Join Hire Hangar and work with fast-growing global companies while building a long-term career. Job Title: Senior Frontend Engineer 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 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 * Practical prompt engineering experience * Experience with OpenAI APIs or AI SDKs * Familiarity with AI-assisted development tools such as Cursor, Copilot, or Claude Code * Experience working with Supabase or similar BaaS platforms * Ability to work with PostgreSQL schemas and relational data structures * Experience implementing polling and real-time data-fetching patterns * Strong written and verbal English communication skills * Prior remote work experience, be fluent with remote collaboration tools and platforms (such as Slack, Zoom, Google Workspace, Jira, Linear, or similar), and have ideally worked with US or UK-based companies. Applications without this experience will not be considered. Preferred Qualifications * Experience working on AI-native products * Familiarity with modern charting and visualization libraries * Experience contributing to design systems and scalable UI architecture Tools & Technology * React 19 * Next.js App Router * TypeScript * Tailwind CSS * Supabase * PostgreSQL * OpenAI API / AI SDKs * Cursor, Copilot, Claude Code * Google Workspace * Slack, Zoom, and other remote collaboration tools Please NOTE It is crucial that you complete the application form in full. As part of the application process, you will be required to record a video. If your application is successful, you will receive an email confirming next steps—the video is the first step of the interview process. If you do not record a video, we will not be able to consider you for ANY open roles. We connect top talent with vetted employers, competitive pay, and real growth opportunities.

Senior Frontend Engineer

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