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Mike Zelenskyy

PROFILE

Mike Zelenskyy

Worked on the gooddata/gooddata-python-sdk repository to enhance data processing workflows by focusing on memory efficiency and metadata management. Developed a memory-optimized method for converting execution responses to pandas DataFrames, introducing an optional flag that stores only unique headers and references to reduce memory usage while maintaining backward compatibility. Added new functionality to DataFrameMetadata for identifying and storing column total header indexes, supported by a dedicated helper method to streamline extraction logic. Updated the test suite to validate these enhancements and ensure robust integration. Utilized Python and data engineering techniques, emphasizing backend development and memory optimization throughout the implementation.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
451
Activity Months1

Your Network

74 people

Same Organization

@gooddata.com
45

Work History

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025 (2025-09) focused on delivering performance and data-structure improvements in gooddata/gooddata-python-sdk, with an emphasis on memory efficiency and robust metadata handling to support larger analytics workflows.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

API DevelopmentBackend DevelopmentData EngineeringDataFramesMemory Optimization

Repositories Contributed To

1 repo

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

gooddata/gooddata-python-sdk

Sep 2025 Sep 2025
1 Month active

Languages Used

Python

Technical Skills

API DevelopmentBackend DevelopmentData EngineeringDataFramesMemory Optimization