Hi, my name is Mario Villacreses

  • Senior Software Engineer @ Godaddy.com
  • B.A. Applied Math @ CUNY Queens College
  • New York City

I'm a software engineer with 6 years of experience.

Still using Netscape? Check out my optimized site.

About me

Over the course of my career, I've had the privilege of working for companies of all sizes and across multiple industries, including education, healthcare, social media, and e-commerce.

When I'm not at the computer, I'm usually reading, brushing up on my math skills, or biking around New York City.


  • Senior Software Engineer GoDaddy.com

    • 2022 - Present
    • New York City (remote)

    Spearheaded overhaul of frontend and devops architectures for legacy e-commerce platform. Reengineered the pricing fee architecture to give customers the freedom to set their own custom transaction costs for their credit card terminals.

    • Javascript
    • Ember.js
    • Typescript
    • MySQL
    • AWS ECS
    • Github Actions
    • Docker
    • Express.js
    • Next.js
    • React
    • Tailwind
  • Software Engineer Meta (Facebook)

    • 2021 - 2022
    • Menlo Park, CA (hybrid)

    Contributed to the new universal metrics platform designed to standardize metrics lookup and integration for the entire company. Enhanced backend reliability of Metric Authoring API, resulting in a 20% reduction in latency issues and improved overall performance.

    • Javascript
    • GraphQL
    • Python
    • PHP/Hack
  • Software Engineer doc.ai

    • 2021 - 2021
    • Boston, MA (remote)

    Headed development of UI library for company's new flagship app. Created real-time geographic visualization of COVID-19 outbreak, increasing brand awareness by over 100%.

    • React Native
    • Typescript
    • Redux
    • hapi.js
    • Express.js
    • styled components
  • Full Stack Developer Knovva Academy

    • 2018 - 2020
    • Boston, MA

    Collaborated with cloud architect to build administrative tools to streamline customer management, recruiting, and real-time analytics. Refactored existing codebase to the latest standards and optimized for scalability.

    • Javascript
    • React
    • Redux
    • MongoDB
    • GraphQL
    • Express.js
    • Sass
    • AWS S3

View my latest resume


  • Chronos

    My capstone team project while attending Fullstack Academy. Chronos is a data visualization interface that allows users to create and share high quality interactive graphics.

    • React
    • Redux
    • D3
  • 8-Bit Bargains

    My first collaborative project while attending Fullstack Academy. 8-bit Bargains is an e-commerce platform for classic video game cartridges.

    • React
    • Redux
    • Express.js
    • Stripe