Kostia Varhatiuk

Kostia Varhatiuk

Head of Product Design at Fireart

Passionate advocate for the good design of products and services, with a history of working in the various fields. Fully committed to delivering outstanding experiences and solving business needs.

Latest articles from Kostia Varhatiuk

user errors

Best Practices on Preventing User Errors

There are a number of UI design best practices where well-known digital products that we often produce are tested for user mistakes. However, real-life and interaction experiences do not always live up to our expectations: errors still may be an integral part of the design process. It’s essential to...

What’s a Design Sprint and Why is It Important?

What’s a Design Sprint and Why is It Important?

A design sprint is a five-day process for developing, creating, and testing ideas with customers in order to address important business questions. The entire procedure is quite exploratory, participatory, and user-centered. Let’s check on the design sprint process, its pros and cons, and the importa...

Product Design Perils: The Empty Space Trap

Product Design Perils: The Empty Space Trap

Do you feel something is missing in a product UI? In UX, we often emphasize the need for proper white space, but this does not necessarily mean using white or leaving blank pages. It’s possible to use a range of rich shadows in the project to bring your designs to life and utilize the empty sp...

UI and UX Trends

Latest UI UX Design Trends 2026

When examining the latest UI UX design trends 2026, one reality stands out: AI can now generate a pixel-perfect user interface in seconds. This has commoditized the production of visual UI, shifting the designer’s role from a maker of screens to an architect of trust. The most important UI/UX...