Valentyn S.
Frontend Developer | React.js | Next.js | TypeScript | SEO & Multiling
Frontend Developer with 2+ years of commercial experience building modern web applications and websites using React.js, Next.js, TypeScript, and JavaScript. Since 2023, I have been working in frontend development, building responsive web applications, admin panels, interactive data tables, SEO-optimized websites, and multilingual interfaces. Currently, I work as a Frontend Developer in a product company, where I develop SEO-optimized and multilingual web applications. I collaborate with designers, backend developers, and QA engineers to deliver scalable, maintainable, and user-friendly solutions. My expertise includes: ▪ React.js, Next.js, TypeScript, JavaScript ▪ Responsive and pixel-perfect UI development ▪ SEO optimization and multilingual websites ▪ API integration and state management with Redux Toolkit ▪ Admin panels and data-driven interfaces ▪ Microservice-based project development ▪ Performance optimization and code refactoring ▪ Git, GitHub, and team collaboration workflows I focus on writing clean, reusable code and building products that are fast, reliable, and easy to maintain. Whether you need a new feature, bug fixes, UI implementation, or a complete frontend solution, I am ready to help.
Earnings and projects
Last 6 months ÷ 3.8 months active (since Jul 2026)
Last 6 months: $2.5k
Billed in all: $2,703$2.7k
$1.3k in the last 6 months
Across 3 contracts
Across 3 contracts
Earnings, last 30 days
Tracked from Oct 11, 2026.
Skill rankings: Top 8% in Redux Thunk
Ranked by MRR among everyone on Upwork with the skill.
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- #758Git5,766 freelancers · 🇺🇦 #127Top 13%🇺🇦#127 of 731
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