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Roku, Inc. is hiring: Senior Software Engineer, Machine Learning in San Jose

Roku, Inc., San Jose, CA, United States


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 streaming to the TV. We connect users to the streaming content they love, enable content publishers to build and monetize large audiences, and provide advertisers with unique capabilities to engage consumers. Roku streaming players and Roku TV™ models are available worldwide through direct retail sales and licensing arrangements with TV brands and pay-TV operators.

About the role
We seek an outstanding, creative, and passionate Machine Learning engineer to join Roku's Recommendation team. You will be responsible for building and owning the next generation of content recommendations and other algorithms/systems that will make the experience for our many millions of Roku users 100% personalized and unique.

What you'll be doing

Apply state of the art ML on recommendations using techniques in deep learning, bandits, transformers, LLMs, causal inference, and optimizations to make our users more delighted and engaged on the platform

Run online AB tests and analyze them against the critical business KPIs

Collaborate with US engineering teams as well as cross-functional teams to translate business requirements into technical specifications

Nurture our ML ecosystem to make it withstand scale, developer velocity and future business shifts

Help in training and mentoring new team members

We're excited if you have

5+ years of experience applying Machine Learning to concrete problems at large scale.

Strong CS fundamentals. Should be able to write an algorithm with ease.

Solid understanding of Data Science and ML fundamentals – Regression, Classification, Tree-based approach, Neural network, and sequence-based models.

Understanding of NLP approaches like W2V or Bert. Should be able to identify the right KPIs and Objective functions.

Good understanding of system architecture.

Have experience in big data technologies – streaming architecture, data pipelines, etc.

Bachelors in Computer Science, Statistics, or related field.

Preferred Skills

Build Recommender Systems for a living

Experience with Java, Scala, or Python

Work with big data systems – Spark, EMR, S3, AirFlow

Hold an MS or PhD in CS or related fields

AI literacy and curiosity. You have either tried Gen AI in your previous work or outside of work or are curious about Gen AI and have explored it.

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.

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In Summary: 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 . You will be responsible for building and owning the next generation of content recommendations that will make the experience for our millions of Roku users 100% personalized and unique .

En Español: Roku es la plataforma de transmisión televisiva número 1 en los Estados Unidos, Canadá y México, y hemos puesto nuestra atención en alimentar a todas las televisoras del mundo. Roku fue pionero en el streaming para TV. Nuestra misión es ser la plataforma que conecta todo el ecosistema de televisión. Conectamos a los consumidores con el contenido que aman, permitimos a los editores de contenidos construir y monetizar grandes audiencias, y ofrecemos a los anunciantes capacidades únicas para atraer a los clientes. Desde su primer día en Roku, usted hará una contribución valiosa - y valorada. Somos una compañía pública de rápido crecimiento donde nadie es un espectador. Le ofrecemos la oportunidad de deleitar a millones de anunciantes de televisión alrededor del mundo mientras obtenemos experiencia significativa en la transmisión directa a través de una variedad de canales. Usted será responsable de construir y poseer la próxima generación de recomendaciones de contenido y otros algoritmos/sistemas que harán que la experiencia para nuestros muchos millones de usuarios Roku sea 100% personalizada y única. Lo que va a hacer Aplicar el estado del arte ML sobre las recomendaciones utilizando técnicas en aprendizaje profundo, bandidos, transformadores, LLM, inferencia causal y optimizaciones para hacer más encantados y comprometidos a nuestros usuarios en la plataforma Realizar pruebas AB online y analizarlas contra los KPIs críticos del negocio Colaborar con equipos de ingeniería estadounidense así como equipos interfuncionales para traducir los requisitos empresariales en especificaciones técnicas Nutrir nuestro ecosistema ML para hacerlo resistente a escala, velocidad de desarrollo y cambios concretos futuros en la formación y tutoría de nuevos miembros del equipo Estamos entusiasmados si usted tiene 5 años de experiencia aplicando datos a grandes secuencias de aprendizaje a gran escala. Trabajar con sistemas de datos grandes Spark, EMR, S3, AirFlow Tener un MS o PhD en CS o campos relacionados alfabetización y curiosidad AI. Ya sea que haya probado Gen AI en su trabajo anterior o fuera del trabajo o se sienten curiosos sobre Gen AI y lo han explorado. Beneficios Roku está comprometido a ofrecer una variedad de beneficios como parte de nuestro paquete de compensación para apoyar a nuestros empleados y sus familias. Nuestros beneficios integrales incluyen apoyo global a la salud mental y el bienestar financiero y recursos. Los beneficios locales incluyen beneficios legales y voluntarios que pueden incluir atención médica (medical, odontología y visión), vida, acceso al accidente, discapacidad, viajero y opciones de jubilación (401k) / pensión). Creemos que un número menor de personas muy talentosas pueden hacer más por menos costo que un mayor número de equipos menos talentosos. Somos pensadores independientes con grandes ideas que actúan audazmente, se mueven rápidamente y logran cosas extraordinarias a través de la colaboración y la confianza. En resumen, en Roku serás parte de una empresa que está cambiando la forma en que el mundo ve televisión. Tenemos una cultura única de la que estamos orgullosos. Nos consideramos principalmente como solucionadores de problemas, lo cual en sí mismo es una idea de dos partes.