Damian Żółtowski - Software Engineer for React Native

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Wrocław, Poland

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Experience

Mar 2023 - Jul 2023

5 months

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.

Nov 2021 - Aug 2022

10 months

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.

Feb 2020 - Oct 2021

1 year 9 months

Wrocław, Poland

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.

Oct 2018 - Apr 2019

7 months

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.

Oct 2018 - Mar 2019

6 months

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.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Education.

Information Technology

Education

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, Logistics, Operations, and Marketing.

Information Technology

Product Development

Quality Assurance

Logistics

Operations

Marketing

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

Polish

Native

English

Advanced

Education

Feb 2022 - Jul 2023

Wroclaw University of Technology

Master of Science in Managerial Behavior and Decisions · Managerial Behavior and Decisions · Wrocław, Poland

Oct 2018 - Feb 2022

Wroclaw University of Technology

Bachelor of Science in Computer Science and Management · Computer Science and Management · Wrocław, Poland

Statistics

Experience

Total positions 5

Experience in Information Technology 3 y

Avg length 9 m

Longest experience 1 y 8 m

Global Experience

Countries worked in 1 (Poland)

Primary country Poland

Expertise

Recent roles Software Engineer, Java Developer, Full Stack Java Software Developer

Main industries Information Technology, Education

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Master

Profile

Created

August 2023

Last Update

August 2024

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Frequently asked questions

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Damian is based in Wrocław, Poland.

Damian speaks the following languages: Polish (Native), English (Advanced).

Damian has at least 3 years of experience. During this time, Damian has worked in at least 4 different roles and for 5 different companies. The average length of individual experience is 1 year and 8 months. Note that Damian may not have shared all experience and actually has more experience.

Based on recent experience, Damian would be well-suited for roles such as: Software Engineer, Java Developer, Full Stack Java Software Developer.

Damian's most recent position is Software Engineer at Product Brew.

In recent years, Damian has worked for Product Brew, ALTEN Polska – contractor for Motorola Solutions, and Oak Fusion.

Damian is most experienced in industries like Information Technology and Education.

Damian is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Damian also has some experience in Logistics, Operations, and Marketing.

Damian holds a Master in Managerial Behavior and Decisions from Wroclaw University of Technology and a Bachelor in Computer Science and Management from Wroclaw University of Technology.

Damian is immediately available for suitable projects.

Daily Rate Distribution

0 2 4 6 8

<€400 €400-800 €800-1200 €1200+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

600

450

300

150

Daily rate avg. 506 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

600

450

300

150

Median rate 480 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.