Software Engineer, Machine Learning

Teamwork makes the stream work.

Roku is changing how the world watches TV

Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers.

From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines.

About the team

Roku pioneered the development of an operating system for TVs. The TV Technology team within the Roku TV NPI group is focused on building TVs with the best Audio and Picture Quality and on enabling innovative technology. With tens of millions of Roku TVs sold across many countries, thousands of streaming channels, and billions of hours watched, having the best Audio Quality Picture Quality is crucial.

About the role

We are looking for a creative and passionate Machine Learning (ML) / Deep Learning (DL) Engineer to join the Roku TV team. You will explore Picture Quality (PQ) and Audio Quality (AQ) improvements using AI in a resource-constrained environment, pushing the limits of what is possible in TV technology. Additionally, this role will involve applying state-of-the-art ML techniques to different PQ and AQ-related tasks. You will play a critical role in building scalable systems and algorithms that enhance streaming experiences for millions of users worldwide.

For California Only - The estimated annual salary for this position is between $135,000 - $185,000 annually. Compensation packages are based on factors unique to each candidate, including but not limited to skill set, certifications, and specific geographical location. This role is eligible for health insurance, equity awards, life insurance, disability benefits, parental leave, wellness benefits, and paid time off.

What you’ll be doing

Explore and implement AI-driven Picture Quality and Audio Quality improvements for Roku TV

Apply advanced ML techniques in the optimization of models to enhance video and audio processing pipelines

Research, understand, and implement technical papers on ML/DL to solve complex challenges

Collaborate with engineering teams and cross-functional partners to translate business requirements into technical solutions

Run experiments and analyze results against critical business KPIs

We’re Excited If You Have

1+ years of experience applying Machine Learning to concrete problems at scale

Strong CS fundamentals; ability to write efficient algorithms with ease

Hands-on experience with Machine Learning / Deep Learning frameworks like TensorFlow or PyTorch

Proficiency in coding firmware development using C++

Proficiency in coding ML/DL algorithms using Python

Solid understanding of DL fundamentals, including RNN, CNN, and multi-modal models

Familiarity with video processing pipelines and audio pipelines

AI literacy and curiosity—whether through previous work or personal exploration

Excellent communication skills, strong work ethic, and works with minimum supervision

Have hands-on experience with edge devices like jetson nano, kadas, and similar

Research background preferred; ability to understand and implement technical papers on ML/DL

Published papers in the field of ML/DL are a bonus

Hold an MS or PhD in Computer Science, Electrical Engineering, or related fields - Preferred

#LI-DH2

Our Hybrid Work Approach

Roku fosters an inclusive and collaborative environment where teams generally work in the office Monday through Thursday. Fridays are generally flexible for remote work, except for employees whose specific roles or assigned office location require five days' a week attendance.

Benefits

Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter.

Accommodations

Roku welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicab…