Hirehangar
Senior Frontend Engineer
South Africa - Cape Town
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- Role family
- Engineering
- Seniority
- Senior
- Country
- ZA
- Work mode
- Remote-friendly
- First seen by hirly
- 1 Sept 2026
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the posting
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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