Mathias Paluszkiewicz

UI/UX Designer with experience contributing to large-scale digital systems within complex enterprise environments. Background in frontend development across implementation, testing, and UX-focused responsibilities provides a holistic understanding of how interaction decisions impact architecture, data, and delivery. Focused on accessibility (WCAG 2.x), design systems, and refining structured, human-centered experiences at scale.

My professional experience

FRONTEND DEVELOPER / UX ENGINEER

EPAM Systems, Kraków, Poland / London, UK

Contributed to a Tier 0 internal financial platform (under NDA), evolving from frontend development into UX-focused and systems-level responsibilities within a high-security, multi-role product environment.

Phase 1 – Frontend & Acting UX

Delivered frontend features within a structured design system, ensuring accessibility and interaction consistency across complex workflows.
Supported UX execution through wireframing, flow refinement, and prototype updates.
Led stakeholder demos and maintained UX continuity during design transitions.
Contributed usability improvements based on interview findings and workflow observations.

Phase 2 – UX & Systems-Level Contribution

Conducted database and workflow analysis during platform migration, identifying structural inefficiencies affecting user behaviour.
Contributed to the design of role-based visibility models balancing usability with governance and security requirements.
Mapped complex user flows to support architectural restructuring and migration strategy.
Created low-fidelity prototypes and interaction models to support discussions between UX, engineering, and architecture teams.
Balanced usability improvements with enterprise-level scalability and compliance constraints.

GRAPHIC DESIGNER

Ragnarok Studio, Krakow, Poland

Produced print-ready digital and physical assets, including brochures, banners, and promotional materials, based on client requirements and brand guidelines.

Applied visual hierarchy, composition, and typography principles to ensure clarity and print quality.
Delivered hand-drawn illustrations used in client materials, supporting visual identity and differentiation.