Projects • Lemuel De Los Santos

BeaversCode.club

Creator, August 2024 to Present

Beavers Code is a student-led computer science club, at the City College of New York, with leaders from ACM and GDGC.

React
CSS3
TypeScript
Next.js
Tailwind CSS
Supabase
Convex
Git

Founding member of Beavers Code, the ACM chapter at CCNY, leading technical development efforts.
Developed a workshop creation platform that features a website editor, multiple choice question games, synchronized slides presentations, and personal subdomains for individual students to host on.
Created entire website with a fully integrated admin dashboard used to create and manage club events.

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Ezno

Contributor, March 2024 to Present

Ezno is a fast and correct TypeScript type checker and compiler with additional experiments.

Rust
TypeScript
Git

Resolved issues with property checking and subtype comparisons for class and object assignments.
Introduced initial support for regular expressions, focusing on constant string pattern evaluations.
Extended functionality of the language server to support use and development on multiple platforms.

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Spot Pet Market

Founding Developer, June 2023 to Present

Spot Pet Market is a marketplace for pets, where users can buy and sell multiple kinds and breeds of pets.

TypeScript
Sass
Vue.js
Nuxt
Tailwind CSS
Supabase
Stripe
PWA
Git
Vercel

Processed and localized information about multiple kinds and breeds of pets into a common database.

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[M]nemo

Creator, June 2023 to Present

[M]nemo is a note-taking application that helps users format and remember information effectively.

Sass
TypeScript
Vue.js
Rust
Typst
CodeMirror
Nuxt
UnoCSS
Tauri
Git
Cloudflare

Implemented a custom rich text editor, using the Typst ecosystem for writing and styling notes.
Used mnemonic memory techniques to help users remember information and improve overall learning.
Created a builtin calendar and tasks system, deeply integrated with UI for faster reminder creation.
Developed cloud-based synchronization system, allowing access to notes across multiple devices.

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avast

Creator, April 2023 to May 2023

avast is an error reporting library that specializes in easy to read and write error construction.

Rust
Git

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re-set

Creator, February 2023 to April 2023

re-set is a regular expression (regex) set compiler that validates and constructs regexes at compile-time.

Rust
Git

Beat the performance of the regex crate in certain benchmarks when testing speed and memory usage.
Utilized compile-time pattern expansion to improve performance of matching string data at runtime.

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pyret-rs

Creator, April 2022 to January 2024

Pyret is an educational programming language originally developed at Brown University.

Pyret
Rust
WebAssembly
TypeScript
Git

Ported the language to Rust, improving the overall performance and extensibility of the language.
Created a non-deterministic finite automaton (NFA) for regular expressions, taking advantage of compile-time pattern expansion to improve performance of matching string data at runtime.
Invented a new lexer and parser abstraction using the NFA, allowing for a more modular design.

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Kaetram 1.x

Core Developer, November 2019 to January 2024

Kaetram was an open-source MMORPG game built with modern web standards and cutting-edge technologies.

HTML5
CSS3
Sass
JavaScript
TypeScript
Node.js
Vite
Astro
MongoDB
Cypress
Git

Maintained the project as a core developer, working on the game engine and it's multiple clients.
Managed a community of more than 1,000 users worldwide, and organized global development efforts.
Predominantly led the long-term development and maintenance of core game engine components, primarily through testing, linting, and documentation, improving game performance and stability.

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MyBook

Core Developer, on November 2023

MyBook was a website to automatically convert textbooks into study material, like flash cards, using AI.

React
Python
Vite
UnoCSS
Ant Design
Firebase

Led the development of the project under a deadline, working on the frontend, backend, and database.
Used the Nougat OCR to parse and process the text, tables, and math of textbooks into study material.

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My AFSE

Creator, January 2018 to May 2022

My AFSE was an application that helped students better navigate at the Academy for Software Engineering.

Dart
HTML5
TypeScript
Vue.js
Kotlin
Swift
Flutter
Nuxt
Deno
Firebase
Git

Provided students with a holistic view of their academic standing and visual areas for improvement.
Developed a web and mobile application that integrated grading systems, attendance tracking, class schedules, news, and events, improving student organization when better options were not available.
Adapted to remote learning by moving the community online and automating reminders for classes.