Oscar Van Holthe Kind
Senior Data Engineer
Randstad, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolOscar Van Holthe Kind is a Senior Data Engineer with 10+ years building high-throughput, GDPR-conscious streaming data platforms for enterprise environments. He combines deep Java and Big Data expertise—Kafka, Kafka Streams, Flink, Avro, Parquet, Hadoop and BigQuery—with production-grade orchestration on Kubernetes to run pipelines processing tens of thousands of events per second. At Schiphol and previously bol.com he progressed from senior developer to lead and now senior data engineer, shaping architectures for clickstream and operational telemetry. An active open-source maintainer and PMC contributor to Apache Avro, he has improved IDL parsing and schema handling in the project’s Java tooling—work that underpins reliable cross-service serialization in many data ecosystems. Trained as an MSc in Artificial Intelligence, he brings a pragmatic, security-first mindset to designing auditable, scalable data systems.
10 years of coding experience
22 years of employment as a software developer
Gymnasium, Gymnasium at Openbare Scholengemeenschap, HoornMSc. Artificial Intelligence, MSc. Artificial Intelligence at Vrije Universiteit Amsterdam (VU Amsterdam)
Dutch, English
Stackoverflow
48reputation
1kreached
1answer
1question
Github Skills (10)
javas10
avro10
parsing10
schema10
idl10
antlr10
java10
compiler-design9
json8
google-bigquery6
Programming languages (6)
Github contributions (5)
apache/avro
Dec 2021 - Jun 2022
Apache Avro is a data serialization system.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:291 reviews, 32 commits, 96 PRs in 6 months
Contributions summary:Oscar primarily contributed to the Apache Avro project's Java-based IDL compiler. Their work included fixing bugs related to IDL parsing, particularly concerning annotations and schema definitions. They enhanced the IDL grammar to support features like nullable types and schema definitions. Additionally, they improved documentation comment handling and addressed issues in the protocol creation process.
avrobigdatadotnetpythonrust
opwvhk/avro-schema-support
Dec 2020 - Jan 2023
Extend IntelliJ, PyCharm and other JetBrains IDEs to more easily work with Avro schemata and protocols in both IDL and JSON format.
Contributions:2 releases, 168 commits, 48 PRs in 2 years 1 month
avrointellij-platformavro-formatgradleavro-idl-files
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