David Tong

About David Tong

Results-driven Data Scientist with 10+ years of experience in digital payments, consumer lending, healthcare, and risk management. Strong business insights in consumer credit, digital payments, healthcare analytics, and credit and fraud risk, with a proven ability to drive data-informed decisions. Experienced in end-to-end experimentation and model development—from problem definition to production launch and monitoring. Expert in leveraging user bank transaction data to build predictive and risk models. Hands-on experience leveraging LLMs for rapid prototyping, data curation, and workflow automation (“vibe coding”) to accelerate model development and iteration. Skilled in Python, AWS, Snowflake, Mode, and Tableau, with extensive cross-functional collaboration experience in fast-paced environments. Tech Toolkit: Python - NumPy & SciPy, pandas, scikit-learn,matplotlib, seaborn. SQL - where, group by, case when, join, window function Vibe CodingLLMAWS - RDS, Lambda, ECS, DynamoDBData Visualization - Tableau, Python, R, Machine Learning - Regression, classification, SVM, trees, ensemble learningOthers:Excel, Linux command line, Github, Docker, MongoDB; HTMLIndustries: Healthcare - Bundled Payments, Value-Based Payments, CMS, Service Line Variation Analysis, EMS data acquisition and pipeline; Reduce clinical variation; Find sustainable way to save costDigital Payment- Funding Plan & Option, Auth-Capture Payment Model, Payment Process; Near Real Time Risk data monitoring and managementRisk Management - Underwriting, Fraud Detection, Transaction Flag & Tagging, Near Real Time/Offline Risk Transaction Data Monitoring & Alerting, Target Pattern & Anomaly DetectionFun Facts:Outdoor sports lover; hiking,(profile picture was took on Mount Si :)) skiing;

Experience

1. Lead Data Scientist

   Dave

   Mar 2023 — Present · Seattle, WA, US

   Lead a data science team worked with cross-functional partners to improve user\'s credit and the banking experience.

Education

• University of Wisconsin-Madison

  Master’s Degree, Statistics