Jacob Komissar
Software Engineer at Verily
Ashland, Massachusetts, United States
Summary
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Rockstar🎓
Top SchoolJacob Komissar is a software engineer with a decade of experience building back-end systems and distributed query engines, currently at Verily after prior engineering work at Starburst Data. He has contributed to Trino, the widely used open-source distributed SQL engine, adding predicate pushdown tests and Hive enhancements that improve compatibility and robustness for real-world data formats. Jacob holds MS and BS degrees in Computer Science from Worcester Polytechnic Institute and is pursuing a graduate certificate in Information Security at Boston University, reflecting a strong blend of systems and security awareness. His background includes research on automated grading and mathematical language processing, showing an ability to bridge research and production software. Comfortable in both internship and full-time roles at analytics and data platform companies, he brings practical experience with Hive, Postgres integrations, and test-driven improvements. Based in Ashland, Massachusetts, he pairs careful code cleanup and testing discipline with a curiosity for making large-scale data tooling more reliable.
10 years of coding experience
4 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Worcester Polytechnic InstituteGraduate Certificate Information Security, Graduate Certificate Information Security at Boston University
Stackoverflow
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Github Skills (19)
java10
javas10
hive10
sql10
query-engine10
testing9
postgresql9
python9
typehinting9
database8
databases8
big-data8
shell6
sed6
mypy6
Programming languages (8)
Github contributions (5)
trinodb/trino
Jun 2020 - Jan 2023
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:237 reviews, 51 PRs, 367 comments in 2 years 7 months
Contributions summary:Jacob contributed to the Trino query engine by adding tests to push down DECIMAL and CHAR predicates in Postgres. They also added tests for external Hive tables, including a separate test for tables with field separators. In addition, the user made several code cleanup changes in the Hive codebase and also added new features like adding null format property to Hive textfile tables.
big-datasql-querytrinojavapresto
jirassimok/trino
Jun 2020 - Jun 2022
A fork of the community managed version of Trino, the distributed SQL query engine for big data.
Contributions:3 PRs, 359 pushes, 70 branches in 1 year 11 months
big-datasql-querytrino
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