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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