Sofia, Sofia, Bulgaria
$85/hr · Starting at $50,000
Our blockchain development services encompass the full spectrum of creating and maintaining robust blockchain systems and applications. Here’s what we offer: Blockchain Technology Expertise: We specia…
Cherkasy, Cherkas'ka Oblast', Ukraine
$30/hr · Starting at $200
I am a skilled blockchain developer with a proven track record of delivering high-quality solutions. With over 5 years of experience, I have a deep understanding of the technology and how it can be us…
Bucha, Kharkivs'ka Oblast', Ukraine
Past Earnings
$40/hr · Starting at $100
Hi, I am a blockchain and smart contract developer, writing smart contracts(ERC721), Polygon to reduce gas fees, creating cryptocurrencies, and launching ICOs, Dapps with about 2 years of experience w…
Lahore, Punjab, Pakistan
$40/hr · Starting at $30
Are you seeking innovative and reliable solutions that seamlessly merge the power of PHP development with the revolutionary potential of blockchain technology? Look no further. I am an accomplished in…
Surat, Gujarat, India
$25/hr · Starting at $1,000
Service Description: We provide quality services on: - Blockchain Development - Mobile Web Development - Metaverse game Development - IOS development (iPhone, iPad, iPod Touch) - Android development (…
multan, Punjab, Pakistan
ID Verified
$5/hr · Starting at $25
Here’s your rewritten version without the word “gig,” keeping it smooth and professional: Are you ready to dive into the world of blockchain and DeFi? Need a skilled developer to create custom smart c…
Berlin, Berlin, Germany
$10/hr · Starting at $50
I can provide Quality solutions in bitcoins, blockchain development, ICO launches and cryptocurrency development. Why choose me ? What i can do : Blockchain Consulting - PoC development - Private…
Dakar, Dakar, Senegal
$25/hr · Starting at $50
Software engineer with 12+ years of experience in software development and computer telephony systems based on Linux. I am proficient in programming with Java, Javascript, PHP, Python, C/C++. Programm…
Lviv, L'vivs'ka Oblast', Ukraine
$25/hr · Starting at $4,000
Mobile technologies allow you to build additional sale channels for your business. Our team has substantial experience in developing mobile apps.
ottawa, Alberta, Canada
$40/hr · Starting at $25
Dear Client. I have much experiences in full-stack development skills and Blockchain. I will do my best to leave an impression on you through your project. Full-stack development experience - P
Belgrade, Serbia, Serbia
$40/hr · Starting at $35
I have developed many rust programs on Solana for spl-token, token lending & borrowing, token vesting, presale, staking, farming, nft minting, staking, breeding, custom auction, and so on. And I have
Delhi, Delhi, India
$8/hr · Starting at $30
Ethereum, Bitcoin, EOS, Smart Contract, Web3js, Node.js, EOSjs, Truffle Framework, Scatter, Metamask, Grin Master, Rust, Solidity, C/C++, Java, Angular js, Hyperledger, Master Node, ICO, STO, ERC20, E…
New Delhi, Delhi, India
$75/hr · Starting at $3,000
Smart Contract Audit Blockchain Development EOS Initial Coin Offering Trading Platform Development Ethereum Bitcoin Decentralized Exchange Security Token
Zaporizhzhya, Zakarpats'ka Oblast', Ukraine
100/yr · 100%
$40/hr · Starting at $500
Hi, I’m a blockchain and crypto developer specializing in building secure, decentralized applications and smart contracts. With strong expertise in Solidity, Ethereum, Binance Smart Chain, and other
Karachi, Sindh, Pakistan
$30/hr · Starting at $2,800
Blockchain Development and Solutions: Unlock the potential of blockchain technology with our comprehensive development and solutions services. Whether you're starting from scratch or need to enhance a…
$20/hr · Starting at $2,000
We build secure, scalable, and efficient blockchain applications that empower businesses to adopt decentralized technologies with ease. Our solutions cover token development, smart contracts, NFT mark…
Bayside, New York, United States
$60/hr · Starting at $50
Cryptocurrency and blockchain solutions are revolutionizing how industries operate. I am an experienced developer with in-depth knowledge of blockchain technology and cryptocurrency. I can build NFT…
Sillanwali, Punjab, Pakistan
I specialize in NFT and blockchain development, providing secure and scalable solutions tailored to your needs. With expertise across Ethereum, Solana, and Bitcoin Ordinals, I help businesses and crea…
Poznan, Greater Poland Voivodeship, Poland
3,378/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,
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…