Senior Web Video Playback Engineer: Low-Latency Streaming

5V Video; United States; On-site; USD 120,000 - 190,000; Full time

Job summary

5V Video is seeking a software engineer to advance our web video player stack. You will work on playback with Shaka Player, hls.js or dash.js, focusing on robustness and performance across browsers.

You will implement HLS/DASH with CMAF, LL-HLS/LL-DASH, and MSE/EME integration for secure, high-quality streaming. In addition, you’ll optimize ABR, buffering, and startup behavior while supporting ad insertion and captions.

Qualifications

• 3–5+ years of software engineering with a focus on web video playback.
• Hands-on experience with at least one of Shaka Player, hls.js, dash.js or Video.js at source level.
• Deep knowledge of HLS and DASH: manifests, segments, bitrate ladders, live vs VOD behavior.
• Practical experience with MSE/EME and DRM integration.
• Understanding of CDNs, caching and how delivery affects playback.

Responsibilities

• Build, maintain, and extend a web video player using Shaka Player, hls.js and/or dash.js.
• Implement and troubleshoot HLS/DASH playback including CMAF and LL-HLS/LL-DASH.
• Work with MSE/EME to deliver secure playback with multi-DRM (Widevine, PlayReady, FairPlay).
• Tune ABR logic, buffer management and startup behavior to improve QoE metrics.
• Assist with ad insertion (SSAI/CSA I, e.g. IMA), and handle captions/subtitles and multiple audio tracks.

Skills

Web video playback

Shaka Player

hls.js

dash.js

MSE/EME

DRM integration

ABR tuning

QoE metrics

Job description

5V Video is seeking a software engineer to advance our web video player stack. You will work on playback with Shaka Player, hls.js or dash.js, focusing on robustness and performance across browsers.

You will implement HLS/DASH with CMAF, LL-HLS/LL-DASH, and MSE/EME integration for secure, high-quality streaming. In addition, you’ll optimize ABR, buffering, and startup behavior while supporting ad insertion and captions.