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Maciej Obuchowski

PROFILE

Maciej Obuchowski

Over 15 months, contributed to OpenLineage/OpenLineage and DataDog repositories by engineering robust release management, data observability, and backend features. Focused on automating version control and release cycles using Python, Go, and Gradle, ensuring consistent deployment pipelines and reducing manual errors. Developed and integrated Postgres SQL query agents and cron-based scheduling for DataDog/datadog-agent and integrations-core, enabling declarative, per-database data quality monitoring with secure configuration management. Enhanced documentation and configuration alignment across modules, improved dependency management, and maintained compatibility with multiple language ecosystems. The work emphasized reliability, traceability, and streamlined CI/CD processes for both stable releases and ongoing development.

Overall Statistics

Feature vs Bugs

96%Features

Repository Contributions

58Total
Bugs
1
Commits
58
Features
25
Lines of code
8,306
Activity Months15

Work History

June 2026

5 Commits • 4 Features

Jun 1, 2026

June 2026: Delivered major PostgreSQL data observability and scheduling improvements across DataDog/integrations-core and DataDog/datadog-agent, with a focus on reliability, accuracy, and business value. Implemented cron-based scheduling to replace interval-based timing, enhanced metadata accuracy for schema objects, introduced per-query timeouts with safe configuration handling, and added targeted DO action reconciliation to prevent disruption of unrelated Postgres instances. Also aligned tests and fixtures with new behavior and tightened validation for cron expressions and YAML serialization.

May 2026

4 Commits • 1 Features

May 1, 2026

May 2026 focused on release engineering for OpenLineage Go client, delivering release versioning and readiness across upcoming releases. Implemented comprehensive version bumps to stabilize 1.47.0, prepare 1.48.0-SNAPSHOT development, and adjust 1.47.1 pre-release signals across the codebase. Executed four targeted commits to propagate version changes and development signals, enabling smoother CI/CD and clearer customer-facing milestones. No major bugs fixed this month; the work centered on release hygiene, consistency, and developer experience to reduce release risk and accelerate delivery.

April 2026

2 Commits • 2 Features

Apr 1, 2026

April 2026 monthly summary focused on delivering Data Observability (DO) capabilities for PostgreSQL and stabilizing the underlying DO work through the DataDog agent and integrations-core. The work emphasizes business value from centralized, per-database observability, reduced credential duplication, and improved reliability via end-to-end validation.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 (2026-03) focused on delivering a new Postgres SQL Query Agent for Data Observability within DataDog-agent, closing a connectivity gap for self-hosted and VPC Postgres databases and enabling declarative, RC-driven data quality monitoring. The feature introduces the comp/do/queryactions/ agent component that subscribes to Remote Configuration and schedules per-database queries via a long-running Python check (do_query_actions). Credentials are read locally from the existing Postgres integration config; RC only carries query definitions. This work follows the DSM_KAFKA_ACTIONS pattern and sets the stage for broader support of agent-based database queries, with plans to generalize to additional databases in future PRs. Validation included testing with integrations-core RC and custom RC configurations. Co-authored-by collaboration noted in the commit.

February 2026

4 Commits • 1 Features

Feb 1, 2026

February 2026 OpenLineage focused on release engineering and development-cycle management. Key deliverables include 1) release readiness for 1.44.0 with a controlled downgrade to 1.44.1 to pre-validate Python client compatibility, and 2) planning for 1.45.0-SNAPSHOT with ongoing development. Governance: four sign-off commits across the repo to prepare versions 1.44.0/1.44.1/1.45.0-SNAPSHOT, ensuring traceability. Impact: improved release cadence, reduced integration risk, and clearer upgrade paths for users. Technologies/skills: version management, release engineering, Python client compatibility, Git sign-off, CI/CD coordination.

January 2026

7 Commits • 2 Features

Jan 1, 2026

January 2026 monthly summary for OpenLineage/OpenLineage focused on release readiness, version management, and dependency stability to enable smoother releases and long-term maintenance. Coordinated multi-version release prep across 1.42.0, 1.42.1, 1.43.0, and 1.44.0, including development snapshots for 1.43.0-SNAPSHOT and deployment-readiness alignment. Implemented dependency compatibility stabilization by configuring Dependabot to exclude Java 17+ dependencies to preserve Java 8/11 compatibility, reducing upgrade risks for downstream users. This work also includes enhancements to the dev workflow with a Dependabot configuration for the /dev directory to streamline future dependency updates and release readiness.

November 2025

5 Commits • 1 Features

Nov 1, 2025

November 2025: Release Versioning and Deployment Readiness Automation for OpenLineage. Consolidated version bumping across multiple files, cleaned bump configurations, and updated the version bump script to handle dirty states. This work prepares OpenLineage for releases 1.40.x and 1.41.x and supports ongoing development, delivering consistent versioning, smoother release processes, and reduced manual errors. Focused on release engineering productivity and CI/CD readiness.

October 2025

4 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for OpenLineage/OpenLineage focused on release readiness and version governance. Implemented cross-repo versioning stabilization across Gradle properties, Python configs, and setup files to support upcoming release cycles: 1.38.0 release candidate, 1.39.0 release candidate, 1.39.0-SNAPSHOT development, and 1.40.0-SNAPSHOT development. The work ensures consistent version propagation across language ecosystems and packaging artifacts, aligning with semantic versioning and release pipelines.

August 2025

2 Commits • 1 Features

Aug 1, 2025

August 2025: Release engineering and versioning for OpenLineage. Implemented comprehensive release versioning updates to stabilize 1.37.0 and prepare for the next development cycle 1.38.0-SNAPSHOT by updating version numbers across Gradle properties and related configuration files. This work reduces release risk, standardizes product metadata across modules, and accelerates CI/CD readiness for both stable releases and ongoing development.

July 2025

6 Commits • 3 Features

Jul 1, 2025

July 2025 focused on delivering user-facing features that improve lineage observability and on strengthening release processes to accelerate delivery cycles. Key features delivered include the Airflow-Spark integration enabling automatic propagation of parent job context into Spark tasks, improving troubleshooting and lineage clarity; and documentation alignment ensuring OpenLineage dependencies are current with the minimum required openlineage-dbt version. In addition, versioning and development cycle management across OpenLineage was consolidated to enable predictable releases (1.35.0, 1.36.0, and development iterations 1.36.0-SNAPSHOT and 1.37.0-SNAPSHOT).

June 2025

3 Commits • 2 Features

Jun 1, 2025

June 2025 focused on release readiness and environment tagging improvements across two repositories: OpenLineage/OpenLineage and DataDog/documentation. Key activities included finalizing the v1.34.0 release and initializing the v1.35.0-SNAPSHOT development, plus standardizing the OpenLineage namespace environment variable in Datadog docs to improve Airflow data job tagging and observability. No major bugs reported; primary value delivered through release readiness, configuration standardization, and improved cross-repo coordination.

May 2025

4 Commits • 1 Features

May 1, 2025

May 2025 monthly summary: OpenLineage release engineering focused on versioning hygiene and release readiness. Key outcomes include aligning and bumping version numbers across project configuration files for 1.32.1 release prep, 1.33.0 development and stable/release prep, and 1.34.0 development prep. This reduces version drift, accelerates release cycles, and provides an auditable, repeatable process for future releases. No major bugs fixed this month; work centered on configuration consistency and process tightening across the repository.

April 2025

5 Commits • 2 Features

Apr 1, 2025

April 2025 focused on stabilizing and accelerating the OpenLineage release cadence across two repositories and enhancing API integration flexibility. Key outcomes include completing the 1.31.0 release readiness, starting 1.32.0 development, finalizing 1.32.0 release candidate, and preparing 1.33.0-SNAPSHOT for the next development cycle across Gradle properties and configuration. Additionally, API versioning support was added to the DataDog OpenLineage proxy configuration with a default version of 2, appended to intake URLs to improve compatibility with multiple API versions.

March 2025

4 Commits • 2 Features

Mar 1, 2025

March 2025 accomplishments focused on release readiness and development cadence for OpenLineage. Key outcomes include stabilizing the OpenLineage 1.30.x release line for production by updating version numbers across Gradle, Python configs, and integrations and removing -SNAPSHOT suffix; and initiating the 1.31.0-SNAPSHOT development cycle by bumping versions across modules. These actions improve stability, predictability, and cross-repo consistency, enabling faster release readiness and downstream integration compatibility.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 — OpenLineage/OpenLineage: Focused on release engineering and version management to ensure stable delivery and a smooth path into the next development cycle. Delivered stable release 1.29.0 by removing -SNAPSHOT from version strings across Gradle properties and README; prepared 1.30.0-SNAPSHOT by bumping versions across Gradle, Python, and setup configurations. No major bugs fixed this month; the emphasis was on release readiness, consistency, and build artifact integrity. This work enhances downstream reliability, accelerates future releases, and strengthens cross-language packaging alignment.

Activity

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Quality Metrics

Correctness99.4%
Maintainability98.2%
Architecture98.6%
Performance97.0%
AI Usage26.2%

Skills & Technologies

Programming Languages

GoGradleINIJavaMarkdownNonePythonRustShellTOML

Technical Skills

API IntegrationBackend DevelopmentBuild AutomationBuild ConfigurationBuild ManagementConfiguration ManagementCronData ObservabilityDatabase ManagementDependency managementDevOpsDocumentationGoGo programmingGradle

Repositories Contributed To

4 repos

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

OpenLineage/OpenLineage

Feb 2025 May 2026
12 Months active

Languages Used

GradleINIJavaPythonRustTOMLShellYAML

Technical Skills

Build ManagementConfiguration ManagementRelease ManagementVersion ControlBuild AutomationBuild Configuration

DataDog/datadog-agent

Apr 2025 Jun 2026
4 Months active

Languages Used

GoShell

Technical Skills

API IntegrationBackend DevelopmentConfiguration Managementbackend developmentdata observabilitydatabase management

DataDog/integrations-core

Apr 2026 Jun 2026
2 Months active

Languages Used

Python

Technical Skills

PostgreSQLasync programmingbackend developmentunit testingBackend DevelopmentData Observability

DataDog/documentation

Jun 2025 Jul 2025
2 Months active

Languages Used

Markdown

Technical Skills

DocumentationDevOps