Dejan Devic Digital Designer, Graphic Artist and Web Developer

UI/UX Case Studies

Each project is approached as a complete UX journey — from identifying the problem and understanding user needs, to designing and refining solutions that create meaningful impact.

The focus is on crafting intuitive, visually engaging, and user-centered digital experiences across mobile applications, web dashboards, SaaS and cloud platforms, and gaming interfaces. Each case study showcases the full process — challenges faced, the reasoning behind design decisions, and measurable outcomes.

Every project begins with a deep understanding of the vision, target audience, and business objectives, transforming complex ideas into seamless user experiences that enhance usability and elevate brand perception. From wireframes and prototypes to polished, high-fidelity designs — every element serves a clear purpose, and every interaction feels effortless.

CryptoCreate Platform - NFT Marketplace

UI/UX Design, Wireframing, Prototyping, Logo Design, QT

Software: Figma, Adobe XD, Flinto, Adobe Photoshop

Description: CryptoCreate is an online platform created for finnish company Sumo App, which has its own cloud applications for creating multimedia content.

The idea is that through CryptoCreate, users who create their own NFT’s can also sell them on the platform. 

Responsibilities:

  • Logo design (including the CryptoCreate logo prior to project start)

  • Hi-Fi wireframing and user flow analysis

  • Creation of a larger set of wireframes covering multiple scenarios

  • UI design concepts exploring variations across minimum criteria

  • Responsive design solutions for mobile devices

SumoPaint - Digital Painting App

UI/UX Design, Wireframing, Prototyping

Software: Figma, Adobe XD, Adobe Photoshop

Description: SumoPaint is digital painting app. It has two versions or modes of operation – Traditional painting with classic paint brushes and Digital painting with digital brushes. This application is part of a set of other multimedia applications produced by the company Sumo.

It is a painting and drawing program that works in a browser and contains all the necessary functions for creative work.

Responsibilities:

Hi-Fi Wireframing UI Design Concept design, Responsive design for Desktop computers, Tablets & Mobile phones.

Several iterations were created in accordance with the requirements of the development team as well as user experiences from earlier versions of SumoPaint. Also, the optimization of the interface for mobile devices has been performed.

HS Credit - High School Application

UI/UX Design, Wireframing, Prototyping

Software: Figma, Adobe XD, Adobe Photoshop

Description: The application is intended for high schools in the USA.

It is a multimedia platform that allows students to share a variety of video and image content. Teachers can also communicate with students, send lectures to students. There are several types of users, each of which has its own type of platform in accordance with their functions.

Responsibilities:

Logo Design, Lo-Fi & Hi-Fi Wireframing, User Flow Analytics, Mobile UI Design Concepts, UI Design for App Promo Page.

The project began with the design of the original HS Credit logo.

A series of wireframes were then created to accommodate different user types within the application. For each user type, a dedicated user flow analysis was developed through wireframes.

The user types include Administrator, Student, Teacher, Credit Expert, and Stakeholder.

All user interface screens were subsequently designed, along with a landing page for the application.

SumoCam - Photo FX App

Mobile UI Design, Prototyping, Flinto, Graphic Design

Software: Figma, Adobe XD, Adobe Photoshop

Description: SumoCam is an application for improving the photos taken on a mobile phone. By adding the finished effects that are in the database of the application to the existing photo, the final result is obtained, which can be exported directly to social networks or saved in the phone.

Responsibilities:

Mobile UI Design Concept, Screen Transition Animation, Graphic Elements Design in Photoshop.

After several iterations of UI design, the client opted for this look. Around 30 screens with different application functions were created.

Assima Mall in Dubai - Mobile App & Website

Mobile UI Design, Prototyping, Flinto, Graphic Design

Software: Figma, Adobe XD, Adobe Photoshop

Description: The project was realized in two parts – website and mobile application. The client needed applications with the possibility of online shopping, easy finding information about the contents in the shopping mall or parking reservation.

Two versions of the application were realized in dark mode and light mode. The second part of the project was a website and it is designed after the application.

Responsibilities:

The first task was to improve the design of the existing website. The second task involved creating a mobile app design with an intuitive interface and easily accessible content.

The client provided extensive information and specific requirements that needed to be concisely organized into a user-friendly application.

PatentSight - Innovation Research Platform

UI/UX Design, Wireframing, Prototyping, Graphic Design

Software: Adobe XD, Adobe Photoshop

Description: This is a complex online research system. It is in itself a huge database of innovations throughout history.

The application is intended for scientists or companies, which, if they have a product, can use research to determine the degree of originality of their invention or patent, or to determine if there is a competing product or company.

Responsibilities:

The main goal was to improve the existing interface, which was outdated, chaotic, and not user-friendly. The hierarchy of elements within the application needed enhancement, and CTA elements required stronger visual emphasis for better user focus.