Mateusz Zając
Frontend developer (React, TypeScript)
Krakow (remote) · +48 123 456 789 · mateusz.zajac@example.com · github.com/example-dev · example-dev.pl
Professional profile
Frontend developer with 5 years of experience building web applications in React and TypeScript. I work on online shops and admin panels and look after performance, accessibility and tests. I work with designers and the backend team, do code reviews and onboard junior developers.
Work experience
Frontend developer (mid/senior)
02.2022 - presentProduct company, e-commerce platform, Krakow
- Developing an online shop in React, TypeScript and Next.js with about 2 million visits a month.
- Improved Largest Contentful Paint from 3.8 s to 1.9 s on product pages.
- A component library meeting WCAG 2.1 AA, used by 4 teams.
- Unit and end-to-end tests (Jest, Playwright) covering the critical checkout paths.
- Code reviews and mentoring two juniors.
Junior frontend developer
07.2020 – 01.2022Software house, Krakow
- Admin panels for clients in React and Redux.
- REST API integration and form handling.
- Responsive views based on Figma designs.
Education
Engineer's degree, computer science
2016 – 2020AGH University of Krakow
Skills
- JavaScript, TypeScript
- React, Next.js
- HTML, CSS, Tailwind
- Testing: Jest, Testing Library, Playwright
- Performance and Core Web Vitals
- Accessibility (WCAG), Git, CI/CD
Courses
- Web application accessibility course, 2023
Languages
- English: C1
Additional information
- Open source project: a form components library (link in the portfolio)
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