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Samantha Siomkos

@samanthasiomkos

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Lead product designer blending UX research, accessible enterprise design, and front-end engineering.

United States

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What I'm looking for

I seek a product-design role where I can lead enterprise UX, build scalable design systems, mentor teams, and drive accessible, research-led solutions.

I am a Lead Product Designer with deep experience designing enterprise platforms and mentoring teams. I lead cross-functional work, owning end-to-end product design from research through developer handoff for large-scale systems.

I've driven measurable improvements in usability and adoption, including redesigning complex workflows and consolidating fragmented processes into a unified portal with strong usability scores and global stakeholder buy-in.

My background combines front-end engineering and product design, enabling tight collaboration with engineers and the creation of component libraries and responsive, accessible patterns that scale.

I prioritize accessibility, design systems, and practical UX processes, and I enjoy mentoring junior designers while partnering with stakeholders to align design strategy with business goals.

Password protected portfolio available upon request.

Experience

Work history, roles, and key accomplishments

Current

Lead Product Designer

Current

UBS

Jan 2024 - Present (1 year 9 months)

Lead Product Designer for a global team, owning full product design cycle and redesigning enterprise workflows for 110,000+ employees; drove consolidated portal unifying 21 processes and achieved usability scores of 83–86% with strong stakeholder adoption.

User Research Figma Prototyping Information Architecture Accessibility Design Systems Stakeholder Management Responsive Design

Product Designer / UX Engineer

Credit Suisse

Nov 2018 - Jan 2024 (5 years 2 months)

Drove user-centered design for enterprise systems, introduced usability testing and structured UX processes, and partnered with stakeholders to align design strategy with business goals across global platforms.

Figma Usability Testing Wireframing Prototyping Accessibility UX Research Cross Functional Collaboration

Front-End Developer

Credit Suisse

Jul 2017 - Nov 2018 (1 year 4 months)

Built responsive web interfaces and reusable React components for internal financial applications, implemented WCAG accessibility standards, and collaborated with stakeholders to deliver user-focused features.