Senior Voice & Video Platform DSP Engineer
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Job Description
Senior Voice & Video Platform DSP Engineer developing voice/video communication services for Nextiva. Enhancing call quality and integrating AI features on a cloud-based platform.
Responsibilities:
- Develop backend services for voice/video calling using SIP and WebRTC
- Implement and tune digital signal processing algorithms for superior call audio
- Optimize codec configurations and adapt bitrates based on network conditions
- Integrate speech-to-text and text-to-speech capabilities into the platform
- Design services with a cloud-native approach for deployment on Kubernetes
- Continuously profile and improve system performance end-to-end
- Use CI/CD pipelines to deploy updates safely with zero downtime
- Work closely with Product Managers, front-end teams, AI/ML team, and network engineers
Requirements:
- 5+ years of experience developing VoIP or real-time communication systems
- Strong knowledge of SIP protocol, WebRTC, and related networking (RTP, NAT traversal)
- Proven ability to implement call logic and troubleshoot signaling and media issues
- Hands-on experience with audio processing in real time
- Familiarity with noise reduction, echo cancellation, jitter buffers, and other voice QoS techniques
- Proficiency in C/C++ for high-performance, multi-threaded systems programming
- Experience building and deploying services in a cloud-native environment (Docker, Kubernetes)
- Exposure to integrating speech recognition and text-to-speech in applications
- Basic understanding of securing voice communications (TLS, SRTP) and safeguarding customer data
- Comfortable using CI/CD, infrastructure-as-code, and logging/monitoring tools
- Excellent collaboration and communication skills
Benefits:
- Multiple health plan options to suit your needs, including medical, dental, vision, and telemedicine coverage
- Life, disability, and supplemental indemnity plans
- Flexible Time Off (FTO) for salaried employees, PTO for hourly employees, Paid Sick Time (PST), paid parental bonding leave, and paid holidays
- 401(k) with company match, Health Savings Accounts with company contributions, Dependent Care FSA
- Employee Assistance Program and comprehensive wellness initiatives
- Access to ongoing learning and development opportunities and career advancement
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