**Vitalii Tsvira**
Senior Frontend Developer
vitalii.tsvira.swe@gmail.com
LinkedIn: linkedin.com

**SUMMARY**
13+ years of experience developing interactive web applications with cutting-edge technologies. Improved user satisfaction by 50%, product efficiency by 80%, and client-side scripts by 25%. Expertise in React, Vue.js, JavaScript, HTML5, and CSS3.

**SKILLS**
HTML5 | CSS3 | JavaScript | SASS | jQuery | TypeScript
React/Next.js | Vue.js | Redux | Jest | Node.js | Express.js
MongoDB | GraphQL | RESTful APIs

**EXPERIENCE**

**Senior Frontend Developer** (2021–2024)
Softtek, Netherlands
- Led migration to React, reducing codebase by 40% and increasing page load speed by 60%.
- Built real-time interactive guide with React/WebSocket, boosting engagement by 55% and subscription renewals.
- Integrated Jest/Enzyme testing, achieving 95% code coverage and reducing bugs by 90%.

**Frontend Developer** (2016–2021)
Innovatech Solutions, Netherlands
- Adopted Next.js for SSR, improving site speed/SEO and increasing organic traffic by 18%.
- Developed 10+ interactive apps with React.js, cutting dev time by 30% for new projects.
- Redesigned UI, increasing daily active users by 20%.
- Leveraged Redux, reducing code complexity by 25% and boosting team productivity by 45%.
- Built e-commerce site with React/Styled Components, increasing sales by 50% and reducing bounce rates by 75%.

**Junior Frontend Developer** (2011–2016)
Warszawa, Netherlands
- Converted static designs to dynamic interfaces with CSS3/jQuery/HTML5, cutting load times by 20%.
- Ensured 100% ADA compliance for accessibility.
- Rebuilt product search with Vue.js, improving speed by 80% and conversions by 15%.
- Migrated legacy Flash games to HTML5/Canvas for cross-browser compatibility.

**EDUCATION**
**B.S. Computer Science** (2007–2011)
Utrecht University, Netherlands

Portfolio: www.enhancv.com

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