Onsite Research Engineer Intern: AI Data & Evaluation

Mercor Inc

Mercor is seeking a Research Engineer in San Francisco with a strong applied research background to advance post-training and evaluation for frontier language models. You will contribute to RLVR, synthetic data generation, and large-scale evaluation workflows that directly impact model performance.

You will design experiments, build scalable data pipelines, and collaborate with researchers to push the boundaries of LLM tool-use and real-world reasoning.

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Vacancy posted 1 day ago

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