Profile Picture

Sviatoslav Kysilytsia

Junior Front-end Developer

Skills

  • HTML, CSS(scss,tailwindcss)
  • JavaScript(ES6+), React.js, next.js
  • Responsive Design
  • Version Control (Git)
  • Front-end Build Tools (Webpack, Vite, NPM)
  • Debugging and Troubleshooting
  • Cross-browser Compatibility
  • UI/UX Design Principles
  • Agile/Scrum Methodology
  • Jira, Confluence
  • Functional Testing

Education

KEIM International Economic Management (2007-2012)

Online Courses : Front-end Development (HTML, CSS, JavaScript, React) freeCodeCamp (2024)

Languages

English - Pre-Intermediate

Polish - Pre-Intermediate

Ukrainian - Native

Profile

I am a motivated Junior Front-end Developer with experience in making responsive and easy-to-use websites. I know HTML, CSS, JavaScript, and React. I focus on writing clean code and making websites work fast. I love learning new technologies and working on interesting projects

Work Experience

Front-End Developer (Junior) | Actum (Maj 2025 – Obecnie)

  • Identify and fix bugs in existing code to ensure stable operation of web applications.
  • Migrated styles from SCSS to Tailwind CSS to simplify and maintain code consistency.
  • Designed and implemented new sections and components according to business requirements and provided designs.
  • Optimized website performance (Web Vitals) focusing on load speed and improved UX.
  • Developed reusable UI components and streamlined team efficiency.
  • Maintained and supported applications, collaborating with internal users to resolve reported issues.

Front-end Developer Intern, Freelance (Jun 2024 – May 2025)

  • Tworzyłem responsywne i interaktywne strony internetowe używając HTML, CSS i JavaScript.
  • Pracowałem z doświadczonymi programistami nad tworzeniem i aktualizacją stron w React.js.
  • Poprawiłem szybkość stron, skracając czas ładowania o 15%.
  • Naprawiałem błędy przeglądarek, aby strony działały poprawnie dla wszystkich użytkowników.
  • Brałem udział w spotkaniach zespołu, pomagałem sprawdzać kod i poprawiać jego jakość.

Business Analyst, Moyo, Kyiv (May 2023 - Jun 2024)

  • Gathered and documented client requirements for system improvements.
  • Created technical documentation and business process models using Draw.io.
  • Conducted functional testing and provided user training for new system features.
  • Collaborated with cross-functional teams to resolve system issues and bugs.

Head of Support Group, Moyo, Kyiv (Jul 2022 - May 2023)

  • Coordinated tasks for a support team of 7 members, ensuring timely resolution of issues.
  • Optimized workflows and improved data accuracy by 20% through system enhancements.
  • Developed and implemented strategies for department efficiency and project success.

Projects

Portfolio Website

  • Built a responsive portfolio website using HTML, CSS, and JavaScript.
  • Implemented React.js for dynamic content rendering.
  • Deployed the site using GitHub Pages.