Python Backend Developer (AI Voice Agents)

Responsibilities

• Develop and maintain backend services in Python (FastAPI, asyncio)
• Enhance the logic of the dialog agent: scenarios and call states, data extraction from replicas, working with LLM
• Write integrations with MIS and CRM systems of clinics (doctor schedules, patient records) and external APIs
• Design REST APIs for operator web interfaces and clinic admin panels
• Work with background tasks and queues (Celery / TaskIQ, RabbitMQ, Redis)
• Design data schemas and optimize queries in PostgreSQL
• Analyze call logs, identify and fix errors in agent behavior
• Participate in code reviews, cover code with tests, improve codebase
• Deploy and maintain services in Docker on Ubuntu

Requirements

• Commercial experience in Python development from 1 to 3 years
• Experience with FastAPI and solid understanding of async/await in Python
• Pydantic (v2): data validation, request and response schemas, settings
• PostgreSQL: confident SQL, indexes, query optimization; experience with SQLAlchemy
• Alembic: writing and maintaining migrations
• Celery: background and delayed tasks, retries, periodic tasks
• RabbitMQ: understanding of queues, exchange and routing, delivery guarantees
• Redis: caching, broker/backend for tasks, TTL, basic data structures
• Docker and Docker Compose: ability to build images, set up environments from multiple services and troubleshoot
• Git and pull request flow (we use GitHub)
• Linux (Ubuntu) at a daily task level: logs, processes, network
• Ability to read others' code, ask questions, and drive tasks to completion
• Will be a plus:

- Experience integrating with LLM APIs (OpenAI-compatible APIs, vLLM), prompt engineering, structured output - Familiarity with LangGraph, LangChain, or other agent frameworks - Experience with real-time systems: WebSocket, streaming, audio processing - Familiarity with IP telephony (SIP, Asterisk, LiveKit) or media pipelines (Pipecat) - Experience integrating with medical information systems - Tests with pytest as a regular part of work

Conditions

• Salary from 80,000 to 120,000 ₽ per month, net
• Full-time employment
• Schedule: 5/2
• Remote work