Poznan, Greater Poland Voivodeship, Poland
4,033/yr · 100%
$30/hr · Starting at $50
Develop chatting application using openAI API, RAG, Langchain, Pinecone, LLM as AI technologies and React and Next.js as frontend and Node.js/Express.js and Python as backend. Experienced in Angular,
Kolhapur, Maharashtra, India
$20/hr · Starting at $400
As a self-employed, reliable, and highly experienced Freelancer with expertise in Blockchain Development, dApps Development, Mobile Application Development with this in mind, We invite you to consider…
Kyiv, Kiev, Ukraine
ID Verified
$30/hr · Starting at $1,500
Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liqui…
Madrid, Madrid, Spain
$25/hr · Starting at $50
I have 10 years experience in Android/Web Development and Algorithm Research. First priority is Credit Perfect results within the Deadline Original Ideas and Fiery Passion As a Senior Developer
Gurgaon, Haryana, India
Past Earnings
$45/hr · Starting at $750
Cryptocurrency and blockchain solutions are revolutionizing how industries operate. Rayrise Technologies is fully on board with this revolution and has a team of experienced developers with in-depth k…
Chandigarh, Chandigarh, India
$60/hr · Starting at $2,500
Hi there, ***Blockchain(NFTs, DeFi, DApps, DAOs, IDOs, ICOs) and Cryptocurrency development is our forte***. ***These are our Upwork Statistics:*** $600k+ Revenue generated on Upwork 39250 Total…
Pasadena, Texas, United States
$40/hr · Starting at $1,000
Hello, Nice to meet you. ✨I have vast experience Web3|blockchain Development including Solidity and Rust smart contract development and Web3 Frontend integration. ✨I worked as a smart contract and web…
coimbatore, Tamil Nadu, India
$5/hr · Starting at $25
Smart Contract Mobile Application Development-VI Software Solutions MLM Mobile Apps-Android & Iphone Overgrown Smartphone usage of general public enforces MLM firms to shift perspective towards MLM
Visakhapatnam, Andhra Pradesh, India
$15/hr · Starting at $200
Are you excited about fusing the power of smart contracts with modern web applications? I specialize in guiding you through the process of seamlessly integrating Ethereum smart contracts into your Rea…
Bhakkar, Punjab, Pakistan
1,500/yr · 100%
$10/hr · Starting at $100
I am an expert in Blockchain Development, offering robust solutions for decentralized applications (dApps), smart contracts, and blockchain-based systems. With hands-on experience in Ethereum, Solidit…
Jhenaidah, Khulna, Bangladesh
$25/hr · Starting at $500
Welcome to this cryptocurrency/blockchain GIG related to the nft minting website with nft minting dApps. I can help you to create your custom smart contract, minting dapp, nft marketplace, nft dapp, s…
Sebring, Florida, United States
$25/hr · Starting at $25
Hi, I am a senior full-stack developer who has rich experience in web, mobile, desktop software as well as blockchain smart contract. For 7+ years, I have been working with JS and PHP frameworks as we…
Delhi, Delhi, India
$50/hr · Starting at $3,000
Cryptocurrency wallet development in a customized manner helps one to hold on to their cryptocurrencies securely. Most of the time people prefer hardware wallet instead of software wallet since it wil…
Los Angeles, California, United States
$70/hr · Starting at $1,000
I have experiences in web developing with mobile friendly for more than 5 years. - Blockchain, Crytocurrency, Exhcnage, TradingView integration, Coin Fork1. And I can work for Defi projects and NFT p…
Lagos, Lagos, Nigeria
$150/hr · Starting at $1,000
I integrate blockchain functionality into web applications, focusing on secure backend connections and user experience. This service includes: Smart contract interaction Wallet connectivity Backend in…
Sahibzada Ajit Singh Nagar, Punjab, India
$25/hr · Starting at $10,000
We provide Unmatchable services as a Blockchain App Development Company. We offer expert Blockchain consulting services to diverse business verticals and help get maximum benefits of the Blockchain te…
Lutsk, Volyns'ka Oblast', Ukraine
We are a team of developers with strong coding style, who like to contribute ideas, pay attention to fine details, can work fast and smart under tighter deadlines and always test our work before submi…
Halle, Flemish Region, Belgium
$50/hr · Starting at $500
Building scalable, high performance web application using modern javascript frameworks such as React - React/Redux - Ruby on Rails - GraphQL, Apollo, Mobx - Webpack, Gulp, Grunt, Babel - Bootstrap(3.x…
Singapore, Singapore, Singapore
$15/hr · Starting at $40
As a blockchain and web developer, I have 6+ years of a more experience with Blockchain, Python, Full-stack development, PHP, responsive web design, dynamic web design with the database, etc all are
Isla, Veracruz-Llave, Mexico
$40/hr · Starting at $500
I am a Core blockchain developer (3 Yrs Exp.) , mostly responsible for developing the architecture of a blockchain system, how its protocols should be designed, the design of consensus protocol and ot…