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Crypto Memecoin developer

$20.00-$30.00 United States

I need someone to create a smart contract and develop a crypto meme coin.

Full Stack Development

skills: Cryptocurrency

05/11 12:10 UTC 7E01c0f1668589f5fad3

Create an NFT dApp with qr code systems in place DM me for more info

$15.00-$100.00 Australia

Create two types of NFTs: One base NFT and several modifier NFTs.Airdrop base NFTs: Distribute one base NFT to each existing holder's address. This will be identical for everyone initially.Develop a dApp: This dApp should generate a unique QR code for each base NFT holder, which they can share with others to mint their own base NFTs. This is the only way new users can obtain a base NFT after the initial airdrop.Implement a referral system: When someone uses your unique QR code to claim their own NFT with a different address, you receive a random modifier NFT. These modifier NFTs add attributes to the base NFT, similar to the BAYC serum mechanism.Level up system: Users can only apply a modifier if it improves the rarity of their base NFT attributes, similar to levelling up in an RPG.Seasonal or Event-based Modifiers: These can be created to keep the system engaging and evergreen. Certain rewards can be given to the first x number of users to reach x referrals.Partnerships and Collaborations: Unique QR codes can be created by the team and placed in select locations for users to find and claim modifier NFTs. These can also be integrated with real-world or digital partners for promotional events.For instance, a partnership with Burger King could provide users with a discount, an NFT, and drive significant footfall to the restaurant.Incentivize QR Sharing: The system is designed to motivate users to share their QR codes both online and in real life, thus expanding the user base and engagement.Possible Simplification: If necessary, the referral system could be removed, focusing only on team-created QR codes for a cost-effective solution.

Full Stack Development

skills: NFT Metadata, NFT Collection Generation, NFT, Blockchain Development, Blockchain, NFT & Cryptocurrency, Blockchain Development Framework, Cryptography

05/11 12:05 UTC 7E01ced33a866f73ec7f

Build custom reader

$15.00-$32.00 United States

Mt tasks is simple. A crypto site is keeping my money and I need tonger in and out quickly Will verify proof of ownership

Full Stack Development

skills: HTML, JavaScript, Android, CSS, PHP, Java

05/11 11:54 UTC 7E01ed39ad8b35fd0e92

Create a smart contract

$15.00-$32.00 United States

I am looking for a skilled developer to create a smart contract for token issuance using the ERC-20 standard on the Binance Smart Chain.You can copy this smart contract - https://bscscan.com/token/0x0decf94c4549a3e3e1b444bb9c229cc1846b2f74#codeThen test it and make sure when token is bought and sold, the owner gets the tax in BNB not in tokens. This contract already does that, but I want to make sure your contract will also do this.Token name - Pepe Super GrowSYmbol - PEPEGDecimals - 18TOTal supply - 10 BillionIf you are busy with other projects please ignore this. If you are ready then we can start now. I need this today

Full Stack Development

skills: Blockchain, Smart Contract, Ethereum, Cryptocurrency, Solidity

05/11 11:03 UTC 7E01582958c04bfc3848

Looking to build Decentralized Exchange

$45.00-$69.00 India

Looking to build Decentralized Exchanges into the AMMs, need any Blockchain development company to do this project

Full Stack Development

skills: Blockchain, Ethereum, Cryptocurrency, Web Development, Azure Blockchain Service, Node.js

05/11 09:11 UTC 7E014acbc17699cd9391

Crypto margin exchange like upbit

$32.00-$49.00 Armenia

Hello, thank you for your interest in my project. I want to develop a margin trading enabled cryptocurrency exchange that has a design similar to the Korean exchange "upbit.com". Additionally, the exchange should use KRW instead of USD.The following is the layout of the exchange:- Exchange layout : Main page, Exchange, Deposit/Withdrawal, Investment history, Customer center, LoginThe main page should be developed with a similar layout as Upbit.- Spot trading layout : Chart, Order Book, Trades, Coin list, Order Window (Market Buy/Sell, Limit Buy/Sell, Fees), Execution history.- Margin trading layout : Chart, Order Book, Trades, Coin list, Order Window (Cross - Market/Limit, Isolated - Market/Limit/Leverage, Fees), Execution history.- Deposit and Withdrawal : Refer to the Deposit and Withdrawal screenshot.- Investment History : Refer to the Investment History screenshot.- Customer center : Refer to the Customer Center screenshot.- Login : Find ID, Reset Password.- Sign up : Refer to the Sign up screenshot.The following is the list of exchange features- Margin trading feature : The chart should display my positions. Margin should be adjustable and there should be a forced liquidation feature. Detailed information should be displayed in the execution history.1. Order management system (OMS) : for handling order processing and managing the order book for derivative products.2. Matching engine : responsible for matching buy and sell orders and executing trades in real-time.3. Risk management system : for calculating and managing the risk of derivative products, including margin requirements, collateral management, and position limits.4. Settlement and clearing : for handling the settlement and clearing of trades, including the movement of funds and assets between counterparties.5. Reporting and analytics : for providing reporting and analytics tools to help traders and risk managers monitor and analyze their positions and performance.6. User interface : for providing traders with a user-friendly interface to access the exchange, view market data, and place orders.7. API and connectivity : for providing APIs and connectivity options to enable third-party applications and traders to access the exchange's functionality and data.8. Spot trading feature: Detailed information should be displayed in the execution history.- Swap feature : Fast trading function is required.- Referral functionality :% on the difference between deposit and withdrawal. ex) Assuming the referral fee is 1%, if a user deposits $1000 and withdraws $400, the referring user (distributor) receives 1% profit on the difference between the deposit and withdrawal ($600), i.e. $6 profit.on transaction fees. ex) Assuming the basic trading fee for spot trading is 2%, and the referral fee for trading fee is 2%, if you buy/sell $1000, the basic fee (exchange manager revenue) is $20, and the referring user (distributor) earns $0.4.If you make x100 margin trades, the commission is 2% of $100,000. The commission rate should be adjustable from the admin page.- I need an admin page.- Develop a volume bot (upbit API) : The volume bot should be used to fetch the market price using the upbit API. The volume bot should also continue to work to increase the volume, and the amount of volume should be adjustable from the admin page.- Deposit/Withdrawal feature: I'm thinking that the admin should be able to provide the account number when the customer asks for it in the customer center.- Charts: We should use the upbit API to import upbit charts as they are.- Localization feature: should be localizable to EnglishBelow is a list of features for the admin page of the exchange.- Dashboard- User page- Coins- Admin page- Deposit/Withdrawal admin page- Settings- Landing settings: You should be able to add, edit, and delete banners, images, and posts on your exchange.

Full Stack Development

skills: Python, Blockchain, Cryptocurrency, PHP, Crypto Exchange Platform

05/11 01:52 UTC 7E01fd42d9dfc5951fb8

Need Someone to Develop Crypto Frontrun Bot

$15.00-$32.00 United States

We are looking for a team who can help develop a crypto frontrun bot. More details will be given upon interview.

Full Stack Development

skills: Bot Development, Cryptocurrency, Blockchain, JavaScript, C++, Java, API, Node.js

05/10 10:11 UTC 7E011964da197aaf2ce3

Development of Web-3 NFT app

$25.00-$49.00 Canada

Hi, we are an NFT app company where we are developing an NFT marketplace. To ramp-up production, we are seeking assistance from the Upwork contractor.Much of the platform has already been built, we will need assistance in scaling its completion.At a high level, the contractor must be fluent in coding various web-3 languages, UI/UX implementation, application development on both the front and back-end respects. The finer details will be discussed during the conversation.The details of what the application is, what has been achieved and what is to be achieved will be outlined in the conversation.The product must be completed in a very short time-span with a delivery date not to exceed 1 month post project awardance.Full-time hiring opportunity might be available post successful delivery.

Full Stack Development

skills: JavaScript, API Integration, MySQL, React, Node.js, Java, PHP, Web Application, Web Development, Blockchain, NFT & Cryptocurrency, NFT Marketplace, Cryptocurrency, Layer 2 Blockchain, Ecommerce

05/10 09:54 UTC 7E0109dc6177628307cc

Crypto

$15.00-$32.00 Switzerland

Need someome to help me buy and trade crypto .      

Full Stack Development

skills: Cryptocurrency, Cryptography, Ethereum, Blockchain, Bitcoin, API, Content Writing, Blockchain Architecture, Python

05/10 08:50 UTC 7E01475efbdbf3bb0455

I have a custom indicator, I am looking for a dashboard to screen across a number of Crypto coins

$15.00-$50.00 Ireland

Hi,I have a custom Tradingview indicator, I am looking for a central page (can be a web page or a document) for personal use, where once a day my indicator is run across a large number of coins and updates me of any coins that meet the BUY or SELL condition of the custom indicator.Thank you,Jay.

Full Stack Development

skills: API Integration, Web Application, Python, API

05/10 08:30 UTC 7E01ea307f91cd767b40

DEX aggregation algorithm for split transactions

$33.00-$68.00 United Arab Emirates

Development of algorithm that will aggregate different dexes and calculate the best route for swaps taking into account gas fees.Something similar to already existing dex aggregators as 1inch, 0x, Openocean and others. We can develop it together, or you can just create the concept and maths that will be implemented in our code.

Scripting & Automation

skills: Blockchain Architecture, Algorithm Development, Crypto Exchange Platform, Decentralized Exchange

05/10 02:46 UTC 7E01201d97fdb5050fa0

Senior centralized blockchain developer

$1,500 United Arab Emirates

Ready carefullyWe are seeking a qualified and experienced freelancer or agency to receive a centralized cryptocurrency trading solution from a third-party company. The ideal candidate MUST have a strong background in Kubernetes and a deep understanding and experience in blockchain apis , and cryptocurrency platform trading.Main objective summary:The main objective of this job is to ensure that we have received the real source code for the cryptocurrency trading solution and that it is functioning correctly.To accomplish this, the freelancer or agency will be required to upload/deploy  the work locally and confirm that it is working  100% as the live server that is currently working. Please note that we are connected to OKX.com as a liquidty provider and our deposits trades are happening there To make this jobs easier as well for you , we have already nstalled esxi at our local machine”Server” and dont 90% of the work You just need to finish the deployment , and confirm that we have full source code Responsibilities:1--Complete and finish the deployment at our local machine , trades must be working 100% ( we have already done 90% oof this task )2-complete our current documentation for this solution reg by co-operating and chat with our 3rd party company who developed this solution  to understand everything related to this solution 3-co-operate with our third party check thaat all functions are working proprely and that we have everything as our contract FAQS1-we dont want you to develop this solution , we have already finished deployment with this company  we just want you to do as mentioned above 2-WE WILL NOT SHARE THE SOURCE CODE UNDER ANY CONDITIONS , you will connect to our locl machine using team viewer , and team viewer only .3-IF you want to negotiate the price , dont apply 4-there is a possibily of hiring for monthly base in case developer is experienced and can do maintenance .5-you will be speaking with our 3rd party company to understand the solution , this will help you alot .6-we need you to be online from monday till friday and this job is for 1 week only !

Back-End Development

skills: Blockchain Architecture, Blockchain, Crypto Exchange Platform, Crypto Wallet, Crypto Wallet Development, Cryptocurrency, Blockchain Development, Blockchain Platform, Ethereum, Smart Contract

05/10 12:53 UTC 7E018f43dffe80852911

Build an Automated Crypto Exchange Arbitrage Trading System

$25.00-$47.00 United States

We seek a conscientious developer to build a comprehensive, secure, and scalable automated Crypto Exchange Arbitrage System that executes successful trade strategies based on the differences between cryptocurrency prices at different DeFi exchanges or DEXes (i.e. smart contracts). Stark Technology: C#/ASP.NET Core, Docker, AWS, PostgreSQL, TimescaleDB, NATS Desired Features:1) 10,000 / sec or greater Transactions throughput capacity2) Integration by API any E-wallet and PSP. Hundreds and even thousands, of coins and tokens can be enabled. 3) Multiple sources for connection with System to offer the best liquidity solution and spot exchanges with the highest liquidity and best reliability in the market.4) An interactive Administrative Panel for managing investors, affiliates, documents and cashflow, and one that generates reports on all exchange transactions. 5) KYC Module. API integration with any external KYC provider. (IdentityMind, iSignthis, etc...). 6)  Robust security with a 3-level system of Cold, Warm and Hot wallets; 2FA for users; and DDoS mitigation. Anti-throttling system, Arbitrage protection, Anti-spoofing. 7) Ability to execute Limit orders, Fill-or-Kill & Immediate-or-Cancel Market orders, and Stop orders.8) Create a Discord Platform for secure messaging with and between investors and administrators

Full Stack Development

skills: API Integration, Database Development, Web Application

02/19 10:41 UTC 7E012ad9e3e04b464fc2

Fantom Defi project

$25.00-$40.00 United States

Fantom create defi platform. nft platform. buy fantom. crypto coin. staking.  etc. Fantom transactions. metamask integration.

Full Stack Development

skills: Golang, JavaScript, Ethereum, Cryptocurrency

02/19 10:18 UTC 7E01acc17cb18b5f18cb

Talented web3 developer needed with experience in dex trading tools

$1,500 India

I need help from a talented expert in developing tools to help me trade with an edge in decentralised crypto exchanges.I am a dex trader and often feel left out by the tech employed by others. I would like to gain an edge. There are specific tools that I have seen and I would like one developed for me.

Full Stack Development

skills: JavaScript, Python, CSS, PHP, Node.js, API Integration

02/19 05:32 UTC 7E01e74eeab22a6e98a1

Crypto Exchange Development

$15.00-$30.00 Canada

user paneladmin panelwebsite-reactmobile app- react nativeour native token utility is in EOS ( P2P)nodemongo dbforex ( 6 currencies)ngnixdockermysqlserver installationcode deploymentdata migrationsecurity expertwe have apisNote- tight budget and timelines

Full Stack Development

skills: Solidity, Laravel, Blockchain Development, PHP, Node.js, DApps, Blockchain Architecture, Blockchain, Rust, Distributed Ledger Technology, Cryptography, Non-Fungible Token, React, Forex Trading, Crypto Exchange Platform, Smart Contract, API

07/13 12:35 UTC 7E01f1a074fb967a9fb2

Back End Developer - NodeJS or Golang (Blockchain integration ++)

$20.00-$40.00 United States

* I do 4 hours for the first week as trial and then, if you deliver well increase to the limits of our budget** Don't be deterred by my average hourly rate. I have various types of freelancers (e.g. think email handling and data entry)THE PROJECT:We are currently bootstrapped and looking for product market fit. This means there will be a variety of work available and usually new features. The overall product is meant to bring people together, like MeetUps for the crypto space.YOUR REQUIREMENTS:       5-7 years of full stack development       NodeJS api applications      Javascript       SDK’s       Web Services       Unit testing       REST Services       Components       NodeJS or Golang       PostgresSQL       API development       Cloud ArchitecturesStrong Javascript fundamentals, solid OOP and web application development skills using Node or Golang in an enterprise environment.Prepares specifications, designs, develops and supports web app development following the industry’s best practices.Assess and optimize designs through review, evaluation tools and analysis to ensure mobile friendly versions for smartphones and tablets.Perform unit testing for a variety of web devices including smart phones, tablets, and laptops. Implement web applications, maintain operational status of apps and websites and resolve and troubleshoot technical problems.Will prepare documentation for new subsystems and maintain standards and metadata.Knowledge of multiple web languages and ability to ramp up on new languages quickly is a strong plus.Experience with multiple mobile SDK's and comfortable working across platforms.Ability to develop compelling user experiences in a web environment is key.Components include graphs and charts of financial data.Integrations and queries will include various blockchains.ACTION:If you have at least read the list section above, and it sounds like you, please apply or send me any questions you have.TERM:Ongoing if you prove yourself. You can expect to work for me, for at least a year.Initially, this is a results based price. You will be given clear deliverables and be reviewed by senior web developers, that once approved will give the thumbs up on whether you get paid or not.If they have to hold your hand or you clearly don't know what you are doing, don't apply. If your code is sloppy or you can't shift between code standards, it won't be worth your time.REQUIREMENTS TO GET PAID:* App must resemble Acceptance Criteria in our Jira ticket* App must integrate with blockchain or scanner APIs* App must filter data from response objects, then package data into easy to understand and use results to the front end. No greater than 3 layers deep (2 nestings)* App must function on browser* API takes in blockchain data, filters, then sends it to the front end* Front-end takes the data filters and displays it onto the graph and the one of the tables

Back-End Development

skills: PostgreSQL, Node.js, API, API Integration, Web Application, RESTful API, Heroku, Sequelize

07/13 11:43 UTC 7E0153ba1a3f92dab0e2

Blockchain developer to build DEX + NFT marketplace + DAO on ETH layer 2

$5,000 Panama

​I am building a crypto development team in order to build multiple crypto projects. I am looking to interview and hire 2 back end developers as well as 2 front end developers. and ADD THEM TO MY TEAM.​We will build exclusively on ETHEREUM LAYER TWO. we are going to be using SOLIDITY, PYTHON AND CAIRO to build our applications.  we are going to be working and building DEXs SIMILAR to uniswap, sushiswap, immutableX,, myswap.xyz, etc AND making upgrades to their features to make amazing products that have product market fit. ​we are going to go in the direction of ethereum layer two and zk rollups. ZK rollups are the premier tech that is being used to scale ethereum and all of crypto​payment:Part of the payment will be in project tokens and THIS IS NOT NEGOTIABLE AND IS NECESSARY TO BUILD A GOOD TEAM THAT CARES ABOUT THE PROJECT.​I AM NOT LOOKING FOR FREELANCERS that build an ordinary projects and ordinary marketplace and then just call it quits.​I AM NOT LOOKING for devs that ONLY want to get paid in USD and don't accept project tokens as payment BECAUSE I HAVE DONE THAT IN THE PAST AND IT DOESN'T WORK FOR ME..  ​i am looking for developers that want to join my team and be rich using my ideas and my coaching and guidance as an arquitect. I will guide you and tell you what to build and what technology stack to use. I will compensate you both in regular payment as well as project tokens. ​we are going to work together and build a great team, a team that can build crypto projects together and create amazing projects that will make everyone wealthy.JOIN MY TELEGRAM PROJECT DEVELOPMENT GROUPhttps://t.me/+uCaIos5Xg1ZlOGY5​whatsapp: +1 305 927 5785​CONTACT/CALL ME​1st project :​quantumX  Cairo based EVM equivalent distributed AMM​QuantumX is an EMV equivalent dAMM. shares liquidity across layers to solve liquidity fragmentation problem. enables ZK-based L2s to asynchronously share liquidity. enables token as well as NFT trading on L2.​2nd project​NFT marketplace on ETH layer 2​3rd project​Education DAO: teaching web3, AI and robotics to kids​fully crypto, fully web3JOIN MY TELEGRAM PROJECT DEVELOPMENT GROUPhttps://t.me/+uCaIos5Xg1ZlOGY5​whatsapp: 305 927 5785CONTACT ME​

Full Stack Development

skills: Database Design, Database Architecture, Browser Extension, API Integration, JavaScript, Blockchain, Python, API, React, Blockchain Development, Ethereum Platform, Blockchain Architecture

04/14 01:16 UTC 7E016472b3f9e9c93699

Blockchain Game Developer for Online Poker website

$20.00-$45.00 United Arab Emirates


Hi, im looking for an experienced blockchain game developer to make an website where users can play online poker cash games/tournaments with crypto.

Full Stack Development

skills: Web Development

03/31 09:07 UTC 7E01b859dfa5292c2d95

Looking for full stack developer

$5,000 United States


I am looking for full stack developer.I am going to build the NFT marketplace  such as Opensea.I am building my project but I have many problems. I need expertise  developer who help me.

Full Stack Development

skills: Blockchain, Node.js, Smart Contract, Cryptography, Ethereum Platform

03/30 01:47 UTC 7E01fe21f754b63118c7