Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Katarzyna Polakowska, a frontend React developer with over seven years of hands-on experience in building web applications and a decade in IT. I'm hardworking, client-oriented, and I love delivering clear, maintainable code and UX-friendly interfaces. I enjoy exploring modern solutions and continuously developing my skills, currently practicing Node/Express.js to broaden my backend capabilities and contribute to full-stack projects.…I'm Katarzyna Polakowska, a frontend React developer with over seven years of hands-on experience in building web applications and a decade in IT. I'm hardworking, client-oriented, and I love delivering clear, maintainable code and UX-friendly interfaces. I enjoy exploring modern solutions and continuously developing my skills, currently practicing Node/Express.js to broaden my backend capabilities and contribute to full-stack projects.

Katarzyna Polakowska

Front-End Developer, Web Developer, Full Stack Developer, +4





I'm Katarzyna Polakowska, a frontend React developer with over seven years of hands-on experience in building web applications and a decade in IT. I'm hardworking, client-oriented, and I love delivering clear, maintainable code and UX-friendly interfaces. I enjoy exploring modern solutions and continuously developing my skills, currently practicing Node/Express.js to broaden my backend capabilities and contribute to full-stack projects.…I'm Katarzyna Polakowska, a frontend React developer with over seven years of hands-on experience in building web applications and a decade in IT. I'm hardworking, client-oriented, and I love delivering clear, maintainable code and UX-friendly interfaces. I enjoy exploring modern solutions and continuously developing my skills, currently practicing Node/Express.js to broaden my backend capabilities and contribute to full-stack projects.

Available to hire

I’m Katarzyna Polakowska, a frontend React developer with over seven years of hands-on experience in building web applications and a decade in IT. I’m hardworking, client-oriented, and I love delivering clear, maintainable code and UX-friendly interfaces.

I enjoy exploring modern solutions and continuously developing my skills, currently practicing Node/Express.js to broaden my backend capabilities and contribute to full-stack projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

Principal Frontend Developer at PegaSystems Sp z o.o.

February 1, 2025 - Present

Creation and team development of AI-powered app using React, aligned with Figma designs and Product Owners' vision. Stack: React.js, React Context, Redux, GitLab.

Frontend React Developer at Lingaro Sp z o.o.

March 1, 2021 - September 1, 2024

Creation and development of different projects using React. Ensuring UI features meet client expectations, standards and design guidelines. Development and maintenance of a large React-based project.

Frontend Developer at Two Up Digital

August 1, 2018 - January 1, 2021

Creation and development of different projects using React. Collaboration with other developers, backend team and testers. Development and maintenance of a large React-based project.

Web Designer and Webmaster at CC Center

May 1, 2014 - June 1, 2017

Creating and designing websites, responsible for UI/UX, Responsive Web Design, administering pages content, handling SEO optimization. Websites were based mainly on Joomla CMS.

Web Designer and Webmaster at CC Center

October 1, 2011 - July 1, 2012

Web design and maintenance for multiple projects; early career role.