Senior AI Engineer – Pre-training Data (f/m/d)

We are hiring a Senior AI Engineer to work on pre-training data for our foundation models. The role involves designing, building, and maintaining data pipelines, curating and composing data mixtures, and building data quality tooling.

Requirements

• Strong Python skills and comfort with data engineering and ML infrastructure
• Experience with large-scale data processing for ML, including corpus sourcing, curation, cleaning, deduplication, and filtering
• Ability to reason about what a dataset contributes to model training and whether it matters
• Ownership mentality: you see problems through from diagnosis to solution to deployment

Benefits

• 30 days of paid vacation
• Access to a variety of fitness & wellness offerings via Wellhub
• Mental health support through nilo.health
• Substantially subsidized company pension plan
• Subsidized Germany-wide transportation ticket
• Budget for additional technical equipment
• Flexible working hours for better work-life balance and hybrid working model
• Virtual Stock Option Plan