ABOUT THE TEAM The Playback team at Audible owns the core playback logic and services, including players, content delivery, security, listening data, metrics and insights, and a unified SDK. This team focuses on optimizing playback quality, performance, and customer experience across platforms, using automated tools for monitoring and analysis. The Playback team also drives Audible's efforts to advance the state of internet audio through faculty collaborations. You will own critical infrastructure supporting audio ads at Audible, you'll build scalable systems processing billions of ad opportunities annually, delivering world-class advertising experiences to millions of customers. This role offers hands-on technical ownership of audio ad systems, real-time ad serving pipelines, and conversational AI integration. You'll work with talented engineers solving complex distributed systems challenges while directly impacting a business. ABOUT YOU We are seeking a highly skilled and innovative Software Development Engineer to design, architect, and implement machine learning solutions that drive transformative technological advancements. You will combine deep technical expertise with strategic thinking, capable of translating complex business challenges into scalable, intelligent systems. As a Software Development Engineer, you will... - Design, develop, and test software components and applications for a leading global provider of audiobooks - Collaborate with Product, Applied Science, and cross-functional engineering teams to define and deliver innovative advertising products - Optimize ad serving latency, cost, and business metrics for audio advertising at scale - Collaborate on an agile engineering team, writing scalable and maintainable code and influencing team decisions - Collaborate with stakeholders to envision, design, develop, test, and launch customer-centric software solutions - Utilize technology to tackle challenging problems and deliver high-quality code on schedule - Demonstrate proficiency in a wide range of data structures and algorithms, applying them effectively - Independently clarify technical requirements, assess development estimates, and employ diverse design approaches - Conduct code reviews and provide constructive feedback to team members - Foster continuous improvement in software quality, customer experience, and product maintainability - Mentor and lead developers, fostering curiosity and deep technical understanding