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Dan Homola

PROFILE

Dan Homola

Dan Homola developed and enhanced core features across the gooddata-python-sdk and gooddata-ui-sdk, focusing on API client generation, backend integration, and data export workflows. He implemented asynchronous execution handling, improved error reporting, and aligned frontend and backend data models using Python and TypeScript. Dan introduced support for new data source types, enriched execution metadata, and enabled robust cancellation and polling for long-running tasks. His work included regenerating API clients to match evolving OpenAPI specifications, refining code organization, and updating documentation for clarity. These contributions improved automation, type safety, and developer experience, ensuring reliable integration and maintainability across GoodData’s SDKs.

Overall Statistics

Feature vs Bugs

89%Features

Repository Contributions

38Total
Bugs
2
Commits
38
Features
16
Lines of code
87,076
Activity Months6

Work History

September 2025

2 Commits • 1 Features

Sep 1, 2025

In Sep 2025, delivered regeneration of the GoodData Python SDK API client to align with the latest GoodData API specifications. This included updating models and endpoints and introducing updated automation capabilities (workspace automation, organization automation, and validation endpoints). The work ensures API compatibility for downstream integrations and reduces maintenance burden for SDK consumers.

June 2025

5 Commits • 2 Features

Jun 1, 2025

June 2025: Delivered targeted API enhancements in the gooddata-python-sdk that improve execution lifecycle handling, type safety, and resource management. Key work focused on making execution results available earlier, simplifying data access types, and enabling safer cancellation for long-running executions.

May 2025

14 Commits • 6 Features

May 1, 2025

May 2025: Delivered major enhancements across Python and UI SDKs, focusing on asynchronous task management, enhanced execution metadata, and API client alignment. Implemented FlexConnect DataSourceMessages and ExecutionResultMetadata support, added robust polling and distinct invocation types for long-running tasks, extended the Execution API with cancellation, proper exports, and improved error handling, and aligned UI SDK data models with backend metadata through Tiger API client regeneration and backend metadata propagation.

April 2025

4 Commits • 2 Features

Apr 1, 2025

April 2025: Delivered key reliability and observability improvements across Python SDK and UI SDK, focusing on business value and developer experience. Implemented a critical bug fix in ComputeToSdkConverter to correct ranking filter dimensionality handling, added regression tests, and enhanced error reporting and tracing in the UI SDK with a feature flag for rich datapoint errors. Also introduced an alpha onDataView callback for visualization components to support reactive data loading. These changes reduce debugging time under heavy data loads and lay groundwork for safer, observable analytics workflows.

March 2025

7 Commits • 4 Features

Mar 1, 2025

March 2025 performance summary: Delivered major enhancements to export workflows in both Python SDK and UI SDK, including raw and slides export capabilities, execution settings propagation, and customization options. Regenerated API clients to align with new endpoints; refined export metadata naming; introduced UI-consistent overrides for dashboard exports; and ensured derived measures titles are correctly displayed. These efforts deliver richer export functionality, improved automation, and better alignment with UI, directly enabling customers to automate reporting and customize exports with reduced integration cost.

November 2024

6 Commits • 1 Features

Nov 1, 2024

November 2024 monthly highlights focusing on delivering FLEXCONNECT rollout and FLIGHTRPC migration in the UI SDK, along with a targeted Python SDK improvement to fix type safety for ExecutionContextFilter. The work enhances data-source scalability, reduces migration risk, and demonstrates solid API maintenance and cross-language integration. Key outcomes include: streamlined data-source surface, aligned backend/frontend naming, and prepared groundwork for future migrations and credential-based access.

Activity

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Quality Metrics

Correctness97.2%
Maintainability95.2%
Architecture96.4%
Performance93.0%
AI Usage20.6%

Skills & Technologies

Programming Languages

JavaScriptMarkdownPythonTextTypeScript

Technical Skills

API Client GenerationAPI DesignAPI DevelopmentAPI IntegrationArrow Flight RPCAsynchronous ProgrammingBackend DevelopmentCode ClarityCode GenerationCode Generation ToolsCode OrganizationCode RefactoringData AccessData Access LayerData Engineering

Repositories Contributed To

2 repos

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

gooddata/gooddata-python-sdk

Nov 2024 Sep 2025
6 Months active

Languages Used

PythonMarkdownText

Technical Skills

Python DevelopmentAPI Client GenerationOpenAPI GeneratorPythonSDK DevelopmentData Transformation

gooddata/gooddata-ui-sdk

Nov 2024 May 2025
4 Months active

Languages Used

TypeScriptJavaScript

Technical Skills

API Client GenerationBackend DevelopmentCode GenerationCode RefactoringFeature Flag ManagementFrontend Development

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