Mid Frontend Engineer - Design Systems & Accessible UI

NTT DATA, Inc.; Castilla-La Mancha; On-site; EUR 32,000 - 52,000; Full time

Job summary

NTT DATA, Inc. is seeking a Mid-Level Frontend Developer to join a collaborative engineering team in Spain. You will build reusable React + TypeScript components, work with MUI, and contribute to design-system‑like projects.

You will participate in code reviews, write tests with Jest/RTL, and follow accessibility and performance standards while translating designs from Figma into front-end deliverables.

Qualifications

• 2-4 years of professional software development experience.
• Proficient in React and TypeScript.
• Experience with MUI or similar CSS-in-JS/theming.
• Collaborative work in a shared codebase with Git and code reviews.
• Automated testing with Jest and/or React Testing Library.

Responsibilities

• Build and maintain reusable, accessible React + MUI components, patterns, themes, and utilities.
• Write and maintain TypeScript component APIs following PRIME's conventions.
• Fix bugs, extend existing components, and implement new components from design specs (Figma) with guidance.
• Write and maintain automated tests (unit, integration, visual regression) for shared components.
• Participate in code reviews and follow accessibility, performance, versioning, and documentation standards.

Skills

React.js

TypeScript

MUI

CSS-in-JS

Git workflows

Jest

React Testing Library

Code review

Accessibility

Storybook

Tools

Figma

Job description

NTT DATA, Inc. is seeking a Mid-Level Frontend Developer to join a collaborative engineering team in Spain. You will build reusable React + TypeScript components, work with MUI, and contribute to design-system‑like projects.

You will participate in code reviews, write tests with Jest/RTL, and follow accessibility and performance standards while translating designs from Figma into front-end deliverables.