João H.

Full-stack Product Engineer

PHP Programmer
1/1/2022 - Present

Enhanced and maintained a legacy system by fixing bugs and developing improvements. Advanced technical skills in diagnosing and resolving issues within outdated codebases. Utilized issue tracking tools for efficient bug reporting and resolution. Employed refactoring techniques to modernize and optimize existing code, ensuring greater system performance and reliability. Developed strong problem-solving abilities and attention to detail through continuous improvement efforts and legacy system management.

Mid-Level Web Developer
9/1/2021 - 1/1/2022

Acquired comprehensive expertise in full stack development, demonstrating proficiency in both front-end and back-end technologies. Utilized HTML, CSS, and JavaScript frameworks like React and Angular to build dynamic and user-friendly interfaces. Developed strong competency in server-side technologies such as Node.js, Express, and Ruby on Rails. Leveraged databases including MySQL, PostgreSQL, and MongoDB to design and manage efficient data storage solutions. Implemented API integrations using RESTful services and GraphQL to enhance application functionality. Ensured code quality and collaboration using version control systems like Git and GitHub. Deployed applications on cloud platforms such as AWS and Heroku, utilizing Docker for containerization. Enhanced application performance and scalability through the use of tools like Webpack, Babel, and Nginx. Maintained robust testing practices using frameworks such as Jest, Mocha, and Chai, ensuring the delivery of reliable and maintainable software. Developed excellent problem-solving skills and the ability to work within agile development methodologies, contributing to the successful completion of several high-impact projects.

Mid-Level Web Developer
11/1/2020 - 9/1/2021

Developed comprehensive expertise in full stack development, mastering PHP, Doctrine, and Silex for backend services, while leveraging Ext JS 4.2, NodeJS, and Vue.js on the frontend. Demonstrated advanced capabilities in database management with PostgreSQL and MongoDB, ensuring efficient and reliable data storage solutions. Facilitated seamless code versioning and collaborative development through tools such as SVN and Git, maintaining high standards of code quality and version control across multiple projects.

Junior Web Developer
2/1/2020 - 11/1/2020

Developed proficiency in both front-end and back-end technologies, demonstrating extensive expertise in PHP, JavaScript, and frameworks such as Laravel and React.js. Worked with HTML5, CSS3, and Sass to create responsive and accessible web interfaces, while leveraging Vue.js to enhance user interactivity. Gained significant experience with RESTful APIs, Node.js, and Express.js, ensuring efficient server-side programming. Frequently utilized PostgreSQL and MongoDB for database management, optimizing queries and ensuring data integrity. Applied extensive knowledge of version control systems, including Git and SVN, to maintain code quality and support collaborative development environments. Implemented continuous integration and deployment practices using Jenkins and Docker, leading to a streamlined development process. Developed and maintained comprehensive unit tests using Jest and PHPUnit, ensuring high software reliability and performance.

Junior Web Developer
7/1/2017 - 7/1/2018

Developed a full-fledged web application and a web service, utilizing expertise in front-end and back-end technologies. Demonstrated proficiency in JavaScript frameworks such as React, Angular, and Vue.js for front-end development. Applied strong skills in server-side programming using Node.js and Express.js. Managed databases utilizing both SQL (MySQL) and NoSQL (MongoDB) systems, ensuring efficient data storage and retrieval. Leveraged RESTful API principles for web service development, promoting seamless communication between client and server. Employed version control and collaborative coding practices with Git, ensuring smooth project coordination and code integrity.

Technical in Information Systems with an Emphasis on Web at Instituto Metrópole Digital (Digital Metropolis Institute)
2016 - 2018