©Code by Petar Petrović
Design & development

UX Research & UI Design

I research how people use digital products, find where the experience breaks down and design interfaces that make complex systems easier to understand and use. From UX research and product structure to UI design, prototypes and scalable design systems.

What I help solve

UX Research

Products that have grown over time and become difficult to navigate, with features, roles and workflows spread across disconnected areas.

Friction in Key User Journeys

Onboarding, checkout, search, account setup and other important flows where unnecessary steps or unclear decisions prevent users from completing the task.

Inconsistent Interfaces

Products where different teams, features or platforms have introduced competing patterns, components and interaction logic.

Products That No Longer Scale

Interfaces built around one-off screens and decisions that make it increasingly difficult for product and engineering teams to add new features consistently.

My capabilities

UX Research

I study users, product behavior and existing data to understand where the experience creates friction and what needs to change.

UX Strategy

I turn research into clear product priorities, defining which journeys, audiences and problems should be addressed first.

Information Architecture

I organize navigation, content and product areas into a structure that feels predictable and easy to understand.

User Flows

I map the steps, decisions and possible failure points behind important tasks before moving into detailed interface design.

Wireframing

I define hierarchy, functionality and screen structure early, when changes are still fast and inexpensive to make.

UI Design

I turn product logic into a clear visual system covering typography, hierarchy, components, states and responsive behavior.

Prototyping

I create interactive prototypes to test important journeys, demonstrate complex interactions and align the team before development.

Usability Testing

I test how real users understand the experience and use the findings to refine flows, terminology and interaction patterns.

Design Systems

I create reusable components, rules and patterns that help design and engineering teams keep the product consistent as it grows.

Typical UX/UI timelines

UX audit & focused research

1.5–4

Weeks

Critical journey redesign

3–6

Weeks

Complex platform or design system

2–6

Months

Complete product UX/UI

6–16

Weeks

The timeline depends much more on product complexity than on the number of screens. User roles, workflows, research requirements, platforms, prototype depth and the size of the design system can all have a greater impact on the schedule.

Personal concept / 01

Behind the concept

Tools
Type of workIndependent concept · 2026
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