Senior Production ML Engineer — Behavioral Insights

Wethos AI, Inc.; United States; On-site; USD 140,000 - 200,000; Full time

Job summary

Wethos AI, Inc. is seeking a Senior Data Science Engineer to turn behavioral and psychometric research into deployable ML systems at the core of our product.

You will design end-to-end pipelines and operationalize models from our research team, ensuring rigorous evaluation and reproducibility. You will collaborate with product to ship features that are statistically honest about uncertainty, mentor on data quality and experimental design, and help shape scalable, robust data infrastructure

Qualifications

• 7+ years building production ML systems preferred.
• Experience applying behavior science or psychometrics is a plus.
• Strong Python and data stack fluency; comfort with LLMs as a substrate.

Responsibilities

• Design and own end-to-end ML pipelines powering core features.
• Operationalize psychometric and behavioral models from research.
• Build evaluation harnesses with scientific rigor.
• Partner with product to ship statistically honest features.
• Mentor on data quality, experimental design, and reproducibility.

Skills

Python

Pandas

Polars

PyTorch

scikit-learn

dbt

Bayesian modeling

LLMs

Prompt engineering

Experiment design

Tools

PyTorch

scikit-learn

dbt

Polars

Job description

Wethos AI, Inc. is seeking a Senior Data Science Engineer to turn behavioral and psychometric research into deployable ML systems at the core of our product.

You will design end-to-end pipelines and operationalize models from our research team, ensuring rigorous evaluation and reproducibility. You will collaborate with product to ship features that are statistically honest about uncertainty, mentor on data quality and experimental design, and help shape scalable, robust data infrastructure