Senior Software Engineer, Advertising Engineering

Teamwork makes the stream work.Roku is changing how the world watches TVRoku 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. You will collaborate with cross-functional partners across Finance, Accounting, and Analytics to translate complex business requirements into robust technical solutions. The role involves driving data quality and operational excellence across the full lifecycle of data pipelines and backend services. You will also contribute to the team's AI-powered initiatives, helping to scale financial workflows and unlock actionable insights from diverse data assets. The successful candidate has a proven track record building high-scale data services and pipelines, with strong engineering rigor and a passion for continuous improvement.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're looking for curious, adaptable builders who can show how they've used AI or automation to move faster, raise the bar, and scale their impact. We value your AI skills if have built fluency across the agentic engineering toolchain — coding harnesses like Claude Code or Cursor, MCP servers, custom skills, or agent frameworks. And you can describe projects where you shipped real work with these tools. You know how to drive an agent, verify its output, and ramp on an unfamiliar codebase with an agent helping you.What are the responsibilities of the role?Software DevelopmentDesign and build APIs and backend services using Scala and Java to support financial automation and data productsWrite clean, maintainable, and efficient code, ensuring adherence to best practices through code reviewsBig Data EngineeringDesign, develop, and maintain data pipelines and ETL workflows using Apache Spark and Apache AirflowOptimise data storage, retrieval, and processing systems to ensure reliability, scalability, and performanceDevelop and fine-tune complex queries using Apache Spark for large-scale datasetsMonitor, troubleshoot, and improve data systems to minimise downtime and maximise efficiencyCollaboration & MentorshipPartner with analytics, software engineering, and other teams to deliver integrated, high-quality solutionsProvide technical guidance and mentorship to junior engineers, promoting best practices in software and data engineeringWhat experience would help someone be successful in this role at Roku?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 and Apache AirflowAdvanced SQL skills, with expertise in query optimisation for large datasetsExpertise in developing APIs and robust backend services, with strong programming skills in Python, Java, and/or ScalaExceptional problem-solving abilities and the capacity to work independently or collaborativelyExcellent verbal and written communication skillsStrong sense of ownership in driving projects from inception to user adoptionExperience with cloud platforms such as AWS, GCP, or Azure, and containerisation tools like Docker and Kubernetes (preferred)Knowledge of CI/CD pipelines, DevOps practices, and infrastructure-as-code tools such as Jenkins and Terraform (preferred)Experience with building agentic AI systems to automate decision-making and enhance analytics workflows (preferred)Experience in AdTech and advertising data platforms (preferred)#LI-JB6What's Roku's approach to hybrid working?Roku fosters an inclusive and collaborative environment where teams generally work in the office Monday through Thursday. Fridays are generally flexible for remote work, except for employees whose specific roles or assigned office location require five days' a week attendance.What are some of the 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). Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support 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.AccommodationsRoku welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicable law. If you require reasonable accommodation at any point in the hiring process, please direct your inquiries to EmployeeRelations@Roku.com.What should I know about Roku's 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 .By providing your information, you acknowledge that you want Roku to contact you about job roles, that you have read Roku's Applicant Privacy Notice, and understand that Roku will use your information as described in that notice. If you do not wish to receive any communications from Roku regarding this role or similar roles in the future, you may unsubscribe at any time by emailing WorkforcePrivacy@Roku.com.