Андрій

Andrii Vlasiuk
Frontend / Full-Stack Developer (Remote)

Ukraine · Email: [відкрити контакти](див. вище в блоці «контактна інформація») · Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація») · GitHub: github.com/Andryxatt

Professional Summary
Frontend / Full-Stack Developer with 3+ years of commercial experience specializing in modern JavaScript
and TypeScript ecosystems. Strong focus on building high-performance, scalable, and user-centric web
applications using React, Next.js, and NestJS. Hands-on experience in Web3 projects, including
blockchain integrations, gas optimization, and DeFi protocols. Comfortable working remotely with
distributed teams, mentoring junior developers, and taking ownership of complex features from idea to
production.

Technical Skills
• Languages: JavaScript (ES6+), TypeScript, SQL

• Frontend: React, Next.js, HTML5, CSS3, Responsive Design

• Backend: Node.js, NestJS, REST APIs

• Databases: SQL-based databases

• Web3 / Blockchain: Wallet integrations, multi-transaction systems, gas optimization, Uniswap protocol
automation

• Tools & Practices: Git, code review, performance optimization, refactoring, clean architecture

Work Experience
Web3 Front-End Developer — Private Customer (2022–2025)

1 Developed a proprietary crypto-asset platform enabling token purchase, sale, and exchange.
2 Implemented multi-transaction systems and gas fee payments in different tokens.
3 Optimized transaction costs by enabling asset distribution to multiple addresses in a single
transaction.

4 Automated Uniswap liquidity monitoring and asset redistribution mechanisms.

Front-End Developer — Olympian (until 2022)

1 Introduced new UI components and refactored legacy codebases.
2 Improved website loading speed by approximately 10%.
3 Integrated Google Maps services with place search and interactive markers.

Junior Full-Stack Developer — Consolwize (until 2021)

1 Developed and maintained reusable front-end components.
2 Performed backend refactoring to improve system efficiency.
3 Reduced front-end errors by 15% through performance troubleshooting.
Teaching & Mentoring
1 Instructor at IT Step Academy — Web Development fundamentals.
2 Mentor at GoIT Neoversity — code reviews, learning guidance, career mentoring.

Education
IT Step Academy Ukraine — Software Engineer (Web Development & Database Engineering)

Certifications
1 CyberBionic Systematics — HTML, CSS, JavaScript
2 Stfalcon Academy — Angular