CareerPlan

Model Behavior Engineer

USAFull-time2026-10-17 → 2026-11-10

Core

Design agent environments and reasoning workflows to improve AI system behavior for high-stakes decisions in scientific R&D and commercial strategy.

Role type

Senior IC model behavior engineer (AI systems)

Builds

Agent environments, reasoning workflows, and evaluation systems for frontier models

Domain

AI/ML, scientific R&D, commercial strategy

Deliverable

production ML models

Required skills

rigorous thinking about ambiguous problems, experimental design, software architecture, Python, language model capabilities, coding assistants

Preferred skills

domain expertise in economics or quantitative trading, full-stack engineering background

Technologies

Python, language models, coding assistants

Responsibilities

Define and measure good reasoning for underspecified problems, turn observed failures into testable hypotheses, design software abstractions for reasoning workflows, write maintainable code and participate in code reviews, integrate systems into the product, test improvements on real cases

Seniority

Senior, hands-on IC