← Hire Hangar

Senior Frontend Engineer

Hire Hangar Agency Senior Software & IT

Hire Hangar is seeking a Senior Frontend Engineer to build AI-powered product interfaces and analytics-driven user experiences using React and Next.js.

Can a South African apply?

The employer’s own job board lists this role’s eligible location as:

South Africa (Remote)

Taken from the structured location field on the employer’s job board, not from the wording of the advert, when we last checked it on 2026-09-27. Employers change eligibility without notice — the employer’s page is the authority, not this one.

What it pays

Not published. This posting states no figure, and we do not estimate one. Ask during the first conversation.

The full posting

Reproduced from the employer’s own listing, unedited.

Read the posting in full · 432 words

Join Hire Hangar and work with fast-growing global companies while building a long-term career.

Job TitleSenior Frontend Engineer

LocationRemote

Time ZoneUS 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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