Senior Data Scientist

OpalSoft
Sunnyvale, CA

We're looking for a Senior Data Scientist who loves building models that actually ship. If you thrive at the intersection of statistical rigor, production ML, and real business impact - this role is for you.


What you'll do:

  • Build and tune statistical and ML models that solve identity and fraud problems at a massive scale
  • Monitor deployed models in production — catch drift early, recommend retraining, keep performance sharp
  • Translate model outputs into clear recommendations for product and business teams
  • Work side-by-side with ML Engineers from research through deployment
  • Help shape customers' data science standards and playbooks


What you'll bring:

  • 5+ years applying ML and statistics to real business problems
  • Master's or PhD in Statistics, CS, Data Science, or equivalent experience
  • Strong Python (pandas, scikit-learn, PyTorch/TensorFlow) and SQL (Snowflake)
  • Experience with production ML environments — deployment, APIs, monitoring
  • AWS cloud proficiency
  • Excellent communication skills — you can explain a model to an engineer and a CFO


Nice to have:

  • Fraud detection, anomaly detection, or identity verification domain experience
  • Familiarity with Looker for dashboards and data storytelling
  • Graph ML or network analysis experience
  • Experience with Go, R, or Java


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