GenAI Research Engineer — Build Scalable LLM Systems

Meta; Bellevue, Northern (WA, KY); Hybrid; USD 180,000 - 280,000; Full time

Job summary

Meta is hiring Research Engineers to join teams at the intersection of frontier AI and real-world product impact. You’ll be embedded directly in Facebook’s ecosystem, helping reimagine core experiences and reshape how people discover content, connect with creators, and interact with each other.

You’ll work on open research questions with immediate product consequences, owning the loop from data to production behavior.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience.
• Experience as a formal technical lead or influencing strategy across multiple teams.
• Impressive engineering background; PhD not required.

Responsibilities

• Build post-training evaluation, serving systems for frontier LLMs.
• Develop agentic platform to power GenAI products across Meta.
• Scale systems across Meta’s products with cost and capacity optimizations.

Skills

GenAI

ML environments

Open-ended evaluation

Data pipelines

Education

Bachelor's degree in Computer Science, Computer Engineering, or related field

Tools

Versioning

Data pipelines

Job description

Meta is hiring Research Engineers to join teams at the intersection of frontier AI and real-world product impact. You’ll be embedded directly in Facebook’s ecosystem, helping reimagine core experiences and reshape how people discover content, connect with creators, and interact with each other.

You’ll work on open research questions with immediate product consequences, owning the loop from data to production behavior.