Senior Data Scientist (Fraud Detection and Investigative Analytics)

Node.Digital LLC; Herndon (VA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401K matching

Paid holidays

Job summary

Node.Digital LLC is seeking a Senior Data Scientist to lead fraud detection and investigative analytics for SBA programs. Location is Herndon, VA with remote work options; Public Trust clearance is required.

You will design and deploy advanced AI models, collaborate with investigators, and produce dashboards and reports for leadership. Strong Python, SQL, and cloud experience are essential.

Qualifications

• 5+ years designing and maintaining advanced AI systems and predictive models.
• 5+ years developing analytic rules and models.
• 5+ years developing regression, classification, and other statistical models.
• 3+ years providing data support for criminal investigations.
• 3+ years manipulating data in Python (Pandas required).
• 3+ years cloud environments (Azure, AWS, or GCP) with certifications preferred.
• 2+ years SQL Server and PostgreSQL.
• 2+ years NLP development and scaling.
• 2+ years presenting findings to diverse stakeholders.

Responsibilities

• Review and extend existing loan fraud indicators and provide analytic method expertise.
• Design and implement ML models for fraud detection in SBA programs.
• Build and refine supervised and unsupervised models and tune for best fit.
• Perform data quality analysis across large relational and unstructured sources.
• Collaborate with investigators to tailor analytic strategies for fraud cases.
• Adhere to Rule 6(e) and criminal procedure rules.
• Develop case leads from model outcomes for investigations.
• Document methodology to satisfy evidentiary requirements.
• Create dashboards and visualizations to communicate results.
• Deliver findings to investigative staff and leadership.
• Coordinate with data engineering to support ML workloads.
• Develop automation using SharePoint, Python, Excel, Power BI, Power Apps.
• Identify new questions for expanded analysis.

Skills

Python

Machine Learning

Data Visualization

Communicating findings

Pandas

Education

Master's, Ph.D., or doctorate in data science or related field

10 years applied work experience in data fields

Tools

SharePoint

Excel

Power BI

Power Apps

Python

SQL Server

PostgreSQL

Pandas

Azure

AWS

GCP

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.

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.

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