# Backend / Infra Engineer at Hamming AI

- Company: Hamming AI (YC S24)
- What the company does: Complete QA platform for voice agents. Backed by Y Combinator and AI Grant.
- Company website: https://hamming.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, CA, US / London, England, GB / Austin, TX, US
- Work setup: On-site
- Pay: $140K to $200K base salary per year (USD)
- Posted: 2024-10-11
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/hamming-ai/jobs/gxWsyHb-backend-infra-engineer
- Page: https://www.1752.vc/careers/jobs/hamming-ai-backend-infra-engineer/

## About the role

Own core services in TypeScript/Node.js and Python that orchestrate LiveKit , Temporal , STT/TTS, and LLM tooling for real-time voice agents. Scale 1 → N → 100× : take what works today and harden it for 10K parallel calls with 99.99% uptime. Turn human playbooks into productized systems.

## What they're looking for

- Have senior/staff experience running distributed backends with real-time/streaming constraints
- Are fluent in TypeScript/Node.js and comfortable jumping into Python for ML/audio jobs
- Know Temporal (or similar workflow engines), queues, Redis, and PostgreSQL
- Have shipped production LLM apps and understand prompt/tool design, evals, and guardrail instrumentation
- Operate cloud-native on AWS with Terraform , k8s doesn’t scare you
- Are a power user of Cursor/Zed/Devin and were using code-gen before it was cool

Tags: Engineering