Python Developer
1 day ago
Python Developer – Voice AI, Telephony & Real-Time Systems
Location: Gachibowli - Hyderabad
***NP: IMMEDIATE | URGENT REQUIREMENT***
About the Role
Work on an AI receptionist and assistant platform
that answers calls, books appointments, summarizes conversations, and provides real-time in-call support. You'll build and scale
real-time backend services
for
voice AI
,
telephony
,
scheduling
, and
third-party integrations
.
Key Responsibilities
- Voice & Telephony (SIP/WebRTC/RTP):
- Build Python (FastAPI)
microservices for
call control
,
routing
, and
conference orchestration
. - Handle
real-time audio streaming
,
ASR/TTS pipelines
,
VAD
, and
barge-in
features. - AI & Conversation Intelligence:
- Integrate ASR/TTS/LLM APIs
(Whisper, Deepgram, Google, OpenAI). - Implement
summarization
,
action-item extraction
, and
knowledge-based responses
. - Scheduling & Personal Assistant:
- Integrate with Google/Microsoft calendars
, reminders, and time zones. - Support
human escalation
,
message routing
, and
policy-based SLAs
. - Integrations & Vertical Solutions:
- Build workflows for healthcare
,
property management
, and
legal
domains. - Connect to
third-party APIs
like
Toast
,
Jobber
,
Salesforce
, etc. - Platform Engineering:
- Design scalable, observable systems
using
Redis
,
Kafka
,
Postgres/MySQL
. - Manage
CI/CD
,
testing (pytest)
,
monitoring (OpenTelemetry)
, and
cloud deployment (Docker/Kubernetes)
.
Must-Have Skills
Python (5–10 yrs)
– FastAPI / Flask, microservices architecture
Real-time systems
– asyncio, WebSockets, gRPC, low-latency pipelines
Voice AI integration
– ASR, TTS, LLMs, transcription & summarization
Backend expertise
– SQL (MySQL/Postgres), Redis, Kafka, Celery
DevOps & Cloud
– Docker, Kubernetes, AWS/GCP/Azure
Testing & Monitoring
– pytest, OpenTelemetry, logging/tracing
Security focus
– secrets management, PII, HIPAA/PCI compliance
Nice to have skills:
Telephony/RTC (SIP/WebRTC, Asterisk, FreeSWITCH, Janus)
LLM Ops, Vector DBs (FAISS, PGVector, Weaviate)
Event-driven architecture, calendar & CRM APIs
Frontend familiarity (React/TypeScript)
Tech Stack
Python 3.11+, FastAPI, Pydantic, asyncio, WebSockets/gRPC, SIP/WebRTC, Redis, Kafka, Postgres/MySQL, Docker, Kubernetes, Terraform, OpenTelemetry, pytest
Soft Skills
- Action-oriented and detail-focused
- Strong communication and documentation
- Collaborative across Product, QA, and Ops teams
- Location & Work:
India time zone; remote-friendly with some overlap to US hours.
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