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Latest ML Engineering jobs at Firecrawl

Research Engineer – Evals

Builds evaluation systems to measure Firecrawl's web data extraction quality across diverse websites and workflows. Designs metrics, pipelines, benchmarks, and LLM judges; integrates into CI/CD and model training loops. Requires 3+ years in ML engineering or data quality with production systems.

160k – 240kSan Francisco, CAML EngineeringHybrid3+ YOERLHFCI/CD

Research Engineer — Reinforcement Learning

Builds training infrastructure, reward pipelines, and fine-tuning systems for RL-enhanced LLMs focused on web data extraction. Bridges classical RL and modern LLM agents, ships production models, runs fast experiments. Requires 3+ years in applied RL/ML engineering.

180k – 290kSan Francisco, CAML EngineeringRemote3+ YOEPpoRLHF