Ezequiel Cuellar

Orlando, Florida Area United States

Join Prog.AI to see contacts

Summary

🤩

Rockstar

Ezequiel Cuellar is a seasoned software engineer with 17 years of experience and 15+ years focused on object-oriented analysis and design using Java, Java EE, and web technologies. Based in the Orlando area, he has contributed across all project phases and delivered large-scale enterprise features and fixes, particularly within the Pentaho analytics and big-data ecosystem. His open-source work shows a pragmatic focus on back-end stability and data integration—bug fixes, ETL/Kettle improvements, Hadoop shims, and adding Snowflake support—demonstrating deep familiarity with data pipelines and OLAP tooling. Ezequiel combines hands‑on code-level problem solving with an understanding of platform integration challenges, often addressing tricky edge cases in reporting, Avro/JSON handling, and cluster configuration. Colleagues can rely on him for durable, low‑risk improvements that keep analytics systems reliable and extensible.

17 years of coding experience

Spanish, English

Stackoverflow

Stats

1reputation

0reached

1answer

0questions

Github Skills (37)

unit-testing10

avro10

xul10

databases10

big-data10

git-repository10

data-export10

hadoop10

java10

binding10

data-import10

etl10

javas10

olap10

repo-management10

Programming languages (2)

JavaJavaScript

Github contributions (5)

pentaho/data-access

Apr 2011 - Dec 2018

Pentaho Data Access Wizard

Role in this project:

Back-end Developer

Contributions:302 commits, 18 PRs, 10 pushes in 7 years 9 months

Contributions summary:Ezequiel primarily worked on the Pentaho Data Access Wizard, focusing on enhancements and implementations within the core application. Their commits introduced new Xul components such as menus and radio buttons, and modified existing ones within the wizard steps. Key changes include the addition of schema implementation features, the alteration of display components such as file-upload UI.

data-accesswizardpentaho

pentaho/pentaho-hadoop-shims

May 2015 - Dec 2022

Hadoop Configurations

Role in this project:

Back-end Developer

Contributions:22 commits, 41 PRs, 23 pushes in 7 years 8 months

Contributions summary:Ezequiel primarily focused on enhancing the functionality and stability of the Avro input/output components within the Hadoop shims. They addressed critical issues, including a `NullPointerException` in the Avro output step, and implemented unit tests for array and map complex types. The user also added support for reading JSON data and addressed issues related to array expansion, showcasing proficiency in data format handling and data pipeline optimization. Furthermore, the user added support for the CDH 6 CE shim.

hadoopconfigurations

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial