Pune, Maharashtra, India
$5/hr · Starting at $25
I am currently doing research in blockchain technology and related terms. I am having knowledge in Solidity programming(Language for building Ethereum Smart Contracts). I am also good at python progra…
Hong Kong, Hong Kong, Hong Kong
$40/hr · Starting at $500
Reliable and 100% dedicated to high quality and timely delivery. I've built plenty of dApps ranging from fully functional ICOs with crowdsale contracts. Really interested in blockchain technology.
Kiev, Kyyivs'ka Oblast', Ukraine
$35/hr · Starting at $280
We develop custom blockchain solutions and smart contracts for all types of clients, from enterprises to startups. We have experience in all stages of blockchain development including the core, the se…
Coimbatore, Tamil Nadu, India
$30/hr · Starting at $100
Blockchain writer and Subject Matter Expert with in-depth research on Dapps, Cryptocurrency, ICO and Smart contracts. - Drafting Blockchain whitepapers and Use cases for various industries - Blockchai…
Karachi, Sindh, Pakistan
$40/hr · Starting at $200
- An innovative and battle-hardened Ethereum & Hyperledger Fabric Blockchain Engineer? with invaluable experience gained over the years. - 2+ years experience writing smart contracts in Solidity langu…
We provide development and audit of smart contracts on Ethereum platform. The smart contracts can range from a token contract, an ICO to a customized contract for a decentralized application.
Seoul, Seoul-t'ukpyolsi, South Korea
ID Verified
$30/hr · Starting at $500
Senior Backend & Blockchain Engineer | 10+ Years Experience | Upwork Top Rated Plus Project Stabilization Specialist – Revived stalled or non-operational projects (e.g., Wildfireart), delivering produ…
Indore, Madhya Pradesh, India
$14/hr · Starting at $25
BitPesa is a digital foreign exchange and payment platform that leverages blockchain settlement to significantly lower the cost and increase the speed of business payments. User can sign up for either…
Pimpri-Chinchwad, Maharashtra, India
$20/hr · Starting at $25
Senior Blockchain Engineer @ Accenture. 4 Years of experience in Software Development. Hands on experience on Ethereum, Hyperledger Fabric, Solidity. Javascript, Node.js, Truffle, GraphQL, Docker.. Wo…
New Delhi, Delhi, India
$50/hr · Starting at $5,000
We have hands-on experience in building Private, Permissioned or Public Blockchain solutions using Ethereum, HyperLedger Fabric, Sawtooth, EOS, TRON, and Corda. We work with blockchain startups at va…
Newark, New Jersey, United States
$100/hr · Starting at $100
Currently interested in challenging and ambitious projects related to Blockchain / Distributed Ledger Technologies Skills & Technicals Expertise: - Blockchain / Ethereum / Smart Contracts / Solidity /…
Lahore, Punjab, Pakistan
$8/hr · Starting at $25
i am a passionate computer programmer. expert in my field have done a lot of cool project. spend a lot of time with programming and relevant subjects. computer science is my passion, hobby and interes…
WOKING, Surrey, United Kingdom
$15/hr · Starting at $25
I am a blockchain developer with 8+ experience & end to end solution provider for Blockchain. we have been successfully implemented that in retail, real estate, healthcare, fleet & transportation indu…
Ringoes, New Jersey, United States
$50/hr · Starting at $25
I have a very good understanding of Blockchain technology as well as an ability to construct a proof-of-concept Blockchain with several nodes to prove two key characteristics of "distributed" and "imm…
Ahmedabad, Gujarat, India
I have experienced of developing blockchain application in ethereum and hyperledger framework. I also write smart contract for ICO and DApps using solidity.
Beograd, Serbia, Serbia
$70/hr · Starting at $2,000
Designing and developing end-to-end solutions leveraging blockchain technology (public or private) including desktop, web or mobile apps.
Dusseldorf, Nordrhein-Westfalen, Germany
c-language, block producer setups, dApp decentral application, interchain api communication, open-source operation system development, script, smart contract platform,
Montego Bay, Saint James, Jamaica
$20/hr · Starting at $100
Hello Welcome, I am a full-stack web developer and smart contract enthusiast. If you have a project that you want to get started / completed. Best Regards, Reco Daley
Sankt-Peterburg, Saint Petersburg City, Russian Federation
$25/hr · Starting at $1,000
We design, develop and introduce the latest IT solutions, based on complete understanding of your business goals. For more than 4 years we have been automating business and developing complex web appl…
Delhi, Delhi, India
$25/hr · Starting at $25
Hi, I am blockchain lead at one of leading blockchain startups in India looking to make a big impact in blockchain technology. I am starting with freelance work. I have mostly worked on Ethereum Block…