Senior Software Engineer (Voice Platform), Customer Systems
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Jul 23, 2026. Apple scores B on the Alion truth index.
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 lead the design and development of highly scalable distributed systems that handle voice signaling, media processing, routing, and real-time communications for millions of interactions.
We are looking for experienced engineers who are passionate about solving complex technical challenges, driving architecture decisions, and building resilient low-latency systems at scale. You will collaborate across engineering, infrastructure, and product teams to help shape the future of modern communication platforms and customer engagement experiences.
Description
As a Senior Voice Platform Software Engineer, you will play a key role in architecting, developing, and operating 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. This role requires strong software engineering fundamentals, deep technical expertise, and the ability to drive complex initiatives across multiple teams. You will contribute to platform architecture, scalability, resiliency, and operational excellence while mentoring engineers and influencing the technical direction of the platform
Minimum Qualifications
5+ years of software development experience using C or C++
Experience with real-time communication platforms such as FreeSWITCH, Kamailio, Asterisk, or similar technologies
Strong experience developing scalable backend or distributed systems software
Strong understanding of networking fundamentals including TCP/IP, HTTP, TLS, load balancing, and distributed system concepts
Experience with SIP, RTP, and VoIP technologies
Experience troubleshooting production systems and operating highly available services at scale
Bachelor’s degree in Computer Science, Computer Engineering, or equivalent practical experience
Preferred Qualifications
Experience with WebRTC and modern real-time communication architectures
Familiarity with cloud-native architectures and container technologies such as Docker or Kubernetes
Experience with scalable event-driven systems and distributed infrastructure technologies such as Kafka or Redis
Experience driving technical design discussions and mentoring engineers across teams