Voice Platform Software Engineer, Customer Systems - Apple

Join a team building the next generation of large-scale voice and real-time communication platforms that power seamless customer and agent experiences across the globe. In this role, you will work on highly scalable distributed systems that handle voice signaling, media processing, routing, and real-time communications for millions of interactions. We are looking for engineers who are passionate about solving complex technical challenges, building reliable low-latency systems, and driving innovation in modern communication technologies. You will collaborate with cross-functional teams to design and develop platforms that are foundational to future customer engagement experiences. Description As a Voice Platform Software Engineer, you will help design, develop, and operate scalable voice infrastructure and real-time communication services used in high-volume customer interaction environments. You will work on technologies related to SIP signaling, media handling, WebRTC, distributed systems, and cloud-native platform development. The role requires strong software engineering fundamentals, problem-solving ability, and a passion for building resilient systems that operate at scale. You will collaborate closely with platform engineers, client application teams, infrastructure teams, and architects to deliver reliable and high-performing communication solutions. Responsibilities: Design and develop scalable voice and real-time communication platform components Build and maintain software services for SIP signaling, media control, routing, and session management Develop reliable and efficient backend services using C or C++ Troubleshoot and resolve complex issues related to voice quality, signaling, media flows, and distributed systems Collaborate with cross-functional engineering teams to deliver end-to-end communication solutions Improve platform scalability, resiliency, observability, and operational efficiency Participate in architecture discussions, code reviews, testing, and production support activities Contribute to automation, monitoring, and deployment tooling for voice platform services Preferred Qualifications Experience with WebRTC, or VoIP technologies Familiarity with cloud-native architectures and container technologies such as Docker or Kubernetes Experience with scalable distributed systems and event-driven architectures Experience working with Kafka, Redis, or similar distributed infrastructure technologies Experience with real-time communication platforms such as FreeSWITCH, Kamailio, Asterisk, or similar technologies Experience with SIP, RTP Minimum Qualifications 3+ years of software development experience using C or C++ Experience developing backend or distributed systems software Understanding of networking fundamentals including TCP/IP, HTTP, TLS, and load balancing Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience