Остап

Ostap Kozak
Lviv, Ukraine
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Portfolio: https://www.figma.com/desi
Middle UI/UX Designer LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @ostapkozak
Remote, office work, full time

Experience Skills
Middle UI/UX Designer Design
KodiX (NDA Projects)
User Experience (UX )

June 2024 – Present User Interface Design

Driving the full-cycle UI/UX design for a diverse portfolio of User Research & Testing

international and local clients. My expertise spans across SaaS, E- Prototyping, Wireframing

commerce, EdTech, MedTech, and Mobile domains. I specialize in Design Systems & Auto Layout

translating complex business requirements into intuitive interfaces Information Architecture

—from high-load marketplaces to health monitoring applications—
Responsive Web Design

while utilizing Generative AI to optimize the design workflow.

Mobile Design (iOS/Android)
Key Achievements:

Mobile Applications (MedTech & Productivity):
Domains
Designed the UX/UI for a Health Monitoring App, creating SaaS & CRM System s

clear visualizations for vital health metrics and ensuring
E-commerce & Marketplaces

accessibility.

EdTech Platforms

Developed a Time Tracking Mobile App, focusing on gesture- MedTech & Healthcare

based navigation and daily statistics dashboards for personal Corporate Websites
productivity.

E-Commerce & B2B Marketplaces:

Tools
Designed a high-load B2B marketplace for a US-based
hardware manufacturer, optimizing search filters for F igma

thousands of technical components and streamlining the Adobe Photoshop

bulk checkout flow.

Adobe Illustrator

Developed conversion-focused layouts for various online Generative AI (Midjourney,
stores, balancing aesthetic appeal with sales performance.
ChatGPT)

Jira / Notion
EdTech & Learning Platforms:

Built a comprehensive Learning Management System (LMS)
for a local educational institution, featuring student progress Soft skills
tracking, interactive curriculum layouts, and teacher
administration panels.
Communication skill s

Creativity

SaaS, CRM & Corporate Solutions:

Critical thinking

Designed scalable CRM systems and dashboards for Time management

Logistics (global tracking maps) and Real Estate (UAE market Teamwork

analysis), transforming heavy data sets into readable,
Adaptability
decision-driving interfaces.

Created corporate websites focused on service ordering and
lead generation.

Education
Junior UI/UX Designer
Obre (NDA Projects)
Ukrainian Academy of
May 2024 – Present Printing
Focused on the end-to-end product design of the company’s
Bachelor’s in Computer Science

internal ecosystem, comprising a complex CRM system and a
Lviv, Sep 2020 — Jun 2024
feature-rich mobile application. My role involves solving intricate
UX challenges related to third-party service integrations and
implementing AI-driven interfaces to enhance user automation.

Lviv Pol technic National
y

Key Achievements:

Universit y

Complex CRM Integrations: Designed the interface and user Master’s in Computer Science

flows for a corporate CRM that aggregates data from multiple Lviv, Sep 2024 — Dec 2025
external platforms. Solved UX challenges related to data
mapping and synchronization status visualization.

Shendrikov Education
AI-Powered Mobile Features: Integrated Artificial Intelligence
capabilities into the mobile application, designing intuitive UI/UX Design

interactions for AI prompts, automated suggestions, and smart Lviv, Dec 2023 — Apr 2024
data analysis.

Languages
Seamless Ecosystem: Created a unified experience across
mobile and web platforms, ensuring that complex integrations
remain user-friendly and accessible for internal teams.

Technical Collaboration: Worked closely with backend
developers to understand API limitations and design scalable UI English
solutions for a highly integrated environment.
Pre-Intermediate - Intermediate

Junior UI/UX Designer
Startup Ukrainian
April 2024 - May 2024 N ative

Marketplace of online assistants
Designed a user-friendly and intuitive interface for a platform
connecting clients with online assistants, primarily for business
use. The work included UX research, user flow creation,
wireframing, and UI design for key screens such as registration,
login, password recovery, and the user dashboard.

Key Achievements:

Modern Design: Delivered a visually appealing and easy-to-use
interface that received positive user feedback.

Enhanced User Experience: Improved navigation and layout led
to longer average session durations.

Increased Conversions: Clear and logical user flows contributed
to a higher number of assistant bookings and overall user
engagement.

Junior UI/UX Designer
Freelance
December 2023 – April 2024

Project 1: Travel Landing Page
A sleek and engaging landing page was created to highlight travel
experiences in Japan, China, and Korea.

Positive user feedback on visual design and navigation

Reduced bounce rate and increased average session duration

Boosted user engagement and interaction rates

Project 2: Apple Product Online Store
A premium e-commerce site designed for selling Apple products,
focused on elegant visuals and smooth UX.

Elegant, minimalist interface praised by users

Improved bounce rate and increased time on site

Enhanced conversion rate due to intuitive layout