# Bartosz Kaszubowski

> Full Stack Developer / UI & UX Designer

Location: Gdansk Metropolitan Area, Poland
Profile: https://flows.cv/bartoszkaszubowski

Full Stack Developer & UI/UX Designer. 
React and React Native enthusiast. 
Open Source advocate & contributor.

## Work Experience
### Shareholder (former Lead Designer / Full-stack Developer) @ SentiOne
Jan 2011 – Present
UI / UX / DTP design, brand creation (Photoshop, Illustrator, InDesign), front-end coding (HTML/SASS/JS), web applications development in Play Framework (Scala), ReactJS, Grails and Vaadin (Java/Groovy) in Scrum/Kanban methodology.

### Software Engineer / UI & UX Designer @ Expo
Jan 2022 – Jan 2025 | Palo Alto, California, United States

### Software Engineer / UI & UX Designer @ Expo
Jan 2021 – Jan 2022 | Palo Alto, California, United States

### Full-stack Developer / UI & UX Designer @ Vizum Lab sp. z o.o.
Jan 2017 – Jan 2020 | Sopot, Pomeranian District, Poland
UI / UX design of mobile apps, web apps, printable materials, brand related design. Web dashboard and management front-ends (React JS / Redux / JS ES6 / SASS / HTML), mobile apps for iOS (React Native / Objective-C / Swift), backend services and workers based on Node (JS) developed in Scrum methodology.

### Full-stack Developer / UI & UX Designer @ invemax fund sp. z o. o.
Jan 2016 – Jan 2020
UI / UX design of mobile apps, web apps, printable materials, brand related design, merchandise design. Front-end coding (ReactJS / Redux / JS ES6 / HTML / SASS), full stack applications development in Play Framework (Scala) with Node, mobile app development in React Native and Native Android (Java) in Scrum methodology.

### Software Engineer / UI & UX Designer @ Elimi Sp. z o.o.
Jan 2013 – Jan 2019
UI / UX design and coding of iOS and Android apps. Code work in React Native, Objective-C, Swift and Java.

### Frontend Developer / Designer @ SalesLift
Jan 2014 – Jan 2016 | Palo Alto, Silicon Valley, California, United States
UI / UX / DTP design (Photoshop, Illustrator), front-end coding (HTML/SASS/JS), responsive web application (desktop & mobile) development in Play Framework (Scala) and React JS in Scrum methodology.

### Designer / PR Specialist @ FNCY fair Skimboards
Jan 2011 – Jan 2016 | Gdańsk Area, Poland
Products design, web designer, photographer and PR specialist.

### Frontend Developer @ EX3 Sp. z o.o.
Jan 2011 – Jan 2011
UI design (Photoshop), front-end coding (HTML/SASS/JS) and development of web applications in Grails (Java/Groovy) in Scrum methodology.

### Internship: Frontend Developer / Web Designer @ Freeconet Tlenofon S.A.
Jan 2010 – Jan 2010
Graphic Design (Photoshop, Illustrator) and Web Development (PHP, HTML, CSS, JS).

### Graphic Designer / Web Developer @ Dorkassa
Jan 2010 – Jan 2010
DTP design (Photoshop, Illustrator, Corel Draw), web design, web development (PHP, HTML, CSS, JS) in varius CMS based on PHP (WordPress, Joomla, Drupal).


## Education
### Engineer's degree in Computer Science
Gdańsk Management College


## Contact & Social
- LinkedIn: https://linkedin.com/in/bartoszkaszubowski
- Portfolio: http://simek.dev
- Portfolio: http://sentione.com
- GitHub: https://github.com/simek

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Source: https://flows.cv/bartoszkaszubowski
JSON Resume: https://flows.cv/bartoszkaszubowski/resume.json
Last updated: 2026-03-31