Senior / Principal Research Engineer, LLM Synthetic Data

As a Sr./Principal Research Engineer focused on Synthetic Data, you’ll contribute to the vision, roadmap, and delivery of our synthetic data program—from asset generation and simulation to ML training integration and measurable model gains. You will be working with the Research Engineering team in designing, generating, and implementing artificial datasets to train, test, and improve Lila’s platform and help us reach our goals.

• Help to define the synthetic data strategy and multi-quarter roadmap
• Develop evaluation frameworks that tie synthetic interventions to real model performance
• Establish standards for asset quality, diversity, documentation, and reproducibility; contribute to a healthy review culture.

• 6+ years in applied ML/ML systems with 3+ years leading industry initiatives; track record of advanced algorithms and frameworks designed specifically for generating large-scale synthetic data.
• 8+ years working with modern ML workflows: Python, PyTorch, dataset tooling, training loops, and evaluation frameworks; comfortable profiling and optimizing GPU-heavy pipelines.

• Track record of building synthetic data sets from source data to measurably augment model performance in targeted domains.
• Experience instruction fine tuning and hillclimbing therein.
• Building product requirements and feedback into sythentic data generation pipeline at scale
• Knowledge of quantization/distillation, routing/mixture-of-experts, and cost optimization at scale
• Experience working in compliance-heavy environments (HIPAA, PCI, FedRAMP) and on-prem/VPC deployments

Lila Sciences is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

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