Bruno Cadonna
Software Developer at The Apache Software Foundation
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolBruno Cadonna is a Ph.D.-trained software developer with 11 years of experience building robust, maintainable systems in Big Data, finance, and healthcare—most recently contributing to Kafka and ksqlDB as an Apache Kafka committer and PMC member. He blends research rigor in data stream and event processing with hands-on backend engineering in C++, Java, Scala, and Python, having implemented stateful Kafka Streams features and improved test reliability in ksqlDB. Comfortable in teams from three to a hundred, he has led Kanban subteams and worked in Scrum contexts, emphasizing clean code, automated tests, and clear documentation (including updates to the Apache Kafka site). Fluent in German, Italian, and English and having lived across five countries, he thrives in international, collaborative environments. Outside work he pursues aikido and outdoor hiking, a reflection of the focus and discipline he brings to engineering problems.
11 years of coding experience
19 years of employment as a software developer
Dottorato di Ricerca (Ph.D.) Computer Science, Dottorato di Ricerca (Ph.D.) Computer Science at Free University of Bozen-BolzanoDiplom-Ingenieur (M.Sc.) Biomedical Engineering, Diplom-Ingenieur (M.Sc.) Biomedical Engineering at Graz University of Technology
German, Italian, English
Stackoverflow
1,358reputation
122kreached
33answers
1question
apache-kafka
top-5%
Github Skills (19)
testing10
rocksdb10
kafka10
kafka-streams10
java10
javas10
ksqldb10
stream-processing10
apache-kafka10
documentation10
api-design9
sql9
concurrency8
kafka-connect8
amazon-s36
Programming languages (4)
Github contributions (5)
apache/kafka-site
Feb 2021 - Nov 2022
Mirror of Apache Kafka site
Role in this project:
Technical Writer
Technical WriterContributions:5 reviews, 8 commits, 12 PRs in 1 year 9 months
Contributions summary:Bruno's contributions primarily revolve around enhancing the documentation of the Apache Kafka site. They added detailed documentation for RocksDB metrics, configurations for Kafka 3.2.0, and updates to the upgrade guide, demonstrating a focus on keeping the documentation up-to-date with the latest features and changes. Furthermore, they corrected a link and updated generated files related to documentation, indicating a commitment to accuracy and maintainability of the site's content. They also fixed inconsistencies or outdated information, ensuring users have a comprehensive and accurate resource.
apache-kafkaapachedatastreambig-datascala
apache/kafka
Nov 2018 - Dec 2022
Mirror of Apache Kafka
Role in this project:Back-end Developer
Back-end DeveloperContributions:1715 reviews, 234 commits, 502 PRs in 4 years 1 month
Contributions summary:Bruno's contributions focus on modifying and adding new functionalities to the core Kafka Streams library. They are involved in updating documentation to improve API clarity and usability and in implementing stateful operations within the library, specifically adding support for flatTransform and flatTransformValues methods. The code changes involve updates to existing interfaces and implementations, suggesting a deep understanding of the project's architecture and internal workings. They are also responsible for implementing new features and fixing bugs in existing components.
apache-kafkakafka-consumerapachescalakafka
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