Jason Petersen
Senior Software Engineer at Datadog
Denver, Colorado, United States
Summary
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Rockstar🎓
Top SchoolJason Petersen is a Senior Software Engineer with 15 years of experience designing and operating high-availability, cloud-native systems and distributed databases. He is a hands-on contributor to Citus (a prominent distributed PostgreSQL extension), where he implemented partitioning and DML improvements and helped refactor internals for broader compatibility. Comfortable across C, Linux, Java, Ruby, and PostgreSQL ecosystems, he has productized complex deployments—creating signed packages, official Docker images, and robust CI matrices—to make large-scale database software approachable. His background includes building monitoring and time-series services at Amazon and Tembo and integrating database tech with cloud platforms at Microsoft. Known for test-driven, maintainable designs and an appetite for reading documentation, he pairs deep implementation skill with effective community-facing work like talks, mentoring, and releasing open-source tooling.
15 years of coding experience
14 years of employment as a software developer
BS, Computer Sciences, BS, Computer Sciences at The University of Texas at AustinTemple High School
Stackoverflow
6,769reputation
3.3mreached
57answers
2questions
variadic-functions
top-1%
java
top-1%
algorithm
top-5%
image-processing
top-5%
v8
top-5%
Github Skills (22)
postgresql10
back-end-development10
java10
variadic-functions10
sql10
database-design10
image-processing9
algorithm9
distributed-systems9
v89
hash-functions9
c178
c118
concurrency6
command-line6
Programming languages (18)
Github contributions (5)
citusdata/citus
Feb 2016 - Jun 2019
Distributed PostgreSQL as an extension
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:19 releases, 369 commits, 237 PRs in 3 years 5 months
Contributions summary:Jason contributed to the development of Citus, a distributed PostgreSQL extension. Their work primarily focused on enhancing the system's capabilities regarding database functionality, particularly regarding handling of data types. They implemented features to better handle hash-partitioned aliased data types, improved the support for DML commands on append-partitioned tables, and refactored various internal components. Additionally, the user addressed compatibility issues by renaming functions to avoid conflicts with other PostgreSQL extensions.
distributedrelational-databasesqlcitusscale
citusdata/pg_shard-old
Mar 2014 - Dec 2014
Contributions:313 commits in 8 months
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