Leonardo Emmanuel Abreu Peña Email & Phone Number

• Added new type-safe components and features to the codebase using ReactJS with Typescript.• Improved the user experience by applying optimization techniques as memoization and code splitting.• Created custom hooks to abstract shared logic to be used in different parts of the code.• Used React built-in hooks to reduce the necessary amount of code to implement a component and improve its performance.• Used react-testing-library to add tests that resemble how the components are interacted by the users.Maintained a component library that kept the components and their props documented.• Used CSS preprocessor to style the components and pages.

Rochester, New York, United States

• Provided assistance to Ph.D. students in software architecture related studies.

Rochester, New York, United States

• Developed features and supported a web application using JavaScript, PHP, and MySQL.• Used JQuery to traverse in the DOM, handle user events and asynchronous requests.• Created migration files to keep the history of modifications to the database.• Used Object-relational mapping to create entities that were used in the code without the need for raw queries to the database.

La Vega, Dominican Republic

• Developed the initial structure of a web application using ReactJs, Redux, and typescript.• Develop the initial structure of an API using NodeJS, TypeORM, and Typescript.• Developed the login functionality on the API by generating and validating JWT(JSON Web Tokens)• Configured a linter, code formatter, and pre-committer to the project.• Added a middleware to authorize user's requests by validating the JWT in the request.• Added an error handler middleware to return the proper payload, error code, and error messages when a certain operation could not be completed.

República Dominicana

• Developed features and supported a component-based CMS using JavaScript, ElasticSearch, Handlebars, and Docker.• Developed and maintained a web application using ReactJS with Redux.• Building and testing HTML components used on newsletter emails that were accessed from different devices, browsers, and operating systems.• Developed scripts to migrate and update components in the production environment.• Created web pages based on PSDs and Zeplin designs using HTML, CSS, and JavaScript.• Developed features and supported a CMS using PHP and MySQL.• Developed scripts to update data in MySQL databases.

Master Of Science - Ms, Computer Software Engineering

Grado En Ingeniería, Sistemas De Computación