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Frontend-Focused Full Stack Developer at Hire Hangar. Remote Location: Mexico - Mexico City. Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career.. Job Title. Frontend-Focused Full Stack Developer (AI & Data Visualization). Location. Remote. Time Zone. US Time Zones (EST–PST). Role Overview. We are seeking a frontend-focused Full Stack Developer with strong experience in React, AI integrations, and data visualization. This role is heavily frontend-oriented and focused on building modern, scalable product experiences, dashboards, and AI-powered functionality.. Key Responsibilities. Build frontend applications using React 19, Next.js App Router, and TypeScript. Develop responsive, pixel-perfect UI from design files. Create dashboards and data visualization interfaces. Implement advanced forms, validation flows, and interactive UI patterns. Integrate LLM APIs and AI-powered features into production applications. Work with Supabase or similar BaaS platforms and real-time data flows. Surface analytics and metrics within frontend applications. Collaborate with cross-functional remote teams. Required Qualifications. Production experience with React 19 and Next.js App Router. Strong TypeScript strict mode experience (non-negotiable). Tailwind CSS component-level implementation experience. Experience with Server Components and frontend state management. Strong dashboard and data visualization experience. Experience integrating LLM APIs and AI functionality into products. 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 equivalent BaaS platforms. Ability to work with PostgreSQL schemas and relational data. Experience with real-time data fetching and polling patterns. Strong written and spoken English communication skills. Must have 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 building AI-powered SaaS products. Familiarity with analytics and reporting interfaces. Startup or fast-paced product environment experience. 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.