Achim Nierbeck
Delivery Manager Southwest at OPS4J.org
Karlsruhe, Baden-Württemberg, Germany
Summary
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SeniorAchim Nierbeck is a seasoned Delivery Manager and IT strategist based in Karlsruhe with over 20 years in IT and 15 years in senior roles, currently leading delivery and people operations for 24 consultants at codecentric AG. He blends hands-on engineering roots—longstanding Apache committer and OPS4J project lead working on notable projects like Apache Karaf and Pax Web—with commercial responsibility for regional P&L, key-account growth, and staffing across multiple locations. Known as a pragmatic troubleshooter, he mediates stakeholders, sets frameworks for quality delivery, and turns complex technical challenges into sustainable customer value. A persistent open-source contributor for more than a decade, he pairs deep backend and web-console development experience with strategic execution and team coaching.
15 years of coding experience
19 years of employment as a software developer
German, English
Stackoverflow
5,325reputation
276kreached
323answers
0questions
java
top-5%
osgi
top-1%
Github Skills (19)
javascript10
apache-karaf10
http10
java10
servlet10
javas10
osgi10
jetty10
tomcat9
web-development9
web-framework9
css8
json7
maven6
karaf6
Programming languages (12)
Github contributions (5)
ops4j/org.ops4j.pax.web
Sep 2010 - Jun 2020
OSGi R7 Http Service, Whiteboard and Web Applications (OSGi CMPN Release chapters 102, 140 and 128) implementation using Jetty 9, Tomcat 9 or Undertow 2.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 1863 commits, 51 PRs in 9 years 10 months
Contributions summary:Achim appears to be working on enhancements and bug fixes related to the OSGi R7 Http Service, specifically implementing features and addressing issues within the Jetty and Tomcat implementations. The commits indicate involvement in addressing dependency issues with Swissbox core, adding a filter for servlet processing, and contributing to the Tomcat component. The user is also improving the API by fixing problems and adding tests.
chaptersweb-applicationsundertowhttp3osgi
apache/karaf
Nov 2010 - Oct 2017
Mirror of Apache Karaf
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:192 commits, 2 comments in 6 years 11 months
Contributions summary:Achim primarily focused on enhancing the web console for Apache Karaf, addressing both features and admin web console aspects. The contributions involved modifying JavaScript code (admin.js, features.js) to match the look and feel of other web console plugins. Additionally, the user implemented a feature to deploy extra configuration files via the features mechanism, working with Java code in various files like JmxFeature.java, FeaturesServiceImpl.java and FeatureImpl.java and associated tooling.
osgiapachedatastreamapache-karafnetwork-server
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