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Apple

Senior Software Engineer (Voice Platform), Customer Systems

Austin, TX$184,700 – $277,600Posted Oct 4, 2026

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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","responsibilities":"Lead the design and development of scalable voice and real-time communication platform components

Drive architecture and technical design discussions for SIP signaling, media processing, routing, and session management services

Develop high-performance backend services using C or C++

Troubleshoot and resolve complex issues related to voice quality, signaling, media flows, scalability, and distributed systems

Collaborate across platform, infrastructure, client, and product engineering teams to deliver end-to-end communication solutions

Improve platform scalability, resiliency, observability, automation, and operational efficiency

Mentor engineers through technical guidance, design reviews, and code reviews

Contribute to long-term platform strategy, reliability initiatives, and production operational excellence

Drive testing, deployment automation, monitoring, and incident response improvements for voice platform services

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

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

Pay & Benefits

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $184,700 and $277,600, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

About Apple

Working at Apple means doing more than you ever thought possible and having more impact than you ever imagined.

Size: 10,000+ employees
Industry: Technology

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