Senior Research Engineer, LLM Data

Overview

Senior Research Engineer role at MLabs. Our client is a research lab that provides post-training data and RL environments to foundation model labs and frontier applied AI companies. They have raised significant funding from top-tier VCs and are growing rapidly. As a Senior Research Engineer, you will drive cutting-edge research at the intersection of scalable infrastructure and modern reinforcement learning frameworks. This is an opportunity to join an early-stage team with high autonomy and direct exposure to projects that are used and validated in production by leading labs.

Location

San Francisco, CA

Employment type

Full-time

On-site

5 days / week in-person

Responsibilities

• Design and implement scalable RL recipes for post-training task-specific models
• Develop modular environments, reward functions, and evaluator scaffolds for both internal and customer-facing tasks
• Drive research to enable RL-as-a-service and publish open-source environments and training data
• Build data generation and curation pipelines to support frontier post-training
• Collaborate with product teams to deliver a user-friendly interface for non-technical users to generate data

Requirements

Benefits

Commitment to Equality and Accessibility

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