RxJS & Reactive Programming

Uses RxJS and reactive programming at a basic level. Creates simple components from designs. Understands basic concepts and follows component guidelines.

Independently implements complex UI components with RxJS and reactive programming. Optimizes rendering performance. Writes tests. Applies state management tools.

Designs frontend architecture with RxJS and reactive programming. Optimizes bundle size and Core Web Vitals. Creates design systems and reusable components. Mentors the team.

Defines frontend architecture at the product level with RxJS and reactive programming. Establishes standards and best practices. Conducts architectural reviews.

Shapes reactive programming strategy: balancing RxJS and Angular signals, migration plan for complex Observable chains to signal-based approach, custom reactive primitives for specific business tasks.