Senior Machine Learning Engineer (Voice Assistant)

Join Roku's Voice team as a Senior Machine Learning Engineer. You will be responsible for designing and developing software and algorithms for Roku's state-of-the-art entertainment assistant. You will have end-to-end responsibility from developing a proof of concept to production, and will work across teams to achieve your goals. This is a unique opportunity to contribute to the core of Roku's Entertainment Assistant and be part of a world-class team.

• Design and develop software and algorithms for Roku’s state-of-the-art entertainment assistant, ensuring high availability and performance.
• Take end-to-end responsibility for projects, from developing proof of concepts to production, and make pragmatic technical decisions.
• Collaborate with cross-functional teams to pull in the best talent and achieve project goals, contributing new ideas and evaluating multiple solutions.
• Experience working with big data systems (Spark, EMR, S3, Airflow) and programming languages (Java or Python, or C++)
• Bachelor's Degree preferred
• 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
• Hands-on experience in building challenging production systems
• Experience with advanced machine learning techniques, including LLM and generative AI
• Experience building in-production NLU and/or ASR systems
• 5+ years of industry experience (or advanced degree with 3+ years) applying ML/AI to NLU or related domain
• 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