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Research Engineer, Agents

New York City, NY💼 Full-time💰 $500,000–$500,000🗓 2026-07-24 → 2026-09-26

Core

Design and optimize agentic systems using LLMs to handle complex end-to-end tasks, including novel harness design, benchmarking, and model finetuning.

Role type

Senior Research Engineer (Agentic Systems)

Builds

Agentic systems, quantitative benchmarks, and evaluation frameworks for Claude

Domain

AI Safety, Large Language Models, Agentic Workflows

Deliverable

production ML models

Required skills

LLM-based agentic system development, software engineering, machine learning, prompt engineering, automated evaluation, data mix optimization

Preferred skills

Large-scale RL on language models, multi-agent systems

Technologies

LLMs, Claude, Python (implied by engineering context)

Responsibilities

Ideate and compare performance of different agent harnesses, design rigorous quantitative benchmarks for agentic tasks, assist with automated evaluation of models and prompts, work with product org to solve challenges applying agents, create and optimize data mixes for model training

Seniority

Senior, hands-on IC

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