Ryan Blue
Boise, Idaho, United States
Summary
🤩
RockstarRyan Blue is a backend-focused software engineer with 15 years’ experience building and shaping large-scale data systems, currently a Member of Technical Staff at Databricks based in Boise, Idaho. He has deep Java expertise and a long history working on core data formats and analytics engines—contributing significant implementations and spec work across Apache Parquet, Avro, Iceberg and Spark. As an Apache Software Foundation member and Vice President for Apache Iceberg, he’s influenced format-level decisions (adding codecs like Brotli/LZ4/Zstd, logical types such as UUID and microsecond times) and implemented tricky features like int96 support, schema updates in transactions, and null-partition handling. Formerly a Senior Engineer at Netflix, technical lead of data formats at Cloudera, and co-founder/CEO of Tabular, he combines production systems experience with open-source governance and startup grit. At the NSA he led teams that improved Hadoop pipeline performance by 4x, demonstrating both low-level systems tuning and product-focused delivery.
16 years of coding experience
Github Skills (41)
apache-spark10
avro10
spark10
jupyter10
big-data10
data-serialization10
interpreter10
data-management10
data-structure10
java10
scala210
serialization10
scala10
javas10
sql10
Programming languages (15)
Github contributions (5)
apache/parquet-format
Aug 2014 - Sep 2019
Apache Parquet Format
Role in this project:
Back-end Developer
Back-end DeveloperContributions:122 reviews, 44 commits, 30 PRs in 5 years 2 months
Contributions summary:Ryan primarily focused on developing and improving the Apache Parquet format specification. They added features, such as new compression codecs like Brotli, LZ4, and Zstd, and enhanced the format with logical type annotations, including UUID and microsecond-precision time definitions. The user also introduced release scripts to automate the release process. Finally, they refactored the project to use Apache naming conventions and updated the POM.
avroparquetapachebig-dataapache-parquet
kite-sdk/kite
Aug 2013 - Sep 2015
Kite SDK
Role in this project:Back-end Developer
Back-end DeveloperContributions:890 commits, 141 PRs, 96 pushes in 2 years 1 month
Contributions summary:Ryan's commits primarily focus on modifying and refactoring core data structures and APIs within the Kite SDK. They demonstrate expertise in Java, particularly in relation to Apache Avro and how to handle these object types. Contributions include refactoring partition strategies, adding schema-related utilities, and updating the implementation to align with various API changes.
hadoopjavasdkkite
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