OpenLineage/OpenLineage
Jun 2025 – Mar 2026
7 Months active
Languages Used
MarkdownSVGTypeScriptJSONPythonYAMLJava
Technical Skills
DocumentationOpenLineage SpecificationTechnical WritingWebsite Content ManagementAPI DevelopmentBackend Development
Jakub Moravec
PROFILE
Jakub Moravec
Contributed to the OpenLineage/OpenLineage repository by designing and implementing features that enhance data lineage, governance, and interoperability across enterprise data platforms. Delivered API development and backend improvements in Python and TypeScript, including JWT-based authentication, batch ingestion endpoints, and job execution metadata facets. Authored and maintained technical documentation, such as naming conventions and integration guides, to support onboarding and cross-system consistency. Integrated IBM watsonx.data as a lineage event producer, expanding ecosystem reach. Focused on specification design, JSON schema modeling, and unit testing to ensure reliability and clarity. Collaborated across teams to align documentation and code with evolving partner and governance requirements.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
8Total
Bugs
0
Commits
8
Features
8
Lines of code
3,554
Activity Months7
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for OpenLineage/OpenLineage focused on expanding interoperability and governance coverage. Delivered IBM OpenLineage integration with watsonx.data, enabling IBM as a producer and contributor to OpenLineage and allowing watsonx.data to emit lineage events. No major bugs reported this month; the focus was on integration, documentation, and ecosystem growth. This work enhances data lineage visibility, governance capabilities, and interoperability across enterprise data platforms, aligning with customer needs for end-to-end traceability and compliance.
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for OpenLineage/OpenLineage focused on expanding interoperability and governance coverage. Delivered IBM OpenLineage integration with watsonx.data, enabling IBM as a producer and contributor to OpenLineage and allowing watsonx.data to emit lineage events. No major bugs reported this month; the focus was on integration, documentation, and ecosystem growth. This work enhances data lineage visibility, governance capabilities, and interoperability across enterprise data platforms, aligning with customer needs for end-to-end traceability and compliance.
March 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 highlights for OpenLineage/OpenLineage: Delivered a JWT-based API authentication feature with token issuance and automatic refresh, enabling stateless, secure client access via API keys. Added environment-variable validation to fail fast on misconfigurations and prepared the token lifecycle for rotation. Resulting changes reduce server-side state, improve security and scalability, and simplify client onboarding.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 highlights for OpenLineage/OpenLineage: Delivered a JWT-based API authentication feature with token issuance and automatic refresh, enabling stateless, secure client access via API keys. Added environment-variable validation to fail fast on misconfigurations and prepared the token lifecycle for rotation. Resulting changes reduce server-side state, improve security and scalability, and simplify client onboarding.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for OpenLineage: Focused on delivering a new Job Execution Parameters Metadata Facet to improve job metadata tracking and documentation, with an associated specification entry and website spec file. This work enhances observability, governance, and traceability for job executions, enabling easier auditing and better lineage quality. Strong collaboration across spec and website contributions, with clear ownership and code quality improvements.
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for OpenLineage: Focused on delivering a new Job Execution Parameters Metadata Facet to improve job metadata tracking and documentation, with an associated specification entry and website spec file. This work enhances observability, governance, and traceability for job executions, enabling easier auditing and better lineage quality. Strong collaboration across spec and website contributions, with clear ownership and code quality improvements.
January 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary: Delivered OpenLineage Naming Conventions Documentation for Data Storage and Management Systems, establishing standardized naming guidelines for Milvus, FileNet, Box, and SharePoint within the OpenLineage framework. This work improves consistency, discoverability, and governance of lineage metadata across storage platforms. No major bugs fixed this month. Impact: reduces onboarding time for users and developers, improves cross-system interoperability, and strengthens metadata governance. Technologies/skills demonstrated: documentation, cross-system design, OpenLineage framework alignment, code-review discipline.
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary: Delivered OpenLineage Naming Conventions Documentation for Data Storage and Management Systems, establishing standardized naming guidelines for Milvus, FileNet, Box, and SharePoint within the OpenLineage framework. This work improves consistency, discoverability, and governance of lineage metadata across storage platforms. No major bugs fixed this month. Impact: reduces onboarding time for users and developers, improves cross-system interoperability, and strengthens metadata governance. Technologies/skills demonstrated: documentation, cross-system design, OpenLineage framework alignment, code-review discipline.
November 2025
2 Commits • 2 Features
Nov 1, 2025November 2025 (OpenLineage/OpenLineage) focused on delivering core enhancements to improve data lineage coverage and ingestion throughput, with emphasis on practical business value for ETL governance and reliability.
2 Commits • 2 Features
Nov 1, 2025November 2025 (OpenLineage/OpenLineage) focused on delivering core enhancements to improve data lineage coverage and ingestion throughput, with emphasis on practical business value for ETL governance and reliability.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — OpenLineage/OpenLineage: IBM Integration Documentation Update delivered to reflect IBM integration and partnership focus. Replaced the Manta logo and related information in the consumers section with IBM branding and integration details. Commit f2eebe9f048df4cb78c44e4feeb383fdcbb60a5d (doc: replace Manta logo under consumers by IBM (#4082)) includes a Signed-off-by: Jakub Moravec. Impact: clearer, up-to-date docs for users exploring IBM-integrated workflows; aligns product documentation with partner ecosystem strategy and reduces onboarding friction. No major bugs fixed this month. Technologies/skills demonstrated: documentation authoring, branding/assets governance, Git-based change management, and adherence to contribution guidelines.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — OpenLineage/OpenLineage: IBM Integration Documentation Update delivered to reflect IBM integration and partnership focus. Replaced the Manta logo and related information in the consumers section with IBM branding and integration details. Commit f2eebe9f048df4cb78c44e4feeb383fdcbb60a5d (doc: replace Manta logo under consumers by IBM (#4082)) includes a Signed-off-by: Jakub Moravec. Impact: clearer, up-to-date docs for users exploring IBM-integrated workflows; aligns product documentation with partner ecosystem strategy and reduces onboarding friction. No major bugs fixed this month. Technologies/skills demonstrated: documentation authoring, branding/assets governance, Git-based change management, and adherence to contribution guidelines.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for OpenLineage/OpenLineage focused on documentation of the design lineage object model and event payloads, aligned with the OpenLineage proposal; added SVG diagrams; clarified payload types; improved design clarity and interoperability.
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for OpenLineage/OpenLineage focused on documentation of the design lineage object model and event payloads, aligned with the OpenLineage proposal; added SVG diagrams; clarified payload types; improved design clarity and interoperability.
June 2025
Activity
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Quality Metrics
Correctness97.6%
Maintainability90.0%
Architecture97.6%
Performance90.0%
AI Usage27.6%
Skills & Technologies
Programming Languages
JSONJavaMarkdownPythonSVGTypeScriptYAML
Technical Skills
API DevelopmentAPI designAPI developmentBackend DevelopmentDocumentationETL processesJSON schema designOpenLineage SpecificationPython developmentSpecification DesignTechnical WritingTypeScriptWebsite Content Managementauthenticationbackend development
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