Senior Software Engineer, Platform Portability

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. About the team The Platform Portability team is responsible for scaling the Roku OS to run on a wider variety of hardware. This team operates at the intersection of hardware and software, building clean abstractions and ensuring portability across diverse platforms. The team values deep curiosity, diversity of thought, and flexibility, seeking engineers who are driven to understand how systems work at every layer. The technology stack is broad, spanning from hardware abstraction layers to high-level OS components, including Linux, Android, Tizen, C, C++, boot loaders, drivers, and multimedia and streaming technologies. About the role Roku is seeking a Senior Software Engineer to join the Platform Portability team, where you will develop and evolve the RokuOS Platform Abstraction Layer (PAL) to enable Roku OS to run across a growing range of devices. In this role, you will architect clean software abstractions that bridge hardware and software, ensuring modularity and portability across diverse platforms. You will write high-performance, reliable code and build the tools necessary to support seamless platform integration. Collaborating with cross-functional engineering teams, you will debug complex issues while optimizing system performance and product quality. This role offers the chance to work across the team's broad technology stack and to make a meaningful impact on the scale and reach of Roku's streaming platform . 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. As a technical lead, you'll also drive AI adoption across your team, mentoring others and establishing repeatable standards that others can follow. 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, including building AI tools and agents that streamline QA testing. You know how to drive an agent, verify its output, and ramp on an unfamiliar codebase with an agent helping you. What you will be doing Developing and evolving the RokuOS Platform Abstraction Layer (PAL) to support new devices and features Architecting RokuOS components with appropriate modularity, portability, and abstraction layers Building tools and infrastructure needed to support platform portability across diverse hardware and software ecosystems Writing software designed for easy portability to new and existing platforms Demonstrating expert-level proficiency in C and C++ development Building scalable, highly reliable software that performs consistently across diverse hardware environments Working both independently and in small groups to ship new features on schedule Debugging software issues with a focus on optimizing performance and improving product quality Investigating and resolv…