Ryszard Wiśniewski
Software Engineer at Box
Warsaw, Masovian Voivodeship, Poland
Summary
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SeniorRyszard Wiśniewski is a seasoned software engineer with 16 years of experience building backend systems across the JVM ecosystem and shipping frontend solutions for web, Android and desktop. Currently at Box, he combines deep Java and Kotlin expertise with practical security and reverse-engineering skills honed at Samsung and security consultancies. Creator of the widely used apktool, he brings rare firsthand knowledge of Android internals and tooling alongside modern stacks like Ktor, GraphQL, Protocol Buffers and Docker. He prefers breaking problems into small parts to understand systems thoroughly, and his journey from Java to Python and finally Kotlin reflects a pragmatic, language-agnostic approach to engineering. Based in Warsaw, he pairs applied research instincts with a track record of delivering customer-facing tools and internal platforms.
16 years of coding experience
13 years of employment as a software developer
Polish, English
Stackoverflow
25,168reputation
716kreached
612answers
5questions
android-layout
top-1%
xml
top-1%
generics
top-5%
java
top-5%
android-jetpack-compose
top-5%
android
top-1%
Github Skills (53)
kotlin10
kotlin-coroutines10
android-apk10
apk10
android10
xml10
android-layout10
static-analysis9
static-code-analysis9
java9
conventions9
android-jetpack-compose9
reverse-engineering9
coroutines9
generics9
Programming languages (4)
Github contributions (5)
broo2s/brut.apktool
Mar 2010 - Jun 2013
Contributions:342 commits in 3 years 3 months
android-apkapkandroidkotlinengineering
broo2s/brut.apktool.smali
Sep 2010 - May 2011
Contributions:14 commits in 7 months
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