Senior Frontend Engineer
hirehangar · 10 days ago
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
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Build and maintain frontend applications using React 19 and Next.js App Router
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Develop dashboards and data-heavy interfaces
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Translate designs into responsive production-ready UI
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Build complex forms and scalable frontend components
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Integrate AI-powered workflows and LLM functionality
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Work with real-time frontend data flows
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Optimize frontend performance and usability
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Collaborate with product, design, and engineering teams remotely
Required Qualifications
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Strong production experience with React 19 and Next.js App Router
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Expert-level TypeScript strict mode experience (non-negotiable)
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Strong Tailwind CSS implementation skills
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Experience building dashboards, analytics tools, or data-heavy applications
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Experience with Server Components and frontend state management
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Production experience integrating LLM APIs into applications
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Practical prompt engineering experience
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Experience with OpenAI APIs or AI SDKs
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Familiarity with AI-assisted development tools such as Cursor, Copilot, or Claude Code
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Experience working with Supabase or similar BaaS platforms
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Ability to work with PostgreSQL schemas and relational data structures
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Experience implementing polling and real-time data-fetching patterns
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Strong written and verbal English communication skills
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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
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Experience working on AI-native products
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Familiarity with modern charting and visualization libraries
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Experience contributing to design systems and scalable UI architecture
Tools & Technology
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React 19
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Next.js App Router
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TypeScript
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Tailwind CSS
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Supabase
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PostgreSQL
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OpenAI API / AI SDKs
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Cursor, Copilot, Claude Code
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Google Workspace
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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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