging blockchain projects would also be highly regarded. Looking forward to productive collaborations.

I'm looking for a highly skilled developer with experience with cryptocurrency, blockchain and bot development. The main objective is to assist me in the creation of a bot focused on Initial Dex Offerings (IDO) participation on ChainGPT's Launchpad (). Key responsibilities: - Develop bot functionality for syncing with IDO countdowns - Enable rapid approval of transactions and execution of swaps on the blockchain as soon as IDOs are live Required skills and Experience: - Experience with bot development, especially within the cryptocurrency & space - Clear understanding of IDO participation mechanisms - Strong problem-solving abilities to navigate any technical challenges that may arise during development.

I'm representing a travel online agency, looking to expand our services into the web3 space through the Camino Network. We are in need of a skilled developer to assist us with the following services: - Smart Contracts Development: As we transition to the web3 environment, we need to establish secure payment transactions within our system. The ideal candidate would have experience in developing smart contracts for e-commerce, specifically within the travel industry. - System Development for Selling/Buying Travel Services: We are also looking for support in building a robust system for selling and buying travel services. This system should seamlessly integrate with the Camino Network, providing a user-friendly interface for both us and our potential partners. The successful freelance...

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I'm seeking an experienced OMNET++ specialist to develop a security simulation model for Intelligent Transport Systems. Key Qualifications: - Extensive experience with OMNET++ simulations, INET, Veins, and SUMO. - Knowledge of Machine Learning and Blockchain. A deep understanding of network analysis and protocols is also necessary. - Proficient in network modeling and event simulation. Bring your knowledge of OMNET++ to create a top-notch wireless network simulation model. This is your chance to showcase your deep understanding of the complex framework of Intelligent Transport Systems. The more detailed the model, the better!

Looking for a talented and motivated Zero-Knowledge Proofs developer to Implement a working product in a different blockchain. Please understand its a porting job to a new evm chain. If you have experience before in using zk snarks we will get along. This is not an on the job training work. Only interested in people who already done this. I am a dev, so please keep that in mind when you quote and estimate time.

I'm looking for a talented developer to create a Bitcoin HD Wallet that runs on the web. The wallet will focus specifically on Bitcoin, not multiple cryptocurrencies. Key Features: - Send and receive Bitcoin: The wallet should allow users to seamlessly send and receive Bitcoin, with a smooth and intuitive interface. - Transaction history: It's essential that the wallet maintains a clear and accessible record of all transactions made by the user. - Address book: A feature to store and manage contacts' Bitcoin addresses is also crucial. Ideal Skills: - Proficient in web development - Experience with blockchain and cryptocurrency wallet development - Knowledge of Bitcoin and its underlying technology - Familiarity with HD wallet concepts I'm looking for someone who can ...

I'm in need of a blockchain specialist to create a smart contract for my unique security token. - Specifics: Primarily, the smart contract should center around token creation. - Purpose: This token is going to be a security token, so it's crucial that the smart contract is coded to ensure it meets all the necessary regulatory and security standards. Ideal Skillset: - Extensive experience in blockchain technology - Proficiency in smart contract development - In-depth understanding of token creation - Specialization in security token development is a plus - Knowledge of relevant blockchain coding languages (e.g. Solidity)

We are currently seeking a talented Web3, Smart Contract, Solidity developer to join our team. The ideal candidate will have experience developing on the EVM chain and a strong understanding of blockchain technology. Responsibilities: Design, develop, and test smart contracts on the EVM chain Implement and deploy decentralized applications using Web3 technologies Collaborate with team members to design and implement new features Keep up to date with the latest trends and developments in the blockchain space Requirements: Proficient in Solidity programming language Experience with and other blockchain development tools Familiarity with Ethereum and other EVM-based chains Strong problem-solving skills and attention to detail Excellent communication and teamwork skills If you are passion...

I am in need of a developer with experience in deploying contracts on the Ethereum blockchain. Specifically, I want to deploy a polygon contract on Ethereum as soon as possible. example contract Key Points: - I have a high urgency requirement, the project needs to be completed ASAP.

I want a python script that will check the balance of my four wallets inj1.... (injective blockchain), cosmos1.... (cosmos blockchain), osmo1.... (osmo blockchain) and juno1.... (juno blockchain) every 5 seconds. And in case the INJ balance increases, ATOM. OSMO or JUNO, then the entire balance will be transferred fully automatically to another wallet inj1...., cosmos1...., osmo1.... and juno1.....

Job Title: Blockchain Architect for Gaming Innovation Job Description: We're seeking a talented blockchain architect to lead the creation of a pioneering blockchain network tailored for gaming. You'll design and implement smart contracts, collaborate with game developers, and optimize performance for a seamless gaming experience. Requirements: Proven experience in blockchain architecture and development. Proficiency in smart contract development (e.g., Solidity). Creative problem-solving skills and a passion for innovation. Strong communication and collaboration abilities. Gaming industry experience or a strong interest is preferred. Additional Information: Freelance position with flexible hours and remote work option. Compensation based on experience and pro...

I am seeking knowledgeable developers to construct a centralized cryptocurrency exchange with a comprehensive inclusion of Bitcoin, Ethereum, and Ripple. Key requirements for the task are: - Efficient Development: You should have a strong background in creating crypto exchanges and understand the specific mechanics involved with centralized platforms. - Advanced Trading Features: The platform needs to include extensive trading options to cater to users of all cryptocurrency trading levels. - Solid Security Measures: Given the onset of cyber threats, you'll need to harness your end-to-end cryptographic knowledge to ensure top-notch security measures. - Engaging User Interface: The ability to build an intuitive, easily navigable and engaging user interface is crucial. Proven exper...

I want sustem do 1-user connect wallet with useWallet 2-send 10 slt oken from the token address 3-money ended after confirm transaction with wallet to admin address use react and this versions "@solana/spl-token": "^0.2.0", "@solana/wallet-adapter-base": "^0.9.23", "@solana/wallet-adapter-react": "^0.15.35", "@solana/wallet-adapter-react-ui": "^0.9.35", "@solana/wallet-adapter-wallets": "^0.19.32", "@solana/": "^1.33.0", need this mall task today

I'm looking for a skilled freelancer to help me with a project related to crypto hosting and banking systems. The right candidate will be able to provide detailed project proposals, and can offer their expertise in this field. Key Responsibilities: - Analyzing systems for installation, maintenance and potential upgrades - Advising on crypto hosting and banking systems - Ability to present detailed project proposals Ideal Candidate: - Prior experience with handling and managing crypto hosting and banking systems - Strong analytical skills - Excellent communication skills to present proposals Note I am here not waste time if you don’t know about blockchain and crypto don’t border applying

program that fetches price off raydium, and auto buys at a bottom price, auto sells at a top price specified in a config file for a specific token pool also specified in config file Multiple programmars needed Irrelevant if there are already 30+ bids i still will look at new bids thanks

I'm in need of a seasoned expert in the crypto field, particularly with hosting and hardware expertise. The ideal freelancer should have a wealth of experience in the crypto space. I'm looking for someone with a deep understanding of mining setup and hardware maintenance. Your role would be setting up and maintaining crypto mining hardware for my project. Please, when submitting your proposal, include your relevant past work. I'm looking to see what you've accomplished in the field.

Need an online marketplace site where users can offer services or users can post services wanted. Users can contact gig owner before ordering but will have measures in place to avoid spam and to make sure they aren't trying to contact out of the site. Will need to place banner ads and have an option for responsiveness so the ads show in mobile devices as well or a second option for mobile ads. The buyer or winner of the gig will have a meeting with a specified maximum time as decided by the gig creator. The meeting will be online via video chat (which will need to be incorporated) or meet in person (location must be specified). All payments will be via crypto and admin getting a % of each order. Site will have a referral program which will be in the member panel with unique links...

Looking to experience NFT Marketplace Builder to customise open source script or your ready built script to our requirements. In your bid, pls reply the following 1. If you are an individual freelancer or agency. 2. Pls show your works related to NFT Marketplace and it's feature list. 3. Your experience with multi chain (ETH, BNB , SOL, AVAX, BASE), development technology / platform. More details will be provided to shortlisted bidder.

I'm looking for an individual with a solid understanding and vast experience with Spatial.io. The main objective of this role is to successfully implement interactive virtual tours on our project. Ideal skills and experience: - Mastery of - Extensive experience with interactive virtual tours - Proven track record of past successful projects similar to this Responsibilities: - Execute the integration of on our platform - Develop interactive 3D virtual tours Application requirements: - Please provide examples of past work - Detail your experience with - Submit a comprehensive project proposal. Looking forward to your applications!

The client seeks a skilled professional proficient in Cosmos SDK and Solana blockchain platforms. Responsibilities include building smart contracts, setting up blockchain nodes, and implementing security protocols for developing a decentralized application (dApp). The ideal candidate should have significant experience in Cosmos SDK, Solana, and a proven track record in dApp development, along with a strong understanding of blockchain security protocols.

I am looking for a creative and innovative Unity developer well-versed in Spatial.io. The purpose of this project remains undefined which allows you to bring something unique to the table - it could be a virtual reality experience, a 3D interactive environment, or a multiplayer game. Key Features and Functionality: - Real-time collaboration - Interactive user interface - 3D spatial mapping In your application, kindly demonstrate: - Previous experience in similar projects - Proven competency in Unity and - A brief, yet comprehensive proposal for this project showcasing your phenomenal ideas. This is your chance to exhibit your creativity by developing something unparalleled. Looking forward to your applications!

1. First code that reads token adresses from .txt or .csv file and reads if the token is found first time or it second if the first time then buys x amount of SOL or USDC (depends which one is better for you) then if the token adress was already found before then skip, search for other new token addreses in that .txt or .csv Then check current bought tokens price and if the price increased 100% sell out 50% of wallet total token holdings if the price increased 300% sell out 100% ot token, if the price from entry price went down to -90% take out 100% 2. Add function to that primary code before buying check if liquidity pool is locked and mintable then only enter if not skip and wait for new token adress Swap exchange does not matter I prefer Jupiter depends on the price and code complexity

As the visionary behind a burgeoning blockchain gaming domain, I am currently on the hunt for a skilled professional who possesses deep knowledge in SEO and marketing. With no SEO and marketing undertakings yet initiated, I am eager to establish a robust foundation for these areas. Key Responsibilities: - Elevate our website traffic. - Enhance our page's position in search engine results. - Generate potential leads and convert them into active users. Target Audience: - Casual gamers who want to venture into blockchain games. - Crypto investors looking for fresh opportunities. The ideal candidate should have substantial experience in SEO and digital marketing, with a detailed understanding of the gaming industry, especially in the blockchain space. Expertise in reaching out to ou...

I'm on the lookout for a skilled professional to help me set up my very own crypto hosting platform. This platform needs to be able to support Bitcoin transactions. Ideal skills and experiences for this project include: - Extensive experience with cryptocurrency and Bitcoin technology - Proficiency in blockchain technology - Prior experience in developing and deploying crypto hosting platforms - Strong understanding of security practices related to cryptocurrency - Ability to deliver a robust and user-friendly platform Please note, I skipped certain questions during the project creation, so your focus should be on Bitcoin specifically. Here is an article to read

Need solidity developer for contract basis .. exp 3+ needed

Please refer the attached doc file I'm looking for a skilled developer to integrate our decentralized exchange (DEX) with Defillama and a DEX screener. Your expertise in blockchain technology and these specific platforms/tools will be crucial to this project's success. Key Requirements: - Integration of our DEX with Defillama: This involves ensuring seamless data flow between our platform and Defillama, a crucial aggregator in the DeFi space. - Integration of our DEX with a DEX screener: Your task will be to embed our DEX into a DEX screener, enhancing our visibility and accessibility within the community.

I'm seeking an experienced blockchain developer to create an Ethereum based ERC-20 token, with unique features of a private pre-sale and a vesting period. Key Responsibilities: - Develop an Ethereum ERC-20 token from scratch. - Implement a private pre-sale phase for initial investors. - Set up a vesting period for token distribution to prevent immediate selling off. Ideal expertise and skills: - Extensive experience in Ethereum blockchain and ERC-20 tokens. - Familiarity with smart contract security, specifically the implementation of a private pre-sale and vesting period. - Ability to create custom functionality beyond standard ERC-20 token framework. For this project, using typical smart contract security method like OpenZeppelin or Consensys Due Diligence is not preferred. ...

Project Title: Automated Trading System for New Coins on Multiple Blockchains Project Overview: We are seeking to develop an automated trading system that enables the execution of trades for new cryptocurrencies across multiple blockchain platforms including BASE, Solana, and Binance Smart Chain (BSC). The system will facilitate automatic trade execution based on predefined parameters, manage transaction details via a MySQL queue, and communicate transaction results to a specified callback address. Key Responsibilities: System Design: Design a robust architecture that can handle trade data input, processing, and output efficiently with high reliability. API Integration: Integrate with various decentralized exchanges (DEXes) APIs to execute trades on BASE, Solana, and BSC. ...

With expertise in blockchain technology, I'm focused on creating a sophisticated staking platform that fully utilizes the power of smart contracts. I’m specifically interested in the effective management of staking pools. To achieve this: - The ideal freelancer would be proficient in the design and implementation of smart contracts that expedite transactions and agreements. - Experience in developing decentralized applications and immutable records is also key. - Demonstrated experience in creating and managing staking platforms. - Prior work with implementing procedures for staking pool management is especially advantageous. The goal is to build a reliable, automated, and efficient staking platform using smart contracts. Experience with similar past projects will be high...

a cryptocurrency exchange platform where users can deposit funds from external sources, such as other networks or bank servers, and have them automatically converted into the native currency of your platform. Once the funds are deposited, users can access them within their wallets on your platform. Essentially, your platform acts as an intermediary for converting and storing funds in various forms of cryptocurrency. Is that what you're envisioning?

I'm looking for an individual with a solid understanding and vast experience with Spatial.io. The main objective of this role is to successfully implement interactive virtual tours on our project. Ideal skills and experience: - Mastery of - Extensive experience with interactive virtual tours - Proven track record of past successful projects similar to this Responsibilities: - Execute the integration of on our platform - Develop interactive 3D virtual tours Application requirements: - Please provide examples of past work - Detail your experience with - Submit a comprehensive project proposal. Looking forward to your applications!

Sure, here's a draft for your job description: --- Title: Cryptocurrency Platform Developer Description: We are seeking a talented and experienced developer to join our team and help build a cutting-edge cryptocurrency platform. As a Cryptocurrency Platform Developer, you will be responsible for designing, developing, and maintaining our platform, which allows users to seamlessly receive, convert, and manage various cryptocurrencies. Responsibilities: - Design and implement secure and scalable systems for handling cryptocurrency transactions. - Integrate with external networks and APIs to facilitate seamless fund transfers. - Develop algorithms for automatic currency conversion and deposit crediting. - Ensure compliance with relevant regulations and security best practices. - Coll...

We are looking for a skilled blockchain developer with a strong background in creating Maximum Extractable Value (MEV) bots. The ideal candidate will have hands-on experience in developing efficient and fast MEV bots to capitalize on blockchain opportunities, including strategies such as frontrunning, arbitrage, sandwiching, and flash loans. Responsibilities: -Design and develop a high-performance MEV bot capable of executing complex trading strategies on blockchain networks. -Implement algorithms and logic for frontrunning, arbitrage, sandwiching, and flash loans to maximize profitability. -Integrate risk management mechanisms to evaluate and mitigate potential downsides of transactions. -Optimize bot performance for speed, reliability, and scalability to handle high transaction volumes...

I'm looking for a skilled developer to create a web-based crypto wallet connector Process as follow, 1. user will use Apply pay/Google Pay or Credit Card 2. user will enter amount and choose option from where they are paying 3. connector will purchase USDT or any other Crypto and deposit to my wallet.

I currently have a working script using the 0x protocol. I frequently get out of gas error messages. I could have 50$ or 3$of ETH in my wallet when this happens so it is not a lack of funds. I believe this is an issue with the script not allocating enough gas. Here is an example of 2 of the TX that failed on Tenderly I need the following: 1. I need someone to fix the OUT of GAS ISSUE AND use the highest amount of GWEI so the TX is processed as fast as possible. 2. ON one of the last lines, the amount of GAS is output. I would like to out ut the TX fee in ETH if possible. PLEASE, I am looking for someone who is skilled in Blockchain This will be quick fix for that person and shouldnt cost alot..... Ideal Candidate Skills and Experience: - Significant expertise in blockc...

I am seeking a developer to create a tool that can calculate the profit and loss (PnL) for any given Ethereum wallet address. The tool should be able to determine the total number of coins bought, as well as calculate the profit and loss from all transactions associated with the wallet. Key Features: Wallet Address Input: Users should be able to input any Ethereum wallet address. Transaction Analysis: The tool should analyze all transactions associated with the provided wallet address. Profit and Loss Calculation: Calculate the total number of coins bought and the profit and loss incurred from all transactions. User-Friendly Interface: The tool should have a user-friendly interface for ease of use. Skills Required: Proficiency in Ethereum blockchain technology. Experience in cryptocurre...

I'm in need of a skilled developer who can create a custom module for the Cosmos SDK. This module will be focused on token creation. As I've never worked with the Cosmos SDK before, I require someone who is not only familiar with it but also has a strong grasp of blockchain development and tokenomics. Key Requirements: - Development of a custom module for the Cosmos SDK - Focus on token creation - Expertise in Cosmos SDK and blockchain development The successful candidate will need to be able to understand the project requirements, propose solutions, and implement them effectively. Strong communication skills are essential, as is the ability to work independently and proactively. A proven track record in blockchain development and previous experience with the Cosmos SDK are hig...

I have an existing Python script utilizing the Jupiter API to buy Solana coins. However, the script is currently encountering issues in the purchasing process. I'm in need of a professional who can work on the following tasks: - **Debugging**: The current script needs debugging to resolve the issues preventing successful purchases and sell of Solana coins. - **Optimization**: I'm also looking for the script to be optimized for faster execution, particularly in the buying and selling process. I aim for the transactions to be conducted swiftly and efficiently. The ideal freelancer for this project should have: - Proficiency in Python programming - Experience with API integration, particularly with cryptocurrency exchanges - A strong debugging skill set - An understanding of and e...

Token on solana Name : Make America Great Again Symbol: $Maga Supply : 1 billion Decimals : 9 Tax : 3% buy tax and 3% sell tax(3% to lp and 3% to marketing wallet) *Noone can hold more than 6.7%* (like a supply block) Marketing wallet : GQ5ZVUtoUeLvfAMmUxwMrSNnXacDYSwEZW2abJk2DKcW

As I venture into the cryptocurrency market, I am in need of a Node.js script that allows efficient Solana trades using the Jup V6 API. Key Requirements: - Build a Node.js script that can accurately execute market orders. - Indispensable ability to interact with the Jup V6 API specific to Solana token transactions. - Configure the script to be used with an existing wallet address of mine. Ideal freelancers for this project would have: - Strong proficiency in Node.js, ideally with prior experience in building scripts for cryptocurrency trades. - Familiarity with the Jup V6 API and its various functionalities, especially in relation to market orders. - Solid understanding of the Solana cryptocurrency token. By helping me to automate my Solana trading activities, you'...

Need an app from where user can trade crypto trading on almost 500+ coins/tokens and Also can trade Stock market, forex market etc.

I'm seeking a skilled blockchain developer to design a decentralized finance application, primarily being a cryptocurrency exchange. While particular functionalities were not indicated, let's make sure the platform includes common features such as Buying/Selling Cryptocurrencies, Secure Wallets for Storage, and Real-Time Pricing Tracker. The ideal candidate will have significant experience in creating such platforms, an understanding of blockchain and DeFi, and a commitment to secure, seamless user experiences.

I'm seeking an experienced freelancer to construct a swap program on the Polygon blockchain using Python. The core feature is: - Token Swapping MATIC/ABC token on Uniswap - Use Uniswap Universal Router suppoting V3 version. - Buy(purchasing abc with matic), sell (matic with abc). The code is to check the balances of matic and abc token in metamask's personal wallet before and after buy (or sell). - Monitored and recorded on polygon scanner after the action. - GUI, no site required. Only python code. - Python version should be , Web3 version is recommended as 5.29.0. I'm in need of a developer who is proficient in Polygon blockchain technology, Python programming, and who is well-versed in cryptocurrency transactions. The ideal candidate would have prior experienc...