Senior Voice & Video Platform DSP Engineer

EngineerEngineerFull TimeRemoteTeam 1,001-5,000Since 2006H1B SponsorCompany Site LinkedIn

Location

United States

Posted

72 days ago

Salary

$100K - $180K / year

Bachelor Degree5 yrs expEnglishAWSAzureCloudDockerGoogle Cloud PlatformKubernetesMicroservicesVo IP

Job Description

• Develop Core Communication Services: Build and maintain backend services for voice/video calling (signaling servers, call routing logic, media gateways) using SIP and WebRTC. • Enhance Audio Quality (DSP): Implement and tune digital signal processing algorithms for superior call audio. • Optimize Media & Codecs: Work with real-time media streaming (RTP) and various codecs (Opus, G.711, H.264, etc.). • Integrate Voice AI Features: Embed speech-to-text (ASR) and text-to-speech (TTS) capabilities. • Ensure Scalability & Resilience: Design services with a cloud-native approach (microservices, containers). • Performance & Reliability Tuning: Continuously profile and improve system performance end-to-end. • DevOps & Support: Use CI/CD pipelines to deploy updates safely with zero downtime. • Collaboration: Work closely with Product Managers, front-end teams, AI/ML team, and network engineers.

Job 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 writing efficient, low-latency code (lock-free structures, memory management)
Experience building and deploying services in a cloud-native environment (Docker, Kubernetes)
Knowledge of designing scalable microservices and using cloud infrastructure (AWS, GCP, or Azure)
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
Experience working in Agile teams

Benefits

Health 🍏 - Multiple health plan options to suit your needs, including medical, dental, vision, and telemedicine coverage
Insurance 💼 - Life, disability, and supplemental indemnity plans
Work-Life Balance ⚖️ - Flexible Time Off (FTO) for salaried employees, PTO for hourly employees, Paid Sick Time (PST), paid parental bonding leave, and paid holidays
Financial Security 💰 - 401(k) with company match, Health Savings Accounts with company contributions, Dependent Care FSA
Wellness 🤸‍ - Employee Assistance Program and comprehensive wellness initiatives
Growth 🌱 - Access to ongoing learning and development opportunities and career advancement