Hello. My name is Mario Altagracia Jiménez.


⚪ I am a Mid-Level Software Engineer

⚪ Working as a Volunteer React Engineer 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

Working as a speaker for meetups and tech conferences

Recent work

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 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.
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.