• Define and lead the architecture of our frontend ecosystem, focusing on scalability, performance, and maintainability. • Own and evolve our unified design system, component library, and UI patterns in partnership with Design. • Improve developer velocity through standardized tooling, templates, build pipelines, and testing frameworks. • Establish and document frontend best practices, coding standards, and architectural guidelines. • Set and enforce performance budgets, accessibility standards, and UI quality benchmarks. • Integrate automated testing (unit, integration, visual, accessibility) into CI workflows. • Collaborate with Product, Design, and Engineering teams to deliver cohesive, high-quality user experiences. • Mentor and influence engineers across teams, driving adoption of shared systems and frontend excellence. • Lead cross-team initiatives that modernize the frontend stack and improve product delivery velocity.