Mario Stipetic

UX/UI Product Design for Startups SaaS apps

Launching your product shouldn’t take months of guessing and rework. I help founders like you design beautiful, functional web and mobile apps that impress users from day one.
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Whether it’s your MVP, a new SaaS platform, or a mobile app, I design systems that scale as your product grows.

What do I do for startup founders

Modern web/mobile UI design

UX/UI Product Design

From concept to clickable prototype – clean, modern interfaces your users will love.

User-Centered research from Day One

I map out user flows, wireframes, and journeys to make sure your product solves real problems and delights your target audience.

Future-Proof Foundations

We design scalable UI systems that save time when adding features later—no messy redesigns needed as your startup grows.

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MVP & First Version Apps

Fast, iterative design to get you to market quickly and test your idea with real users.

Experience in Webflow, Frontend Development & Product Management

Need someone to design and code your Webflow page?  Or help code your frontend in React, Next.js, AWS? I can cover that too.

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Design App Stack

Tools and processes are always evolving, I am keen on using the best tool to save time.

What Client Say About Our Business

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Charles Zhang
CEO DONORBOX.ORG

"Mario is one of the best and most diligent  coworker that we've worked with. They have a pragmatic approach to implementing the latest design trends with careful attention to details."

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Bessie Cooper
Entrepreneur

"Mario has been working with us for a few months researching and designing prototypes. We saved a bunch of money and time just from his team's research alone!"

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Mike Azeroual
Entrepreneur

Mario is very professional and honest person . His work is very high level and precise .
Very much enjoying working with him.

I would love to hear about your current challenges

Send me an message

My Values

Things I believe are important in the way we live and work

Customer Centric

Understand your customer and build a long lasting relationship

Ethic First

Ethic improves your business reputation in the long run

Inclusive

Customers who feels included are more likely to be positively engaged

Innovation Driven

Foster competitive advantage and build better customer experience

High Standards

Top performers have higher overall standards compared to others

Always Improve

Life begins at the end of your comfort zone

Proven quality service

I help your brand create a quality customer experience

I save your time

By taking ownership and initiative, I save your time and energy

Agile and Lean

Always looking for the best tools and processes

Industry UX experts

12 years of UX UI experience, 20 years of professional design experience

I own the results

Every design should have some north star goal and metrics to track

Holistic UX/UI Product Designer

20 years in digital design, 12 years specializing in UX/UI and Product Design.

  • Psychology background
  • Marketing background
  • Business background
  • Product management exprience
  • Webflow experience
  • Frontend coding
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Read how Mario helped their client

Client stories

You will feel safe in the knowledge that I am experts in our field

We have a range of qualification and expertise in our profession. We are participants of various design and UX associations.

Location and Clients

I am based in Zurich, Switzerland, with clients in almost all major European and USA cities.

Contact Me

Please contact me here:

Send a Message