UI Frontend Engineer (React + TS) - Design System & Modern Stack

Scaleworks; Kraków; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Development fund 3k PLN per year per头

Job summary

eSkill Corporation seeks a talented UI Engineer to migrate our legacy front-end to a modern stack (TypeScript, Vite, Storybook) and contribute to new product features. We already built a design system based on shadcn, with React, TypeScript, and PNPM, aiming for a consistent, accessible UI across projects.

You will collaborate with design, product, and backend teams to deliver end-to-end UI slices per sprint, write tests, and improve performance and security patterns across codebases.

Qualifications

• 4+ years of professional front-end development experience.
• Outstanding UI skills with accessible, performant interfaces.
• Strong knowledge of TypeScript/JavaScript, React, Webpack/Vite, eslint/prettier, pnpm.
• Solid web security, performance, and accessibility practices.
• Experience with TanStack (Table, Query) and TailwindCSS.
• Experience building and maintaining in-house libraries/workspaces (Design System).
• Exposure to CI/CD pipelines and build processes.

Responsibilities

• Own design system (Shadcn + Radix), collaborate with design team.
• Improve and update user interface across multiple codebases.
• Build new UI features in React + TypeScript with clean, maintainable code.
• Pair with backend, Product, and Design to deliver end-to-end slices in each sprint.
• Write unit and integration tests (React Testing Library, Playwright).

Skills

Front-end development

UI design

TypeScript/JavaScript

React

Vite

Storybook

pnpm

Web security

Web performance

Accessibility

TanStack

TailwindCSS

Design System

CI/CD

Tools

React

TypeScript

Webpack

Vite

eslint

prettier

pnpm

Storybook

Job description

eSkill Corporation seeks a talented UI Engineer to migrate our legacy front-end to a modern stack (TypeScript, Vite, Storybook) and contribute to new product features. We already built a design system based on shadcn, with React, TypeScript, and PNPM, aiming for a consistent, accessible UI across projects.

You will collaborate with design, product, and backend teams to deliver end-to-end UI slices per sprint, write tests, and improve performance and security patterns across codebases.