Senior UX Engineer: Accessible, AI‑Driven UI

Relativity; Poznań; 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. You will work 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.

In this role you will design, build, and refine user experiences across RelativityOne, help teams navigate complex UX challenges, and raise the quality bar by using

Qualifications

• 2–4 years of UX engineering or frontend experience.
• Experience building accessible, responsive React applications.
• Proficiency with HTML, CSS, JavaScript/TypeScript, and modern React development practices.
• Understanding of accessibility standards and inclusive design principles.
• Strong problem-solving, debugging, and communication skills.
• Experience participating in code reviews and cross-functional collaboration.
• Demonstrated ability to translate design intent into polished, production-ready user experiences.

Responsibilities

• Partner with Designers, Product Managers, and Engineers to create intuitive, accessible, and cohesive user experiences.
• Design, build, and refine React-based interfaces focusing on usability, accessibility, responsiveness, and consistency.
• Improve interaction quality across workflows, edge states, accessibility, and visual polish.
• Review and elevate AI-generated UI to ensure alignment with product, accessibility, and design system standards.
• Contribute reusable patterns and components that improve consistency and scalability across the platform.
• Identify and address UX issues through prototyping, implementation, testing, and iteration.
• Advocate for accessibility, usability, and experience quality throughout the product development lifecycle.
• Mentor and support teams on UX best practices, frontend craft, and AI-assisted UI development workflows.

Skills

React

Design systems

Accessibility

Usability

Prototyping

AI-assisted UI

Collaboration

UI Design

UX Research

Information Architecture

Job description

Relativity is seeking a UX Engineer to shape the quality, usability, and consistency of the RelativityOne experience. You will work 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.

In this role you will design, build, and refine user experiences across RelativityOne, help teams navigate complex UX challenges, and raise the quality bar by using