Hire the best Smart Contracts Developers in Kharkiv

Check out Smart Contracts Developers in Kharkiv with the skills you need for your next job.

Anton K.
$25/hr
  • Trophy Icon Smart Contracts
  • Blockchain
  • Blockchain Architecture
  • Solidity
  • JavaScript
  • C++
  • Smart Contract
  • Blockchain Development
  • Ethereum

I'm a full stack Blockchain developer with more than a year experience of writing smart contracts and building decentralized applications. Given the new trends and the ever-evolving industry, I always learn something new and stay up to date with the latest information. That's why I guarantee that I will provide you with the most efficient solution. My skills: - Excellent understanding of blockchain technology - Proficiency in at least one high-level programming language; - Solid grasp of cryptography and security principles; - Experience with distributed systems and peer-to-peer networking; - Knowledge of smart contracts; - Familiarity...

Sergey G.
$35/hr
  • Trophy Icon Smart Contracts
  • Golang
  • Docker
  • Solidity
  • Blockchain Development
  • Ethereum
  • DApps
  • Smart Contract
  • Blockchain
  • Blockchain Architecture
  • Kubernetes

I'm experienced software engineer from Ukraine. My expertise include: - development of platforms based on blockchain technologies (nft marketplaces, dapps, bridges, cryptocurrency payment integration, custodian wallets etc.) - development of scale systems - development of web apps Tech stack: - Golang, C++, Python, Solidity (ERC20, NFT (ERC721, ERC1155)) - Postgresql, Mysql - EVM based blockchains, stellar

Danyyl K.
$35/hr
  • Trophy Icon Smart Contracts
  • TypeScript
  • JavaScript
  • React
  • React Native
  • Website Optimization
  • Mobile App Development
  • Node.js
  • NestJS
  • Gatsby.js
  • AWS Lambda
  • Docker
  • Redux
  • Solidity
  • Smart Contract
  • Ethereum Network

It only drives me faster when someone says an idea can’t be implemented. I thoroughly cover clients’ demands and drive business results by working with server-side technologies (NodeJS, ExpressJS, NestJS) in combination with front-end (React, Angular, React Native). Check some facts about me: • 1500+ hours worked on Upwork • 54+ successfully executed projects • Excellent troubleshooting skills • Exceptional Top Rated Plus engineer + • 48 satisfied customers

Vincent  O.
$65/hr
  • Trophy Icon Smart Contracts
  • Website Security
  • DevOps
  • Penetration Testing
  • Smart Contract
  • Ethereum
  • Ethereum Network
  • Application Security
  • Cloud Security Framework
  • Network Security
  • Metasploit
  • Network Penetration Testing
  • Security Analysis
  • Vulnerability Assessment
  • Security Assessment & Testing

✅ Development Operations ✅ Security Operations ✅ DevSecOps I have a diverse set of expertise and abilities, with a focus on cyber security and software development, with a strong expertise in cybersecurity as a result of several hours spent on vulnerability assessment and penetration testing operations. Developing native apps and incorporating security into the development life cycle. I am familiar with testing automation technologies and their integration. My current tech stack of choice is React, Javascript, and Node. js Proficiency in: Smart Contract Audit Ethereum network Vulnerability management as follows: 1. Develop...

Oleksandr D.
$60/hr
  • Trophy Icon Smart Contracts
  • Python
  • Big Data
  • Machine Learning
  • TensorFlow
  • Computer Vision
  • Kubernetes
  • Apache Kafka
  • Google APIs
  • Artificial Intelligence
  • Databases
  • GIS
  • Cloud Architecture
  • Blockchain
  • Smart Contract
  • AWS Lambda

An IT architect with 15 years of experience in enterprise software development, big data and data science projects. I lead a small team of data scientists and software engineers who can deliver ready to use solutions using innovative technologies. Buzzwords: ML (xgBoost, SL), NLP (Google Bert), Python (Django), High Load (10K simultaneous connections, 100K req/sec), NoSQL (Hadoop, Spark, Cassandra, MongoDB), Virtualization (KVM, ESXi, Xen opensource, custom qemu drivers), Blockchain (smart contracts, Ethereum, Solidity),

Viktor D.
$20/hr
  • Trophy Icon Smart Contracts
  • Solidity
  • Blockchain
  • Ethereum
  • Smart Contract
  • Truffle
  • JavaScript
  • Research & Development
  • Binance Coin
  • Blockchain Architecture
  • Blockchain Development

Erc20/721 tokens, nft marketplace, dexe, chains, vaults, compound, random on blockchain, games on blockchain, integration with router or other, contract optimization, openzeppelin, audit, truffle tests.

Alex T.
$20/hr
  • Trophy Icon Smart Contracts
  • HTML
  • CSS
  • Git
  • Solidity
  • MongoDB
  • SQL
  • SCSS
  • Redux
  • ExpressJS
  • Bootstrap
  • React
  • Solidify
  • Ethereum
  • JavaScript
  • Smart Contract

I'm a web developer with 3+ years of experience with Solidity, Web3.js, React.js, HTML, JQuery, CSS/SCSS and more. I can help you with writing smart contracts on the Ethereum platform, automated testing, deployment and upgrades, and integration with your backend and frontend. My strong point is collaboration with product team members to implement new feature developments. In addition I was involved in optimization of images, code, and cross-browser compatibility, increasing the time of fast page response. You'll get all the things you expect, such as excellent professional service and fast turnaround times. Here is the list of my main...

Rostyslav B.
$40/hr
  • Trophy Icon Smart Contracts
  • Solidity
  • Ethereum
  • Initial Coin Offering
  • Smart Contract
  • Cryptocurrency
  • Node.js
  • Blockchain
  • Blockchain Development
  • JavaScript

I am a senior blockchain developer with 5 years of experience. Prior to blockchain, I gained significant expertise with JavaScript and Solidity. I enjoy working on complex tasks that demand not only solid dev skills but strong logical thinking and creativity. I help companies with the full development cycle, from architecture development to MVP creation to launching a working beta. Having successfully completed more than 50 projects, I have developed expertise across the following sectors: • Enterprise • CRM/ERP • Real Estate • Ecommerce • AdTech • Online gambling • Startup MVP My key technical capabilities include:...

Hlib Z.
$23/hr
  • Trophy Icon Smart Contracts
  • Android App Development
  • Cryptocurrency
  • NFT Minting
  • Node.js
  • Java
  • NFT
  • Kotlin
  • Blockchain
  • Solidity
  • Vue.js
  • Ethereum
  • Web3
  • React
  • Angular
  • Smart Contract

1. I am a blockchain developer. I have extensive experience, and more precisely it’s 5+ years of professional activity in the blockchain technology platforms’ development. What my expertise includes: - building cryptocurrency; - NFT marketplace; - NFT staking and minting; - DeFi dapps; - decentralized exchange; - Smart contracts’ development; - Solidity; - Web3; - Ethereum; - Smart Contract. But that’s not all! I have created many successful blockchain and crypto projects. Thus, I have a lot to offer you. I have good understanding of this technology. 2. Full-Stack Development. I am competent in Java, Spring, Serverless, Node.js,...

Ostap D.
$30/hr
  • Trophy Icon Smart Contracts
  • Laravel
  • Blockchain
  • Vue.js
  • DApps
  • Web3
  • Nuxt.js
  • Blockchain Architecture
  • Next.js
  • web3.js
  • Smart Contract
  • React
  • Node.js
  • CSS 3
  • HTML5
  • NFT

I have 7+ years of experience as a full-stack Blockchain developer. Each project begins with a detailed analysis of the client's business and marketing with regular and timely communication. I believe in transparency and offering high-quality services. Why me? - Among the Top 50 Blockchain Developers - Top-rated plus - 5 star reviews - 7+ years experience in Blockchain - Very dedicated to my work - Delivering work on a given timeline My area of expertise and accomplishments in: - Web Development - Web Designs - Launchpad (IDO | ICO | IEO | STO | ETO) - NFT Minting and Marketplaces - Smart Contract Development - Crypto Exchange...

Mykyta P.
$20/hr
  • Trophy Icon Smart Contracts
  • Receipt Parsing
  • Python Script
  • Chatbot
  • Solidity
  • Smart Contract
  • Chatbot Development
  • Python
  • Smart Contract Development
  • Bot Development
  • Chatbot Script
  • Blockchain Development
  • Blockchain

Python programming experience - more than six years. Experience with Solidity for 4 years. I worked at Softline for more than three years, after which I decided to go freelance.

$NaN/hr

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