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Jannis Fedoruk-Betschki

PROFILE

Jannis Fedoruk-betschki

Jannis contributed to TryGhost/Ghost and bluewave-labs/Checkmate by delivering features and fixes that improved API reliability, user experience, and platform maintainability. He enhanced locale selection with BCP 47 validation, integrated the IndexNow protocol for faster content indexing, and removed legacy services to streamline the codebase. On Checkmate, he built response time insights and refined tooltip localization, focusing on React and UI/UX design. Jannis also improved documentation for manual backups in TryGhost/Docs, supporting Docker and Ghost CLI workflows. His work demonstrated depth in backend development, API integration, and testing, with careful attention to code quality, internationalization, and operational clarity.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

9Total
Bugs
1
Commits
9
Features
6
Lines of code
2,313
Activity Months4

Work History

January 2026

4 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary for TryGhost/Ghost focusing on business value and technical achievements. Highlights include improved locale handling with a robust SelectWithOther UI and BCP 47 validation, faster content indexing via IndexNow integration, and codebase simplification by removing the legacy Pingomatic service. The work was delivered behind a feature flag with strong test coverage and internationalization enhancements to support admin-x apps. These changes reduce input errors, accelerate search indexing, and improve maintainability and scalability of the platform.

October 2025

3 Commits • 2 Features

Oct 1, 2025

Month: 2025-10 — Concise monthly summary for bluewave-labs/Checkmate focusing on delivering key features and UI polish. No major bugs fixed; notable improvements in response time visibility and tooltip UX with localization support. This month highlights business value through data-driven insights and improved UX readability.

September 2025

1 Commits • 1 Features

Sep 1, 2025

In September 2025, delivered an enhanced Manual Backups Documentation Enhancement for TryGhost/Docs, detailing how to back up database and the content folder across Docker and Ghost CLI setups, with clear guidance on downloading backups locally and performing restores. The update improves recoverability, supports smoother handovers, and reduces support tickets by providing actionable backup/restoration steps. Commit reference: 743edb4c6f654d4ede319cbc024cdbce23cc710f.

July 2025

1 Commits

Jul 1, 2025

July 2025 monthly summary for TryGhost/Ghost: focused on API reliability and standards compliance, delivering a targeted bug fix to the users endpoint versioning and reinforcing ActivityPub compatibility.

Activity

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Quality Metrics

Correctness97.8%
Maintainability91.0%
Architecture95.6%
Performance93.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashJSONJavaScriptMarkdownTypeScript

Technical Skills

API DevelopmentAPI integrationBackend DevelopmentDevOpsDockerDocumentationFront End DevelopmentGhost CLINode.jsReactTestingUI/UX Designbackend developmentdatabase managementfront end development

Repositories Contributed To

3 repos

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

TryGhost/Ghost

Jul 2025 Jan 2026
2 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

API DevelopmentBackend DevelopmentTestingAPI integrationFront End DevelopmentNode.js

bluewave-labs/Checkmate

Oct 2025 Oct 2025
1 Month active

Languages Used

JSONJavaScript

Technical Skills

Reactfront end developmentlocalization

TryGhost/Docs

Sep 2025 Sep 2025
1 Month active

Languages Used

BashMarkdown

Technical Skills

DevOpsDockerDocumentationGhost CLI