Lionel Montrieux
Engineering Manager at Databricks
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolLionel Montrieux is an engineering manager based in Berlin with 14 years of experience building and operating distributed backend systems, currently leading teams at Databricks. He previously led Zalando’s event streaming platform—owning product, deployments, 24x7 operations and hiring—working extensively with Java, Kafka, Spring Boot, Kubernetes and AWS. His background blends applied research (a PhD in computing) in bidirectional programming and adaptive security with hands-on backend contributions to notable open-source projects like Zalando’s nakadi event bus. Lionel is comfortable moving between strategy and code: driving OKRs and KPIs while refactoring core subscription, authorization and Zookeeper-related logic. He also co-organised the Berlin Data Engineering Meetup and mentors across teams, bringing both academic rigor and pragmatic operational experience to large-scale streaming platforms.
14 years of coding experience
16 years of employment as a software developer
PhD Computing, PhD Computing at The Open UniversityMSc Computer Science, MSc Computer Science at Université de NamurMaster of Science - MS Management and Entrepreneurship, Master of Science - MS Management and Entrepreneurship at WHU – Otto Beisheim School of Management
English, French, Dutch, German
Stackoverflow
50reputation
2kreached
1answer
0questions
Github Skills (12)
javas10
eventbus10
zookeeper10
java10
kafka9
api9
restful9
authorizations8
authorization8
microservices-application7
microservices7
apache-kafka6
Programming languages (8)
Github contributions (5)
zalando/nakadi
Dec 2016 - Feb 2019
A distributed event bus that implements a RESTful API abstraction on top of Kafka-like queues
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 113 commits, 170 PRs in 2 years 2 months
Contributions summary:Lionel's contributions primarily involve back-end development, specifically within the context of a distributed event bus. The commits focus on refactoring exceptions and modifying core Java code related to subscription management, including changes to the Zookeeper client and subscription service. They also implemented code changes related to authorization and made significant changes to multiple classes within the source code.
queuesjava-8streamsmessage-passingevent-driven
prl-tokyo/MAPE-knowledge-base
Nov 2015 - Aug 2016
Contributions:113 pushes, 1 branch, 3 comments in 9 months
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