Itamar Hartstein
CTO at Elementary Data
Tel-Aviv District, Israel
Summary
🤩
Rockstar🎓
Top SchoolItamar Hartstein is a seasoned technology leader and current CTO at Elementary Data with a decade of experience building reliable data and analytics platforms from Tel Aviv. He progressed from software developer roles in the IDF to technical leadership at Singular before taking the helm of a startup focused on data observability, blending deep engineering chops with product-minded strategy. His hands-on contributions to the open-source elementary dbt package improved exception handling, configurable dbt execution, and richer error reporting—demonstrating a focus on operability and debuggability in production data pipelines. With an M.Sc. in Computer Science from Technion and a track record leading R&D teams, he excels at turning complex data engineering challenges into pragmatic, production-ready solutions. An often-overlooked strength is his consistent emphasis on observability and error transparency, which reduces incident time-to-resolution and improves developer experience.
10 years of coding experience
10 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Technion - Israel Institute of TechnologyBachelor of Arts (B.A.) Computer Science, Bachelor of Arts (B.A.) Computer Science at The Open University of Israel
Hebrew, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
observability10
python10
data-engineering10
obs10
dbt10
error-handling10
data-pipelines9
data-pipeline9
data-analysis8
s3-bucket6
aws-s36
amazon-s36
sql5
aws5
gcp5
Programming languages (4)
Github contributions (5)
elementary-data/elementary
Nov 2022 - Jan 2023
The dbt-native data observability solution for data & analytics engineers. Monitor your data pipelines in minutes. Available as self-hosted or cloud service with premium features.
Role in this project:
Data Engineer
Data EngineerContributions:4 releases, 203 reviews, 53 commits in 2 months
Contributions summary:Itamar primarily focused on enhancing the data observability features of the `elementary` dbt package, a solution for data and analytics engineers. Their contributions include implementing robust exception handling across various client integrations (Slack, S3, GCS), and adding mechanisms for tracking internal exceptions. The user also made changes to how dbt commands are executed, introduced features to include more details to exception reporting, and added a dbt-quoting option. These changes indicate a focus on improving the reliability, debugging, and configurability of the data monitoring platform.
data-observabilityobservabilitydbtdata-catalogdata-warehouse
haritamar/elementary-tutorial-debug-itamar
Oct 2023 - Dec 2024
Playground dbt project to demonstrate Elementary's capabilities.
Contributions:6 PRs, 10 pushes, 5 branches in 1 year 2 months
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