Damian Żółtowski
Software Engineer
Experience
Software Engineer
Product Brew
- Migrated the entire project from React Navigation to the new Expo Router.
- Responsible for new designs and their implementation on both mobile and web versions of the app to make it more user-friendly and readable.
- Optimized page performance, raising the Lighthouse score from 53 to 84.
- Refactored code and fixed multiple bugs, improving code readability and product stability.
- Integrated the mobile app with an authentication API to allow users to sign in and create accounts.
Java Developer
ALTEN Polska – contractor for Motorola Solutions
- Implemented a new build process for the product, reducing build time by 40%.
- Set up various Jenkins pipelines to help developers test the product.
- Refactored code to improve its readability and product stability.
- Eliminated multiple bugs in the first months through extensive debugging and unit and integration testing.
Full Stack Java Software Developer
Oak Fusion
- Responsible for developing an app that enables online training with professionals.
- Led a team of 3 developers, reviewed their code, and taught them how to improve its quality.
- Designed and implemented UI for clients using Angular TS, allowing them to use custom subdomains for online training.
- Translated websites and created registration and login UI and logic using Spring Security, making the app usable worldwide.
- Redesigned multiple UI views from a business and UX perspective to simplify system usage.
Event Organizer
Student’s Union of Wroclaw University of Technology
- Organized a karaoke event for over 60 students. Rented the venue, arranged transport, food, and prizes worth about 300 PLN for the singing contest.
- Helped new students feel comfortable at the university by showing them around the campus and organizing the 'I Love PWR' event, which attracted nearly 200 participants.
Event Organizer
Students Organisation - BEST Wroclaw
- Organized events for students from across Poland with a team of 12, including the engineering competition EBEC, which more than 150 people attended.
- Secured 8 sponsors for the event, covering prizes totaling 2800 PLN for the League of Legends tournament winners.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (3 years) and Education (2 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (3 years), Product Development (3 years), Quality Assurance (1 year), Logistics (0.5 years), Operations (0.5 years), and Marketing (0.5 years).
Skills
- Programming Languages: Java, Javascript, Typescript, Python, Sql, Bash
- Frameworks & Technologies: Html, Css, Scss, Docker, Jenkins, Gradle, Sanity, Tailwind, Next.js, React, React Native, Expo
- Tools: Git, Github, Gitlab, Bitbucket, Intellij Idea, Vs Code, Jira, Linux
Languages
Education
Wroclaw University of Technology
Master of Science in Managerial Behavior and Decisions · Managerial Behavior and Decisions · Wrocław, Poland
Wroclaw University of Technology
Bachelor of Science in Computer Science and Management · Computer Science and Management · Wrocław, Poland
Profile
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