Joel Barciauskas
Senior Director, Engineering at Datadog
New York, New York, United States
Summary
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Rockstar🎓
Top SchoolJoel Barciauskas is a Senior Director of Engineering with 15 years of experience building and scaling SaaS platforms, high-traffic web hosting, and high-volume email systems. He combines hands-on backend development (notably contributions to Datadog’s Agent and Python library improving distribution metrics) with strategic people leadership across distributed teams. Joel has a track record of improving operability and resilience of critical services, leading cloud migrations, and driving CI/CD and release cadence improvements. He excels at translating customer and product needs into robust aggregation and pre-aggregation systems that power real-time metrics at scale. Comfortable recruiting, mentoring, and running engineering sites, he also brings uncommon depth in metrics internals and sampling algorithms from open-source contributions to Datadog.
15 years of coding experience
15 years of employment as a software developer
B.A. Computer Science, B.A. Computer Science at Boston College
Stackoverflow
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Github Skills (24)
python10
apidoc10
testing10
distributed-tracing10
go10
api10
datadog10
metric10
observability9
apm-agent8
profiling7
trace7
tracer7
e-mail6
data-structures6
Programming languages (16)
Github contributions (5)
DataDog/datadogpy
Jan 2018 - Nov 2018
The Datadog Python library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 2 PRs, 7 pushes in 9 months
Contributions summary:Joel primarily contributed to adding support for distribution metrics within the Datadog Python library. They implemented features to send global distribution metrics and integrated distribution functionality into threadstats and the API. Further contributions included refactoring, fixing errors and adding tests for distribution metrics.
golangpython-librarypythonmetricsdatadog
DataDog/datadog-agent
Jun 2018 - Jun 2020
Main repository for Datadog Agent
Role in this project:Back-end Developer
Back-end DeveloperContributions:26 commits, 14 PRs, 42 pushes in 2 years
Contributions summary:Joel contributed to the Datadog Agent, focusing on performance and feature enhancements related to metrics and distributions. They implemented improvements to quantile sketch accuracy and interpolation, modified the agent to automatically copy histogram metrics to distributions, and addressed minor code issues. The user demonstrated proficiency in Go and interacted with metrics aggregation, data sampling, and distribution calculations within the Datadog Agent's codebase.
golangdatadog-agentagentobservabilitypmm
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