Lead UX Engineer: React, Accessibility & AI UI

Relativity; Łódź; Hybrid; PLN 225,000 - 337,000; Full time

Job summary

Relativity is seeking a UX Engineer to shape the quality, usability, and consistency of the RelativityOne experience. UX Engineers operate at the intersection of design and engineering, partnering with Designers, Product Managers, and Full-stack Engineers to transform user needs into intuitive, accessible, and responsive experiences.

You will design, build, and refine user experiences across RelativityOne, helping teams navigate complex UX challenges and raise the quality bar of our product.

Qualifications

• 2-4 years in UX engineering or frontend engineering.
• Experience building accessible, responsive React apps.
• Proficiency with HTML, CSS, JavaScript/TypeScript, and modern React practices.
• Knowledge of accessibility standards and inclusive design.

Responsibilities

• Partner with Designers, PMs, and Engineers to create accessible user experiences.
• Design, build, and refine React-based interfaces with usability and accessibility focus.
• Improve interaction quality through workflows, edge states, and visual polish.
• Review AI-generated UI for alignment with design system standards.
• Contribute reusable patterns and components for consistency and scalability.
• Identify UX issues via prototyping, implementation, testing, and iteration.
• Advocate for accessibility and experience quality throughout development.
• Mentor teams on UX best practices and AI-assisted UI workflows.

Skills

React

Accessibility

Design systems

UX

Tools

HTML

CSS

JavaScript/TypeScript

Design Tools

Job description

Relativity is seeking a UX Engineer to shape the quality, usability, and consistency of the RelativityOne experience. UX Engineers operate at the intersection of design and engineering, partnering with Designers, Product Managers, and Full-stack Engineers to transform user needs into intuitive, accessible, and responsive experiences.

You will design, build, and refine user experiences across RelativityOne, helping teams navigate complex UX challenges and raise the quality bar of our product.