Senior Data Scientist (Fraud Detection and Investigative Analytics)

Node.Digital

$120K — $145K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's, Ph.D., or equivalent in data science or related field, or 10 years of applicable work experience.
  • 5+ years designing and maintaining advanced AI systems and predictive models.
  • 5+ years developing analytic rules and models with modern tools.
  • 5+ years creating regression and classification models for anomaly detection.
  • 3+ years supporting criminal investigations into financial fraud or government fund abuse.
  • 3+ years data manipulation experience in Python, especially with Pandas.
  • 3+ years working in cloud environments (Azure, AWS, GCP) with preferred certifications.
  • 2+ years advanced data analysis in SQL (SQL Server, PostgreSQL).
  • 2+ years developing natural language processing solutions.

Responsibilities

  • Review and enhance existing loan fraud indicators and provide expert analytics.
  • Design, implement, and calibrate advanced statistical and ML models for fraud detection.
  • Build and tune supervised/unsupervised models, including regression and clustering methods.
  • Conduct data quality analysis to detect inconsistencies in large datasets.
  • Work closely with investigators to adapt analyses for fraud cases and address data issues.
  • Document methodologies for models to comply with criminal evidentiary standards.
  • Generate case leads for SBA investigations based on analytical findings.
  • Create dashboards and visualizations for various stakeholders, refining with feedback.
  • Coordinate with data engineers to optimize ML architecture.
  • Automate processes using tools like SharePoint, Python, and Power BI.

Benefits

  • Comprehensive medical, dental, and vision insurance.
  • Basic life insurance coverage.
  • Health savings account options.
  • 401K matching contributions.
  • Generous PTO/Sick leave of three weeks.
  • Eleven paid holidays annually.
  • Pre-approved online training opportunities.
Full Job Description
Senior Data Scientist (Fraud Detection and Investigative Analytics)

Location: Herndon, VA (Remote Work)

Must have an Public Trust Clearance

KEY RESPONSIBILITIES
  • Review, maintain, and extend all existing loan fraud indicators developed by TSD, and provide authoritative expertise on analytic method selection.
  • Design, develop, test, calibrate, and implement advanced statistical and machine learning models targeting financial fraud, improper payments, and non compliance within SBA programs.
  • Build and refine both supervised and unsupervised models, including regression, Bayesian, clustering, and ensemble approaches, and tune candidate models to determine best fit.
  • Perform data quality analysis on source tables to identify abnormalities and inconsistencies, and develop repeatable processes for combining and analyzing large relational, structured, and unstructured sources.
  • Collaborate directly with criminal investigators to determine and execute analytic strategies supporting loan fraud cases, adapting analysis as case needs shift and proactively surfacing data quality issues.
  • Adhere closely to the federal rules of criminal procedure governing protected information, including Rule 6(e).
  • Develop case leads for SBA OIG investigations from model outcomes.
  • Document all methodology, test models, and production models in a form that satisfies criminal evidentiary requirements.
  • Build visualizations and dashboards that convey methodological choices, outcomes, and predictive capability, and iterate them on end user feedback.
  • Deliver findings in multiple registers: data summaries and visualizations for investigative staff, executive summaries for OIG leadership.
  • Coordinate with the data engineering seat so the architecture supports machine learning efficiently.
  • Create programming and automation techniques that improve task efficiency using SharePoint, Python, Excel, Power BI, Power Apps, and similar tools.
  • Identify new business questions that expand the scope of analysis and reporting.

Requirements

Required:

Education

Master's, Ph.D., or doctorate level equivalent degree in data science, machine learning, computer science, mathematics, or a related field. Alternatively, ten years of applied work experience in any of the same fields.
  • 5+ years Designing, implementing, and maintaining advanced AI systems and predictive models, including both supervised and unsupervised models.
  • 5+ years Developing analytic rules and models using leading edge analytic tools and best practices.
  • 5+ years Developing regression, classification, and other statistical models to identify anomalies, patterns, and predictive variables.
  • 3+ years Providing data support for criminal investigations into financial fraud or abuse of government funds.
  • 3+ years Manipulating data in Python. Pandas is required.
  • 3+ years Working in a modern cloud environment: Azure, AWS, or GCP. Certifications preferred.
  • 2+ years Conducting advanced data analysis in SQL, specifically SQL Server and PostgreSQL.
  • 2+ years Developing and scaling natural language processing solutions.
  • 2+ years Presenting methods and findings to technical and non technical stakeholders, both orally and in written products and visualizations.


PREFERRED QUALIFICATIONS
  • Cloud certification in Azure, AWS, or GCP.
  • Direct experience with SBA loan programs, including 7(a), 504, EIDL, or PPP, or with comparable federal lending or grant fraud.
  • Entity resolution, record linkage, or graph and network analysis applied to fraud.
  • Experience producing analytic products that were used in a criminal referral or prosecution.
  • Model explainability practice such as SHAP or comparable feature attribution methods.

Benefits

We are proud to offer competitive compensation and benefits packages to include
  • Medical
  • Dental
  • Vision
  • Basic Life
  • Health Saving Account
  • 401K matching
  • Three weeks of PTO/Sick
  • 11 Paid Holidays
  • Pre-Approved Online Training

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