Pattern
Sr. Machine Learning Engineer
Lehi, UT, US · Hybrid · Senior · Full-time · Posted Sep 18, 2026
- Experience
- 3+ years owning production software services end to end.
- Education
- Formal statistics or machine learning training, or a defensible equivalent depth built on the job.
About the job
Own evaluation systems and model-side quality improvements for Pattern’s generative content platform, which creates ecommerce listing content and imagery.
What you'll do
- Build datasets, rubrics, automated judges, and quality gates to assess generated content and catch problematic outputs before brand review.
- Turn brand rejection reasons into structured labeled training data for model improvements.
- Quantify content quality, set approval thresholds with data science and brand teams, and drive model experiments.
What they ask for
- Strong coding and system design experience in any language or stack.
- 3+ years owning production software services end to end.
- Formal statistics or machine learning training, or defensible equivalent depth built on the job.
- Experience engineering systems with non-deterministic outputs where correctness must be measured.
Nice to have
- Fine-tuning (LoRA/PEFT), hands-on LLM or generative media production, evaluation-system ownership, or multimodal evaluation.
- E-commerce domain knowledge, human-labeling operations, or A/B testing infrastructure.
Tools
LoRA/PEFT
AI focus
Evaluate and improve generative content models, including fine-tuning or retrieval experiments, and build production quality gates for AI-generated ecommerce content and imagery.
Model-written summary · the original posting is authoritative