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Staff Engineer - Telephony

Sarvam· Engineering
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BengaluruFull-timePosted 2w ago

About the role

Staff Engineer to own the end-to-end telephony backend platform for Sarvam’s Samvaad conversational AI, focusing on data modeling, APIs, orchestration, reliability, and performance in a multi-tenant SaaS environment.

Responsibilities

  • The end-to-end backend for agent, campaign, and user management - from data modeling through API design to deployment, in Python and FastAPI
  • Workflow orchestration with Temporal for complex, long-running, stateful operations
  • Performance and reliability for a multi-tenant SaaS platform operating at sub-second latency SLOs
  • Observability - logging, metrics, tracing - so the team can debug production confidently and quickly
  • Integration testing - the test infrastructure that lets us ship fast without breaking customer-facing systems
  • Close collaboration with the frontend team (Next.js) to deliver an experience worthy of the underlying platform
  • Setting the design-first and documentation-first engineering culture within your team - RFCs before code, decisions written down, no tribal knowledge

Qualifications

  • 8-12 years building production backend systems, with deep expertise in Python and FastAPI (or Golang)
  • Must-have experience in building telephony infrastructure, primarily SIP / VoIP
  • A track record of full-stack ownership - you’ve designed systems end-to-end, made the trade-offs, and operated them in production
  • Hands-on experience with workflow orchestration at scale, ideally Temporal
  • Built and operated high-scale distributed systems - multi-tenant, low-latency, resilient under real load
  • Strong PostgreSQL and Redis fundamentals - schema design, query performance, caching strategy
  • The judgment to know when to build vs. buy, when to optimize vs. ship, when to abstract vs. inline

Skills

Required:PythonFastAPITemporalPostgreSQLRedisSIP / VoIP
Nice to have:Golang
Last updated Oct 6, 2026. Interested? Apply on the company site.
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About Sarvam

Sarvam | India's Full-Stack Sovereign AI Platform

Sarvam is India's full-stack sovereign AI platform, with speech-to-text, text-to-speech, translation, and conversational agents across 22 Indian languages. Start free.

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