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Frontend Developer

FlixStock

2 - 5 years

Gurugram

Posted: 24/12/2025

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Job Description

About the Role

We are looking for a Frontend Engineer with deep expertise in video-centric web applications to build and scale a next-generation AI video generation and video editing portal .

This role sits at the core of our product experience designing and developing video editors, real-time previews, timelines, overlays, and playback systems that allow users to generate and edit AI-powered videos directly in the browser.

You will work closely with product, design, backend, and AI/ML teams to ship high-performance, production-grade video tools used daily by global customers.


Key Responsibilities

Video & Frontend Engineering

  • Design and build AI video generation and browser-based video editing UIs
  • Implement custom video players supporting HLS adaptive streaming, MP4 playback, and real-time preview rendering


  • Build video timelines, layers, overlays, captions, and scene-based editors



  • Handle video state transitions: loading, rendering, processing, exporting, and playback


  • Develop reusable video components for previews, thumbnails, scrubbers, and controls



Real-Time & System Integration

  • Integrate with REST and WebSocket-based pipelines for real-time job updates


  • Collaborate with backend teams on video processing workflows and export pipelines



  • Handle edge cases like long-running jobs, retries, partial renders, and failures



Quality & Collaboration

  • Write clean, maintainable, and well-tested code


  • Contribute to CI/CD pipelines and frontend build workflows


  • Participate in code reviews, architecture discussions, and performance audits


Required Skills & Qualifications

  • 3+ years of experience in frontend development


  • Strong expertise in React.js + TypeScript/js



  • Hands-on experience with video manipulation on web portals



  • Solid understanding of:


  • HLS, MP4, Media Source Extensions (MSE)


  • Browser video APIs, Canvas, and rendering pipelines


  • Experience building media-heavy UIs (editors, timelines, previews)


  • Advanced state management (Redux Toolkit or similar)


  • Strong grasp of browser performance optimization



  • Proficiency with modern HTML, CSS, and CSS-in-JS solutions


  • Comfortable with Git workflows, code reviews, and collaborative development


Nice to Have


  • Experience with WebRTC or real-time video systems



  • Familiarity with video analytics, watch-time tracking, and drop-off analysis



  • Experience building WYSIWYG editors or drag-and-drop interfaces



  • Basic understanding of backend systems (Node.js, Python, or Go)


  • Open-source contributions or technical writing


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