Ha Noi, Ha Noi, Vietnam
$15/hr · Starting at $2,500
The development of blockchain technology, which holds broad potential beyond finance. Engineers equipped with extensive knowledge and skills will handle your needs. Optimized according to the business…
New Delhi, Delhi, India
$15/hr · Starting at $50
I will write blockchain articles and website content for you Looking for an engaging piece of write up to attract your target audience? Well then maybe you are at the right place. So let me begin wit…
Jaipur, Rajasthan, India
Past Earnings
$25/hr · Starting at $3,000
As an independent blockchain developer, I bring extensive experience in delivering cutting-edge blockchain solutions globally. My expertise lies in leveraging blockchain technology to streamline day-t…
Tashkent, Toshkent, Uzbekistan
$25/hr · Starting at $25
In my free time from main job I have learned Ethereum smart contract development. At the moment I'm participating in the ICO as a smart contract developer. https://github.com/khmuminov/TokenSale
Rawalpindi, Punjab, Pakistan
$25/hr · Starting at $50
Hi There, Looking for a DApp/Smart Contract Developer, or Blockchain auditor? Look no further. I'm a Software Developer with over 3 years of experience in Blockchain Dapp Development and 5 years in We…
Seoul, Seoul-t'ukpyolsi, South Korea
$40/hr · Starting at $200
I am experienced DevOps, back-end engineer. More than 15 years of back-end applications development using PHP and NodeJs. For last 4 years, I have been concentrating on Blockchain and Cryptocurrency d…
Orlando, Florida, United States
$5/hr · Starting at $7,500
We are a full service website design and application development studio based in Orlando, FL specializing in web, app, and Blockchain development. We assist our clients both locally and around the cou…
Nagpur, Maharashtra, India
$25/hr · Starting at $500
We provide services for genuine ICO & Blockchain related projects right from Business Development to Marketing. The service includes: 1)Review of Idea an market research 2)Research on appropriate toke…
dullay wala, Punjab, Pakistan
681/yr · 92.1%
$5/hr · Starting at $25
I specialize in developing blockchain dapps and have experience with various chains, including Bitcoin, Solana, XRPL, Hedera, Ethereum, BSC, and Cosmos chains. My services include: 1. Custom DApp Feat…
Khmelnytskyi, L'vivs'ka Oblast', Ukraine
$40/hr · Starting at $25
Here is my skill: Blockchain ★ Blockchain, NFT-marketplace, NFT minting/game site ★ Web3 integration ★ Smart Contract with Solidity on Ethereum network, Rust on Solana net Fronte
Hanoi, Hanoi, Vietnam
$1,000/hr · Starting at $50,000
Proficient and skilled in developing both standalone applications and ecosystem on various chains namely Ethereum, BNB, Polygon, Solana, Aptos...with: - DeFi (Decentralized Finance) - New Cryptocurren…
Bellevue, Washington, United States
$110/hr · Starting at $5,000
We have been developing the NFT platforms for digital assets(artwork, digital land, etc) and Defi etc. Skills Set: - Solidity - ERC-20, ERC-712 - Solana, Rust - NFT (ERC-721, ERC-1155, etc), OpenS…
Lahore, Punjab, Pakistan
$8/hr · Starting at $25
I have done many projects for writing about crypto and Blockchain. And i have accomplished translations as well in this feild using my English language mastery. I am enthusiastic to write about crypto…
Yan Tai Shi, Zhejiang, China
$40/hr · Starting at $500
I am a Front-end developer who builds Well-Responsive, Pixel-Perfect, functional, beautiful, dynamic Websites. I always keep clean, tidy, easily readable, and maintainable code for delivery and this a…
Krasnodar, Krasnodar, Russian Federation
$50/hr · Starting at $150
Hello! I am new on upwork , but I have rich experience in blockchain software fields. My Skills fields 1. erc20/bep20, erc721/bep721, erc1155 smart contract etc 2. web3.js, node.js, react.js 3. integ…
Helsinki, Southern Finland, Finland
$30/hr · Starting at $5,000
I'm a developer with experience in building Smart Contract, Dapp and Bot for small and medium sized businesses. Whether you're trying to win work, list your services or even create a whole project. -
Epinay-sur-Seine, Ile-de-France, France
$20/hr · Starting at $40
I am a senior full stack mobile developer with over 5 years' experience in mobile(Android/ios) application development. I offer for you. My expertise is Android/IOS app development(Swift 4/3/2,Objecti…
Dubai, Dubai, United Arab Emirates
$25/hr · Starting at $200
A digital agency specializing in User Experience & Startup Experiences, we combine innovation with digital craftsmanship to help brands and companies fulfill their potential. We are a digital solutio…
SUBIACO, Western Australia, Australia
$30/hr · Starting at $25
Dear Client. I've checked your job posting description and I'm 100% sure that I have professional and rich experience in to work on this job ? Building, maintaining and designing Blockchain websites ?…
Chennai, Tamil Nadu, India
Block-chain development services Private block chain Permission model - Peer to peer architecture Transaction censorship- Byzantimne fault tolerance Native cryptocurrency- Public key cryptography Proo…