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Front-End Developer - React/SCSS (Sass) @ SquareOne
  • Warsaw
Front-End Developer - React/SCSS (Sass) @ SquareOne
Warszawa, Warsaw, Masovian Voivodeship, Polska
SquareOne
21. 5. 2025
Informacje o stanowisku

Project Overview:

We are looking for an experienced Front-End Developer specializing in React to join a long-term project for a technology client. The role involves developing and maintaining a large-scale modular web application with a strong focus on scalability, performance, and adherence to modern UI standards. You will work as part of a senior technical team responsible for building advanced UI components and maintaining internal UI libraries.


  • 4+ years of professional experience in front-end development with a strong focus on React (in production environments),
  • Proficient in JavaScript, TypeScript, and SCSS (Sass),
  • Hands-on experience with Redux or other state management libraries,
  • Familiarity with tools and libraries such as Vite, Thunk, MUI, CSS Modules, Storybook – a strong advantage,
  • Solid understanding of front-end architecture principles, design patterns, and clean coding standards,
  • Experience in building scalable UI architecture and reusable component libraries,
  • Good command of English (minimum B2 level) – both spoken and written.

Project Overview:

We are looking for an experienced Front-End Developer specializing in React to join a long-term project for a technology client. The role involves developing and maintaining a large-scale modular web application with a strong focus on scalability, performance, and adherence to modern UI standards. You will work as part of a senior technical team responsible for building advanced UI components and maintaining internal UI libraries.

,[Develop and enhance a complex web application using React (preferably version 18+, version 19 is an advantage),, Design and implement UI components based on best practices and design patterns,, Build and maintain internal UI libraries,, Collaborate closely with back-end, UX/UI, and QA teams,, Participate in defining front-end architecture and development standards,, Implement state management solutions (Redux or similar),, Support documentation and UI component testing (e.g., Storybook, UI tests). Requirements: React, JavaScript, TypeScript, SCSS, Sass, Redux, CSS, Design Patterns, UI

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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