Architect and design scalable, modular frontend systems Build and maintain core UI components using modern technologies Identify and resolve performance and rendering bottlenecks Implement secure and compliant UI flows with proper authentication, authorization, data protection, and web accessibility standards Manage state management, client-side caching, and data flows effectively Develop and maintain unit, integration, and end-to-end tests Prepare and maintain technical documentation Conduct code reviews Ensure alignment between frontend implementations and business requirements Work closely with backend, product, and design teams Provide timely progress updates and escalate challenges