Senior React UI Engineer — AI-Driven Component Library

ITDS Polska Sp. z o.o.; Warszawa; Hybrid; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Medical Package

Multisport Program

Pluralsight

Flexible hours

Private medical care

Corporate gym

Coffee/Tea

Drinks

Birthday celebration

Job summary

ITDS Polska Sp. z o.o. in Warsaw is seeking a Senior React UI Engineer to join a client-facing team building an AI-integrated React component library for enterprise applications.

You will design, implement, and maintain scalable UI components aligned with our design system while ensuring accessibility and performance. This hybrid role offers collaboration with design and platform teams, opportunities to leverage Claude Code for smarter development, and growth through a portfolio of diverse

Qualifications

• 4+ years of frontend experience with React and TypeScript.
• Proven experience building UI components, design systems, or libraries at scale.
• Solid CSS-in-JS or similar styling approach.
• Familiar with WCAG and accessible component development.
• Hands-on knowledge of Claude Code or similar AI coding agents.
• Strong problem-solving and collaboration in hybrid environments.

Responsibilities

• Design, build, and maintain robust UI components aligned with the company’s design system and accessibility standards.
• Diagnose, fix, and optimize bugs across the component library and tooling ecosystem.
• Integrate and leverage AI coding agents (such as Claude Code) to enhance development workflows and contribute improvements to tooling and skill sets.
• Collaborate closely with design and platform teams to ensure components meet performance, WCAG, and usability benchmarks.
• Develop and deploy UI-related agent skills to automate and streamline development tasks.
• Improve tooling and development processes to support scalability and consistency across multiple projects.
• Evaluate and enhance AI-agent workflows, including prompts and guardrails, to facilitate more efficient code automation.

Skills

React

TypeScript

UI components

Design systems

Accessibility

CSS-in-JS

AI agents

Claude Code

Hybrid work

Tools

Claude Code

Job description

ITDS Polska Sp. z o.o. in Warsaw is seeking a Senior React UI Engineer to join a client-facing team building an AI-integrated React component library for enterprise applications.

You will design, implement, and maintain scalable UI components aligned with our design system while ensuring accessibility and performance. This hybrid role offers collaboration with design and platform teams, opportunities to leverage Claude Code for smarter development, and growth through a portfolio of diverse