SDE III - Whatsapp Voice
Core
Building and maintaining the LC Phone Voice System for voice calling, IVR, and SIP capabilities within a distributed platform.
Role type
Senior Software Engineer (Voice Platform)
Builds
Voice calling infrastructure, IVR, and SIP services for a global business operating system.
Domain
Telecommunications / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Java, Golang, Node.js, MongoDB, distributed systems, platform stability, scalability, frontend architecture, backend architecture, micro-frontends, SIP protocol, carrier-level integration
Preferred skills
resolving critical voice service issues, carrier-level call blocking mitigation, SIP error resolution (e.g., 603 errors)
Technologies
Java, Golang, Node.js, MongoDB
Responsibilities
Solve complex challenges across frontend/backend architecture and distributed systems; resolve critical voice service issues like carrier-level call blocking and SIP errors; collaborate with PMs to ensure exceptional user experiences at scale.
Seniority
Senior, hands-on IC