Senior Frontend Engineer

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.

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