Iván Sepúlveda

iesepulveda@outlook.com
+1-714-724-4958
GitHub · LinkedIn

Education

University of San Francisco

Bachelor of Science in Physics
Minors: Engineering & Computer Science
Graduated: August 2019


Experience

Aqua Finance, Inc. — Remote

Manager of Analytics, Counterparty Risk
February 2026 – Present

  • Built counterparty risk frameworks, KPIs, early-warning indicators, predictive models, and dealer scorecards to monitor credit/fraud risk across dealers, applications, and sales channels.
  • Implemented monitoring rules, alerts, dashboards, and risk committee materials communicating portfolio health, dealer trends, and fraud insights to leadership.

Forbright Bank — Remote

Sr. Analyst, Servicing Analytics
September 2025 – February 2026

  • Delivered analytics, reporting, and strategic insights across Servicing, Collections, Capital Markets, Legal, and Compliance to monitor portfolio health and operations.
  • Analyzed repayment behavior and servicing trends; designed A/B tests and presented recommendations to leadership, clients, investors, and financial institutions.

Solar Mosaic LLC — Remote / Oakland, CA

Sr. Risk Analyst
June 2021 – September 2025

  • Developed SQL/Gephi network analysis using IP, geographic, and business-registration data to identify risk and fraud among connected entities.
  • Built an XGBoost dealer offboarding model to predict each dealer’s probability of becoming offboarded at different time horizons: 3M, 6M, and 12M.
  • Implemented dynamic partner risk scorecards, daily-updating schemas, alerts, and data initiatives with Data Engineering using DBT, Apache Airflow, AWS, and Snowflake.
  • Monitored risk KPIs, conducted loan-level performance analysis, and maintained feedback loops with Credit Policy and Operations to improve portfolio credit quality.

L-Egant Solutions, LLC — Irvine, CA

Lead Software Developer, Contract
October 2019 – June 2021

  • Developed scripts and GUI software for high-frame-rate camera operation, video capture, image algebra, pixel-intensity analysis, and two-dimensional Gaussian characterization.

Mechanics Bank Auto Finance — Irvine, CA

Data Analyst, Portfolio & Servicing Risk
August 2019 – June 2021

  • Applied K-means, hierarchical clustering, and Random Forest models to segment collection agents, analyze credit metrics, inform credit policy, and forecast portfolio losses.

Publications

  1. C. T. Chavez et al. “Measurement of 2D density profiles using a second-harmonic, dispersion interferometer.” Review of Scientific Instruments 94.2, February 2023, p. 023503.
    https://doi.org/10.1063/5.0119896

  2. M. Nikolic et al. “Applicability of optical emission spectroscopy techniques for characterization of Ar and Ar/O₂ discharges.” Journal of Physics D: Applied Physics 54.27, April 2021, p. 275203.
    https://dx.doi.org/10.1088/1361-6463/abf61c


Skills

Programming & Query Languages

Python
SQL
R
Java
LaTeX

Data Engineering & Analytics Infrastructure

Snowflake
DBT
Apache Airflow
Docker
AWS

Analytics, Modeling & Simulation

Predictive Modeling
Machine Learning
Monte Carlo Simulations
Risk Analytics
Portfolio Analytics

Visualization & Reporting

Tableau
Matplotlib
ggplot2
Mayavi

Network Analysis

Gephi
Entity Network Analysis
Fraud Network Detection

Version Control & Collaboration

GitHub
Bitbucket