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Marcin Sędłak-Jakubowski

PROFILE

Marcin Sędłak-jakubowski

Over a five-month period, contributed to the home-assistant.io and developers.home-assistant repositories by delivering 22 documentation and integration features focused on automation, onboarding, and maintainability. Enhanced user and developer experience by standardizing triggers and conditions across multiple smart home components, improving documentation structure, and refining style guides for clarity and SEO. Leveraged Markdown, YAML, and Git to implement content organization strategies, streamline onboarding, and support new Labs features. Addressed technical challenges in automation documentation, integration development, and UI/UX design, resulting in faster adoption, reduced support needs, and a more maintainable foundation for Home Assistant’s evolving smart home ecosystem.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

58Total
Bugs
0
Commits
58
Features
22
Lines of code
32,659
Activity Months5

Work History

June 2026

22 Commits • 11 Features

Jun 1, 2026

June 2026 monthly summary: Delivered extensive automation documentation enhancements across Home Assistant components to boost developer adoption, reduce support load, and improve user experience. Focus areas spanned cover, water heater, media player, event triggers, power-related features, and schedule/zone triggers, with substantial UX and structural improvements to documentation. Also streamlined onboarding by removing the Advanced Mode requirement for the SSH app in addons and clarified content through targeted cleanup of outdated references and emphasis styling. Result: faster, more reliable automation authoring, better discoverability of capabilities, and a maintainable docs foundation for futureLabs features.

May 2026

24 Commits • 5 Features

May 1, 2026

May 2026 monthly summary for developer work. A concentrated period of documentation and authoring activity focused on the Labs feature rollout and maintainability improvements across two repositories. Deliveries span feature documentation, style/SEO improvements, and readability enhancements that boost user onboarding, automation reliability, and content discoverability.

April 2026

5 Commits • 3 Features

Apr 1, 2026

Monthly summary for 2026-04 highlighting feature delivery and documentation improvements across Home Assistant repositories. Focused on user-facing automation capabilities and developer experience. No major bugs fixed were reported in the provided data.

March 2026

6 Commits • 2 Features

Mar 1, 2026

March 2026: Focused on comprehensive documentation improvements across home-assistant.io and developers.home-assistant to improve clarity, consistency, and contributor onboarding, with targeted updates to integration documentation and contribution guidelines. These changes support faster adoption of integrations, reduce support friction, and strengthen governance for docs across repositories. Key features delivered: - Documentation improvements for Home Assistant Integrations: present-tense updates to integration templates and expanded vacuum integration docs (mapping vacuum areas to HA areas and automations for area cleaning). - Documentation enhancements and contributor guidelines for developers.home-assistant: consolidated docs, direct Ruby version link, and clarified contribution process. Major bugs fixed: - No major bug fixes recorded this month; effort concentrated on documentation quality and consistency. Overall impact and accomplishments: - Improved documentation clarity and consistency across two core repos, enabling faster onboarding for new contributors and smoother user adoption of integrations. - Enhanced navigation and governance of docs, aligning with project standards and reducing ambiguity for contributors and users. Technologies/skills demonstrated: - Documentation best practices, version-controlled edits, and co-authorship collaboration. - Cross-repo coordination, markdown/content organization, and contribution guideline governance. - Awareness of platform specifics (Ruby version guidance) and integration mapping strategies.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered a key documentation clarity improvement for Enabling/Disabling Entities in home-assistant.io. Adjusted the heading levels to improve readability and navigation (commit aab907f5dd16c4fed7be44a3a095f2a42775c1f9; related to #42890). No major bugs fixed this month; minor doc readability tweaks were completed as part of ongoing maintenance. Business impact: faster onboarding and fewer support inquiries due to clearer guidance; demonstrated proficiency in documentation standards, markdown, Git, and issue tracking.

Activity

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Quality Metrics

Correctness99.2%
Maintainability99.0%
Architecture99.2%
Performance99.0%
AI Usage41.0%

Skills & Technologies

Programming Languages

Markdownmarkdown

Technical Skills

AI integrationGitHome AssistantHome Assistant integrationHome Assistant integration developmentMarkdownRubySEOUI/UX designYAMLautomationcontent managementcontent organizationcontent strategycontent writing

Repositories Contributed To

3 repos

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

home-assistant/home-assistant.io

Jan 2026 Jun 2026
5 Months active

Languages Used

Markdownmarkdown

Technical Skills

documentationtechnical writingHome Assistant integrationautomationcontent managementHome Assistant

home-assistant/developers.home-assistant

Mar 2026 Jun 2026
4 Months active

Languages Used

Markdown

Technical Skills

GitMarkdownRubydocumentationtechnical writingautomation

home-assistant/addons

Jun 2026 Jun 2026
1 Month active

Languages Used

Markdown

Technical Skills

documentationuser experience design