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Calvin Eng

Software Engineer

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About Me

Hi! My name is Calvin, and I'm a software engineer based in Scottsdale, Arizona, currently working at PayPal.

I graduated from Brown University in May 2025 with a Sc.B. in Computer Science-Economics, an A.B. in Applied Mathematics, and an A.B. in Portuguese and Brazilian Studies (with Honors).

My interests span distributed systems, database management systems, and data analysis. In the past, I've done work with web development, mobile development, natural language processing, computer vision, and shell scripting.

Education

Brown University

2021 - 2025

Sc.B. Computer Science-Economics, A.B. Applied Mathematics, A.B. Portuguese and Brazilian Studies (Honors)

Relevant Coursework: Distributed Systems, Database Management Systems, Operating Systems, Deep Learning, Machine Learning and Text Analysis, Algorithmic Game Theory, Theory of Computation, Numerical Optimization, Linear Algebra, Probability and Statistics

Experience

Software Engineer

Summer 2025 - Present

PayPal

  • Engineer and maintain APIs, data pipelines, and batch applications using Spring Boot and Spring Batch, in Java, Kotlin, Python, and SQL, to support PayPal's asset externalization efforts

Research Assistant

Fall 2024 - Spring 2025

Brown University ATLAS Group

  • Helped develop a language-agnostic command that interposes on a component's execution to automatically capture and control its file system effects with Linux namespaces and OverlayFS
  • Created a pipeline that digitizes ancient Egyptian pyramid texts using image segmentation (SAM 2), classification (GPT-4), and indexing to create a searchable digital corpus for Egyptologists

Software Engineering Intern

Summer 2024

PayPal

  • Implemented new features using React and Redux for an internal web application that allows developers to perform administrative or diagnostic functions on stage, sandbox, and production environments

Research Assistant

Spring 2023 - Spring 2024

Brown University Department of Economics

  • Constructed text analysis pipelines to analyze around 400k Brazilian collective bargaining agreements with techniques like dependency parsing and TF-IDF
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Projects

Brown Daily Herald App

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Brown Daily Herald Mobile App

A mobile app for the Brown Daily Herald newspaper

React SQL TypeScript APIs
App Store

Authority Measure

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Authority Measure

Text analysis pipeline that uses dependency parsing to analyze Brazilian collective bargaining agreements

Python NLP Text Analysis
GitHub

Providence Chinatown

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Providence Chinatown

Webpage mapping the rise and decline of Providence's Chinatown for the Brown Daily Herald

HTML CSS JavaScript
Live Site

Student Poll

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Student Poll

Webpage with interactive data visualizations for the Brown Daily Herald's yearly survey on student experiences and opinions

HTML CSS JavaScript
Live Site

Get In Touch

I'm always interested in new opportunities and collaborations. Feel free to reach out!