Sven Jacobs
Expert Mobile Developer at REWE digital
Rhineland-Palatinate, Germany
Summary
👤
Senior🎓
Top SchoolSven Jacobs is an expert mobile developer with 15+ years of professional Android and full-stack mobile experience and a software development background dating back to 2001. Based in Rhineland-Palatinate, Germany, he has driven Android apps and mobile backends for REWE digital and other clients, focusing recent years on Kotlin and modern, responsive web technologies. A Sun-certified Java programmer, he brings a strong engineering discipline—elegant, tested and modular code—paired with hands-on contribution to notable open-source projects like Jetpack Compose’s accompanist (improving WebView header handling) and the popular logger library. Sven combines deep legacy knowledge across languages and platforms with continual learning, and he balances that technical rigor with practical UX-focused results across retail and enterprise domains. Outside work he stays active in sports and music, which he credits for keeping his problem-solving energy sharp.
15 years of coding experience
21 years of employment as a software developer
IT specialist software development Information Technology, IT specialist software development Information Technology at Heinrich-Hertz-Berufskolleg der Stadt Bonn
German, English
Stackoverflow
6,555reputation
306kreached
28answers
24questions
github
top-1%
gwt
top-5%
Github Skills (25)
kotlin10
webview10
bootstrap10
github10
annotations10
css10
gwt10
logger10
ui-design10
java10
javas10
uid10
front-end-development10
android10
html10
Programming languages (19)
Github contributions (5)
gwtbootstrap3/gwtbootstrap3
Aug 2013 - Feb 2015
GWT wrapper for the Bootstrap front-end framework
Role in this project:
Front-end Developer
Front-end DeveloperContributions:162 commits, 4 pushes, 1 tag in 1 year 6 months
Contributions summary:Sven primarily contributed to the implementation of GWT Bootstrap 3 components, which involved modifying and creating Java files related to UI elements like CheckBox, Radio, Input, and other form-related components. They updated the project to Bootstrap 3.0.3 final and upgraded its supporting Javascript. They also worked on implementing and enhancing the visual aspects of the UI by introducing features like Icon and SubText, and making adjustments to the navbar and image displays.
bootstrap4front-endbootstrapgwtfront-end-framework
orhanobut/logger
Feb 2018 - Mar 2018
✔️ Simple, pretty and powerful logger for android
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:7 commits, 1 PR, 8 comments in 15 days
Contributions summary:Sven primarily contributed to the `logger` library by adding support for Android-specific annotations and improving code quality. Their work involved integrating `@NonNull` and `@Nullable` annotations for better code safety and Android compatibility. The commits also included adjustments to formatting, fixing checkstyle issues, and minor test adjustments.
json-loggingloggerandroidloggingtimber
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