Roberto Congiu
Principal Data Engineer
Pasadena, California, United States
Summary
👤
Senior🎓
Top SchoolRoberto Congiu is a Principal Data Engineer based in Pasadena with 14 years of experience building SLA-driven, production-grade big data pipelines for cloud and bare-metal environments. An early Hadoop adopter, he specializes in end-to-end systems using Spark, Kafka, HBase and Hive, and brings deep Java and Scala expertise alongside Akka and Play for reactive, high-throughput architectures. He has led large-scale efforts across ad tech, gaming and media—most recently modernizing data platforms for Disney Studios and Movies Anywhere—and has migrated graph stores and tuned pipelines that handle billions of events per day. Roberto combines classical RDBMS and data modeling know-how with modern data engineering practices (Airflow, S3, Athena, Lambda), and has contributed useful open-source work such as an enhanced Hive JSON SerDe. He prefers to stay in the Los Angeles area and is known for turning complex data requirements into reliable, operable systems that meet strict SLAs.
14 years of coding experience
25 years of employment as a software developer
Laurea, Ingegneria Elettronica, Laurea, Ingegneria Elettronica at Politecnico di Torino
English, Italian, Spanish, sardinian, French
Stackoverflow
5,163reputation
657kreached
123answers
0questions
pyspark
top-5%
hive
top-1%
hadoop
top-1%
apache-spark
top-5%
Github Skills (20)
json10
serializable10
serializer10
hadoop10
java10
serialization10
javas10
deserialization10
hive10
apache-spark9
pyspark9
apache-hive9
parquet6
streaming6
hadoop-streaming6
Programming languages (3)
Github contributions (5)
rcongiu/Hive-JSON-Serde
Jul 2011 - Jul 2022
Read - Write JSON SerDe for Apache Hive.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:220 commits, 37 PRs, 92 pushes in 11 years 2 months
Contributions summary:Roberto primarily contributed to the `hive-json-serde` repository by cleaning up code, adding JavaDoc, and fixing various bugs. The work involved modifying the core Java code, specifically the `JsonSerDe` class. The user's commits show the addition of new functionalities such as case insensitive support and timestamp format fix, demonstrating a focus on improving the performance and reliability of the project.
serdeserde-jsonread-writeapachebig-data
rcongiu/covid
Mar 2020 - May 2022
Contributions:192 pushes, 1 branch in 2 years 2 months
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