About AfterQuery AfterQuery builds the training data and evaluation infrastructure that frontier AI labs use to make their models better. We work with the world's leading labs to design high signal datasets and run rigorous evaluations that go beyond static benchmarks. We are a small, early team (post Series A) where individual contributors have a direct impact on how the next generation of models learn and improve. The Role Your job is to prove that our data works . You will design and run training experiments that isolate the impact of our datasets on model behavior. This includes SFT and RL-based post-training, where you’ll measure how different data sources shift capability, generalization, and alignment. Working closely with partner labs, you will turn our datasets into clear, defensible evidence: this data → this improvement → under these conditions . This is experimental, high-leverage work. What You'll Do Run controlled SFT and RL experiments to measure the impact of our datasets on model performance. Help build public evals and new data types that push the frontier. Publish external-facing research, blog posts, and technical reports. Work with internal SPLs to iterate on d
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