Brett Finkelstein

Experience

Chubb Insurance

Philadelphia, PA

Software Engineer III

Mar. 2026 – Present
  • Led Signal+ development using Python, Databricks, and Snowflake, automating ingestion, transformation, and model monitoring workflows to detect data drift and track loss, reducing monitoring timelines from months to weeks.
  • Created and designed the Account Data Strategy pipeline in Databricks, architecting scalable ingestion and standardization workflows for massive brokerage datasets to enable governed, enterprise-wide downstream consumption in Snowflake.
  • Building Smart Mapper, an AI-agent driven workflow that maps agency book-of-business columns to the Account Data Strategy standard and persists approved mappings to Snowflake, reducing a manual hours-long process to minutes.

Software Engineer II

Apr. 2024 – Mar. 2026
  • Led frontend development of GenAI-powered web applications for regulatory analysis using Angular, TypeScript, and Node.js, while owning the RAG pipeline frontend and streamlining workflow efficiency across business units, earning a global recognition award.
  • Deployed and managed application services with Kubernetes (K8s) to ensure scalability, reliability, and rapid iteration.
  • Modernized the ChubbIQ project by automating agency data ingestion and lead generation with Databricks (PySpark, SQL, Azure Data Lake), reducing new agency onboarding time by 70%.
  • Analyzed underwriter-agent communications with SQL to surface actionable relationship insights, earning a global innovation award.

The Vanguard Group

Malvern, PA

Software Engineer II

Sep. 2022 – Apr. 2024
  • Modernized a Python, Flask, and JavaScript web application into a centralized AWS job management platform, enabling researchers to launch, monitor, and debug data jobs through the UI.
  • Built and managed AWS SageMaker pipelines for ML/NLP models including Word2Vec, Doc2Vec, and a custom BERT model trained on SEC filings and earnings call transcripts, unlocking spoken-word analysis as a new investment signal.
  • Collaborated with traders to engineer a live financial analysis tool in Python, integrating OneTick market data to deliver real-time global market insights.

Software Engineer I

Jun. 2021 – Sep. 2022
  • Designed and deployed Portfolio Analyzer, a Flask web application on AWS ECS giving research and portfolio managers a centralized platform to compare stocks across data sources, contributing to millions of dollars of Alpha.
  • Engineered an automated data pipeline using AWS Lambda, SQS, and DynamoDB to stream Federal Reserve Economic Data (FRED) directly to Quantitative Equity Group researchers.
  • Led the upgrade of research and production systems to a higher Python version, including package updates and compatibility fixes across team workflows.

Education

University of Massachusetts Amherst

Amherst, MA

B.S. in Computer Science

Skills

Languages

PythonTypeScriptJavaJavaScriptNode.jsSQL

Cloud & DevOps

AWSAzureDockerJenkinsKubernetesGit

Frameworks & Libraries

AngularReactFlaskFastAPIPlotlyHugging FaceGensimPySpark

Data Platforms

SnowflakePostgreSQLSSMSDatabricksAzure Data LakeDynamoDB