Islamabad, Islamabad, Pakistan
$15/hr · Starting at $50
Hi, I’m Blockchain Developer & Auditor in Solidity currently working as a freelancer on Upwork. I will create and review smart contracts, blockchain infrastructure code, and decentralized applications…
Bandung, Jawa Barat, Indonesia
$20/hr · Starting at $25
1. Flutter Mobile App Development with or without Backend Development 2. DApps/Web 3.0 Development, multi-chain development, Decentralised Application is an application that can operate autonomously,
Kolkata, West Bengal, India
ID Verified
$25/hr · Starting at $1,000
SPECIALTIES - Smart Contract Creation. - NFT-based marketplace. - NFT-based gaming platform. - Dapps. - Private Blockchain Development. - ICO Development. - Decentralized Exchanges. - Blockcha…
Krasnodar, Krasnodar, Russian Federation
$35/hr · Starting at $30
Senior Blockchain Developer of +5 years of proven experience in various of challenging projects in cryptocurrency aspect . Creative & Effective smart contracts I Smart & attractive dapp Expert of c…
ifo, Ogun, Nigeria
$10/hr · Starting at $30
Are you looking for someone with experience in blockchain development, and digital marketing? Who will lead your company to new heights? Then you've found the appropriate profile. I've been working i…
Munchen, Bayern, Germany
$60/hr · Starting at $300
I will help you enjoying launch of meme tokens on use various trading bots on a single website. https://valmira.xyz?amb=7EK4AS6G We’re pumped to roll out Valmira, a clean, no-BS way to grow your token…
Shenzhen, Guangdong, China
$35/hr · Starting at $10,000
We focus on Web3.0 and provide blockchain technology development services. Intricate and reliable solutions in blockchain technology from our proficient experts for a wide range of applications. Our e…
Past Earnings
$35/hr · Starting at $5,000
SoftQuake Systems Private Limited provides an One stop solution Blockchain services which includes Initial Coin offering ( ICO ) website design-development , Smart contract development , private Block…
$50/hr · Starting at $1,000
Blockchain Developer | Smart Contracts, DApps, NFTs & Token Development Are you looking to build secure and efficient blockchain applications? You're in the right place. I’m a passionate blockchain
KREMENCZUG, Wielkopolskie, Poland
$25/hr · Starting at $35
With over 9 years of professional experience in software development, I specialize in building end-to-end blockchain applications that are secure, scalable, and production-ready. Originally from Polan…
Bogota, Bolívar, Venezuela
I am a trading bot expert. I developed several trading bots. - Sandwich bot (Front running bot) - Sniper bot (Back running bot) - NFT mint bot (Back running bot) - Opensea bidding bot (opensea API) -
Vientiane, Vientiane, Laos
$30/hr · Starting at $1,000
I provide professional Solidity smart contract development focused on secure, efficient, and scalable DeFi solutions. My services include designing and implementing staking systems, liquidity pools, A…
Mostar, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina
$25/hr · Starting at $125
I develop secure, scalable, and high-performance Web3 applications tailored to your project needs. With strong experience in blockchain development, smart contracts, SaaS platforms, and full-stack eng…
Yemassee, South Carolina, United States
$40/hr · Starting at $1,000
Smart Contract Development (Soldity, Solana Anchor, Cosmwasm, Near, Ton-func, ...) Unlock blockchain's potential with our Smart Contract Development services. We specialize in creating secure, efficie…
Chelmsford, England, United Kingdom
$19/hr · Starting at $50
I'm a highly experienced Full Stack Web Developer and Digital Marketing Strategist with over 10 years of hands-on experience building custom websites, web applications, and e-commerce platforms for cl…
Sunderland, England, United Kingdom
$90/hr · Starting at $3,000
DApps Development I build secure, scalable decentralized applications with smart contracts, user-friendly interfaces, and strong token utility. Skilled in Solidity, React, and Web3.js, I deliver compl…
Lajkovac, Serbia, Serbia
$10/hr · Starting at $100
“Have a great idea? Let’s turn it into an intelligent, beautiful product!” I help founders and teams bring their ideas to life with AI-powered apps that perform and impress. From concept to l
Noida, Uttar Pradesh, India
$70/hr · Starting at $1,000
Software Maintenance & Support Ongoing Support: Offering continuous support for software after deployment, including bug fixes, updates, and performance improvements. System Monitoring: Monitoring sof…
Chhachhrauli, Haryana, India
$30/hr · Starting at $200
I have solid knowledge in these areas and also a deep understanding of the technical side of things. I have the necessary drive, motivation, and energy to see a project through to its completion. I p
Onitsha, Anambra, Nigeria
$50/hr · Starting at $500
I specialize in developing custom, secure, and efficient smart contracts using Solidity for Ethereum, Binance Smart Chain, Polygon, and other EVM-compatible networks. Whether you need a token, NFT, De…