Software Dev Engineer III, Amazon Interactive Video Service (IVS)

About the role

Amazon Interactive Video Service (Amazon IVS) is AWS's fully managed live streaming service, built on the same battle-tested technology that powers Twitch and trusted by thousands of enterprises across gaming, social, live commerce, sports, and entertainment. Our mission is to enable developers to build communities around live video. We handle everything from ingest to processing to delivery at global scale, so developers can focus on creating interactive, engaging live experiences for their audiences. Whether you're streaming to tens of millions of concurrent viewers or just getting started, Amazon IVS removes the complexity so developers can move fast.

Key job responsibilities

• Design, implement, and optimize high-performance WebRTC distribution components capable of handling millions of concurrent viewers with sub-second latency. Work at the packet level to diagnose, tune, and improve transport behavior across UDP and TCP-based protocols, ensuring optimal video quality and reliability.
• Collaborate with cross-functional teams to define and evolve the architecture of real-time media delivery infrastructure. Drive technical decisions that balance scalability, cost efficiency, and customer experience.
• Contribute to protocol design and implementation for emerging low-latency transport mechanisms, including Media over QUIC (MoQ) and other next-generation streaming protocols. Stay current with industry standards and innovations.
• Identify and resolve performance bottlenecks through profiling, experimentation, and rigorous engineering. Use data-driven approaches to optimize CPU, memory, and network utilization across distributed systems.
• Mentor junior engineers and conduct code reviews to maintain high engineering standards. Participate in on-call rotations to ensure service reliability and rapid incident response. Document architectural decisions and contribute to technical design reviews.

About the team

Amazon Interactive Video Service (Amazon IVS) is a managed live streaming solution from AWS that enables low-latency and real-time video experiences for millions of viewers worldwide. We power engaging live experiences for some of the largest customers in the live video space and continuously push the boundaries of what’s possible with interactive video technology.

Basic Qualifications

• 5+ years of non-internship professional software development experience
• 5+ years of programming with at least one software programming language experience
• 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• Experience as a mentor, tech lead or leading an engineering team
• Knowledge of at least two of the following programming languages: Scala, Java, Python, C/C++, or Go
• Deep understanding of WebRTC architecture, including signaling, ICE, DTLS, SRTP, and media negotiation

Preferred Qualifications

• 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor's degree in computer science or equivalent
• Contributions to open-source networking or media projects