Hire the best Solidity Freelancers in Kharkiv, UA

Check out Solidity Freelancers in Kharkiv, UA with the skills you need for your next job.

Anton K.
$25/hr
  • Trophy Icon Solidity
  • Blockchain
  • Blockchain Architecture
  • 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 Solidity
  • Golang
  • Docker
  • 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

Khrystyna V.
$35/hr
  • Trophy Icon Solidity
  • TypeScript
  • Blockchain
  • React Native
  • ExpressJS
  • Rust
  • Mobile App Development
  • NestJS
  • AWS Amplify
  • Ethereum Network
  • JavaScript
  • React
  • Docker

My strongest powers are my tech stack and comprehensive experience. I’ve already done tens of development projects, and I'm not going to stop. Check some of my professionalism guarantees: • 9000+ hours worked on Upwork • 54+ successfully executed projects • Excellent troubleshooting skills • Exceptional Top Rated Plus engineer + • 48 satisfied customers

Volodymyr M.
$60/hr
  • Trophy Icon Solidity
  • Angular
  • Laravel
  • White Paper
  • Business Plan
  • Blockchain
  • Python
  • Fundraising
  • Marketing Strategy
  • Branding & Marketing
  • B2B Marketing
  • Product Design

Participated as blockchain expert and world-class adviser in numerous ICO, CEO of the Illuminates team which took care of blockchain solutions integration, project realization assuring launch and successful completion. Illuminates specializing in services and solutions for blockchain startups, accompanying a whole lifespan of a project, investor relations, fundraising and market making services. As a seasoned entrepreneur and fin-tech expert, I perfectly understands investors' expectations, startup's pain points, and how to build profitable relationships between them. Providing comprehensive in-depth startup assessment I ensures project...

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

Evgeniy K.
$45/hr
  • Trophy Icon Solidity
  • Microsoft SQL Server
  • MySQL
  • .NET Core
  • F#
  • C#
  • React
  • Vue.js
  • Python

Feel free to contact me regarding Fintech solutions development. I'll guide you through our processes.

Pavlo S.
$60/hr
  • Trophy Icon Solidity
  • HTML
  • CSS
  • PHP
  • JavaScript
  • jQuery
  • MySQL
  • WordPress
  • PSD to WordPress
  • WordPress Plugin
  • WooCommerce
  • Laravel
  • Stripe
  • Cryptocurrency
  • Bitcoin

Hi! I am Paul, I am fluent in English and have already 10 years of experience as a Web Developer, I work with clients across the world from Lovely Ukraine. I can help you out with anything from a Wordpress Website to developing a custom platform. The main things I specialise in is Ecommerce, Testing, Plugin Development and Web Development. I work only on a few projects at once and give all my attention and time, you can scroll down and see the sort of projects I work on. Dyakuyu (Thanks in Ukraine)

Oleg V.
$40/hr
  • Trophy Icon Solidity
  • Node.js
  • React
  • HTML5
  • PHP
  • SQL
  • Vue.js
  • Blockchain Development
  • Truffle
  • web3.js

Hi, I'm a web developer with 4 years of experience with Solidity, Truffle, Web3.js, Node.js, React.js, Angular, PHP/Laravel, JQuery, CSS/SCSS and more. Last year I started to work with Solidity and helped to launch various ICO products and created a bunch of smart contracts. I can help you with writing smart contracts (ICO - ERC20 Token, dApps) on the Ethereum platform, automated testing, deploying, and upgrading them, and integrating with your backend and frontend code. I'm experienced in writing complex tests and deployment scripts. I can also handle various node tasks, Ethereum and Bitcoin/Altcoin, from automated creating and...

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

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.
$25/hr
  • Trophy Icon Solidity
  • HTML
  • CSS
  • Git
  • 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...

Dmytro G.
$40/hr
  • Trophy Icon Solidity
  • Swift
  • Node.js
  • React
  • Ethereum
  • iOS Development
  • Flutter
  • Golang
  • Android App
  • TypeScript
  • Blockchain Architecture
  • Blockchain
  • Vue.js
  • NFT
  • Dart
  • ExpressJS

✓ 4+ years of experience in Blockchain Development, building Cryptocurrencies, NFT staking, minting and marketplace Dapps, Defi Dapps, Decentralized Exchange, decentralized donation platform, and much more. ✓Strong knowledge of Solidity is my forte and I keep myself up to date with the latest trends in the Defi, and NFT space. If you have a novel idea that you wanna build from scratch or you wanna fork/clone any existing Web3 project with modifications, I will be glad to work with you. Let's discuss how my expertise can sky rocket your project!

Dmytro  B.
$60/hr
  • Trophy Icon Solidity
  • GraphQL
  • React
  • Redux
  • Smart Contract
  • Vue.js
  • web3.js
  • TypeScript
  • Node.js

I've been working in the crypto area for over 5 years now and have headed some great projects previously which raised thousands of crypto assets. I am a Website and Web Application Developer working with my expert team looking for DeFi Crypto-related projects, coin and token creation, DEXs, building custom dapps, crypto lending and payment solutions. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗼𝗳𝗳𝗲𝗿: ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ Stable, Utility, Security, Investment ✔ ICO, IDO, STO, Presale, Blockchain Copyrighting, and Whitepapers ✔ Decentralized Exchange ✔ Impermanent loss, governance tokens ✔ Portfolio Tracking...

 Oleksii C.
$65/hr
  • Trophy Icon Solidity
  • CSS 3
  • HTML
  • Postman
  • React
  • PostgreSQL
  • Node.js
  • JavaScript
  • Ethereum
  • web3.js
  • TypeScript
  • API Development

Greeting you! I am an experienced software lead / senior developer with notable career accomplishments and expertise in web and smart contract development, database design & modeling, blockchain infrastructure, creative idea over business & marketing, and team & project management. I have handled, developed and deployed 25 + web and 8+ NFT mint/marketplace projects in 8+ years. My highlights are: - Enterprising manner: Software is not only a job but also my pleasure so I am always active in development. - Quality and punctuality: With a work method focuses on the professional quality along with the development speed, the highest quality...

George B.
$40/hr
  • Trophy Icon Solidity
  • Akka
  • Hibernate
  • Java
  • Java EE
  • MongoDB
  • Play Framework
  • Scala
  • Ethereum
  • Blockchain

I am a strategic thought leader with an impressive more 10-years career of delivering advanced solutions and implementing both technical and business strategies for millions dollar corporations. I am a recognized software development tools, process, and methodology expert. I was responsible for design and development to Smartlands, Skyglyph, AdvCash, PMP, Deliveright Warehouse, takes part in development of Severstal B2B and B2C Solution. Programming Languages: Java, Scala, GO, Clojure, Solidity, .NET Technologies: Akka, Play, SBT, Slick, Casandra, Kafka, Confluent, Go base, confluent-kafka, gocb, gocql, Akka Http, Spark, SparkMLlib,...

Viacheslav S.
$25/hr
  • Trophy Icon Solidity
  • Mobile App Development
  • React
  • React Native
  • Front-End Development
  • Blockchain
  • Blockchain Architecture
  • Web Application
  • Python
  • PHP

Full Stack Developer since 2014, Blockchain developer since 2020. I specialize in server-side and Frontend solutions, PHP (Laravel), Python (Django), JS, React/React native, NodeJS, Substrate and smart contract, web and hybrid mobile app development, also different CMS (Shopify, WordPress, OpenCart etc.); Linux and web server, web proxy and SQL server setup; Web scraping with Python, PHP, JS; Scripts in Bash, PHP, Python Good communication skills and initiative, stress resistance, self-organization, purposeful.

Dmytro B.
$50/hr
  • Trophy Icon Solidity
  • Tokenomics
  • NFT Marketplace
  • Ethereum
  • React
  • Solana
  • Vue.js
  • Next.js
  • DeFi
  • TypeScript
  • Blockchain, NFT & Cryptocurrency
  • web3.js
  • Golang
  • Redux
  • Nuxt.js

Do you want a secure, performant dApp and smart contract for your new blockchain project? I bet you do. Blockchain is an amazing technology that is taking over the world, and you are probably reading this because you don’t want to be left behind. 😧But, besides all the excitement, you still feel confused about the constant new crypto technologies and platforms that are popping out every second. 😧You also probably dealt with people that delivered a buggy dApp or a smart contract full of vulnerabilities ⭐How awesome it would be if you could work with an expert that knows the best security and performance practices to get your crypto...

Maxim K.
$38/hr
  • Trophy Icon Solidity
  • React
  • Front-End Development
  • Smart Contract Development
  • Vue.js
  • Node.js
  • Full-Stack Development
  • JavaScript
  • RESTful API
  • Angular
  • Next.js

Thanks for your attention in my profile. I am Maxim, a Full Stack Developer with rich experiences in Web & Blockchain Development. My Main Skills: ◊ Blockchain • Solidity, Rust, Ethereum, BSC, Solana, Terra, Juno, Osmosis, Cosmos SDK • Cryptocurrency & Altcoin creation • Token creation on ETH, BSC, MATIC, and other EVM chains • NFT creation on Ethereum, Polygon, Solana, and other chains • Decentralized exchanges (Pancakeswap, Uniswap, etc) • Yield farms • Token staking dashboards, Token rewards tracking dashboards • Determining the viability of a blockchain based solution for your business needs • Writing smart contract logic code for...

Denys M.
$50/hr
  • Trophy Icon Solidity
  • IT Consultation
  • Solution Architecture
  • Blockchain Architecture
  • Python
  • IT Management
  • Product Management
  • Information Security Audit
  • FinTech

I have been working in the fintech and cyber security field for many years. I also conduct audits of blockchain projects. My responsibilities include consulting, developing and improving start-ups in the financial sector.

Anton K.
$22/hr
  • Trophy Icon Solidity
  • PHP
  • JavaScript
  • SQL
  • MongoDB
  • Firebase
  • Vue.js
  • Shopify
  • Telegram API
  • Instagram
  • TikTok
  • Binance Coin
  • Bitcoin
  • API
  • WooCommerce

👉 Full stack development - transforming initial ideas into software 👉 Prototyping simple, understandable UI/UX using the latest trends 👉 Generating leads through data extraction and analysis 👉 Fine-tuning and expanding of existing software 👉 APIs creation and integration Organizing projects, from document preparation to the final product being launched in application markets, while helping clients to better understand the whole development process and be actively involved in decision making. Im an expert in the following stacks: - VueJS, Vuex, React / Redux, AngularJS (1.x, 4+), RXJS, socket.io + Pusher + PubNub - PHP 7.x, Laravel...

$NaN/hr

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