Jacob Gminder
Senior Software Engineer at Voloridge Investment Management, LLC
Sanford, Florida, United States
Summary
🤩
Rockstar🎓
Top SchoolJacob Gminder is a Senior Software Engineer with 10+ years building robust backend systems and ETL integrations, currently driving engineering at Voloridge Investment Management after senior roles at SugarCRM and Hitachi Vantara. He has deep experience in data integration and big-data ecosystems, contributing to Pentaho projects that improved ORC/Avro handling, S3 CSV ingestion, and Hadoop shims—work that directly enhances enterprise ETL and cloud data workflows. Jacob’s background includes a long tenure at Lockheed Martin, giving him strong discipline in engineering for mission-critical environments, and a full-stack certification from freeCodeCamp that complements his backend focus. He balances legacy-system pragmatism with modern cloud patterns and a knack for UX-minded backend improvements, such as polishing input dialogs and schema-driven ingestion behavior. Based in Sanford, Florida, he brings a practical blend of reliability, data-format know-how, and attention to developer experience to large-scale data projects.
10 years of coding experience
21 years of employment as a software developer
Full Stack Web Development Certification Computer Software Engineering, Full Stack Web Development Certification Computer Software Engineering at freeCodeCampUniversity of Central Florida
Github Skills (17)
avro10
hadoop10
java10
aws-sdk10
etl10
javas10
amazon-s310
orc10
aws-s310
s3-bucket10
ui-design9
big-data9
fileio9
file-access9
file-processing9
Programming languages (4)
Github contributions (5)
pentaho/pentaho-hadoop-shims
Dec 2017 - Aug 2020
Hadoop Configurations
Role in this project:
Back-end Developer
Back-end DeveloperContributions:125 commits, 160 PRs, 135 pushes in 2 years 8 months
Contributions summary:Jacob's primary contribution focuses on enhancing the functionality of the Pentaho Hadoop shims, specifically related to ORC and Avro file formats. They implemented an overwrite flag for the Orc Output step, implemented a working ORC input step and resolved an issue related to handling folder names as input files. Additionally, they added support for reading Avro data files and made updates to handle decimal types with precision and scale in the Avro format.
hadoopconfigurations
pentaho/big-data-plugin
Sep 2017 - Aug 2020
Kettle plugin that provides support for interacting within many "big data" projects including Hadoop, Hive, HBase, Cassandra, MongoDB, and others.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 115 commits, 150 PRs in 2 years 11 months
Contributions summary:Jacob's commits focus on creating and modifying the UI dialog for the ORC Input step in the Pentaho Big Data Plugin, which provides support for interacting with big data projects. The changes involve adding UI elements, adjusting layouts, and implementing functionality to get fields from the schema. The user is working on a specific backlog item related to the UX specification of the ORC Input step, indicating a contribution to the data ingestion capabilities within the context of big data.
operationhadoop-hivefeature-storehive-hbasemongodb
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