Develop and maintain scalable Single Page Applications (SPAs) using Angular (v12) | TypeScript | RxJS | and modern UI design principles.Implement responsive and accessible user interfaces using HTML5 | CSS3 SCSS | and WCAG 2.1 AA accessibility standards.Integrate frontend components with REST GraphQL APIs | handle authentication flows (OAuth 2.0 OIDC) | and manage API error handling and interceptors.Work with state management libraries such as NgRx NGXS Akita to maintain predictable application state and improve performance.Optimize application performance through lazy loading | code splitting | OnPush change detection | and reusable component design.Write clean | maintainable | and testable code with unit tests (Karma Jasmine Jest) and end-to-end tests (Cypress Playwright).Participate in Agile ceremonies | including sprint planning | grooming | daily stand-ups | and retrospectives.Collaborate closely with backend | UX | QA | and DevOps teams to deliver secure | high-quality features i...