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Senior UX Designer & UX Manager

I craft interfaces that speak your brand's language while solving real user problems. Higher engagement, stronger loyalty, and the conversions you need to grow.

About Me

I start by getting to the heart of what makes your business, diving into your requirements, analyzing your data, and understanding exactly what success looks like for you.

I'm all about connecting the dots between your business goals and smart design decisions. Before jumping into pretty interfaces, I make sure I know your metrics, market position, and where you want to grow.

This business-first approach helps me create digital experiences that don't just make users happy. They deliver real results you can measure. I turn complex challenges into simple, intuitive designs that look great and work even better. Partnering with you to build products that satisfy both your customers and your business.

Marta Siedlecka portrait

My Services

I offer comprehensive UX Design services to help businesses create exceptional digital experiences.

Stakeholder Workshops

I facilitate comprehensive stakeholder workshops to align your business goals with user needs, creating a strategic foundation for your digital product. My collaborative approach includes requirements mapping, priority matrices, business model canvassing, and ROI analysis.

Usability Audits

I perform thorough usability audits to identify friction points and improvement opportunities across your digital interfaces, maximizing user satisfaction and conversion rates. My evaluation framework includes heuristic analysis, accessibility compliance checks, conversion funnel optimization, and competitive benchmarking.

UX Design

I transform complex business processes into intuitive user flows that guide customers through your digital experiences, enhancing engagement and reducing cognitive load. My UX design approach visualizes entire journeys from entry points to conversion moments.

CRO Optimization

My CRO methodology combines quantitative analytics, qualitative user insights and behavioral psychology principles delivering validated interface improvements that reduce abandonment and optimize acquisition costs.

Accessibility

I implement comprehensive accessibility solutions that ensure your digital products comply with EAA Act requirements while expanding your market reach to the 15% of global users with disabilities. My accessibility strategy combines WCAG 2.1 AA conformance audits, assistive technology testing and inclusive design principles.

Development Optimization

I integrate established design systems like Ant Design, Material UI, and Bootstrap to accelerate development cycles while maintaining quality and brand consistency across your digital products. My approach combines ready-made component libraries with strategic customization, reducing time-to-market and development costs.

Companies I've Worked With

I'm proud to have collaborated with these industry-leading organizations.

Britenet

Roche

AllinMobile

Efigence

s360 Agency

Saatchi&Saatchi IS

Bonnier Business Polska

Konsultant IT

Edipresse Polska

Fundacja KIDS

I turn complex business problems into usable solutions

I craft user experiences based on deep behavioral insights and cognitive principles, creating interfaces that reduce friction and cognitive load while guiding users intuitively toward their goals

Get in Touch

Media & Publications

Explore my articles, blog posts, and podcast appearances where I share insights on UX design and digital experiences.

UX Po Godzinach logo
July 20, 2021

Dostępność - "Szewc bez butów chodzi"

UX Po Godzinach
Listen to Episode
Design Matters Podcast logo
July 25, 2021

Jak UX Design może wpłynąć na sukces projektu IT

Po prostu IT
Listen to Episode
AI-Driven Interfaces concept illustration
March 15, 2025

Digital transformation in insurance

Published on Britenet Blog
Read Article
Image Header
October 30, 2024

Zadbaj o intuicyjny interfejs webowy

Gazeta Ubezpieczeniowa
Read Article

Contact Me

Have a project in mind? I'd love to hear about it. Get in touch to start the conversation.

Location

Warsaw, Poland