Summary
✨ AI‑Generated
Lead the technical direction of an operator-grade voice platform, owning its roadmap while combining product leadership, solution architecture, and engineering management. You will guide architecture for signaling, media, availability, observability, and scaling, while coordinating a small engineering team and driving reliability improvements.
Highlights
Technical leadership role combining product ownership, architecture, and engineering management. Opportunity to shape a production voice platform roadmap, lead technical decisions, mentor engineers, and improve reliability and scalability.
Description
We are looking for an experienced Technical Product Lead to own and drive the development of our operator-grade Voice Platform.
This is a highly technical leadership role combining product ownership, solution architecture, and engineering management.
You will define the platform roadmap, lead technical decisions, coordinate a small engineering team, and ensure the reliability and scalability of voice services running in production.
What you’ll do:
Own and develop the technical roadmap for the Voice PlatformTranslate business and operational requirements into technical tasks and delivery plansLead architecture decisions for SIP routing, carrier interconnects, RTP/media handling, high availability, observability, and scalingManage and mentor the engineering team responsible for voice servicesDefine delivery priorities, acceptance criteria, testing strategy, and release approachDrive reliability, incident analysis, postmortems, and continuous platform improvementOwn capacity planning: CPS, concurrent calls, SIP signaling load, DB load, RTP relay loadOversee carrier interconnect logic: provider routing, failover, redundancy, quality controlImprove CI/CD practices for SIP configuration validation, routing tests, regression tests, deployment, and rollbackEnsure strong observability: call-id correlation, structured logs, metrics, alerts, SIP/RTP tracingCollaborate with NOC/support during production incidents and escalations.
What we’re looking for:
Strong hands-on background in SIP/VoIP platformsDeep understanding of SIP call flows: routing, dialogs, transactions, branches, in-dialog requestsStrong understanding of SIP NAT traversal: registration, authentication, Contact, Record-Route/Route handlingSDP offer/answer, codec negotiation, RTP/RTCP troubleshootingSRTP and DTLS-SRTP basicsWebRTC signaling and media basicsSIP tracing and troubleshooting with sngrep, tcpdump, and WiresharkCarrier interconnect experience: providers, routing, failover, traffic policiesDNS SRV for SIP routing and failoverProduction troubleshooting and incident analysis experienceKnowledge of main SIP/SDP/RTP-related RFCsSIP over UDP, TCP, TLS, WebSocketSIP security risks: spoofing, malformed messages, toll fraudHA/failover architecture and observability patternsIn-depth Kamailio experienceLua KEMI routingGood knowledge of Kamailio modulesRTPengine experienceArchitecture/design experience for production telecom systemsExperience leading or coordinating an engineering teamAbility to communicate with both engineers and non-technical stakeholdersFluent Russian, Conversational English.
Nice to have:
Asterisk and/or FreeSWITCH experienceKeepalived / VRRPDocker-based SIP test environmentsSIPp scenariosCI pipelines for config validation, routing tests, regression tests, deployment, and rollbackHomerSip3Deeper WebRTC production experienceExperience with anti-fraud, billing/rating integration, or telecom product ownershipExperience building processes for incident management, release management, and technical documentation.
Why join us?
You’ll play a key role in expanding our existing Voice, SMS and PBX business while launching new commercial directions, including IP Transit, Hosting and Connectivity.
• Own a mission-critical Voice Platform handling real production traffic
• Work with cutting-edge telecom technologies in a high-availability environment
• Influence platform architecture, engineering standards, and product direction
• Join a senior, collaborative team where your technical decisions will have a direct business impact.
If your background is in VoIP, SIP, Kamailio, telecom infrastructure, or carrier-grade platforms, we’d love to hear from you.
IN8INITY is a dynamic telecommunications company delivering reliable ISP services and modern network solutions.
We operate carrier-grade networks and continuously evolve our infrastructure with a strong focus on stability, scalability, and operational excellence.
