Work and projects

APIs, data pipelines, and storage for lending, payments, and identity at Capital One, plus the systems I build on my own time.

> experience > projects

experience

Capital OneMcLean, VA2023 – present

Software Engineer II, Personal Loans and Card Payments

Jan 2024 – present

Go
TypeScript
GraphQL
AWS CDK
Aurora PostgreSQL
DynamoDB

Owned a Go orchestration API for a $250M lending product, covering interest calculation, ACH and check disbursement, and loan booking from application to bank account.
Built an AI pipeline that migrated 300+ legacy APIs to GraphQL (3 weeks to 3 days each), cut deploys from 30 to 5 minutes with a TypeScript monorepo, and led a move to Aurora that reduced storage costs by 90%.

Software Engineer I, Consumer Identity

Java
Spring Boot
Scala
Spark
AWS Glue
PostgreSQL

Moved real-time streaming on the consumer identity data platform from managed clusters to serverless Spark on AWS Glue, cutting cloud costs by 20%.
Made fraud detection queries 3x faster by redesigning PostgreSQL schemas and partitioning, and moved ML UDFs into the Java API layer for identity decisions across 100M+ customers.

Software Engineer Intern

Jun – Aug 2023

AWS Glue
AWS Lambda

Built an AWS Glue and Lambda pipeline that processes 1.4M+ monthly communications for travel card customers.
It replaced a manual email campaign process.

JefferiesNew York, NYSummer 2022

IT Summer Analyst, Data Science and Machine Learning

Jun – Aug 2022

Python
LightGBM

Worked on a LightGBM ensemble that predicts client indication of interest from imbalanced trade data.
A custom sampling method I built improved it 5% over the desk's baseline.

projects

TownhallOS ↗2024 – present

Co-founder and developer

TypeScript
Next.js
Supabase

A civic engagement platform. Scheduled GitHub Actions pipelines ingest 100K+ legislative records from Congress.gov every week into Supabase Postgres, which backs the Next.js app.

visit townhallos.org