Senior Data Scientist

About Roku and the Team

Roku is a leading TV streaming platform in the U.S., Canada, and Mexico, with ambitions to enable every TV worldwide. Our mission is to connect the entire TV ecosystem, linking viewers with their favorite content while empowering publishers and advertisers. Join Roku to contribute meaningfully to millions of streamers globally in a dynamic, fast-growing public company environment.

The Core Analytics Team acts as a centralized center of analytic expertise. Members collaborate with engineering, product, and business units using centrally maintained tools to deliver impactful data insights. Continuous professional development is a priority, fostering strong skills and expertise to guide Roku’s strategy and improve user experiences globally.

Role Overview

We are looking for a Senior Data Scientist specializing in Ad Quality and Ad Products to partner with various stakeholders including business leads, product managers, and engineers. The role involves tackling complex analytical challenges, performing end-to-end problem solving such as identifying trends, developing measurement frameworks, designing A/B tests, and applying causal inference methodologies. You will create data pipelines, dashboards, and automated reports to maintain and enhance ad quality and performance on the platform. Communicating technical insights into clear, persuasive narratives for executive leadership and business partners is a key responsibility.

Key Responsibilities

• Develop reliable data pipelines and dashboards to provide timely, accurate insights to stakeholders.
• Design and conduct A/B tests and use causal inference techniques to evaluate impacts and support product decisions.
• Collaborate directly with business partners to address core questions improving Ad Quality and driving evolution of Ad Products.
• Analyze varied data types and translate findings into actionable insights facilitating data-driven decisions.
• Create analytic tools, predictive models, alerts, and testing frameworks measuring ad quality and product performance to inform strategies.
• Present findings and recommendations clearly to stakeholder and executive audiences.
• Convey complex technical topics into straightforward business guidance.
• Offer constructive feedback across leadership and other teams on the effectiveness of initiatives and identify new business opportunities.

Experience and Skills

• Bachelor's degree with 5+ years of advanced analytics experience, or master's/Ph.D. with 3+ years.
• Proficient in SQL and business intelligence platforms such as Looker.
• Experienced with statistical programming languages like Python or R for data analysis and modeling.
• Strong understanding of experimental design, causal inference, and expertise in A/B testing.
• Familiarity with forecasting models, e.g., SARIMA, Prophet, TFT, or equivalents.
• Background in data management, reporting, and data science applied to advertising technologies.
• Knowledgeable about advertising systems including programmatic advertising and advertising identity.
• Ability to work autonomously while maintaining effective stakeholder relationships across teams.
• Exceptional communication and presentation abilities, incorporating data visualization and actionable storytelling for diverse audiences.
• A forward-thinking, proactive approach to identifying improvement areas and crafting solutions.

Utilizing AI at Roku

Roku incorporates AI to enhance workflows including analysis and repetitive tasks, where human judgment guides output quality. Candidates with experience deploying AI agents, tools, and frameworks in engineering workflows are valued, particularly if able to generate and verify code, and rapidly adapt to new codebases assisted by AI.

Work Arrangement

Roku supports a hybrid working model where teams generally work onsite Monday through Thursday, with Fridays flexible for remote work unless role or location-specific requirements dictate otherwise.

Benefits

The company offers a wide array of benefits, including global mental health and financial wellness supports and local statutory and voluntary benefits like medical, dental, vision, life, disability, commuter support, and retirement plans. Time off is provided respecting local leave policies and personal needs. Availability of some benefits depends on location and role.

Equal Opportunity and Culture

Roku encourages applicants from diverse backgrounds and provides accommodations during the hiring process as required by law. The culture values collaboration, talent, humility, humor, independent thinking, and bold, rapid problem-solving, aiming to bring innovative TV streaming experiences worldwide.