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Ezequiel Cuellar

PROFILE

Ezequiel Cuellar

Ezequiel Cuellar-Ojeda enhanced Hadoop cluster management workflows in the pentaho/big-data-plugin and pentaho/pentaho-platform repositories, focusing on both user experience and security. He delivered UI improvements for the Hadoop Cluster Import Wizard, unifying dialog titles, adding input validation, and streamlining navigation to reduce onboarding friction. On the backend, he strengthened credential handling by decrypting stored passwords before display and ensuring secure processing of legacy gateway URLs. Ezequiel also enabled full cluster lifecycle management directly from the PDI interface, integrating Java and Pentaho Data Integration (PDI) skills to support centralized, efficient operations. His work demonstrated depth in both frontend and backend development.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

6Total
Bugs
2
Commits
6
Features
2
Lines of code
135
Activity Months3

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for pentaho-platform focusing on delivering Hadoop Cluster Management in PDI and enhancing PDI-Pentaho Server integration to manage Hadoop cluster configurations from the UI. No additional features or bug fixes were reported beyond the Hadoop cluster management enhancement.

August 2025

2 Commits

Aug 1, 2025

2025-08 Monthly Summary for Pentaho Big Data Plugin (pentaho/big-data-plugin). Focused on security hardening of Hadoop cluster configuration management, with changes implemented to prevent credential leakage and ensure safe handling of legacy gateway URLs. Delivered bug fixes and security improvements that improve compliance, data protection, and overall reliability of cluster configuration workflows.

November 2024

3 Commits • 1 Features

Nov 1, 2024

November 2024: Delivered UX improvements and bug fixes for Hadoop Cluster Import Wizard in pentaho/big-data-plugin, driving smoother onboarding, fewer errors, and faster cluster provisioning. Key changes unified dialog titles across Import Cluster and Add Driver, added input validation for cluster names, and enabled Cancel/Finish actions on the Test Results page; alongside a per-page title fix to ensure consistent wizard headings. These changes reduce support toil and improve user productivity in cluster import workflows.

Activity

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Quality Metrics

Correctness86.6%
Maintainability86.6%
Architecture86.6%
Performance83.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaProperties

Technical Skills

Backend DevelopmentConfiguration ManagementFront End DevelopmentFull Stack DevelopmentHadoop Cluster ManagementInternationalizationJavaJava DevelopmentPentaho Data Integration (PDI)SecurityServer-side DevelopmentUI DevelopmentWizard Implementation

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

pentaho/big-data-plugin

Nov 2024 Aug 2025
2 Months active

Languages Used

JavaProperties

Technical Skills

Front End DevelopmentInternationalizationJava DevelopmentUI DevelopmentWizard ImplementationBackend Development

pentaho/pentaho-platform

Sep 2025 Sep 2025
1 Month active

Languages Used

Java

Technical Skills

Full Stack DevelopmentHadoop Cluster ManagementPentaho Data Integration (PDI)Server-side Development

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