Alex Machado

Full Stack Engineer

I build high-performance, engaging, and user-friendly digital experiences.

About

I started my career back in 2018 as an email production developer learning the basics of HTML and CSS. Over the years, I’ve expanded my expertise across the full stack—developing frontend interfaces, managing teams, and now focusing heavily on backend development.

Lately, my work has been centered on building APIs and server-side logic for a live-streaming platform, architecting scalable backend solutions, and creating developer-friendly tools. I’ve developed two npm packages: one for handling Iterable API calls in any JavaScript backend environment and another for fetching and rendering ads in React.

I greatly enjoy the intersection of design and engineering, and I’ve found a real passion for optimizing backend systems, improving API performance, and building tools that streamline development workflows.

When I’m not at the computer, I’m usually drawing, painting, hanging out with my cat, or trying to get the top score on the F-Zero leaderboard.

Experience

  1. 2022 - Present

    Developed scalable web applications using javascript technologies like Node.js, Express, TypeScript, and frameworks such as React and Next.js to drive operational efficiency. Consistently delivered clean, modular code—completing one major project two weeks ahead of schedule in a fast-paced agile environment. Debugged 5+ existing applications to maintain business continuity and partnered with architects to standardize code across five projects, reducing debugging time by 15%. Collaborated with senior engineers to ensure timely project delivery and launched three high-performance applications within a seven-sprint timeline. Refactored legacy code and introduced reusable Next.js components, improving page load times by around two seconds.

    • HTML
    • CSS
    • TypeScript
    • Javascript
    • Typescript
    • PHP
    • Go
    • Node.js
    • Next.js
    • PostgreSQL
    • Mongo DB
    • Mongoose
  2. 2021 - 2022

    Collaborated with marketing stakeholders to integrate an ad delivery system across five applications, doubling site revenue. Led the development of a React npm package that cut API integration time by 60% and reduced ad rendering errors by 35%. Engineered a Node.js server-side architecture that scaled live streams to 10,000 concurrent users with sub-50ms latency. Contributed to the migration from a legacy PHP codebase to a modern Node.js stack, boosting system performance by 30%. Implemented a new escalation protocol that achieved a 97% resolution rate for critical support tickets, significantly minimizing user and revenue impact.

    • HTML
    • CSS
    • JavaScript
    • PHP
    • Express
    • Node.js
    • Next.js
  3. 2019 - 2021

    Led a team of 3 developers, implementing email marketing strategies and optimizing code for improved performance, resulting in $12 million in revenue yearly. Worked closely with cross-functional teams to gather and refine project requirements. Diagnosed and resolved bugs and issues, ensuring a seamless user experience.

    • HTML
    • CSS
    • Email on Acid
    • LiquidScript
    • Blueshift
    • WordPress
  4. 2018 - 2019

    Worked as sole contributor implementing email marketing strategies and optimizing code for improved performance. Worked closely with cross-functional teams to gather and refine project requirements. Assisted migrating CMS platforms. Diagnosed and resolved bugs and issues, ensuring a seamless user experience.

    • HTML
    • CSS
    • Email on Acid
    • LiquidScript
    • Blueshift
    • WordPress