# Model Behavior Engineer
**Company:** [Notion](https://hotfix.jobs/companies/notion)
**Location:** New York, NY
**Salary:** $98K-$140K
**Skills:** LLMs, Prompt Engineering, SQL, Ai Evals, Context Engineering, Braintrust, Ai Observability, Model Benchmarking, Data Analysis, Production Debugging
**Posted:** 2026-02-20
> Owns quality for Notion AI products through context engineering, evals, data analysis, debugging, and model evaluation with top AI labs. Requires LLM experience, analytical skills, and driver mentality; no traditional coding.
## Job Description
## What You'll Achieve
- **Context engineering** — Design, test, iterate on system prompts, tool prompts, context strategies.
- **Understand & debug** — Analyze production data, transcripts, logs, user feedback; reproduce issues, find root causes.
- **Build evals & Measurement** — Design eval strategies, build datasets, track quality, own improvement loops.
- **Evaluate and launch new models** — Benchmark models from OpenAI, Anthropic, Google on quality, latency, cost, edge cases.
- **Drive quality priorities** — Surface issues for eng/product teams, own quality narrative.
- **Build tooling & systems** — Manage AI observability (e.g., Braintrust), build playbooks/tools.

## Skills You’ll Need
- Driver mentality, bias to action.
- Curiosity about LLM capabilities.
- Analytical instinct, find signal in noise.
- Comfortable with data (SQL, coding agents).
- Clear communication.
- Experience with LLMs, prompting, or AI products.

## Nice to Haves
- Backgrounds in engineering, product, data science, research, consulting.
- Built personal projects/side projects/startups.

## Compensation
For New York City: $98,000 - $140,000 base salary per year, plus equity and benefits.
**Apply:** https://hotfix.jobs/jobs/model-behavior-engineer-at-notion-26d5a619-a0c7-4356-b422-eb5c88496464
**Canonical:** https://hotfix.jobs/jobs/model-behavior-engineer-at-notion-26d5a619-a0c7-4356-b422-eb5c88496464