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Tobias Holler

PROFILE

Tobias Holler

Worked on the it-at-m/eappointment repository, delivering features across authentication, appointment scheduling, and deployment automation. Built user authentication and external login endpoints, enabling secure access and streamlined appointment flows for authenticated users. Enhanced frontend reliability by implementing CI/CD pipelines with Docker and Vite, optimizing build triggers, and modernizing production configuration. Developed a custom web component with i18n support to standardize localization, and introduced Nginx-based CORS handling during an API gateway transition. Refactored core API and state management logic using TypeScript and Vue.js, improving maintainability and stability. Focused on reducing deployment friction, improving code quality, and supporting scalable, secure releases.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

34Total
Bugs
1
Commits
34
Features
12
Lines of code
2,957
Activity Months5

Your Network

54 people

Same Organization

@muenchen.de
33
alexander.boxhornMember
alexander.kerscherMember
benedikt.jurschMember
Benedikt MüllerMember
Christian VierthalerMember
Daniel NischwitzMember
Dominik GrenzMember
Martin BayrMember
Fabian ReinoldMember

Work History

October 2025

13 Commits • 5 Features

Oct 1, 2025

October 2025 monthly summary focusing on key accomplishments across the it-at-m/eappointment frontend: authentication-aware appointment flow, enhanced scheduling configuration, and robust API/state architecture. The work reduces user friction for authenticated patients, enables more precise scheduling, and stabilizes frontend-backend interactions.

August 2025

9 Commits • 3 Features

Aug 1, 2025

Monthly performance summary for 2025-08 focused on delivering user-facing authentication capabilities, stabilizing the deployment pipeline, and improving code quality across the eAppointment repository. The work emphasizes business value through secure access, smoother releases, and maintainable code.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 — It-at-m/eappointment: Delivered a ZMS Appointment wrapper with i18n support to standardize localization across the appointment UI and streamline integration. Introduced a new custom element 'zms-appointment' that composes 'zms-appointment-wrapped' with an 'i18n-host' to manage attributes and content, enabling reliable internationalization and content propagation.

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025: Implemented a controlled temporary Nginx-based CORS enablement to support cross-domain API access during the API gateway transition, reducing integration friction for frontend apps and partner clients. Completed a deliberate rollback of the temporary CORS configuration as the transition matured, restoring the standard security posture. All changes are fully traceable via commits and linked work items.

November 2024

9 Commits • 2 Features

Nov 1, 2024

November 2024 performance highlights: two major features delivered for it-at-m/eappointment, focusing on deployment automation and production readiness. Implemented end-to-end CI/CD pipelines across backend and frontend, including Docker image builds and branch tagging, plus streamlined frontend build triggers to achieve faster, more reliable releases. Production environment improvements wired environment variables, added a dynamic asset base path, and modernized build/import behavior to improve TypeScript/JavaScript module handling and overall production config. These changes reduced manual release steps, improved deployment reliability, and strengthened production parity between development, staging, and production. Technologies demonstrated include CI/CD tooling, Docker, Vite, environment variable management, and robust production config. Business value: faster time-to-market, safer releases, and more predictable deployments with less drift.

Activity

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Quality Metrics

Correctness83.8%
Maintainability84.6%
Architecture79.2%
Performance73.4%
AI Usage20.6%

Skills & Technologies

Programming Languages

DockerfileEnvironment VariablesHTMLJavaScriptNginxNginx configurationPHPSQLTypeScriptVue

Technical Skills

API DevelopmentAPI IntegrationAuthenticationBackend DevelopmentBuild ToolsCI/CDCORSCode RefactoringConfigurationDatabase ManagementDevOpsDockerFront-end DevelopmentFrontend DevelopmentGitHub Actions

Repositories Contributed To

1 repo

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

it-at-m/eappointment

Nov 2024 Oct 2025
5 Months active

Languages Used

DockerfileEnvironment VariablesJavaScriptNginx configurationTypeScriptYAMLNginxHTML

Technical Skills

CI/CDConfigurationDockerFront-end DevelopmentFrontend DevelopmentGitHub Actions