Role - Lead Backend Engineer – Voice AI

Location: Bengaluru

Work mode: 5 days/week, Work from Office

Experience: 5–8 years

MUST HAVE - Voice AI OR VoiceBot AND Python

The Role

We are looking for a hands-on Lead Backend Engineer – Voice AI to build and own the

backend foundations of our Voice AI product.

This is a high-ownership, 0 to 1 role. You will work closely with Product, Design, AI/ML, and

Engineering teams to turn ambiguous problem statements into reliable, delightful, and scalable

customer experiences. You will influence both product direction and technical architecture while

building systems that power real-time, human-like AI conversations.

What You’ll Do

● Lead the design, development, and evolution of backend systems that power real-time

Voice AI experiences.

● Build reliable, low-latency services for telephony, audio streaming, conversation

orchestration, session management, and post-call workflows.

● Develop and operate Voice AI integrations using platforms such as LiveKit, Vapi, Twilio,

WebRTC, or similar technologies.





● Integrate speech-to-text, text-to-speech, LLMs, retrieval systems, and AI evaluation

pipelines into robust production workflows.

● Build agentic and conversational workflows using tools such as LangChain,

LangGraph, or equivalent frameworks.

● Design scalable APIs, event-driven workflows, data models, background jobs, and

fault-tolerant systems.

● Own backend services built with Python, FastAPI, PostgreSQL, Redis, queues, and

cloud infrastructure.

● Lead, mentor, and grow a high-performing team of talented engineers;
create clarity, set

a high execution bar, and enable the team to deliver ambitious outcomes in a

fast-moving environment.

● Partner with Product and Design to identify customer problems, define requirements, run

experiments, and ship end-to-end features.

● Make thoughtful trade-offs across speed, product experience, latency, reliability, security,

scalability, and cost.

● Establish robust

📌 Lead Backend Engineer (Bengaluru)
🏢 Qrata
📍 Bengaluru