Senior Software Engineer, Machine Learning
Hybrid
Cambridge, United Kingdom
Full Time
25-03-2025
Job Specifications
Teamwork makes the stream work.
Roku Is Changing How The World Watches TV
Roku is the #1 TV streaming platform in the US 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
The Roku Voice team is responsible for Roku's Voice product, this 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.
About The Role
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.
What You'll Be Doing
Design and develop software and algorithms for Roku’s state of the art voice system
Design and develop software components for high availability and high performance cloud solutions
End-to-end responsibility from developing a proof of concept to production
Have a strong programming background with a lot of hands-on experience in building large scale production systems
Strong algorithmic background and like intellectual challenges and solving complex problems
Working across teams and pulling in the best talent from the organization to achieve your goals
Contribute with new ideas and evaluate multiple solutions with your peers before settling down on specific solutions
You are self-driven, willing and able to take complete ownership of initiatives, and make pragmatic technical decisions
We're excited if you have
5+ years hands on experience in building challenging production systems
Strong CS fundamentals, with the ability to write algorithms with ease
Good understanding of machine learning fundamentals like regression, classification, ranking, neural networks, and sequence models for text/speech
Experience with advanced machine learning techniques, including LLM and generative AI
Proven 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
Experience working with big data systems (Spark, EMR, S3, Airflow) and programming languages (Java, Python, C++)
Experience building in-production NLU and/or ASR systems
Bachelor Degree required. MS in Computer Science or a Ph.D. in CS or related fields is preferred
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). 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.
The Roku Culture
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.
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.
To learn more about Roku, our global footprint, and how we've grown, visit https://www.weareroku.com/factsheet.
By providing your information, you acknowledge that you have read our Applicant Privacy Notice and authorize Roku to process your data subject to those terms.
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 approximat... Know more
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