Jonathan C.

Front-end UX Engineer

Front-end Developer VTEX
8/1/2022 - Present

Developed expertise in HTML5, CSS3, and JavaScript, with extensive experience using frameworks such as React and Angular. Mastered responsive design techniques and built adaptive web interfaces. Utilized version control systems like Git for efficient code collaboration and maintenance. Implemented state management solutions with Redux and optimized application performance. Gained proficiency in testing libraries including Jest and Enzyme to ensure robust and reliable code. Integrated RESTful APIs and worked with various back-end teams for seamless data retrieval. Applied knowledge of CSS pre-processors like Sass and Less to streamline and enhance styling workflows. Leveraged build tools like Webpack and task runners such as Gulp and Grunt for efficient development and deployment processes. Enhanced user experiences through the application of user-centered design principles and conducted usability testing to gather valuable feedback. Developed automated CI/CD pipelines to ensure rapid and reliable deployments. Worked collaboratively with designers and product managers to deliver high-quality, user-friendly applications. Demonstrated an agile mindset by actively participating in Scrum meetings and contributing to the continuous improvement of development processes.

Front-end Developer
8/1/2021 - 11/1/2021

Contributed to the development of new features and the maintenance of an e-commerce platform. Developed proficiency in PHP and utilized frameworks such as Symfony and Laravel to enhance backend functionality. Played a key role in implementing responsive front-end components using JavaScript, React, and Angular. Demonstrated experience with RESTful API design and integration, ensuring seamless communication between various system components. Utilized MySQL for database management, performing complex queries and ensuring data integrity. Managed source code collaboratively through Git, adhering to best practices in version control. Employed automated build and deployment pipelines using Jenkins and Docker, optimizing the development workflow and reducing downtime. Ensured high-quality code through rigorous testing practices, including unit testing with PHPUnit and front-end testing with Jest. Conducted code reviews and provided mentorship to junior developers, fostering a collaborative and knowledge-sharing environment.

Web Developer
10/1/2019 - 12/1/2021

Responsible for the development and maintenance of VTEX and Salesforce Commerce Cloud (SFRA). Tasks included planning, mentoring, and executing new features as well as maintaining legacy systems. Developed proficiency in VTEX platform tools and Salesforce Commerce Cloud development framework. Enhanced skills in eCommerce platform integration, feature enhancement, and troubleshooting. Demonstrated ability in mentoring team members and planning project timelines effectively.

Web Developer
7/1/2019 - 10/1/2019

Implemented new applications and maintained legacy projects, focusing on full-stack development. Key accomplishments include working on a new e-commerce implementation team, which involved leveraging expertise in PHP, Doctrine, and Silex. Demonstrated proficiency in modern front-end frameworks such as Ext JS 4.2, NodeJS, and Vue.js. Extensive experience with databases including PostgreSQL and MongoDB. Utilized version control systems such as SVN and Git to ensure collaborative code maintenance and streamline teamwork.

Frontend developer | VTEX
10/1/2017 - 7/1/2018

Successfully led the development and implementation of a high-traffic e-commerce platform, achieving significant proficiency in HTML, CSS, and JavaScript. Employed Angular and React frameworks for dynamic user interface creation. Demonstrated expertise in back-end development using Node.js and Express.js, with data management facilitated via MySQL and MongoDB. Shown capability in API integration, leveraging RESTful and GraphQL APIs to enhance platform functionality. Developed and maintained automated test suites using Jest and Selenium, ensuring robust and error-free applications. Employed version control and collaborative workflows through Git and GitHub, contributing to increased productivity and code quality. Implemented CI/CD pipelines using Jenkins and Docker, ensuring efficient and seamless deployment processes. Continuously monitored and optimized application performance and security using New Relic and OWASP guidelines.

Frontend Web Developer
6/1/2017 - 10/1/2017

Executed large-scale e-commerce implementations, developing proficiency in programming languages such as JavaScript and Python. Played a key role in building and maintaining web applications using frameworks like React and Django. Developed extensive experience with databases including MySQL and MongoDB, ensuring data integrity and performance. Applied knowledge of RESTful APIs to integrate various third-party services, enhancing the functionality of e-commerce platforms. Utilized version control systems such as Git for collaborative code development and maintenance. Employed tools like Jenkins and Docker to streamline continuous integration and deployment processes. Implemented automated testing frameworks such as Jest and Selenium to ensure robust and error-free application performance. Developed strong problem-solving skills and contributed to cross-functional teams, aligning technical solutions with business requirements.

Frontend Web Developer
3/1/2017 - 6/1/2017

Managed teams and projects in a Front-End role, achieving success in creating CRM systems, institutional websites, landing pages, and e-commerce platforms with a specific focus on CRM. Developed proficiency in web development frameworks such as React, Angular, and Vue.js. Demonstrated expertise in HTML5, CSS3, and JavaScript, ensuring high-quality, responsive designs. Utilized modern tools like Webpack, Babel, and npm for efficient build processes and dependency management. Employed version control systems such as Git for collaborative code maintenance and continuous integration/continuous deployment (CI/CD) pipelines. Ensured accessible and user-friendly interfaces while optimizing performance and SEO best practices.

Frontend Web Developer
4/1/2015 - 2/1/2017

Gained expertise in developing new applications and maintaining legacy projects, particularly within e-commerce implementation teams. Developed proficiency in modern technologies such as PHP, Doctrine, and Silex while also showcasing capabilities in Ext JS 4.2, NodeJS, and Vue.js. Exhibited adeptness in managing databases using PostgreSQL and MongoDB, and ensured efficient, collaborative code maintenance through the use of SVN and Git.

Frontend Web Developer
2/1/2014 - 4/1/2015

Developed proficiency in creating and managing various web solutions, including blogs, institutional websites, landing pages, e-commerce stores, and custom WordPress themes. Utilized HTML, CSS, JavaScript, and PHP to deliver responsive and user-friendly designs. Applied knowledge of MySQL for database management to ensure data integrity and smooth performance of web applications. Employed advanced WordPress customization techniques to meet specific client needs and implemented various e-commerce plugins to enhance online store functionalities. Ensured project collaboration and version control through the use of Git.

Frontend Web Developer
10/1/2012 - 2/1/2014

Gained expertise in JavaScript, HTML, and CSS while developing dynamic and responsive web applications. Achieved competence with modern JavaScript frameworks such as React and Angular, significantly improving user experience and interface design. Engaged in extensive work with APIs, facilitating seamless integration of backend data. Utilized tools like Webpack and Babel to optimize and transpile code for better performance and browser compatibility. Contributed to code versioning and team collaboration using Git. Enhanced understanding of UI/UX principles and web accessibility standards during project development. Demonstrated ability in conducting code reviews and implementing best practices to maintain high code quality. Acquired experience with debugging tools and techniques, ensuring robust and error-free applications. Leveraged browser developer tools for performance monitoring and testing.

Information Technology at Anhanguera
2011 - 2013

VTEX Certified Professional Advanced Implementation Expert at VTEX
2/1/2020