Available to hire
Hi, I’m Valentyn Zadonskyi, a frontend developer with 3+ years of experience building scalable and fast web applications. I’m proficient with React and Vue, and I place a strong emphasis on responsive design, usability, and clean architecture. My background in full-stack development with Node.js and NestJS helps me collaborate effectively across the entire product lifecycle.
I’m passionate about modernizing legacy code, boosting performance through code-splitting and optimization, and delivering polished user interfaces. I enjoy collaborating with teams to ship valuable features and continuously learn new technologies.
Skills
Language
English
Advanced
Russian
Fluent
Ukrainian
Fluent
Work Experience
Front-end Developer at Azul - Creative Digital Agency
April 30, 2025 - October 4, 2025Developed responsive UIs for 3 commercial websites using Tailwind CSS and GSAP; integrated Vue and React frontends with WordPress and headless CMS; helped reduce sprint cycle time by 15% through GitFlow, pair programming, and improved collaboration.
Front-end Developer at Azul - Creative Digital Agency
April 30, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Tailwind CSS and GSAP, contributing to improved user experience and engagement across key pages. Integrated Vue and React frontend with WordPress and headless CMS solutions, enabling seamless and efficient content management for editorial teams. Helped reduce sprint cycle time by 15% by promoting GitFlow, pair programming, and improved team collaboration practices.
Front-end Developer at Azul - Creative Digital Agency
April 1, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Tailwind CSS and GSAP. Integrated Vue and React frontend with WordPress and headless CMS solutions for editorial teams. Helped reduce sprint cycle time by 15% through GitFlow, pair programming, and improved team collaboration.
Front-end Developer at Azul - Creative Digital Agency
April 1, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Tailwind CSS and GSAP, contributing to improved user experience and engagement across key pages. Integrated Vue and React frontend with WordPress and headless CMS solutions, enabling seamless and efficient content management for editorial teams. Helped reduce sprint cycle time by 15% by promoting GitFlow, pair programming, and improved team collaboration practices.
Front-end Developer at Azul - Creative Digital Agency
April 1, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Tailwind CSS and GSAP; integrated Vue and React frontend with WordPress and headless CMS solutions for editorial teams; helped reduce sprint cycle time by 15% through GitFlow, pair programming and improved team collaboration.
Front-end Developer at Azul - Creative Digital Agency
April 1, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Tailwind CSS and GSAP, contributing to improved user experience and engagement across key pages. Integrated Vue and React frontend with WordPress and headless CMS solutions, enabling seamless and efficient content management for editorial teams. Helped reduce sprint cycle time by 15% by promoting GitFlow, pair programming, and improved team collaboration practices.
Front-end Developer at Azul - Creative Digital Agency
April 1, 2025 - October 4, 2025Developed responsive and interactive UIs for 3 commercial websites using Vue.js, Nuxt.js, Tailwind CSS, and GSAP. Integrated Vue and React frontend with WordPress and headless CMS solutions for editorial content management. Helped reduce sprint cycle time by 15% by promoting GitFlow, pair programming, and improved team collaboration practices.
Middle Front-end Developer at Capgemini
May 31, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-interactive by 1.2s; enhanced state management with Redux selectors, cutting unnecessary renders by 35%; implemented code-splitting and lazy loading for 25% faster initial page load.
Middle Front-end Developer at Capgemini
May 31, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-Interactive by 1.2 s. Enhanced state management with Redux selectors, cutting unnecessary renders by 35% and boosting app responsiveness. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved user engagement metrics.
Front-end Developer at Capgemini
May 1, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-Interactive. Enhanced state management with Redux selectors, cutting unnecessary renders by 35%. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved engagement.
Middle Front-end Developer at Capgemini
May 1, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-Interactive by 1.2 s. Enhanced state management with Redux selectors, cutting unnecessary renders by 35% and boosting app responsiveness. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved user engagement metrics.
Middle Front-end Developer at Capgemini
May 1, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-interactive. Enhanced state management with Redux selectors, cutting unnecessary renders by 35% and boosting app responsiveness. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved user engagement.
Middle Front-end Developer at Capgemini
May 1, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-Interactive by 1.2 s. Enhanced state management with Redux selectors, cutting unnecessary renders by 35% and boosting app responsiveness. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved user engagement metrics.
Middle Front-end Developer at Capgemini
May 1, 2024 - October 4, 2025Optimized React components, reducing initial bundle size by 20% and improving time-to-Interactive by 1.2s. Enhanced state management with Redux selectors, cutting unnecessary renders by 35% and boosting app responsiveness. Implemented code-splitting and lazy loading, resulting in a 25% faster initial page load and improved user engagement metrics.
Front-end Developer at The Mom Project
February 28, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports; refactored legacy Vue.js code to improve maintainability and reduce average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 28, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports over 6 months. Refactored legacy Vue.js code, improving maintainability and reducing average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 1, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports. Refactored legacy Vue.js code to improve maintainability and reduce average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 1, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports over 6 months. Refactored legacy Vue.js code, improving maintainability and reducing average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 1, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports over 6 months. Refactored legacy Vue.js code, improving maintainability and reducing average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 1, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports over 6 months. Refactored legacy Vue.js code, improving maintainability and reducing average bug-fix time by 20%.
Front-end Developer at The Mom Project
February 1, 2023 - October 4, 2025Built and tested 20+ UI components, contributing to a 15% decrease in UI/UX-related bug reports over 6 months. Refactored legacy Vue.js code, improving maintainability and reducing average bug-fix time by 20%.
Full-stack Developer (Freelance) at Freelance
August 1, 2021 - PresentDelivered 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM), driving an average 20% uplift in client conversions. Accelerated page load times by 35% through code-splitting and asset optimization, improving SEO and user engagement. Reduced post-launch bug count by 40% via rigorous QA and early triage. Modernized 8 legacy codebases by migrating to React/Next.js or Vue.js/Nuxt.js, cutting maintenance overhead by 50% and enabling faster feature delivery.
Front-end Developer at Freelance
August 1, 2021 - PresentDelivered 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM), driving an average 20% uplift in client conversion rates. Accelerated page load times by 35% through code-splitting and asset optimization, improving SEO rankings and user engagement. Reduced post-launch bug count by 40% via rigorous QA and early bug triage, boosting application stability. Modernized 8 legacy codebases by migrating them to React/Next.js or Vue.js/Nuxt.js, cutting maintenance overhead by 50% and enabling faster feature delivery.
Full-stack Developer at Freelance
August 1, 2021 - PresentRemote freelance role delivering 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM). Improved client conversion rates by an average 20% through performance optimization and UX improvements. Reduced post-launch bug count by 40% via rigorous QA and early bug triage. Modernized 8 legacy codebases by migrating to React/Next.js or Vue.js/Nuxt.js, cutting maintenance overhead by 50%.
Full-stack Developer at Freelance
August 1, 2021 - PresentDelivered 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM), driving an average 20% uplift in client conversion rates. Accelerated page load times by 35% through code-splitting and asset optimization, improving SEO rankings and user engagement. Reduced post-launch bug count by 40% via rigorous QA and early bug triage, boosting application stability. Modernized 8 legacy codebases by migrating them to React/Next.js or Vue.js/Nuxt.js, cutting maintenance overhead by 50% and enabling faster feature delivery.
Full-stack Developer at Freelance
August 1, 2021 - PresentFreelance remote work delivering 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM); achieved ~20% uplift in client conversion rates. Optimized performance with code-splitting and asset optimization, reducing page load times by 35% and boosting SEO. Reduced post-launch bugs by 40% through rigorous QA and early bug triage. Modernized 8 legacy codebases by migrating to React/Next.js or Vue.js/Nuxt.js, cutting maintenance overhead by 50% and enabling faster feature delivery.
Freelance Full-stack Developer at Freelance
August 1, 2021 - PresentDelivered 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM) with an average 20% uplift in client conversion; accelerated page load times by 35% through code-splitting and asset optimization; reduced post-launch bugs by 40% via rigorous QA and early triage; modernized 8 legacy codebases by migrating to React/Next.js or Vue/Nuxt.js, cutting maintenance by 50%.
Full-stack Developer at Freelance
August 1, 2021 - PresentDelivered 15+ full-stack projects (landing pages, corporate sites, e-commerce, CRM), driving an average 20% uplift in client conversion rates. Accelerated page load times by 35% through code-splitting and asset optimization, improving SEO rankings and user engagement. Reduced post-launch bug count by 40% via rigorous QA and early bug triage, boosting application stability. Modernized 8 legacy codebases, migrating them to React/Next.js or Vue.js/Nuxt.js—cut maintenance overhead by 50% and enabling faster feature delivery.
Education
Bachelor's degree at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree in Software Engineering at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree: Software Engineering at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree in Software Engineering at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree (Software Engineering) at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Bachelor's degree in Software Engineering at Kyiv National University of Technologies and Design
September 1, 2015 - February 1, 2020Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Education
Skills
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