Location: Warsaw (hybrid) or remote from Poland

Requirements (must have):

• Advanced expertise in React, Hooks, TypeScript, and modern component-driven UI architectures
• Strong experience using Storybook for interactive, visual component development and testing in isolation
• Proficiency in Zustand for state management and TanStack Query for asynchronous data handling
• Hands-on experience with Next.js for building performant, SEO-friendly web applications
• Skilled in Styled Components, MUI, and scalable design system patterns
• Familiarity with form handling using Formik and schema-based validation with Zod or Yup
• Proficiency with Axios for data integration and HTML React Parser for content rendering
• Experience writing unit and integration tests with Vitest
• Awareness of accessibility and UI performance best practices
• Strong communication and collaboration skills, with a continuous learning mindset

Key Responsibilities:

• Design, develop, and test reusable UI components using React, Hooks, and TypeScript
• Develop and maintain visual components in isolation using Storybook for faster prototyping and design validation
• Build scalable features with Next.js, optimizing performance through SSR and SSG
• Manage state effectively with Zustand and use TanStack Query for efficient data handling
• Style components with Styled Components and MUI for a cohesive and accessible UX
• Ensure consistent standards with ESLint, Prettier, and best coding practices
• Implement form workflows with Formik and validate with Yup or Zod
• Integrate REST/GraphQL APIs using Axios with robust error handling and caching
• Write comprehensive unit and integration tests with Vitest
• Collaborate with developers and designers to translate mockups into accessible, high-quality components
• Contribute to code reviews and knowledge-sharing within the team
• Stay up to date with the latest advancements in React and TypeScript