Nathan Li

Cambridge, Massachusetts, United States · moncskoli@gmail.com

Hey there! I'm a software engineer based in Boston and a recent graduate of Harvard, where I studied Computer Science, Economics, and History. I'm passionate about building technology with real-world impact and love exploring the intersection of tech, business, and community. Read more below!

Education

Harvard College

Class of 2025
Double B.A. in Computer Science (Honors) and Economics; Minor in History
GPA: 3.72 / 4.00
Teaching:
  • Teaching Fellow - AM120 (Applied Linear Algebra)
  • Course Assistant - CS50 (Intro to CS)
Groups:
  • Executive Director - HackHarvard
  • President - Harvard Open Data Project
  • Stein & Merch Chair - Pforzheimer House Committee
  • Varsity Men's Lightweight Crew '21-'22
  • Club Swim '22-'23
2021 - 2025

Cambridge Rindge and Latin School (CRLS)

Class of 2021
GPA Unweighted: 98.1/100, ACT: 36/36
GPA Weighted: Not calculated
Groups: Crew Team, Debate Team, Robotics Team, Science Team
2017 - 2021

Skills

Programming Languages
  • Python
  • JavaScript
  • React.js
  • TypeScript
  • HTML
  • CSS
  • C++
  • R
  • Java
Software & Tools
  • Git
  • VS Code
  • Kubernetes
  • AWS
  • Terraform
  • Onshape
  • Sketchup
Work Ethic
  • Leads responsibly and is team-oriented
  • Communicative and organized
  • Asks questions and eager to learn
  • Data driven problem solver

Experience

Klaviyo
Ongoing

Software Engineer I
  • Primary engineer owning Klaviyo’s onsite visitor identification systems for ecommerce personalization
  • Scaled visitor identification from 19M to 64M identifications/day during Black Friday traffic through load tests and cookie experiments, increasing first-party cookie identification 15% and email flow sends 25%
  • Spearheaded Shopify client identifier migrations ahead of platform cookie deprecations, empowering 11,000+ customers to continue engaging shoppers using previously lost data from anonymous browsing
  • Owned a multi-million-iteration backfill to safely scale anonymous visitor tracking from ~30% to near-universal adoption across 2M+ customer accounts, improving insight into shopping behaviors
2025 - Present
Software Engineer Intern
  • Planned and executed a backend domain decomposition effort to help move Klaviyo’s data platform from a monolith to a microservices architecture, supporting peak email/sms sends of 11.6 million per minute
  • Refactored service interfaces to return DTOs instead of ORMs, improving security of our database models
Summer 2024

Medra
3 Months

Software Engineer Intern
  • Increased Medra’s lab automation robot usability by over 40% with new full stack React and TypeScript web-app features, including workflow configurability, remote robot control, and live robot status updates
  • Reduced robot footage review time by over 50% with an automated video post-processing Python script
  • Built foundation for integrating PyBullet path planning and led codebase version migration to Python 3.10
Summer 2023

Markforged
6 Months

Software Engineer Intern
  • Implemented cloud autoscaling for high traffic using DevOps tools like Kubernetes, AWS, and Terraform
  • Shipped a full stack feature for print status notifications, used by 12,000+ industrial 3D printer customers
  • Developed a suite of automated Mocha and Jest software tests that cut code deployment time by over 75%
Summer 2022 and 2021

New England Aquarium
4 Months

Visitor Education Intern
Summer 2020 and 2019

Cambridge Public Schools
2 Months

Accounts Payable and Purchasing Department Intern
Summer 2018

Cambridge Community Center
2 Months

Youth Guidance Counsellor
Summer 2017

Extracurriculars

Riverside Boat Club
Ongoing

Rower
  • Rower on the Men's Sweep Team, competing year-round at the club level (e.g. Royal Canadian Henley Regatta, Head of the Charles)
2025 - Present

HackHarvard
2 Years

Executive Director
  • Led Harvard’s largest annual international hackathon, attended by 500+ students and 30+ volunteers
  • Directed and trained team of 30 Harvard undergrads across multiple subteams, like marketing and finance
  • Managed $50,000+ budget and acquired sponsors like Meta, HRT, Google Cloud, SIG, and MathWorks
  • Built HackHarvard website using React.js, both web and mobile friendly, received over 24,000 views
2022
Director of Logistics
  • Led logistics subteam to organize hackathon event scheduling and budgeting
  • Coordinated partnership with Gather Town to create virtual hackathon venue
2021

Harvard Open Data project
2 Years

President
  • Led Harvard's largest data science community, hosting free data journalism bootcamps and data journalism publications
  • Taught data science and machine learning to support 150+ annual new data journalism students
  • Directed team of 14 to organize free data science events like HODP's datathon and predictions game
2023 - 2024
Director of Finance
  • Raised and managed $10k budget through grants and corporate sponsors
Spring 2023
Data Journalist
Fall 2022

MGH Cardiovasular Imaging Research Center
2 Years

Undergraduate Researcher
  • Used python, fastai, and CNN deep learning models to predict osteoporosis risk using chest radiographs
  • Awarded $1k grant from Harvard College Research Program for term time osteoporosis risk research
  • Used R and machine learning to apply longitudinal approach to smoking data and predict lung cancer risk
2022 - 2023

Harvard Varsity Men's Lightweight Crew
1 Year

Coxswain and Rower
  • '21-'22 season: Coxed 3V to victory over Georgetown and MIT at Overpeck Invitational, victory over Dartmouth and MIT on Charles River, victory over Princeton at HYP, victory over Princeton in heat at Eastern Sprints, qualified for Grand Final at Eastern Sprints
  • Trained for the following season as a rower, but stepped away in Fall '22 to lead HackHarvard as Executive Director
2021 - 2022

CRLS Varsity Crew
4 Years

Coxswain and Rower
2017 - 2021

Boston Chinese Musicians Association Youth Orchestra
3 Years

Orchestra Erhu Player
2018 - 2021

Portfolio

In my spare time, you can find me getting hands on with various projects. From machine learning to robotics to woodworking, I love creating both functional and exciting projects. Take a look at some of my works below!

Lung cancer xray
Read more

AI and Predicting Lung Cancer

Since early 2022, I've been researching how to use AI for lung cancer predictions at the Cardiovascular...READ MORE

Airplane
Read more

Machine Learning and Airline Reviews

In this fun project, I wanted to create a machine learning model to categorize sentiments of airline reviews...READ MORE

Markforged
Read more

Your Olympic Path - Fullstack ML Webapp

I put together a fun webapp that uses ML to predict the Olympic event you'd be best at! The problem was...READ MORE

Tank
Read more

DIY Nerf Turret Tank Design

In a blend of programming and robotics, I decided to design and a program and tank with a nerf turret that...READ MORE

Projects
See full portfolio

In addition, I programmed much of the structure and features for this website! Feel free to check out my source code here.

Volunteering

Riverside Boat Club
Ongoing

History Committee
  • Preserving and sharing Riverside's extensive 150+ year history
2025 - Present

Harvard Pforzheimer House Committee
2 Years

Stein Chair and Merch Chair
  • As Stein Chair planned and executed socials and happy hours for the house, each with 100+ attendance
  • As Merch Chair managed all merchandise design, orders, and sales for the house
    • Raised over $2,500 for future house events through merch sales
2023 - 2024
House Staff Hiring Committees
  • Served on Faculty Dean Search Committee to interview and select new Pforzheimer Faculty Deans
  • Served on Pre-Med Tutor Search Committee to interview and select residential tutors for Profzheimer's Pre-Med students
2023 - 2024
Housing Day Video Director & Editor
  • Coordinated, directed, and edited 2023 and 2024 housing day video for house spirit as part of Harvard tradition
  • Accumulated 18,000+ views on YouTube, Pforzheimer's best since 2018, ranked third by the Harvard Crimson FlyBy in 2023
2023 - 2024

Asian American Civic Assocation
3 Years

Head Citizenship Class Teacher
  • Prepared immigrants for the naturalization exam through my currated citizenship course
  • Led a team of Boston University and high school volunteers to help during class
  • Provided support to students outside of class through Google Classroom, online chats, etc.
2019 - 2021
Bilingual Lecturer and Tutor
  • Lectured in Mandarin to teach groups of immigrant Chinese women how to use technology
  • Created computer class materials in Chinese and English and collaborated with other tutors
2018 - 2019

New England Aquarium
4 Months

ClimaTeens Member
March 2021 - June 2021

Cambridge Public Schools
3 Years

Freshman Advisor
2019 - 2021
Math Tutor
2018 - 2019

Awards & Certifications

  • Pfoho Community Engagement Award - For contributions to house and campus life at Harvard
  • CRLS 2021 Super Senior - Among 22 out of ~450 graduates chosen for academics and embodiment of school motto
  • Edward Hopkins Scholar - Awarded to top three males and top three females in graduating class (~450 students)
  • National Merit Commended Scholar
  • National AP Scholar
  • Massachusetts Seal of Biliteracy With Distinction - Chinese (Mandarin)
  • Massachusetts Seal of Biliteracy - Spanish