Senior Software Engineer - Ads Analytics

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.

The Data Insights team plays a critical role in Roku’s Advertising organization, leading measurement and analytics initiatives that power decision-making across the advertising ecosystem. We develop and manage products that deliver actionable insights for advertisers while meeting the operational and analytical needs of internal teams.

We work closely with Product Managers, Data Science, Ad Sales, Ads Operations, and multiple groups within Advertising Engineering to deliver high-impact solutions. Looking ahead, we are exploring AI-driven measurement capabilities to further enhance the effectiveness of advertising campaigns and strengthen internal analytics.

For California Only - The estimated annual salary for this position is between $323,000 - $428,000 annually. Compensation packages are based on factors unique to each candidate, including but not limited to skill set, certifications, and specific geographical location. This role is eligible for health insurance, equity awards, life insurance, disability benefits, parental leave, wellness benefits, and paid time off.

We are seeking a highly skilled Senior Software Engineer with deep expertise in big data technologies, including Apache Spark and Apache Airflow. This hybrid position bridges software engineering and data engineering, requiring the ability to design, build, and maintain scalable systems for both application development and large-scale data processing. In this role, you will collaborate with cross-functional teams to architect and manage robust, production-grade data products that power critical analytics and measurement capabilities.

You will work with technologies such as Apache Spark, Apache Airflow, Trino, Druid, Spring Boot, Star Rocks, and Looker to deliver reliable, high-performance solutions. The ideal candidate is a proactive, self‑motivated professional with a strong track record in building high‑scale data services and a dedication to delivering exceptional results.

• Design and build APIs and backend services using Spring Boot to support data products and analytics workflows.
• Write clean, maintainable, and efficient code, ensuring adherence to best practices through code reviews.

• Design, develop, and maintain data pipelines and ETL workflows using Apache Spark and Apache Airflow.
• Optimize data storage, retrieval, and processing systems to ensure reliability, scalability, and performance.
• Develop and fine‑tune complex queries and analytics solutions using Druid, Trino, and Star Rocks for large‑scale datasets.
• Monitor, troubleshoot, and improve data systems to minimize downtime and maximize efficiency.

• Partner with data scientists, software engineers, and other teams to deliver integrated, high‑quality solutions.
• Provide technical guidance and mentorship to junior engineers, promoting best practices in software and data engineering.

• Bachelor's degree in computer science, Engineering, or a related field (or equivalent experience).
• 8+ years of experience in software and/or data engineering with expertise in big data technologies such as Apache Spark, Apache Airflow.
• Expertise with at least one of the following Apache Druid, Star Rocks, and Trino.
• Strong understanding of SOLID principles and distributed…