Senior Software Engineer , Data Eng

Job description

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. What does the team work on? The Revenue Automation and Data team is a key part of Roku's Advertising organization, driving financial automation and data solutions that enable informed decision-making across the advertising ecosystem. We work in a fast-paced, complex environment and partner closely with Finance, Accounting, Analytics, and multiple engineering teams to deliver timely, high-impact insights into business performance. As we look ahead, we're investing in AI-powered capabilities to exponentially scale financial workflows and help non-technical stakeholders translate our diverse data assets into actionable outcomes. What is the role? We are seeking a highly skilled Senior Software Engineer for this hybrid position which bridges software 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 architect and maintain production-grade data products and APIs, leveraging technologies such as Java/Scala, SQL, Spark, Airflow, and Kubernetes to deliver reliable, high-performance solutions. The ideal candidate has a proven track record building high-scale data services and pipelines, with strong engineering rigor around data quality and operational excellence. How will I use AI at Roku? At Roku, we don’t just use AI, we work with it. AI agents and smart tools help power drafts, analysis, and repetitive workflows, while our people bring direction, judgment, and accountability. We value curious, adaptable builders, who can show how they’ve used AI, agents, or automation to move faster, improve quality, and scale their impact. Strong candidates know how to frame problems, guide AI-assisted work, check the output, and learn quickly. Above all, they bring curiosity, adaptability, and sound judgment. What are the responsibilities of the role? Software Development • Design and build APIs and backend services using Scala and Java to support financial automation and data products. • Write clean, maintainable, and efficient code, ensuring adherence to best practices through code reviews. Big Data Engineering • 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 using Apache Spark for large-scale datasets. • Monitor, troubleshoot, and improve data systems to minimize downtime and maximize efficiency. Collaboration & Mentorship • Partner with the analytics, software engineers, and other teams to deliver integrated, high-qual