Member of Technical Staff - Data Quality Engineer (Post-training)

As a Member of Technical Staff - Data Quality Engineer at Reflection, you will ensure that the data used for training and evaluating AI models meets high standards of quality and reliability. Your responsibilities include owning upstream data quality for LLM post-training, designing automated quality assurance methodologies, and partnering with research teams to translate data quality requirements into measurable standards. You will leverage your engineering experience and analytical skills to build workflows that maintain high-quality data across large campaigns, directly impacting model performance and alignment.