Senior Frontend Engineer (AI Products & Analytics UI)

Hire Hangar is seeking a Senior Frontend Engineer to join our team. You will work with fast-growing global companies and build a long-term, remote career. This role is ideal for engineers passionate about crafting highly interactive frontend applications, modern React architecture, and AI integrations, specifically focusing on AI-powered product interfaces and analytics-driven user experiences.

Location

Remote

Time Zone Alignment

Required to work within US Time Zones (EST–PST).

Role Overview

As a Senior Frontend Engineer, you will be instrumental in developing sophisticated AI product interfaces and user experiences powered by analytics. This is a unique opportunity to leverage modern React architecture and integrate cutting-edge AI functionalities.

Key Responsibilities

• Build and maintain robust frontend applications utilizing React 19 and Next.js App Router.

• Develop advanced dashboards and data-intensive interfaces.

• Translate complex designs into pixel-perfect, responsive, production-ready user interfaces.

• Engineer complex forms and scalable frontend components.

• Integrate AI-powered workflows and leverage Large Language Model (LLM) capabilities.

• Work with Supabase for backend services and implement real-time frontend data flows.

• Focus on optimizing frontend performance and enhancing user usability.

• Collaborate effectively with product, design, and engineering teams in a remote setting.

Required Qualifications

• Demonstrated production experience with React 19 and Next.js App Router.

• Expert-level proficiency in TypeScript with strict mode enabled (non-negotiable).

• Strong practical skills in Tailwind CSS implementation.

• Proven experience building dashboards, analytics tools, or data-heavy applications.

• Experience with Server Components and effective frontend state management strategies.

• Production experience integrating LLM APIs into frontend applications.

• Practical experience in prompt engineering.

• Familiarity and experience with OpenAI APIs or other AI SDKs.

• Experience utilizing AI-assisted development tools such as Cursor, Copilot, or Claude Code.

• Hands-on experience with Supabase or similar Backend-as-a-Service (BaaS) platforms.

• Understanding of PostgreSQL schemas and relational data structures.

• Experience implementing polling and real-time data-fetching patterns.

• Exceptional written and verbal English communication skills.

• Must have prior experience working remotely, be proficient with remote collaboration tools (Slack, Zoom, Google Workspace, Jira, Linear, etc.), and ideally have experience with US or UK-based companies. Applications lacking this experience will not be considered.

Preferred Qualifications

• Experience working on AI-native products.

• Familiarity with modern charting and data visualization libraries.

• Experience contributing to design systems and architecting scalable UI.

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

Application Process Note: All applicants must complete the application form and record a video as the first step of the interview process. Failure to record a video will result in your application not being considered for any open roles.