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Senior Software Engineer, Video Player

San Francisco, CA (Hybrid); Toronto, Canada (Hybrid)

About Tubi:

Boldly built for every fandom, Tubi is a free streaming service that entertains over 100 million monthly active users. Tubi offers the world's largest collection of Hollywood movies and TV shows, thousands of creator-led stories and hundreds of Tubi Originals made for the most passionate fans. Headquartered in San Francisco and founded in 2014, Tubi is part of Tubi Media Group, a division of Fox Corporation.

About the Role:

The Player Engineering Team builds and maintains the core playback experience for Tubi clients — spanning Android Mobile, Android TV, Web, Smart TVs, gaming consoles, and set-top boxes. We are the cornerstone of video playback at Tubi, ensuring millions of viewers enjoy smooth, high-quality, free streaming daily. From optimizing performance on low-spec devices to developing advanced player features, you will play a key role in delivering top-tier media technology at scale. This role provides high visibility and direct impact—every improvement you implement enhances user experience and drives Tubi's business growth. 

This role is hybrid in either San Francisco or Toronto. 

What You'll Do:

  • Design, develop, and maintain next-generation video player technology across diverse platforms, including Android Mobile, Android TV, Smart TVs, gaming consoles, and OTT devices.
  • Enhance media playback performance, stability, and reliability using technologies such as MSE, EME, WebAssembly (WASM), Web Workers, WebCodecs, and WebGPU.
  • Build player features that optimize user experience — from adaptive streaming to interactive playback controls.
  • Collaborate with cross-functional teams to deliver seamless integration between player, UI, and backend systems.
  • Contribute to open-source media player libraries and represent Tubi in the wider developer community.
  • Mentor other engineers and help shape best practices for performance and quality.

Your Background:

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience.
  • 5+ years of software engineering experience in video playback, streaming, or media systems.
  • Proficiency with JavaScript, React, HTML5/CSS, and modern front-end frameworks.
  • Experience with media APIs such as MSE and EME.
  • Familiarity with video players (Hls.js, Shaka Player, dash.js, or Video.js).
  • Strong understanding of browser internals and performance optimization for constrained devices.
  • Experience with TypeScript is a plus.
  • A passion for quality, scalability, and crafting reliable playback systems for millions of users.

You will:

  • Detect anomalies with AI: Develop systems that automatically identify playback failures, quality degradation, and device-specific anomalies in real time.
  • Accelerate development with AI tools: Use AI-assisted coding, testing, and profiling to improve velocity, quality, and observability.
  • Leverage AI for insights: Create tools that use AI to analyze experiments, interpret metrics, and crawl device logs to uncover insights about user playback experiences.
  • Explore smarter algorithms: Research and implement advanced adaptive bitrate (ABR) logic and AI-driven optimization strategies to further improve playback quality, startup latency, and stability across devices.

#LI-CL1 

#LI-Hybrid

Pursuant to state and local pay disclosure requirements, the pay range for this role, with final offer amount dependent on education, skills, experience, and location is is listed annually below. This role is also eligible for an annual discretionary bonus, long-term incentive plan, and various benefits including medical/dental/vision, insurance, a 401(k) plan, paid time off and other benefits in accordance with applicable plan documents.

High cost labor markets such as but not limited to Los Angeles, New York City, and San Francisco

$186,400 - $266,300 USD

Tubi is a division of Fox Corporation, and the FOX Employee Benefits summarized here, covers the majority of all US employee benefits.  The following distinctions below outline the differences between the Tubi and FOX benefits:

  • For US-based non-exempt Tubi employees, the FOX Employee Benefits summary accurately captures the Vacation and Sick Time.
  • For all salaried/exempt employees, in lieu of the FOX Vacation policy, Tubi offers a Flexible Time off Policy to manage all personal matters.
  • For all full-time, regular employees, in lieu of FOX Paid Parental Leave, Tubi offers a generous Parental Leave Program, which allows parents twelve (12) weeks of paid bonding leave within the first year of birth, adoption, surrogacy, or foster placement of a child in addition to applicable government leave program(s) and FOX’s short-term disability policy. This time is 100% paid through a combination of any applicable state, city, and federal leaves and wage-replacement programs in addition to contributions made by Tubi.
  • For all full-time, regular employees, Tubi offers a monthly wellness reimbursement.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, gender identity, disability, protected veteran status, or any other characteristic protected by law. We will consider for employment qualified applicants with criminal histories consistent with applicable law.

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