Senior Frontend Engineer

Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career. JOB TITLE Senior Frontend Engineer (AI Products & Analytics UI) LOCATION Remote TIME ZONE US Time Zones (EST–PST) ROLE OVERVIEW We are seeking a Senior Frontend Engineer to build AI-powered product interfaces and analytics-driven user experiences. This role is ideal for someone who enjoys building highly interactive frontend applications using modern React architecture and AI integrations. KEY RESPONSIBILITIES - Build and maintain frontend applications using React 19 and Next.js App Router - Develop dashboards and data-heavy interfaces - Translate designs into responsive production-ready UI - Build complex forms and scalable frontend components - Integrate AI-powered workflows and LLM functionality - Work with Supabase and real-time frontend data flows - Optimize frontend performance and usability - Collaborate with product, design, and engineering teams remotely REQUIRED QUALIFICATIONS - Strong production experience with React 19 and Next.js App Router - Expert-level TypeScript strict mode experience (non-negotiable) - Strong Tailwind CSS implementation skills - Experience building dashboards, analytics tools, or data-heavy applications - Experience with Server Components and frontend state management - Production experience integrating LLM APIs into applications - Practica...