✦ Luna Orbit — AI & Machine Learning

Principal Data Scientist

at Discover Financial Services

📍 4 Locations Unknown 💰 $147K – $167K USD / year Posted March 30, 2026
Salary $147K – $167K USD / year
Type Full-Time
Experience senior
Exp. Years 3+ years
Education Bachelor's Degree; Master's Degree or PhD preferred
Category AI & Machine Learning

Principal Data Scientist role focused on AI in Credit, building models to forecast credit outcomes and applying explainability techniques in a regulated environment.

  • Develop modeling approaches to forecast credit outcomes in changing economy
  • Apply explainability techniques to identify insights
  • Develop AI-model-based decisioning frameworks
  • Collaborate on cross-functional teams with ML engineers, product managers, and credit analysts

Technical scope includes Python/Scala/R, ML algorithms, distributed computing (Hadoop/Spark), ML frameworks (TensorFlow, PyTorch), explainability techniques, and credit underwriting domain knowledge.

The ideal candidate is a senior data scientist with strong Python/Scala/R expertise, 3+ years of ML and explainability experience, and a track record applying ML to credit underwriting in regulated environments.

Bachelor's Degree in quantitative field + 5 years of analyticsMaster's Degree in quantitative field or MBA with quantitative concentration + 3 years of analyticsPhD in a quantitative field3+ years Python/Scala/R3+ years machine learningExplainability experienceDistributed computing experience3+ years Python/Scala/R3+ years ML
Experience with explainability in MLExperience with distributed computing3+ years experience in PythonScalaor RExperience with ML frameworks such as TensorFlow or PyTorch
PythonRScalaTensorFlowPyTorchScikit-learnApache SparkHadoopHDFSSpark MLlib
PythonScalaRMachine LearningExplainabilityDistributed computingHadoopSparkTensorFlowPyTorchScikit-learnTime seriesDeep LearningUnderwritingCapital OneBig dataData analysisRegulatory
PythonScalaRMachine LearningExplainability techniquesDistributed computingHadoopSparkTensorFlowPyTorchScikit-learnTime seriesClusteringClassificationDeep LearningUnderwritingCapital OneBig dataData analysisRegulated industry
CreativeCommunicationCollaborationQuestioningProactiveTeam orientation
Industry Fintech
Job Function Develop and deploy AI-driven credit models in a regulated financial setting
Role Subtype Principal Data Scientist
Tech Domains Python, R, Scala, Apache Spark, Hadoop, TensorFlow, PyTorch, Scikit-learn, Time Series, Machine Learning
Visa Sponsorship Yes
principal associatedata scientistai in creditcapital onepythonscalarmachine learningexplainabilitydistributed computinghadoopsparktensorflowpytorchscikit-learntime seriesdeep learningunderwritingbig datadata analysisregulatoryData scientistPythonScalaRMachine LearningExplainabilityDistributed computingHadoopSparkCapital One

Less than 3 years experience in Python/Scala/R, Less than 3 years experience in machine learning, Inability to work in the US without sponsorship

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile