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Senior Software Engineer – Backend

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 Team

Tubi's Core Experience Backend team is responsible for building the high-performance, secure, and scalable systems that power our business. We have built disaster-resilient systems to ensure Tubi APIs continue to perform even under extreme traffic conditions. Our team and services have delivered seamless operations for massive events such as the Super Bowl and World Cup while consistently delivering a great experience to our viewers. 

On this team, you will participate in major campaigns, contribute to our critical backend services, support multiple platforms, and play a key role in shaping and refining the overall backend architecture.

About the Role

We are looking for a software engineer who is proactive, collaborative, and pragmatic with a passion for solving real-world problems. In this role, you will:

  • Design and implement high-performance backend services in Elixir
  • Architect and evolve microservices and distributed systems in Kubernetes.
  • Optimize systems for scale, resilience, observability, and security
  • Collaborate with cross-functional teams to deliver pragmatic solutions to complex problems
  • Explore and integrate AI-based development tools into daily workflows
  • Work across service boundaries, own critical architecture/service design, and help evolve Tubi's backend system.

Your Background

  • Experience in Elixir or strong background in other backend or functional programming languages
  • Familiarity with gRPC/Protocol Buffers, RESTful API design, Kubernetes, and observability solutions
  • Experience designing distributed systems with clean APIs and modular components
  • System design and architecture skills with emphasis on reliability and performance
  • Experience with continuous delivery of software systems

Bonus / Preferred

  • Rust programming experience
  • Extensive experience with Elixir in production environments
  • Familiarity with Pingora or Nginx
  • Hands-on experience with Kubernetes

The AI Mandate: AI-Driven Development Practice

This role goes beyond traditional engineering: you will extensively use AI to build the backend stack. The goal is to unlock smarter execution, faster delivery, and automation at scale, while ensuring responsible use of these technologies. This includes but not limited to:

  • AI-Augmented Backend Development: Using AI-assisted coding tools (Claude Code, Cursor, etc.) to accelerate development while maintaining rigorous standards for correctness, security, and performance. You will set the bar for how backend engineers harness AI to iterate faster, write safer code, and document systems more effectively.
  • AI-Enhanced Architecture & Optimization: Exploring how AI can assist in system design, performance tuning, and anomaly detection across Tubi’s distributed backend. You will prototype and integrate AI-powered optimizations that improve throughput, reduce latency, and detect inefficiencies in large-scale microservice architectures.
  • AI-Driven Developer Experience: Contributing to internal tools and platforms that use AI to improve the daily developer workflow, ranging from automated code reviews and test generation to smarter observability dashboards. You will help evolve Tubi’s backend development culture into an AI-native practice.

#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

The expected salary range for this role, with final offer amount dependent on education, skills, experience, and location, is listed annually below. This role is also eligible for an annual discretionary bonus, long-term incentive plan, and various benefits.

Toronto, Ontario, Canada

$137,200 - $196,000 CAD

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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