Tobias Holenstein
Software Engineer at Snyk
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolTobias Holenstein is a software engineer with five years of experience building and optimizing low-level compiler and JVM tooling, currently contributing to Snyk after a tenure on Oracle’s HotSpot JIT C2 compiler team. He specializes in performance-driven C/C++ systems work and Java developer tools, having modernized the Ideal Graph Visualizer and contributed compiler optimizations to the upstream OpenJDK project. Tobias pairs research-grade rigor from an ETH Zürich computer science background with practical engineering—he has implemented network stream support in IGV and supervised academic work linking theory to production. He also has hands-on machine-learning systems experience from an IBM research internship where he designed tracking algorithms that reduced database size and query latency.
5 years of coding experience
3 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at ETH Zürich
English, German
Github Skills (6)
compiler-optimization10
openjdk10
javas10
jvm10
java10
networking6
Programming languages (2)
Github contributions (5)
openjdk/jdk
Sep 2021 - Mar 2025
JDK main-line development https://openjdk.org/projects/jdk
Role in this project:
Back-end Developer
Back-end DeveloperContributions:109 reviews, 95 PRs, 305 comments in 3 years 7 months
Contributions summary:Tobias's commits primarily involve modifications to the Java Development Kit (JDK) codebase. The contributions focus on internal compiler optimizations and adjustments to improve performance or remove unused code. These changes include code modifications to existing files and the addition of new elements for improved compiler functionality, and also included changes and additions to support network streams in the IGV.
openjdkjavajvmjdk
tobiasholenstein/jdk
Sep 2021 - Jan 2025
JDK main-line development
Contributions:1638 pushes, 201 branches in 3 years 5 months
javajvmjdk
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.