Senior Frontend Engineer

we are looking for a Senior Frontend Engineer.
As a Senior Frontend Engineer, you are the architect of the first impression and a leader in technical execution. Your mission is to define and build highly responsive, intuitive web experiences that set the industry standard for usability and speed.
You will leverage and guide the team in modern React architecture best practices, ensuring that every interaction feels instant, every pixel serves a purpose, and our customers enjoy a frictionless, performant product experience at massive scale.
You arent just implementing designs; you are engineering the high-performance engine that powers our customer experience, obsessed with delivering a high-quality, snappy UI at scale and mentoring others to do the same.
Key Responsibilities
Modern Stack Architecture & Leadership: Architect, build, and lead the implementation of production-grade applications using Tanstack/Next.js and advanced React patterns to deliver optimized, scalable, and maintainable user interfaces. Act as a subject matter expert for the frontend stack.
Performance Obsession & Ownership: Own the Speed Index across multiple applications. You will proactively define, measure, and optimize Core Web Vitals (LCP, CLS, INP) and fine-tune bundle sizes to ensure our apps perform flawlessly on any network, setting performance standards for the team.
Component Craftsmanship & Design System Leadership: Design and build composable, accessible, and themeable UI libraries using Radix UI, shadcn/ui, and Tailwind CSS. You will be a key contributor and owner of our internal design system, ensuring consistency, accessibility, and scalability across the organization.
State & Data Mastery: Design and implement robust strategies for managing complex server and client state seamlessly, ensuring data is fresh, cached efficiently, synchronized perfectly, and the data flow is highly performant.