Michael Pollmeier
Principal Software Engineer at Harness
Detmold, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolMichael Pollmeier is a Principal Software Engineer with 14 years of experience building scalable, maintainable backend systems and leading engineering teams across startups and enterprise clients from Detmold, Germany. He has deep expertise in Scala, graph databases and build tooling, having led the Gremlin-Scala project and contributed backend improvements to high-profile open-source projects like the Scala 3 compiler and Apache TinkerPop. His work spans architecting CI/CD pipelines, zero-downtime delivery and dependency/build migrations—skills honed while growing teams and platforms at Movio, Springdom and Qwiet AI. Known for pragmatic engineering, he focuses on code quality, refactoring and developer ergonomics (for example improving REPL behavior in Scala 3 and modernizing build configs for Joern). He combines hands-on coding with community leadership—blogging, giving talks and stewarding open-source collaborations—while bringing a security and integration mindset from earlier enterprise roles. Colleagues value him for translating complex system requirements into practical, production-ready solutions.
14 years of coding experience
21 years of employment as a software developer
Diploma Information Sciences for Business, Diploma Information Sciences for Business at Fachhochschule für die Wirtschaft Paderborn
English, German, Spanish, French
Stackoverflow
1,380reputation
118kreached
28answers
10questions
Github Skills (30)
unit-testing10
dependency-management10
admin10
nosql10
orientdb10
databases10
sbt10
database-administration10
graph-database10
java10
scala10
javas10
dotty10
compiler-compiler10
repr10
Programming languages (17)
Github contributions (5)
joernio/joern
May 2019 - Jan 2023
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
Role in this project:
Back-end Developer
Back-end DeveloperContributions:579 reviews, 862 commits, 1004 PRs in 3 years 9 months
Contributions summary:Michael primarily contributed to dependency updates and build configurations within the Joern code analysis platform. They focused on upgrading various dependencies, including core components of the CPG (Code Property Graph) and related libraries. The user also implemented build-related changes like switching to sbt-native-packager and addressing deprecated warnings, indicating a focus on maintainability and build process improvements for the project.
controlflowpythonjavabytecodedataflowjavascript
apache/tinkerpop
Mar 2016 - Nov 2017
Apache TinkerPop - a graph computing framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 commits, 6 PRs, 36 comments in 1 year 8 months
Contributions summary:Michael made several contributions focused on improving the codebase's maintainability and functionality. Their work included modifying unit tests to enhance error messages, merging code from different branches, and refactoring existing code by moving functionalities to dedicated helper classes. These changes likely aimed at code quality and project structure. In addition, user updated documentation file.
graph-computingtinkerpopgremlin-serverapacheapache-tinkerpop
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