Serhii Kryvorotenko
4 years of experience, Frontend & Backend Engineer
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Katowice, Poland
Meet Serhii
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Certified UPWORK Freelancer with expertise in web development. From designing user-friendly interfaces to implementing complex backend functionality, I have the skills to bring your vision to life. With 4 years of experience and a strong track record of client satisfaction, I'm ready to take on your project.
Rate
$25 - $50/hr
Skills and tools
Frontend Engineer
Web Developer
Backend Engineer
Responsive Design
Web Designer
Software Engineer
CSS3
HTML5
JavaScript
Node.js
React
TypeScript
Java
PostgreSQL
Spring Boot
Details
Katowice, Poland
(GMT+1) Central European Time (CET), ± 5 hours
Professional Working Proficiency in Ukrainian and Russian • Limited Working Proficiency in English