8 hours ago
Berlin, GermanyStaff+
Responsibilities
- Own the architecture and technical roadmap for Voice/VoIP infrastructure, including SIP trunking, media handling, and real-time audio pipelines.
- Design low-latency, highly available voice systems across global telephony carriers and providers.
- Drive technical decisions involving SIP, SDP, RTP/SRTP, RTCP, WebRTC, ICE, STUN/TURN, and real-time media transport.
- Partner with AI/ML teams to integrate voice infrastructure with ASR, TTS, turn-taking, and barge-in capabilities.
- Diagnose systemic issues involving call quality, latency, jitter, and packet loss across distributed multi-region deployments.
- Define engineering standards for reliability, observability, and security across the voice stack.
- Mentor senior and staff engineers and serve as a technical multiplier across the engineering organization.
- Evaluate and integrate telephony providers, carriers, and SIP trunk vendors in new markets.
- Represent Parloa’s technical voice expertise with enterprise customers and partners when needed.
Requirements
- 10+ years of engineering experience, including 5+ years building, operating, or debugging production Voice/VoIP, SIP, WebRTC, or carrier-grade voice infrastructure.
- Strong knowledge of SIP, SDP, RTP/SRTP, RTCP, WebRTC, ICE, and real-time media transport protocols.
- Hands-on understanding of Opus, G.711/G.722, codec negotiation and transcoding, DTMF/RFC2833, jitter buffers, packetization, and codec-related quality and latency trade-offs.
- Experience building or operating large-scale distributed real-time systems with strict latency and availability requirements.
- Track record of owning architecture for complex systems and driving technical decisions with broad organizational impact.
- Experience with telephony carriers, SIP trunk providers, or PSTN integrations at scale.
- Deep production experience with SIP-based voice infrastructure such as Kamailio, FreeSWITCH, Asterisk, or pjsip.
- Strong systems programming skills in one or more of Go, C, C++, or Rust, including work at the media or transport layer.
- Experience with AWS, GCP, or Azure and Kubernetes.
- Experience operating voice-quality observability, including MOS metrics, per-leg call tracing, and telemetry-based diagnosis of jitter, latency, and packet loss.
- Excellent communication skills and the ability to explain complex technical trade-offs to technical and non-technical audiences.
- Interest in AI and conversational technology.
Benefits
- Parloa offers work on enterprise-scale conversational AI and real-time voice infrastructure.
- The role provides broad technical ownership, mentorship opportunities, and influence across infrastructure, AI/ML, and product teams.
- Parloa describes a fast-paced environment with direct feedback, meaningful ownership, and opportunities to contribute from day one.
- Parloa is committed to data protection, GDPR compliance, and ISO 27001 standards.
- The recruiting process includes a recruiter call, technical peer interview, 360° technical interview loop, and bar raiser.
- Parloa is an E-Verify employer in the USA and provides equal opportunities to qualified applicants.
Categories
About Parloa
Parloa builds an enterprise platform to design, deploy, and manage AI voice and chat agents for customer service across telephony and digital channels. It sells its software as SaaS and in customer-controlled environments, integrating with contact center systems and automating conversations, routing, and transactions. Founded in 2018 and headquartered in Berlin, the privately held company serves global brands including Booking.com, Allianz, SAP, TUI, and HealthEquity.