Carlos is available for hire
Hire CarlosCarlos Guevara
Verified Expert in Engineering
Software Developer
Miami, FL, United States
Toptal member since August 19, 2024
Bio
Carlos, a seasoned developer based in South Florida, brings over nine years of web development experience and more than a decade in graphic design. An ambitious and self-driven professional, he is constantly eager to learn and innovate. Carlos is passionate about leveraging the power of the internet to create engaging and interactive experiences that resonate with people globally.
Portfolio
Apple
JavaScript, Node.js, Vue 3, Tailwind CSS, MongoDB, REST
The Monroe Institute
JavaScript, Node.js, Shopify, Vue, Express.js, Front-end, CSS, HTML5
Snow Whitening
JavaScript, Alpine.js, Git, Tailwind CSS, PostCSS, Shopify, Front-end, CSS...
Experience
- MacOS - 15 years
- JavaScript - 9 years
- Git - 8 years
- WordPress - 8 years
- Vue - 8 years
- Node.js - 7 years
- Shopify - 7 years
- Vuex - 5 years
Availability
Full-time
Preferred Environment
MacOS, JavaScript, Vue, Node.js, Vuex, MongoDB, Shopify, WordPress, Git, Webpack, Front-end, HTML5
The most amazing...
...thing I've built is an online course framework with classes unlocked on specific dates, maintaining a seamless and consistent interface on the Shopify platform.
Work Experience
UI Engineer
2023 - 2025
Apple
- Helped save other developers time by building custom tools to facilitate workflow and project testing.
- Built custom tools using MongoDB and Vue, as well as a custom Node.js REST API to communicate between applications.
- Came up with solutions to improve project infrastructure, scalability, and tech stack. This resulted in time saved on future implementations by creating a clean codebase.
Technologies: JavaScript, Node.js, Vue 3, Tailwind CSS, MongoDB, REST
Lead Developer
2019 - 2024
The Monroe Institute
- Developed and launched an online course system that saved the company from losing over $20,000 per month due to COVID-19. Implemented the solution within 1.5 months, preventing a revenue drop to zero and restoring the company's income.
- Completed the work ahead of schedule, saving the agency from a potential reputation issue with their client after being hired to rescue a project left in disarray by a previous hire.
- Built the client's web presence, provided consulting services, and helped establish an internal team to take over my responsibilities.
Technologies: JavaScript, Node.js, Shopify, Vue, Express.js, Front-end, CSS, HTML5
Front-end Developer
2021 - 2022
Snow Whitening
- Redesigned and optimized the existing theme to significantly enhance page speed, resulting in the new site loading more than twice as fast.
- Architected the theme to incorporate reusable, modular sections, streamlining the building and maintenance of pages site-wide while enabling easy customization and flexibility in content creation.
- Developed and managed a high-traffic Shopify Plus site, ensuring seamless performance, stability, and user experience across various updates and integrations.
Technologies: JavaScript, Alpine.js, Git, Tailwind CSS, PostCSS, Shopify, Front-end, CSS, HTML5
Front-end Developer
2021 - 2021
WLCr
- Developed and maintained Shopify Plus and WordPress sites for various clients, ensuring reliable performance and custom functionality.
- Created and implemented custom themes for multiple clients, leveraging advanced tools such as Git, webpack, and Gulp for streamlined development and efficient theme management.
- Integrated complex systems such as Recharge and Thinkific, enabling seamless recurring memberships for courses and subscription-based content, thereby enhancing user retention and experience.
Technologies: JavaScript, Shopify, WordPress, Shopify Plus, GitHub, Shopify API, Custom Shopify Apps, PHP, Node.js, Front-end, CSS, HTML5
UI Developer
2020 - 2021
Yellowbrick Data
- Developed a Vue application to enable users to manage their instances and databases efficiently, improving overall productivity and user control.
- Built the front end using Tailwind CSS and Vuex for streamlined state management, resulting in a responsive and scalable interface.
- Collaborated with the design team to implement industry-leading UX practices, ensuring a user-friendly and intuitive experience throughout the application.
Technologies: JavaScript, Vuex, Vue, Tailwind CSS, Node.js, Express.js, Front-end, CSS, HTML5
UX Developer
2019 - 2020
AccelerEd
- Resolved UI inconsistencies across a large Angular project, enhancing visual cohesion and improving user interactions.
- Collaborated with the UX team to conduct user testing and research, providing valuable insights that shaped the project's design and user experience.
- Assisted in developing a comprehensive design system and pattern library, ensuring consistent design and functionality across multiple platforms.
Technologies: Angular, JavaScript, Design Systems, Front-end, CSS, HTML5
Front-end Developer
2017 - 2019
Gauge Interactive
- Headed the development of large-scale projects on both Shopify Plus and Magento platforms, utilizing certifications in Magento front end and Shopify theme development to deliver high-quality solutions.
- Integrated Vue into the Shopify theme to enhance user experience through highly interactive elements such as product filters, swatches, and product pages, improving store engagement and functionality.
- Developed a custom interactive catalog web app using Couchbase and Vue, designed for 55-inch touchscreens and deployed in retail locations across the USA, delivering a modern and engaging customer experience.
- Built a web app using Vue that allows users to upload two CSV files containing lists of URLs. The app compares the lists and generates a new CSV file to match 301 redirects automatically.
- Developed a custom dashboard integrated with a task manager via API, designed to visualize employee workloads. Built using Vue and Firebase, the web app provides real-time insights and enhances productivity tracking.
Technologies: Git, Custom Shopify Apps, Design Systems, JavaScript, Shopify, Shopify Plus, WordPress, Magento, Vue, Vuex, Front-end, CSS, HTML5
Designer | Front-end Developer
2015 - 2018
Adgo Agency
- Designed and developed high-conversion websites, landing pages, and email templates, collaborating closely with search engine optimization (SEO) and paid search specialists to align design with business goals and optimize performance.
- Created logos, print materials, web designs, newsletters, and advertisements. Managed multiple projects simultaneously, delivering high-quality mockups and prototypes to help clients visualize and achieve their marketing objectives.
- Provided product photography, digital mockups, and video editing services for eCommerce, catalog, and online advertising needs. Collaborated directly with small business owners to enhance their online presence and brand visibility.
Technologies: JavaScript, WordPress, Vue, PHP, Photoshop CC, Tech Sales, Website Design, UX Design, Front-end, CSS, HTML5
Experience
Shopify Website for NatureMade
https://www.naturemade.com/Developed a Shopify Plus site featuring a custom-built theme integrated with Vue to deliver highly interactive views. I utilized PostCSS, Tailwind CSS, and a custom-built webpack workflow to compile assets efficiently.
The theme has reusable sections for seamless page creation across the site. I integrated Git for theme management and leveraged Shopify’s Online Store 2 features for better scalability. I also acted as a Shopify partner and theme developer, ensuring best practices were followed throughout development.
The theme has reusable sections for seamless page creation across the site. I integrated Git for theme management and leveraged Shopify’s Online Store 2 features for better scalability. I also acted as a Shopify partner and theme developer, ensuring best practices were followed throughout development.
Skills
Libraries/APIs
Vue, Node.js, Vuex, Shopify API, Vue 3
Tools
Git, Webpack, PostCSS, Shopify Plus, GitHub, Photoshop CC
Languages
JavaScript, CSS, HTML5, PHP
Platforms
Shopify, MacOS, WordPress, Magento
Frameworks
Express.js, Alpine.js, Tailwind CSS, Angular
Paradigms
UX Design, REST
Storage
MongoDB
Other
Front-end, Custom Shopify Apps, Design Systems, Tech Sales, Website Design
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