Developed foundational frontend architecture for the IsyFact/isyfact-standards repository, focusing on establishing a scalable single-page application structure integrated with an API Gateway to enhance security and performance. Defined architectural standards and authored comprehensive documentation, including an introduction, target vision, and a dedicated chapter on architecture principles and guidelines. Emphasized modular frontend design and SPA best practices to improve maintainability and cross-team consistency. Leveraged skills in architecture design, documentation, and frontend development, utilizing Markdown and YAML for clear, accessible technical writing. The work accelerated onboarding, reduced architectural drift, and provided a robust baseline for future enhancements within the frontend stack.