Peter Kolloch
Software Engineer at Observe, Inc.
Kilchberg (ZH), Zurich, Switzerland
Summary
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Rockstar🎓
Top SchoolPeter Kolloch is a software engineer with 12 years of experience building reliable, distributed systems and developer tooling across startups and major tech firms. He has a strong backend focus—contributing to Apache Mesos/Marathon deployment logic—and drove a Bazel monorepo migration and developer experience improvements at Nexxiot. His career includes roles at Google and Mesosphere, reflecting deep expertise in concurrency, serialization, and cloud-native architectures. Based in Kilchberg, Zurich, he pairs academic CS training with practical leadership in workshops and documentation to raise team capabilities. Notably, his open-source work on Marathon improved deployment plan reliability and sequential future execution, signaling attention to long-term maintainability.
12 years of coding experience
17 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Universität des SaarlandesBachelor of Science Information Technology, Bachelor of Science Information Technology at International University in GermanyCJD Braunschweig
Stackoverflow
178reputation
10kreached
8answers
1question
Github Skills (17)
mesos10
concurrent10
scala10
concurrency10
dcos9
akka9
distributed-systems9
orchestrate9
orchestration9
orchestra9
eclipse6
bazel6
gradle6
kotlin6
couchdb6
Programming languages (19)
Github contributions (5)
d2iq-archive/marathon
Mar 2015 - May 2016
Deploy and manage containers (including Docker) on top of Apache Mesos at scale.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 23 commits, 416 PRs in 1 year 2 months
Contributions summary:Peter primarily contributed to the backend logic of the Marathon project, focusing on deployment and upgrade processes. Their work includes adding documentation for core classes like `DeploymentPlan` and `DeploymentStep`. The user also implemented improvements related to serialization of `DeploymentPlans` and introduced a helper class for managing sequential execution of futures, enhancing concurrency control within the application. These changes indicate a focus on improving the reliability and maintainability of the deployment process.
containersdcosdockerapachescale
nix-community/crate2nix
Jan 2019 - Jan 2023
rebuild only changed crates in CI with crate2nix and nix
Contributions:17 releases, 13 reviews, 797 commits in 4 years
nix-buildcraterustnixoscargo
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