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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