Krzysztof Marczewski
Senior Android Developer at Angry Nerds: Custom Software Development Company
Wrocław, Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKrzysztof Marczewski is a Senior Android Developer with 8 years of experience building multi-module Kotlin apps, crafting UIs in Jetpack Compose, and ensuring robust CI/CD with Azure DevOps and GitHub Actions. At Angry Nerds he mentors juniors, leads code reviews, and advises clients on implementation and UX, blending hands-on engineering with team leadership. His background includes converting legacy Java code to Kotlin, integrating analytics and APIs, and working across distributed Scrum teams. A lifelong developer who also runs selfformat.com, he focuses on continuous self-improvement for both code quality and personal growth. Unusually for a mobile engineer, his formal training in music and years as a guitar teacher and producer inform a creative, detail-oriented approach to UX and product polish.
8 years of coding experience
4 years of employment as a software developer
Licencjat (Lic.), Realizacja Nagłośnienia, Licencjat (Lic.), Realizacja Nagłośnienia at Akademia Muzyczna im. Karola Szymanowskiego w Katowicach
English, Polish
Github Skills (14)
adaptation9
bottomnavigationview9
jetpack7
kotlin-android7
compose7
kotlin-library7
jetpack-compose7
android-client7
kotlin7
android6
kotlin-multiplatform5
coroutines5
compose-web4
multiplatform4
Programming languages (1)
Github contributions (5)
SelfFormat/your-random-quotes
May 2020 - Nov 2020
Android client for displaying random quote on home screen via widget
Contributions:102 commits, 10 PRs, 55 pushes in 6 months
widgethome-screenandroidkotlinandroid-client
SelfFormat/dms
Feb 2019 - Jul 2023
Contributions:29 pushes, 1 branch in 4 years 6 months
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