Voice Infrastructure Engineer

About the RoleWe're building the future of contact center communications, and we're looking for an exceptionalVoice Infrastructure Engineerto architect and implement enterprise-grade voice technologies that will power thousands of customer interactions daily.If you're passionate aboutreal-time communications ,VoIP , and creating seamless voice experiences at scale, this is your opportunity to make a massive impact.What You'll BuildYou'll be the technical architect behind the complete voice infrastructure stack, including:Intelligent IVR SystemsConversational AI-powered self-service using modern ASR/NLU/TTS enginesIntegration with Deepgram Nova-2, Claude Sonnet 4, ElevenLabs TurboDynamic call flow orchestration with 60-80% containment ratesPredictive Dialer PlatformML-optimized pacing algorithms for maximum agent productivityAdvanced Call Progress Analysis (CPA) with 95%+ accuracyTCPA-compliant outbound calling with real-time abandonment rate controlSIP Trunking & WebRTC InfrastructureMulti-provider SIP trunk architecture (Twilio, Bandwidth, Telnyx)Session Border Controller (SBC) implementation for security and QoSBrowser-based WebRTC softphones for agentsTLS/SRTP encryption and fraud preventionVoice Quality OptimizationReal-time monitoring dashboards (MOS, latency, jitter, packet loss)Codec negotiation and transcoding (G.711, G.729, Opus)RTCP analysis and quality alerting systemsWhat We're Looking ForTechnical Expertise:Deep knowledge ofSIP protocol ,RTP/SRTP , andVoIP fundamentalsExperience withWebRTCand real-time communicationsProficiency inNode.js/TypeScriptorGo/Rustfor high-performance systemsHands-on experience withTwilio, Bandwidth, or similar SIP trunk providersUnderstanding of audio codecs, QoS, and network protocolsContact Center Technologies:Experience building or implementingIVR systemsKnowledge ofpredictive/progressive dialersand pacing algorithmsUnderstanding ofASR, NLU, and TTStechnologies (Deepgram, AssemblyAI, ElevenLabs)Familiarity withcall routing , skills-based distribution, and ACD systemsArchitecture & Scale:Proven ability to designhighly available, fault-tolerantvoice systemsExperience withmulti-region deploymentand redundancy strategiesKnowledge ofPostgreSQL/TimescaleDB ,Redis , and distributed systemsCloud infrastructure experience (AWS, GCP, or Azure)Compliance & Security:Understanding ofTCPA, FCC regulations , and DNC requirementsExperience implementingTLS/SRTP encryptionand security best practicesKnowledge of fraud detection and prevention mechanismsBonus PointsExperience withML/AI integrationfor voice analytics and optimizationContributions to open-source telephony projects (FreeSWITCH, Asterisk, Janus)Background inspeech analytics , sentiment analysis, or voice biometricsExperience withHomer SIP capture ,Prometheus/Grafana , or voice monitoring toolsKnowledge ofSTIR/SHAKENand robocall mitigationWhat You'll Get✅Autonomy & Ownership- You'll architect and build our voice infrastructure from the foundation up✅Cutting-Edge Tech Stack- Work with the latest in AI, voice, and real-time communications✅Impact at Scale- Your work will power millions of customer conversations✅Collaborative Team- Work alongside talented engineers who value innovation and quality✅Growth & Learning- Exposure to emerging technologies in conversational AI and voice automation✅Competitive Compensation- comprehensive benefits, and flexible work arrangementsHow to ApplyIf you're excited about building the future of voice communications and want to work on challenging, impactful problems, we'd love to hear from youSend us:Your resume highlighting relevant VoIP/telephony experienceA brief note about the most complex voice system you've builtLinks to any public projects or GitHub repos (if available)Email: