Senior Software Engineer (Roku UI)

• 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
• As a Senior Software Engineer on the UI team, you’ll design, implement, and optimize systems that underpin Roku’s user experience and developer platform
• You’ll work on performance‑critical code paths for graphics rendering, animation, layout, and UI frameworks, ensuring buttery‑smooth visuals and instant responsiveness across a wide range of devices
• You’ll help shape core architecture, collaborate across the stack with hardware, firmware, and application teams, and see your work directly impact tens of millions of users
• Build scalable UI features optimized for millions of users
• Lead technical investigations and architect solutions across middleware, UI frameworks, and rendering pipelines
• Integrate AI/ML capabilities and leverage generative AI tools to accelerate development and improve developer productivity
• Collaborate with cross‑functional teams to deliver global platform features with measurable performance and reliability gains
• Develop engineering tooling, frameworks, and automated workflows that raise developer efficiency and code quality
• Mentor junior developers through design reviews, pair programming, and clear technical documentation
• Stay current with platform, graphics, and AI trends; proactively identify opportunities to improve performance and developer experience

Benefits

• Medical, wellness and financial benefits
• Free snacks and access to the company fitness center
• Unlimited paid time off policy
• Work from home opportunities

• This role is ideal for engineers who love deep technical problem‑solving, care about performance down to the last millisecond, and want to build the invisible foundations that make great user experiences possible
• Minimum of 5+ years of software engineering experience with a focus on UI frameworks or application development
• Advanced BrightScript (or JavaScript‑like) skills and proficiency in Python
• Experience using Typescript is a plus!
• Strong root cause analysis skills and clear, effective technical communication
• A proactive mindset with passion for continuous learning, fast iteration, and data‑driven optimization
• Knowledge and hands-on experience using C++
• Knowledge of AI applications and hands‑on experience with generative AI tools and workflows