F u l l   S t a c k   D e v e l o l e r


C# | .NET | Python | Java | JS


I am Oleksandr Sofianchuk, a Full Stack Developer with over 7 years of experience.

I specialize in creating scalable, high-performance websites and web applications that are both user-friendly and aligned with business objectives.

I am passionate about crafting responsive, efficient, and visually engaging websites that enhance user engagement and achieve business goals. By applying best practices in coding, performance optimization, and user experience design, I ensure every project is robust, adaptable, and tailored to client needs.



Deliverable

Deliverable

Front-End
  98%
Back-End
  95%
Blockchain
  92%
AI/ML
  90%

SERVICES

Web Development

8 years of hands-on experience in Software development.
- Strong HTML + CSS, SCSS, JavaScript, Bootstrap 4, 5
- React, Redux, React Hooks, Tailwind CSS, MUI, Next, TypeScript, React Native, Angular, Vue
- .NET, .NET CORE, Razor, Django, Java Spring, Node.js, Express, Nest, Django
- REST API, GraphQL, Firebase
- MongoDB, PostgreSQL, MySQL, CanDB
- Magento, Wordpress, Shopify
- AWS, Azure, GCP
- Jira, Agile

View Work
mushroom

Blockchain  Development

I have been working as a Blockchain developer for 3 years.
- React + Web3JS, React + EthersJS
- Smart Contract, Solidity, Rust, Motoko
- Ethereum, Solana
- NFT mint, NFT marketplace
- Discord & Telegram NFT Bot
- Binance, Cryptocurrency

View Work
mushroom

My Hourly Rates

UI / UX Development

  • FrontEnd
  • 3D animation
  • Web3

✅ ReactJS, Redux, AngularJS, TypeScript, NextJS, VueJS, Tailwind CSS, HTML5, CSS3, Jquery, Bootstrap 5

- - -

Backend Development

  • Backend
  • Web and Mobile API
  • Database design

✅ .NET, .NET CORE, Razor, Blazor, MAUI, SignalR with C#

✅ Django, Flask, FastAPIs, Data Sciences, ML with Python

✅ Spring Boot, Spring MVC, Hibernate, JSP, JSF with Java

- - -

Blockchain Development

  • Smart Contract
  • NFT minting & marketplace
  • NFT & Trading Bot

✅ Ethereum & Solana, Solidity and Rust, NFT minting & marketplace, Trading & NFT Bot

- - -
P r e v i o u s   W o r k s
HTML + Bootstrap + ASP.NET
React + ASP.NET
React + NodeJS + Web3
React + Web3 + Solidity
ASP.NET CORE
MERN stack
ASP.NET Blazor
ParticleJS + Web3
Vue + Java Spring Boot
React + Next + ThreeJS
React + Styled Component
React + GSAP
Contact Me Interested?

sofianchuko@ukr.net

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