Ольга

Olha Sierik
Front-End Developer

Professional Summary
Detail-oriented and motivated front-end developer with strong technical foundation and 1 year of professional
experience (2024-2025) as a Front-End Specialist under NDA. Proven ability to deliver high-quality,
responsive, and user-friendly web applications using modern web technologies. Quick learner, effective
collaborator, and committed to continuous professional growth.

Professional Experience

Front-End Specialist (Confidential Project - NDA)
Remote | 2024-2025 (1 year)
- Developed and maintained scalable, responsive web user interfaces for a commercial web application
(NDA).
- Implemented complex UI components using modern front-end frameworks with a focus on performance and
accessibility.
- Collaborated with designers, back-end developers, and product teams in an Agile environment.
- Ensured adherence to coding standards, conducted code reviews, and optimized front-end performance.

Education

Bachelor's Degree in Computer Science
Sumy State University - Sumy, Ukraine
September 2023 - June 2027

Certifications & Courses

CS50 Web Programming with Python and JavaScript
Harvard University - October 2024

Selected Projects

E-Commerce Website
Built a fully functional e-commerce platform with responsive design, product browsing, shopping cart
functionality, and secure online payments.
Technologies: React, Next.js, TypeScript, Redux, Material-UI (MUI), SASS.
Weather Application
Developed a real-time weather app displaying temperature, humidity, wind speed, and forecasts with a clean
and intuitive interface.
 Olha Sierik | Front-End Developer

Technical Skills
JavaScript, TypeScript, HTML5, CSS3, SASS, React, Next.js, Node.js, NestJS, Express.js, Material-UI (MUI),
Bootstrap, GSAP, Three.js, MySQL, Git, Agile, REST APIs, Responsive Design, Performance Optimization,
Accessibility.

Languages
Ukrainian (Native)
English (Upper-Intermediate)

Contact Information
Location: Sumy, Ukraine
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
GitHub: github.com/SafariOl
Telegram: @sierik02