Designing digital experiences that click and stick.

Hi, I'm Jan. I run HappyDesign, a product design studio that helps early-stage teams in AI, fintech, and Web3 turn bold ideas into sharp, intuitive products.

Hi, I'm Jan. I run HappyDesign,
a product design studio that helps early-stage teams in AI, fintech,
and Web3 turn bold ideas into sharp, intuitive products.

Available for new projects

Schedule call

Schedule call

Send message

Send message

Selected works

Pludo

Product Design, Web Design

Pludo

Product Design, Web Design

Askyoyo

Branding, Product Design

Askyoyo

Branding, Product Design

Focal

Product Design, Web Design

Focal

Product Design, Web Design

Services

From clean, high-impact interfaces to user experiences that feel effortless, I design digital products that not only look great but just make sense.

Product Design

Illustrations

Framer & Webflow

Brand Design

Presentations

Prototypes

Blog

How AI Is Changing App Interfaces

Design

How AI Is Changing App Interfaces

Design

The power of a good design narrative

Design

The power of a good design narrative

Design

Connect

Twitter / X

@happydesign_

Follow

Bento

janjaneczek

Follow

LinkedIn

janjaneczek

Follow

Contra

jan_janeczek

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Work with me

Have something in the works, a product, brand, or idea worth building? I’m currently taking on new projects, and I’d love to hear what you’re up to.

Schedule call

Schedule call

Send message

Send message

Smart design for bold ideas.

© 2025

Smart design for bold ideas.

© 2025

About

Work

Notes

Contact

About

Work

Notes

Contact