JOB DETAILS

Senior Software Engineer, Machine Learning

CompanyRoku
LocationAustin
Work ModeOn Site
PostedJanuary 18, 2026
About The Company
With the #1 platform for streaming television in the U.S., Roku wants to revolutionize the way the world watches TV. Our Roku-branded TVs, Roku TV models, Smart Home system, streaming players, audio equipment, and the purpose-built operating system that powers it all can turn any home into a home theater, with seamless integration of hardware and software. Our commitment to our users extends to our brand studio, which creates innovative Roku Originals exclusively for The Roku Channel, a free channel that reaches approximately 80 million households in the U.S. and Mexico. Join us and you'll have the chance to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. Be a part of shaping the future of streaming at weareroku.com.
About the Role
<div class="content-intro"><h2 style="font-family: GothamBold,Helvetica,Arial,sans-serif; color: #662d91;">Teamwork makes the stream work.</h2> <p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Roku is changing how the world watches TV</strong></h3> <p>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.</p> <p>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.</p> <p>&nbsp;</p></div><h3><strong>About the Team</strong>&nbsp;</h3> <p>The Roku Voice team is responsible for Roku's Voice product, which is used by millions of Roku users. We allow our users to easily and effortlessly control their TV, find content to stream, and more, all through the power of their voice. We deliver this engaging and delightful experience to our users through state-of-the-art technologies and platforms.<br>&nbsp;</p> <h3><strong>About the Role&nbsp;</strong></h3> <p>Roku is building a world-class voice system that is used by millions of Roku users. The Roku Voice team is looking for ambitious, experienced machine learning engineers with a background in one or more of the following areas: artificial intelligence, natural language understanding, machine learning, automated speech recognition, conversational systems, and building large-scale production systems. You have a once-in-a-lifetime opportunity to contribute to building the very core of the Roku Voice product and be part of a world-class team.</p> <h3>&nbsp;<br><strong>What You'll Be Doing</strong></h3> <ul> <li>Design and develop software and algorithms for Roku’s state-of-the-art voice system&nbsp;</li> <li>Design and develop software components for high-availability and high-performance cloud solutions</li> <li>End-to-end responsibility from developing a proof of concept to production</li> <li>Have a strong programming background with a lot of hands-on experience in building large-scale production systems</li> <li>Strong algorithmic background and like intellectual challenges and solving complex problems</li> <li>Working across teams and pulling in the best talent from the organization to achieve your goals</li> <li>Contribute with new ideas and evaluate multiple solutions with your peers before settling down on specific solutions</li> <li>You are self-driven, willing, and able to take complete ownership of initiatives and make pragmatic technical decisions&nbsp;</li> </ul> <h3>&nbsp;<br><strong>We're Excited If You Have</strong></h3> <ul> <li>5+ years of machine learning experience</li> <li>Experience working with big data systems (Spark, EMR, S3, Airflow) and programming languages (Java or Python, or C++)</li> <li>Good understanding of machine learning fundamentals like regression, classification, ranking, neural networks, and sequence models for text/speech</li> <li>Hands-on experience in building challenging production systems</li> <li>Strong CS fundamentals, with the ability to write algorithms with ease</li> <li>Familiarity and experience deploying and maintaining machine learning models (transformer-based models in production is a plus), including identifying the right KPIs and objective functions</li> <li>Experience with advanced machine learning techniques, including LLM and generative AI</li> <li>Experience building in-production NLU and/or ASR systems</li> <li>Bachelor's Degree required</li> </ul> <h6><br>#LI-SSC</h6><div class="content-conclusion"><p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Our Hybrid Work Approach</strong></h3> <p>Roku fosters an inclusive and collaborative environment where teams work in the office Monday through Thursday. Fridays are flexible for remote work except for employees whose roles are required to be in the office five days a week or employees who are in offices with a five day in office policy.</p> <p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Benefits</strong></h3> <p>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). Our employees can take time off work for vacation and other personal reasons to balance 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.</p> <p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Accommodations</strong></h3> <p>Roku welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicable law. If you require reasonable accommodation at any point in the hiring process, please direct your inquiries to <a href="mailto:employeerelations@roku.com?subject=Job%20Application%20Accommodations">EmployeeRelations@Roku.com</a>.</p> <p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>The Roku Culture</strong></h3> <p>Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV. </p> <p>We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002. </p> <p>To learn more about Roku, our global footprint, and how we've grown, visit <a href="https://www.weareroku.com/factsheet">https://www.weareroku.com/factsheet</a>.</p> <p>By providing your information, you acknowledge that you want Roku to contact you about job roles, that you have read Roku's <a href="https://www.weareroku.com/roku-job-applicant-privacy-notice-for-job-applicants">Applicant Privacy Notice</a>, and understand that Roku will use your information as described in that notice. If you do not wish to receive any communications from Roku regarding this role or similar roles in the future, you may unsubscribe at any time by emailing <a href="mailto:workforceprivacy@roku.com?subject=Unsubscribe%20Request%20" target="_blank">WorkforcePrivacy@Roku.com</a>.</p></div>
Key Skills
Machine LearningArtificial IntelligenceNatural Language UnderstandingAutomated Speech RecognitionConversational SystemsBig Data SystemsJavaPythonC++RegressionClassificationNeural NetworksSequence ModelsNLUASRProduction Systems
Categories
TechnologySoftwareData & AnalyticsEngineering
Benefits
HealthcareMental Health SupportFinancial Wellness SupportVacation TimeRetirement Options
Job Information
📋Core Responsibilities
Design and develop software and algorithms for Roku’s voice system. Take end-to-end responsibility from developing a proof of concept to production.
📋Job Type
full time
📊Experience Level
5-10
💼Company Size
4209
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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