Leo CuéllarTechnical Lead
Hi! I'm Leopoldo Cuéllar. Front End Engineer with 9+ years of experience in the area. I enjoy working and sharing my knowledge and experience with other developers. I have worked on dozens of projects using technologies such as JavaScript, React, React Native, Gatsby, HTML, CSS, SASS, JQuery, Git, among others.
Certifications
B2 Upper Intermediate
B2 Upper Intermediate, B1 Intermediate
10/07/2021
Tech stack
B2 Upper Intermediate
B1 Intermediate
React (12)
CSS (12)
JavaScript (12)
HTML (12)
React Native (9)
Sass (6)
WordPress (4)
Ruby (3)
Node.js (3)
iOS (3)
Android (3)
Git
Scrum
Google Analytics
Styled-components
Blockchain
Solidity
Gatsby
Next.js
Experience
Tech Lead and Mobile DeveloperBairesDev
10/2021 - Currently

I'm Tech Lead for a fleet management mobile application built in React Native, and also a Senior React developer for a Colorado-based cannabis e-commerce company.

Android
React Native
iOS
JavaScript
React
Node.js
HTML
CSS
Sass
Ruby
Senior Frontend DeveloperEcliptic Digital Solutions
10/2017 - 08/2020

Working with clients to understand their needs and develop the most suitable solutions. Testing websites and databases to identify potential issues. Collaborating with software engineers to analyze requirements and develop projects. Developing websites optimized for marketing campaigns. Developing the front end of a real estate listing platform (bienraiztotal.com). Working with Next.js, React, Axios, REST API, HTML, Sass, JavaScript, and Material UI. Coding components for the platform. Responsible for database configuration and integration (MongoDB). In charge of the integration with Algolia and search engine configuration. Working on SEO-oriented coding and URL generation. Developing the main business landing page (inmonetwork.com.mx) for a real estate company using WordPress, HubSpot, HTML, CSS, and JavaScript. Implementing membership-based e-commerce. In charge of CRM integrations.

JavaScript
React
WordPress
HTML
CSS
Sass
Senior Frontend DeveloperDielsamexico
09/2019 - 01/2020

Developed landing pages for marketing campaigns. Developed the institutional e-commerce website (dielsa.com) with a B2B system and SAP integration. Converted design assets into functional websites. Collaborated with the marketing team on the implementation of effective marketing campaigns. Manipulated WordPress themes and plugins to achieve the company's requirements.

JavaScript
React
WordPress
HTML
CSS
Front End Web DeveloperIndependent Professional
02/2010 - 02/2016

Responsible for the development and maintenance of several websites. In charge of the administration of DNS, CDN, uptime, and backups. Participated in various e-commerce projects for clients such as Tiho Jewelry Shop and Bolt Sportswear. Analyzed and developed methodologies to work on the projects. Collaborated on the organic growth of the clients’ social media accounts. Developed content for websites and blogs. Designed graphics for websites and mobile applications (Android & iOS).

React Native
JavaScript
React
HTML
CSS
Education
Software EngineerUniversidad Anáhuac México
01/2017 - 10/2020
MedicineUniversidad Anáhuac México
01/2012 - 06/2016