Haidar Hadi - Senior Data Engineer

Haidar Hadi

Senior Data Engineer

San Francisco Bay Area United States

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Summary

👤

Senior

🎓

Top School

Haidar Hadi is a Senior Data Engineer in the San Francisco Bay Area with 12 years of experience building large-scale, production data platforms that turn the “firehose” of enterprise data into clear, actionable insight. He combines deep hands-on expertise in Spark, Scala, Hadoop ecosystems and AWS with a strong emphasis on usability, testing and operational reliability—having delivered end-to-end pipelines that process billions of records and dramatically cut processing times. His background spans product, solutions and executive-facing roles, so he routinely translates technical tradeoffs into business value and trains teams for adoption. An active contributor to open-source projects, he’s added Joda-Time support to Twitter’s bijection library and strengthened test automation for Alluxio’s data orchestration codebase, showing attention to interoperability and system integrity. Colleagues rely on him as a pragmatic pioneer who both scouts paradigm-changing tools and makes them consumable for non‑expert business users.

12 years of coding experience

5 years of employment as a software developer

BS, Commercial Psychology, BS, Commercial Psychology at San Francisco State University

BS, Information Technology, BS, Information Technology at San Francisco State University, Lam Family College of Business

Arabic, French, English

Github Skills (18)

datetime10

integrate10

lib10

date-manipulation10

datetimes10

integrations10

java10

manipulation10

scala10

javas10

junit10

dates10

orchestration10

joda-time10

test-automation10

Programming languages (4)

JavaScalaJavaScriptPython

Github contributions (5)

twitter/bijection

Jul 2013 - Jul 2013

Reversible conversions between types

Role in this project:

Back-end Developer

Contributions:34 commits in 17 days

Contributions summary:Haidar primarily contributed to the `bijection` repository by adding support for Joda-Time library. They introduced new classes and bijections for converting between `java.util.Date` and `org.joda.time.DateTime` objects, including string and long representations. Additionally, the user updated the project's build configuration by adding the `nscala-time` dependency to support Joda-Time functionality. Several commits focused on refactoring the code, creating a new package and removing some bijections, which shows active contribution and iterative improvement.

conversionsreversible

Alluxio/alluxio

Nov 2015 - Jan 2016

Alluxio, data orchestration for analytics and machine learning in the cloud

Role in this project:

QA Engineer / Test Automation Engineer

Contributions:8 commits, 8 PRs, 19 comments in 2 months

Contributions summary:Haidar contributed significantly to the test suite within the Alluxio project. They added multiple test cases focused on the "pin" command, demonstrating an understanding of file pinning functionality and eviction behavior. The commits cover file pinning, unpinning, and scenarios with memory limitations to prevent file eviction, showing a focus on system integrity and functionality testing. The user also addressed code indentation issues, improving test code readability.

data-analysisvirtual-distributed-filesystemanalyticsorchestrationdata-science

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