Kacha
About me
Katarzyna Stępień
I design digital experiences that connect people with technology in meaningful ways. I combine human insight, data and smart design to solve real problems.
Projects
2025
Favourite project
SiDLY Health
My favorite project so far - designing care that literally saves lives.
Check it out →
Experience
Dec 2023 – Present
UX UI Designer & Researcher /
SiDLY
Oct 2023 – Dec 2023
UX UI Design Intern /
SiDLY
Mar 2025 – May 2025
Chatbot Developer Intern /
Perfectbot
Education
Present
Computer Science /
Polish-Japanese Academy of Information Technology
Master’s Degree in Data Science
Present
Psychology & Computer Science /
SWPS University
UX UI Research & Design
Graduated September 2025
Computer Science /
Warsaw School of Computer Science
Information Resource Engineering - Data Science
Certificates
In progress
IBM Applied AI /
IBM
Apr 2025
Google UX Design /
See certificate ->
Jun 2023
CCNA: Switching, Routing, and Wireless Essentials
/
Cisco
See certificate ->
Skills
Design
Development
Tools
About me
Katarzyna Stępień
I design digital experiences that connect people with technology in meaningful ways. I combine human insight, data and smart design to solve real problems.
Projects
2025
Favourite project
SiDLY Health
My favorite project so far - designing care that literally saves lives.
Check it out →
Experience
Dec 2023 – Present
UX UI Designer & Researcher /
SiDLY
- Led the design of SiDLY Health, a mobile app tailored for elderly telecare users.
- Conducted in-depth UX research with seniors and paramedics to inform design decisions.
- Currently designing a caregiver-centric web platform to enhance day-to-day workflows.
Oct 2023 – Dec 2023
UX UI Design Intern /
SiDLY
- Conducted independent competitor analysis to inform strategic UX/UI enhancements.
- Supported R&D efforts by contributing design ideas and user insights.
- Created packaging designs and event roll-ups for SiDLY Vital Care product launch
- Assisted in launching and integrating new product features
Mar 2025 – May 2025
Chatbot Developer Intern /
Perfectbot
- Processed, cleaned, and analyzed conversational datasets for chatbot training.
- Tested and evaluated assistant behavior to ensure relevance, coherence, and tone.
- Supported chatbot development for international, multilingual clients.
- Analyzed conversation logs to identify failure patterns and enhance AI responses.
Education
Present
Computer Science /
Polish-Japanese Academy of Information Technology
Master’s Degree in Data Science
Present
Psychology & Computer Science /
SWPS University
UX UI Research & Design
Graduated September 2025
Computer Science /
Warsaw School of Computer Science
Information Resource Engineering - Data Science
Certificates
In progress
IBM Applied AI /
IBM
Apr 2025
Google UX Design /
See certificate ->
Jun 2023
CCNA: Switching, Routing, and Wireless Essentials
/
Cisco
See certificate ->
Skills
Design
User
Experience
Design
System
Web
Design
Mobile
Design
Wireframing
Prototyping
Testing
Development
OpenAI API
- Python
- TensorFlow
- PyTorch
n8n
Hugging Face Transformers
HTML
CSS
JS
- Git
- Databases
- Docker
Tools
Figma
UI Design, prototyping
Maze
Product research
Spline
3D design
Zeplin
Design workspace
Adobe
Graphic & Video Design
Rotato
Mockups
VS Code
Code editor
Xcode
iOS development
Notion
Project managment
About me
Katarzyna Stępień
I design digital experiences that connect people with technology in meaningful ways. I combine human insight, data and smart design to solve real problems.
Projects
2025
Favourite project
SiDLY Health
My favorite project so far - designing care that literally saves lives.
Check it out →
Experience
Dec 2023 – Present
UX UI Designer & Researcher /
SiDLY
- Led the design of SiDLY Health, a mobile app tailored for elderly telecare users.
- Conducted in-depth UX research with seniors and paramedics to inform design decisions.
- Currently designing a caregiver-centric web platform to enhance day-to-day workflows.
Oct 2023 – Dec 2023
UX UI Design Intern /
SiDLY
- Conducted independent competitor analysis to inform strategic UX/UI enhancements.
- Supported R&D efforts by contributing design ideas and user insights.
- Created packaging designs and event roll-ups for SiDLY Vital Care product launch
- Assisted in launching and integrating new product features
Mar 2025 – May 2025
Chatbot Developer Intern /
Perfectbot
- Processed, cleaned, and analyzed conversational datasets for chatbot training.
- Tested and evaluated assistant behavior to ensure relevance, coherence, and tone.
- Supported chatbot development for international, multilingual clients.
- Analyzed conversation logs to identify failure patterns and enhance AI responses.
Education
Present
Computer Science /
Polish-Japanese Academy of Information Technology
Master’s Degree in Data Science
Present
Psychology & Computer Science /
SWPS University
UX UI Research & Design
Graduated September 2025
Computer Science /
Warsaw School of Computer Science
Information Resource Engineering - Data Science
Certificates
In progress
IBM Applied AI /
IBM
Apr 2025
Google UX Design /
See certificate →
Jun 2023
CCNA: Switching, Routing, and Wireless Essentials
/
Cisco
See certificate →
Skills
Design
User
Experience
Design
System
Web
Design
Mobile
Design
Wireframing
Prototyping
Testing
Development
OpenAI API
- Python
- TensorFlow
- PyTorch
n8n
Hugging Face Transformers
HTML
CSS
JS
- Git
- Databases
- Docker
Tools
Figma
UI Design, prototyping
Maze
Product research
Spline
3D design
Zeplin
Design workspace
Adobe
Graphic & Video Design
Rotato
Mockups
VS Code
Code editor
Xcode
iOS development
Notion
Project managment