Real-Time Audio Backend Engineer (Python)

Polygraf Inc.; Austin (TX); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Polygraf Inc. is building a high-performance platform that captures and analyzes live data streams to generate actionable insights, with a focus on scalability, privacy, and on-prem compatibility.

You’ll own real-time audio ingest and processing, targeting strict latency, and will integrate ASR (local and cloud) plus online diarization, while building observable metrics and platform integrations with Meet/Teams/Zoom.

Qualifications

• Experience with real-time streaming systems (audio/WebRTC/RTP or similar).
• Python development experience including Django/DRF and FastAPI.
• Experience deploying and managing services in Dockerized environments.
• Strong understanding of relational and non-relational databases.
• Ability to build observability, performance profiling, and latency-focused metrics.

Responsibilities

• Own real-time audio ingest and processing with strict latency targets.
• Integrate ASR (local and cloud) and online diarization.
• Plug in scoring services as independent, non-blocking components; stream results.
• Build metrics/alerts: latency, throughput, basic accuracy signals.
• Add platform integrations over time (Meet, Teams, Zoom).

Skills

Real-time streaming systems

Python

Django/DRF

FastAPI

Dockerized environments

Databases (SQL/NoSQL)

Deployment & operations

Observability & profiling

Latency targets

Tools

Docker

Job description

Polygraf Inc. is building a high-performance platform that captures and analyzes live data streams to generate actionable insights, with a focus on scalability, privacy, and on-prem compatibility.

You’ll own real-time audio ingest and processing, targeting strict latency, and will integrate ASR (local and cloud) plus online diarization, while building observable metrics and platform integrations with Meet/Teams/Zoom.