Mario Altagracia Jimenez - Front-End Engineer

Hello. My name is Mario Altagracia Jiménez.

I am a Seasoned Software Engineer with several years of experience dedicated to driving the scalability of cutting-edge web applications.

Skilled in crafting scalable architectures, enhancing performance, and implementing security measures. Leveraged React, JavaScript, Next.js, Docker, MySQL, Git, and PHP technologies to develop robust software solutions. Enhanced user retention by 87% through expertly refining UI and UX across diverse web applications. Identified market needs, designed, and integrated software solutions which helped contribute to over $1,000,000 in annual revenue. Guided multiple clients through troubleshooting processes and resolved issues pertaining to software solutions.

What I enjoy doing when I'm not working:

Volunteer work, lauching tools for developers and companies on ProductHunt, donating to charities, photography, book writing and publishing, hiking, cooking, video editing, music production, drawing, building robots.

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:

Developed software life cycle (SDLC) processes covering planning, analysis, design, development, testing, deployment, and maintenance for various projects.
Mastered container application management using Docker, DDEV, and Kubernetes and streamlined deployment, maintenance, and scalability for enhanced project outcomes.
Elevated system performance and scalability by fixing technical issues in the customer portal, enhancing business operations and client satisfaction.
Engineered fully functional applications from inception to launch, encompassing conceptualization, design, coding, testing, and implementation phases.
Revamped visual aesthetics and user experience (UX) design for key progressive web applications (PWAs) across diverse businesses.
Utilized A/B testing to optimize layouts, color schemes, typography, and usability, which increased user engagement and higher conversion rates.
Delivered comprehensive training programs for Full-Stack developers, covering topics such as front-end and back-end development, database management, and software architecture.

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:

Optimized deployment and maintenance of containerized applications using Docker, DDEV, and Kubernetes for diverse library items and public services, including ebooks, CDs, magazines, audiobooks, meeting spaces, art galleries, research facilities, streaming media, and recycling services.
Implemented database optimizations to ensure efficient management of extensive library collections and public service offerings.
Contributed to the improvement and expansion of a State-owned, government-sponsored platform, catering to millions of daily users across Austin, its surrounding cities, and throughout the State of Texas, as well as attracting tourists and visitors from other regions.

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:

Utilized automation tools within Vercel's cloud platform and robust CD/CI pipelines for smooth application update rollouts with minimal disruption.
Served a monthly user base of 250,000 by collaborating with a distributed engineering team to develop a web app tailored for public services and civic engineering. .
Enhanced user engagement by 80% through synergistic use of web technologies including HTML5, CSS3, and preprocessors like SASS and LESS, in partnership with the design team.
Created modular UI components for numerous ventures ensuring consistency and efficiency, documented, tested, and managed versions for smooth integration.

Github repo

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:

Handled all API requests and testing for image search queries.
Implemented responsive web functionality for the web app.
Wrote extensive code documentation for app functionality and future project contributors.

Github repo

CleanReed

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

Work and accomplishments:

Handled all API and JSON requests and testing for current Subreddit posts
Implemented responsive web functionality for the web app.
Wrote extensive code documentation for app functionality and future project contributors

Github repo

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:

Oversaw the full development of an API distribution platform within RapidAPI’s network, encompassing multiple data endpoints spanning sporting events, historical data, and global government data.
Crafted RESTful APIs with NodeJS framework, forming an integral part of a high-volume network while maintaining manageable code complexity.
Crafted compelling product listings and fostered community engagement to establish the SaaS platform's presence on ProductHunt.
Optimized functionality on the Heroku platform by employing Node.js and Express.js to effectively integrate services.
Designed and tested customer-facing APIs with detailed documentation to facilitate smooth implementation.
Optimized functionality on the Heroku platform by employing Node.js and Express.js to effectively integrate services.

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 procurement, tracked stock levels, and optimized replenishment strategies to support store operations.
Delivered exceptional customer service, promptly addressing inquiries and effectively resolving issues to guarantee customer satisfaction and drive sales growth.