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Posted 4 months, 2 weeks ago

Phonely

Senior Backend Engineer (Python)

Roles

Compensation

No salary listed. Benefits include company-paid meals, periodic international work trips, in-office 5 days/week in San Francisco.

Tech stack

Location

San Francisco

Work setup

Full-time Employee
Senior

Description

Senior backend engineer to build core systems for real-time voice AI conversations. Responsibilities include building Python-based state systems, integrating multiple LLM providers (prompting, routing, tool calling, fallbacks), writing high-performance async Python (FastAPI, asyncio), designing and testing resilient agent logic and microservices, and operating/improving production systems with strong observability. In-office 5 days/week in San Francisco.

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