About us – UX/UI design experts with experience

We're Daniel Aniszewski and Kasia Sitkowska – the founders of nextgen design. We’ve combined our experiences and passions to bring fresh perspective to every collaboration and create solutions that truly elevate the value of the digital world

Daniel:

I have over 20 years of experience in designing digital products and services. I've worked my way up through every stage of the design career – from freelance graphic designer, through UX/UI designer, to Head of Product Design, leading a team of designers at top tech and media companies (Wirtualna Polska, o2 Group).

Daniel Aniszewski

Co-Founder

daniel@nextgendesign.pl

What excites us most about design is focusing on real people and their needs. What drives us is teamwork. And we kinda like each other. Kinda :)

Kasia:

I’ve been creating digital products for over 15 years, mostly in large organizations (including Wirtualna Polska, Gemius, Puls Biznesu). I started with web development (both front-end and back-end), eventually focusing on Product Design. I’ve also shared my experience as a university lecturer at UKSW in Warsaw, where I earned a PhD in digital communication.

Kasia Sitkowska

Co-Founder

kasia@nextgendesign.pl

what makes usdifferent

experience in large-scale product design

We’ve designed products used daily by over 8 million users

support throughout long-term product development

We support every stage – from first concept and optimization to strategic pivots

data-driven and business-aware design

Our design decisions are based on data, user needs and business goals

a boutique team with end-to-end product skills

We think and design holistically – from strategy and UX/UI to content and omnichannel experience

collaboration tailored to your team and organization

We adapt to the way your company works – whether you're a startup, a software house or a large organization

ourvalues

At nextgen design, we believe great user experience is not a luxury –it's a standard every company deserves. We work with trust and dedication, because only then can we create solutions that actually work and deliver measurable results.

To us, collaboration means above all:

partnership

We create an atmosphere of mutual respect and trust, where every voice matters and contributes to shared success

honesty and openness

Direct communication and openness to feedback are essential for us. We’re not afraid to speak our minds – and always argue with respect and reason

a tailored approach

We don’t just listen – we understand. We engage fully in every challenge and deliver solutions that truly fit.

let’s create something
exceptional together

Briefly describe your challenge, and we’ll get in touch to figure out if and how we can help

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