Senior UX Engineer - Platform UI & Design Systems

Relativity; Kraków; Hybrid; PLN 173,000 - 259,000; Full time

Benefits offered by this job

DTO

Parental leave

Equity program

Job summary

Relativity in Kraków is seeking a Senior UX Engineer - Engineering Platform to partner with Product and Engineering, shaping a core area of our ecosystem for hundreds of thousands of users.

You will apply Design Thinking to uncover user needs, lead iterative design exploration, and translate insights into practical UI solutions. Expect collaboration across Agile teams and ongoing evolution of our design system, Aero.

Qualifications

• Bachelor’s degree in Design, Human-Computer Interaction (HCI), or equivalent professional experience.
• 3–5+ years of experience as a Product Designer, UX Designer, Interaction Designer, or similar role.
• Strong portfolio demonstrating the ability to solve complex UX challenges and design intuitive, interactive interfaces within a large-scale product ecosystem.
• Demonstrated ability to turn user insights into actionable interface design decisions.
• Familiarity with UX implementation challenges across desktop applications and web environments.
• Proficiency in Figma, FigJam, and related design workflows.

Responsibilities

• Partner with Product and Engineering to define and drive the vision for a core area of the Relativity ecosystem, influencing the workflows of hundreds of thousands of users.
• Apply Design Thinking techniques to uncover user needs, validate business assumptions, and drive user-centered decision-making.
• Lead iterative exploration of design concepts, generating and refining ideas while balancing possibilities, constraints, and system-level considerations.
• Conduct user and stakeholder research to understand customer behaviors, expectations, and data-driven workflows, translating insights into actionable design recommendations.
• Create high-fidelity mockups and interactive prototypes to communicate solutions and support rapid iteration with internal and external stakeholders.
• Collaborate closely with engineering teams to deliver detailed specifications, support implementation, and validate solutions throughout Agile development cycles.
• Contribute to the evolution of Aero, Relativity’s design system, including the definition of visualization patterns and broader adoption across the organization.
• Explore opportunities to leverage AI-assisted design tools such as generative prototyping, automated accessibility checks, and intelligent layout suggestions to improve workflow efficiency and design quality.
• Collaborate with cross-functional teams to design experiences that incorporate AI-powered insights, automation, and data transformation workflows where applicable.

Skills

Design Systems

Information Architecture

Interaction Design

Prototyping

Responsive Layout

UX Research

Visual Design

Wireframing

Education

Bachelor’s degree in Design, HCI, or equivalent

Tools

Figma

FigJam

Job description

Relativity in Kraków is seeking a Senior UX Engineer - Engineering Platform to partner with Product and Engineering, shaping a core area of our ecosystem for hundreds of thousands of users.

You will apply Design Thinking to uncover user needs, lead iterative design exploration, and translate insights into practical UI solutions. Expect collaboration across Agile teams and ongoing evolution of our design system, Aero.