Senior Software Engineer - Node.js at Roku

About the Role

We are looking for a Senior Node JS Backend Engineer to join Roku's Advertising Engineering team. This role sits at the heart of Roku’s advertising business, where you'll have the opportunity to influence architecture, product direction, and engineering culture while working on problems at real scale.

Key Responsibilities

• →Design, develop, and maintain scalable backend services using Node.js for order management and campaign management workflows
• →Build and evolve APIs that support advertising internal or external needs
• →Own end-to-end delivery of features from design through production and post-launch support
• →Collaborate with frontend engineers to power intuitive and reliable customer-facing interfaces
• →Work closely with product managers, ad operations, and business stakeholders to translate complex requirements into robust technical solutions
• →Ensure high standards for performance, reliability, security, and observability in production systems
• →Improve system architecture to support scale, automation, and future platform evolution
• →Mentor junior and mid-level engineers and contribute to engineering best practices
• →Participate in code reviews, design reviews, and on-call rotations as needed
• →Support GenAI-powered services and Agentic AI in Ads automation