This machine learning engineer will be focused on developing post-training components of InstructLab, including preference tuning and tool use. Engineers in this role will run experiments, tests, and large-scale distributed jobs in support of post-model training AI product features. They will lead a variety of coding projects in different programming languages (primarily python), helping transition software components from research into product. Engineers in this role will also participate in and lead upstream communities with a focus towards preference tuning and tool use. They will also promote machine learning and data science technologies and ongoing machine learning projects with a variety of technical and non-technical stakeholders.