Hello. My name is Mario Altagracia Jiménez.


⚪ I am a Mid Level Software Developer

⚪ Working as a Volunteer React Developer for Austin Public Library


⚪ Currently pursuing a Master's Degree in Computer Science


⚪ With several years of experience dedicated to

driving the scalability of cutting-edge web applications

Skilled in:

Creating scalable architectures, enhancing performance, and implementing security measures.

Leveraging React, JavaScript, Next.js, Docker, MySQL, Git, and PHP technologies to develop robust software solutions.

Enhancing user retention by 87% through expertly refining UI and UX across diverse web applications.

Identifing market needs, designed, and integrated software solutions which helped contribute to over $1,000,000 in annual revenue.

Guiding clients through troubleshooting processes and resolving issues pertaining to software architecture and scaling.

What I enjoy doing when I'm not working:

Sharing my insights on React, Software Development, Product management, and good programming practices

Doing tech presentations at meetups and conferences

Recent work

Webpage screenshot for Socially Elite, a Youtube Influencer/Podcaster management service website

Socially Elite Pro

A Youtube Influencer/Podcaster management and marketing agency. With a combined total of over 100 million Youtube video views, over 10 million subscribers gained for its clients organically, and over $1,000,000 in yearly revenue

Work and accomplishments:

  • Improved System Design and code architecture for the company’s PWA by 97%. Enhancing Software scalability.
  • Increased user interaction for company’s clients by 87% through multiple PWA UX/UI revamps.
  • Boosted conversion rates for clients by 125% via A/B testing optimizations.
  • Keywords: JavaScript, Git, Node.js, AWS, SQL, MySQL, Laravel, PHP, jQuery, Oracle Database, Slack.
Webpage screenshot for APL, Austin Public Library

Austin Public Library

A public library system owned by the State of Texas with over millions of monthly visitors and online users

Work and accomplishments:

  • Optimizing a Docker-deployed, React based PWA, serving millions of monthly users.
  • Implementing database optimizations for library collections and meeting room booking platform.
  • Keywords: Typescript, React, JavaScript, Remix, TailwindCSS, Git, Node.js, Docker, Slack.
Webpage screenshot for Open Austin, A volunteer civic technology community

Open Austin

A volunteer civic technology community group that actively contributes and commits to addressing local civic and social challenges inside the City of Austin

Work and accomplishments:

  • Built multiple PWAs for the City of Austin. Served a combined total of 250K monthly users.
  • Automated CI/CD pipelines for seamless updates. Increased engagement by 80%.
  • Keywords: JavaScript, Next.js, React, Git, Node.js, Typescript, Slack.
Github repo
Splashpage for ImageBox, an image search engine app created in React

ImageBox

A responsive image search engine app created in React. Provides multiple search query results for pictures and phrases searched inside the platform. Also provides contributing data for each photographer and photo creator.

Work and accomplishments:

  • Maintaned and catalogued API requests and testing for image search queries inside a PWA developed in React.
  • Implemented responsive web functionality for the PWA developed in React.
  • Wrote extensive code documentation for app functionality and future project contributors.
Github repo
Splashpage for CleanReed, A Reddit dashboard app rendering API and JSON data from multiple subreddit boards created in React.

CleanReed

A Reddit dashboard app rendering API and JSON data from multiple subreddit boards created in React.

Work and accomplishments:

  • Developed map and filter functions for all API and JSON requests and testing for current Subreddit posts inside PWA developed in React
  • Performed extensive testing and debugging for all of the software features inside the PWA.
  • Implemented responsive web functionality, a11y implementation and responsive web design for the PWA.
  • Wrote extensive code documentation for app functionality and future project contributors
Github repo
Splashpage for APIplaza, an API distributing platform for developers and companies

APIplaza

A SaaS platform that provides Software Developers and I.T. companies with RESTful API data from international brands, companies, sports competitions, and national events.

*Note: All APIs are free to testing purposes, but require a RapidAPI account for development and professional use.

Work and accomplishments:

  • Acted as a solo founder for the company. Developed the entire tech stack and software suite for the entire startup.
  • Oversaw the full development of an API distribution platform within RapidAPI’s network.
  • Bootstrapped the launch of a SaaS API distribution platform, driving a 75% engagement growth.
  • Developed high-volume, RESTful APIs for developer and company use using Node.js.
  • Keywords: JavaScript, Node.js, Heroku, RestAPI, HTTP protocols, SwaggerUI.
APIplaza - A small API distribution platform | Product Hunt
Splashpage for Petwarez Inc, an online store for pet supplies and pet healthcare

PetWarez.Inc

An e-commerce store offering pet supplies and pet healthcare products.

Work and accomplishments:

  • Ensured uninterrupted operation of a secure and dependable web-based ecommerce platform, delivering pet supplies with zero website downtime.
  • Oversaw item restock, tracked inventory stock levels, and optimized resuplying strategies to support online store operations.
  • Delivered exceptional customer service, promptly addressing inquiries and effectively resolving issues to guarantee customer satisfaction and drive sales growth.