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Sr . JavaScript Developer

Sr . JavaScript Developer

Zuree Telecom

6 - 11 years

11 - 16 Lacs

Mumbai Hyderabad New Delhi Pune Chennai Bengaluru

Posted:3 weeks ago| Platform:

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Skills Required

Telecom Backend html5 Javascript HTTP VOD Troubleshooting Analytics DRM CSS3

Work Mode

Work from Office

Job Type

Full Time

Job Description

Seeking a highly skilled and experienced JavaScript Developer with a strong background in HTML5 video player development for OTT platforms. The ideal candidate should have hands-on expertise in Video.js, adaptive streaming protocols (DASH/HLS), Digital Rights Management (DRM), and deep knowledge of live and VOD streaming technologies. Candidate will be responsible for developing, optimizing, and maintaining our custom HTML5 video player that delivers high-quality playback across platforms and devices

Responsibilities:

Essential Qualification: Key Responsibilities: 1. Design, develop, and maintain a custom HTML5-based video player using JavaScript and libraries like Video.js 2. Integrate and support adaptive bitrate streaming protocols such as HLS and MPEG-DASH 3. Implement and manage DRM (Widevine, FairPlay, PlayReady) using EME (Encrypted Media Extensions) for secure content playback 4. Optimize startup time, buffering, latency, and seamless playback for both VOD and live streams 5. Develop custom plugins and components for player enhancements (analytics, ads, subtitles, QoE, etc.) 6. Troubleshoot playback issues across browsers and devices, ensuring a consistent cross-platform experience. 7. Collaborate with backend, QA, DevOps, and design teams to ensure seamless integration of player with backend APIs, CDNs, and analytics 8. Maintain code quality, write unit/integration tests, and participate in code reviews. Must-Have Skills: 1. Strong expertise in JavaScript (ES6+), HTML5, CSS3. 2. Minimum 6 years of professional experience in JavaScript development, especially on video platforms. 3. In-depth experience with Video.js or similar video player libraries (Shaka Player, hls.js, dash.js). 4. Knowledge of adaptive streaming protocols: HLS (HTTP Live Streaming), MPEG-DASH. 5. Hands-on experience with DRM technologies: Widevine, FairPlay, PlayReady, and EME. 6. Familiarity with MSE (Media Source Extensions) and browser media capabilities. 7. Experience in OTT platforms, both live and VOD streaming. 8. Knowledge of cross-browser and responsive video playback challenges.

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Sr . JavaScript Developer