# AI/ML Harness Engineer at Karumi

- Company: Karumi (YC F25)
- What the company does: The Waymo of Personalized demos. Backed by Y Combinator.
- Company website: https://www.karumi.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: New York, NY, US / Madrid, MD, ES / Madrid, Community of Madrid, ES
- Work setup: On-site
- Pay: $80 to $170/hr (USD)
- Posted: 2025-12-04
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/karumi/jobs/Ht5Bs00-ai-ml-harness-engineer
- Page: https://www.1752.vc/careers/jobs/karumi-ai-ml-harness-engineer/

## About the role

Join our AI engineering team in the US to build the core intelligence behind our platform. You'll work at the intersection of voice AI, browser automation, and large language models - creating agents that can listen, speak, navigate interfaces, and interact naturally with users in real-time.

## What they're looking for

- - Production experience with LLMs (OpenAI, Anthropic, or open-source models)
- - Hands-on work with speech AI (STT/TTS systems like Deepgram, ElevenLabs, Whisper)
- - Experience with browser automation (Playwright, Puppeteer, Selenium) or computer vision
- - Strong Python skills with async programming and real-time systems
- - Understanding of prompt engineering, retrieval systems, and agent frameworks
- - Ability to debug complex AI behaviors and build observability tools

Tags: Engineering