Hi, I'm Jeffrey Xiao!

CS @ UPenn

I'm a Senior at the University of Pennsylvania studying Computer Science. I enjoy building products to help others, teaching people to code, solving puzzles, and learning new technologies.

Projects

Mini-Minecraft

March 2021 - April 2021

Final Project for CIS460: Interactive 3D world exploration and alteration program in the style of the popular game Minecraft.

Tech Stack: C++, OpenGL

Pingry COVID-19 Dashboard

August 2020 - Present

Centralized source of info about COVID statistics at the state, county, and internal levels. Aims to inform the Pingry community during the pandemic.

Tech Stack: React, Node, Express, MongoDB

Emotify

September 2020

Built during PennApps XXI: Web app to help kids with Autism detect & practice sentiment and emotions during conversations.

Tech Stack: React, Node, MySQL, Google Cloud Natural Language API

Credit Card Rewards

May 2020

Manage all of your credit cards in one place. Maximize rewards & savings by calculating the best card to use for a given purchase.

Tech Stack: Swift, Objective-C, Google Firebase

See all projects

Education

University of Pennsylvania, School of Engineering and Applied Sciences

Philadelphia, PA --- 2019 - 2023

Candidate for BSE in Computer Science (Spring 2023)
Candidate for MSE in Computer Science (Winter 2023)
Minor in Mathematics

The Pingry School

Basking Ridge, NJ --- 2011 - 2019

Graduated Cum Laude
Captain of Varsity Cross Country, Squash, and Track & Field teams
Member of Pingry Federal Credit Union, research teams, and Peer Leadership program

Experience

Software Engineering Intern, MongoDB

New York, NY --- June 2022 - August 2022

Query Optimization Team

Software Engineering Intern, Uber

San Francisco, CA --- May 2021 - August 2021

UberSTAR Intern
Matching Inference Team

Frontend Engineer, Penn Labs

Philadelphia, PA --- September 2020 - Present

Member of Penn Courses Team
Assist in refactoring Penn Course Plan to TypeScript and styled components
Create Penn Course Review's front-end displays for registration statistics to help students better measure difficulty of registering for and popularity of a course

University of Pennsylvania

Philadelphia, PA --- January 2020 - Present

Head Teaching Assistant: CIS120

April 2021 - Present

Oversee course development, TA hiring, and logistics
Work directly with instructors to manage course and TAs

Teaching Assistant: CIS120

January 2020 - April 2021

Head of Piazza Committee
Teach proper coding foundations (OCaml & Java) to 400 students
Co-lead weekly recitations of 15+ students
Hold office hours and respond on Piazza for individualized instruction

Full-Stack Web Developer, The Pingry School

Basking Ridge, NJ --- August 2020 - October 2020

Developed and maintained a public-facing COVID-19 dashboard to inform the Pingry community of the school’s reopening status and confirmed cases at the state, county and internal levels
Used by entire Pingry community (students, faculty, parents) since the Fall 2020
Currently maintained and monitored during 2021-2022 academic year

Skills

General

TypeScript

C / C++

Python

Java

OCaml

Web

Node

React

Gatsby

HTML

CSS

Data(bases)

SQL

MongoDB

Firebase