siemens/element
Jun 2025 – Jun 2026
13 Months active
Languages Used
CSSHTMLJSONJavaScriptSCSSShellTypeScriptPNG
Technical Skills
AngularBuild ConfigurationBuild ManagementBuild ToolsCDK IntegrationCI/CD
Bajohr, Rayk
PROFILE
Bajohr, Rayk
Over thirteen months, contributed to the siemens/element repository by building and refining over ninety features and resolving critical bugs across core UI components. Focused on front-end development using Angular, TypeScript, and SCSS, the work emphasized accessibility, responsive design, and robust input validation. Delivered upgrades for Angular versions, modernized testing infrastructure with Vitest, and improved CI/CD reliability. Enhanced user experience through UI/UX consistency, localization readiness, and performance optimizations, while maintaining strong documentation and code quality. The technical approach combined component refactoring, explicit change detection strategies, and integration of modern build tools, resulting in a maintainable, scalable, and business-focused codebase.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
246Total
Bugs
23
Commits
246
Features
93
Lines of code
72,460
Activity Months13
Your Network
117 peopleSame Organization
@siemens.com100
Dr. David von OheimbMember
AbdulMember
Adrian FreihoferMember
akash.sonuneMember
Alessandro ZiniMember
alexander-irionMember
Alexander SverdlinMember
Andre FischbachMember
Andreas BerlinerMember
Work History
June 2026
32 Commits • 10 Features
Jun 1, 2026June 2026 (siemens/element) – Focused on UX stability, upgrade readiness, and maintainability. Delivered Angular 22 support, UX refinements to datepicker and filtered-search, and a comprehensive refactor to enforce explicit change detection across components. Strengthened testing and QA with Vitest-based tooling, ESLint plugin integration, and test migrations. Business value realized through improved usability, faster upgrade path, and more predictable performance, with clearer ownership and cleaner code paths.
32 Commits • 10 Features
Jun 1, 2026June 2026 (siemens/element) – Focused on UX stability, upgrade readiness, and maintainability. Delivered Angular 22 support, UX refinements to datepicker and filtered-search, and a comprehensive refactor to enforce explicit change detection across components. Strengthened testing and QA with Vitest-based tooling, ESLint plugin integration, and test migrations. Business value realized through improved usability, faster upgrade path, and more predictable performance, with clearer ownership and cleaner code paths.
June 2026
May 2026
14 Commits • 4 Features
May 1, 2026May 2026 monthly summary for siemens/element: Delivered major front-end enhancements that improve user experience, accessibility, and pipeline reliability while ensuring UI consistency across devices and browsers. Key outcomes include responsive UI across core components, accessibility bindings, stability improvements for the tree view, cross-browser UI fixes, and CI/CD workflow reliability improvements. These efforts collectively enhance cross-device UX, accessibility compliance, visual consistency, and deployment confidence.
May 2026
14 Commits • 4 Features
May 1, 2026May 2026 monthly summary for siemens/element: Delivered major front-end enhancements that improve user experience, accessibility, and pipeline reliability while ensuring UI consistency across devices and browsers. Key outcomes include responsive UI across core components, accessibility bindings, stability improvements for the tree view, cross-browser UI fixes, and CI/CD workflow reliability improvements. These efforts collectively enhance cross-device UX, accessibility compliance, visual consistency, and deployment confidence.
April 2026
25 Commits • 8 Features
Apr 1, 2026April 2026 monthly summary for siemens/element focusing on delivering business value through stability, performance, and consistent UI/UX across core components. Highlights include targeted bug fixes, refactors to improve testing reliability, and performance optimizations that reduce render work and template evaluations. The work accelerates user workflows, enhances reliability in date/time inputs, and strengthens design consistency across the suite.
25 Commits • 8 Features
Apr 1, 2026April 2026 monthly summary for siemens/element focusing on delivering business value through stability, performance, and consistent UI/UX across core components. Highlights include targeted bug fixes, refactors to improve testing reliability, and performance optimizations that reduce render work and template evaluations. The work accelerates user workflows, enhances reliability in date/time inputs, and strengthens design consistency across the suite.
April 2026
March 2026
54 Commits • 27 Features
Mar 1, 2026Summary for 2026-03 (siemens/element): This month focused on modernizing the testing stack, strengthening UI/UX, and improving developer efficiency while preserving product quality. Key achievements include migrating the entire test suite to Vitest across maps, charts, dashboard, element, date-range-filter, and datepicker, as well as completing the element-ng migrations (parts 2–5) and removing Karma/Jasmine in favor of Vitest. UI and accessibility improvements include rendering tab panels outside the tabset via CDK DOM Portal and stabilizing map popovers to display name and description on click. Live preview capabilities were enhanced with Stackblitz integration from examples, complemented by documentation improvements for external tab content and a toolbar example. Several refactors targeted performance and stability, including Datepicker timer handling, Date-range-filter change-detection reductions, and migrating SiDatepickerOverlayComponent to OnPush, along with MainDetailContainer refactor to host bindings. Additional quality and maintenance work covered CODEOWNERS updates, language-switcher translation warning fixes, NG0956 warning prevention, removal of waitForAsync in tree tests, and build improvements (ESLint optimization and rimraf dev dependency). Business value from these changes includes faster and more reliable CI feedback, reduced maintenance costs, clearer ownership, and more robust UI components, enabling quicker releases and steadier customer experiences.
March 2026
54 Commits • 27 Features
Mar 1, 2026Summary for 2026-03 (siemens/element): This month focused on modernizing the testing stack, strengthening UI/UX, and improving developer efficiency while preserving product quality. Key achievements include migrating the entire test suite to Vitest across maps, charts, dashboard, element, date-range-filter, and datepicker, as well as completing the element-ng migrations (parts 2–5) and removing Karma/Jasmine in favor of Vitest. UI and accessibility improvements include rendering tab panels outside the tabset via CDK DOM Portal and stabilizing map popovers to display name and description on click. Live preview capabilities were enhanced with Stackblitz integration from examples, complemented by documentation improvements for external tab content and a toolbar example. Several refactors targeted performance and stability, including Datepicker timer handling, Date-range-filter change-detection reductions, and migrating SiDatepickerOverlayComponent to OnPush, along with MainDetailContainer refactor to host bindings. Additional quality and maintenance work covered CODEOWNERS updates, language-switcher translation warning fixes, NG0956 warning prevention, removal of waitForAsync in tree tests, and build improvements (ESLint optimization and rimraf dev dependency). Business value from these changes includes faster and more reliable CI feedback, reduced maintenance costs, clearer ownership, and more robust UI components, enabling quicker releases and steadier customer experiences.
February 2026
12 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for siemens/element: Delivered UX and reliability improvements with a strong focus on business value, localization, and test infrastructure.
12 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for siemens/element: Delivered UX and reliability improvements with a strong focus on business value, localization, and test infrastructure.
February 2026
January 2026
41 Commits • 14 Features
Jan 1, 2026January 2026 monthly summary for siemens/element highlighting a focused modernization and quality improvement drive. Key efforts included a wide-scale code modernization pass replacing NgClass with modern class syntax across UI components and migrating HostListener usage to host bindings in tree-view. This work improved consistency, maintainability, and future-proofing. The month also delivered UI performance and UX enhancements by adopting native CSS animations across multiple components (toast-notification, side-panel, list-details) and refactoring for smoother visuals. Dependency hygiene was improved through repository-wide non-major dependency updates. In parallel, the team addressed notable bugs affecting the UI and input components and implemented testing improvements to boost reliability. Overall, these changes reduce technical debt, accelerate future development, and deliver a smoother, more predictable user experience.
January 2026
41 Commits • 14 Features
Jan 1, 2026January 2026 monthly summary for siemens/element highlighting a focused modernization and quality improvement drive. Key efforts included a wide-scale code modernization pass replacing NgClass with modern class syntax across UI components and migrating HostListener usage to host bindings in tree-view. This work improved consistency, maintainability, and future-proofing. The month also delivered UI performance and UX enhancements by adopting native CSS animations across multiple components (toast-notification, side-panel, list-details) and refactoring for smoother visuals. Dependency hygiene was improved through repository-wide non-major dependency updates. In parallel, the team addressed notable bugs affecting the UI and input components and implemented testing improvements to boost reliability. Overall, these changes reduce technical debt, accelerate future development, and deliver a smoother, more predictable user experience.
December 2025
4 Commits • 3 Features
Dec 1, 2025December 2025 focused on stabilizing the core UI, improving UX, and hardening input handling across siemens/element. Delivered four concrete updates with strong traceability to commits, improving reliability, user experience, and maintainability while reducing support risk. Key outcomes include reinforced type safety and state handling, robust icon rendering for kebab-case font icons, smoother date-range presets UX, and enhanced password input validation with visual feedback.
4 Commits • 3 Features
Dec 1, 2025December 2025 focused on stabilizing the core UI, improving UX, and hardening input handling across siemens/element. Delivered four concrete updates with strong traceability to commits, improving reliability, user experience, and maintainability while reducing support risk. Key outcomes include reinforced type safety and state handling, robust icon rendering for kebab-case font icons, smoother date-range presets UX, and enhanced password input validation with visual feedback.
December 2025
November 2025
12 Commits • 3 Features
Nov 1, 2025November 2025: Focused on delivering measurable business value through UI polish, reliability improvements, and thorough documentation for siemens/element. Key features delivered include UI iconography polish for the dashboard and navigation using SVGs and centralized si-icon usage; comprehensive documentation updates covering UI utilities, sizing and image-cropper usage; and code-quality improvements such as migrating to takeUntilDestroyed and unifying icon usage. Major bug fixes addressed time handling in the 12-hour clock (12 AM to 0 hours) with tests and made map interactions more robust by guarding the click handler. These changes improve user experience, reduce runtime errors, improve memory management, and accelerate developer onboarding. Technologies demonstrated: Angular/TypeScript, RxJS takeUntilDestroyed patterns, SVG/icon systems, and robust testing and docs pipelines.
November 2025
12 Commits • 3 Features
Nov 1, 2025November 2025: Focused on delivering measurable business value through UI polish, reliability improvements, and thorough documentation for siemens/element. Key features delivered include UI iconography polish for the dashboard and navigation using SVGs and centralized si-icon usage; comprehensive documentation updates covering UI utilities, sizing and image-cropper usage; and code-quality improvements such as migrating to takeUntilDestroyed and unifying icon usage. Major bug fixes addressed time handling in the 12-hour clock (12 AM to 0 hours) with tests and made map interactions more robust by guarding the click handler. These changes improve user experience, reduce runtime errors, improve memory management, and accelerate developer onboarding. Technologies demonstrated: Angular/TypeScript, RxJS takeUntilDestroyed patterns, SVG/icon systems, and robust testing and docs pipelines.
October 2025
9 Commits • 5 Features
Oct 1, 2025October 2025 for siemens/element focused on user input validation, theming consistency, documentation, and test stability to accelerate delivery and reduce runtime defects. Key deliverables include a set of user-facing validation improvements, a migration to the Siemens Element Theme, and strengthened testing infrastructure.
9 Commits • 5 Features
Oct 1, 2025October 2025 for siemens/element focused on user input validation, theming consistency, documentation, and test stability to accelerate delivery and reduce runtime defects. Key deliverables include a set of user-facing validation improvements, a migration to the Siemens Element Theme, and strengthened testing infrastructure.
October 2025
September 2025
8 Commits • 4 Features
Sep 1, 2025September 2025 summary for siemens/element focused on improving time input reliability, localization readiness, and developer experience. Delivered critical 12-hour clock handling fixes, enhanced time picker validation and form integration, expanded 12-hour support for date ranges, and laid groundwork for translations across core UI components, complemented by improved docs and onboarding guidance.
September 2025
8 Commits • 4 Features
Sep 1, 2025September 2025 summary for siemens/element focused on improving time input reliability, localization readiness, and developer experience. Delivered critical 12-hour clock handling fixes, enhanced time picker validation and form integration, expanded 12-hour support for date ranges, and laid groundwork for translations across core UI components, complemented by improved docs and onboarding guidance.
August 2025
15 Commits • 4 Features
Aug 1, 2025August 2025 focused on delivering user-facing features with strong accessibility, improving configurability/validation for date/time inputs, and hardening build stability and localization tooling. Key outcomes include context help with translation-ready UX, UI polish across datatable, dropdowns, and navbar, robust time/date picker logic with signal-based state management and computed validation, and the multi-select lazy provider fix with tests. Together these changes reduce user friction, improve accessibility, and lower maintenance risk while enabling global usage and faster iteration.
15 Commits • 4 Features
Aug 1, 2025August 2025 focused on delivering user-facing features with strong accessibility, improving configurability/validation for date/time inputs, and hardening build stability and localization tooling. Key outcomes include context help with translation-ready UX, UI polish across datatable, dropdowns, and navbar, robust time/date picker logic with signal-based state management and computed validation, and the multi-select lazy provider fix with tests. Together these changes reduce user friction, improve accessibility, and lower maintenance risk while enabling global usage and faster iteration.
August 2025
July 2025
10 Commits • 3 Features
Jul 1, 2025July 2025: Delivered UI/UX refinements, robustness improvements for date handling, and framework modernization in siemens/element to boost usability, reliability, and developer velocity. Key changes include a comprehensive UI/form layout overhaul with consistent col-* usage, margins, and accessible label spacing; calendar-button date inputs; migration of form actions to si-form-fieldset; and block layout refinements for si-form-item. Date-range filtering was hardened to handle empty reference points. Test reliability was improved by forcing desktop layout in headless environments via MediaMatcher mocks. Upgraded Angular to v20 with ESLint and component/directive updates to stay aligned with the latest framework practices.
July 2025
10 Commits • 3 Features
Jul 1, 2025July 2025: Delivered UI/UX refinements, robustness improvements for date handling, and framework modernization in siemens/element to boost usability, reliability, and developer velocity. Key changes include a comprehensive UI/form layout overhaul with consistent col-* usage, margins, and accessible label spacing; calendar-button date inputs; migration of form actions to si-form-fieldset; and block layout refinements for si-form-item. Date-range filtering was hardened to handle empty reference points. Test reliability was improved by forcing desktop layout in headless environments via MediaMatcher mocks. Upgraded Angular to v20 with ESLint and component/directive updates to stay aligned with the latest framework practices.
June 2025
10 Commits • 4 Features
Jun 1, 2025June 2025 performance snapshot for siemens/element focused on delivering robust UI/UX improvements, dependency compatibility, and targeted tooling updates to support faster, safer feature delivery. The work emphasizes business value through mobile-friendly interfaces, accessibility, and alignment with the latest Angular ecosystem while maintaining build stability.
10 Commits • 4 Features
Jun 1, 2025June 2025 performance snapshot for siemens/element focused on delivering robust UI/UX improvements, dependency compatibility, and targeted tooling updates to support faster, safer feature delivery. The work emphasizes business value through mobile-friendly interfaces, accessibility, and alignment with the latest Angular ecosystem while maintaining build stability.
June 2025
Activity
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Quality Metrics
Correctness95.6%
Maintainability92.0%
Architecture91.0%
Performance90.0%
AI Usage22.2%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptMarkdownPNGSCSSShellTypeScriptYAML
Technical Skills
API IntegrationAccessibilityAngularAngular SchematicsBuild ConfigurationBuild ManagementBuild SystemsBuild ToolsCDK IntegrationCI/CDCSSCSS Grid SystemCSS animationsCSS grid layoutChange Detection
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline