Juan Jesus Bueno Reyes Email & Phone Number

• I worked in a Small agile team on charge of updating and maintaining a selling timeshare getaway website, created with Java, Springboot and Oracle DB.
• Refactoring code to get a good quality system, easier to read and maintain:
• Changed the payment flow to a state design pattern while I added a change to easily modify the workflow.
• Extended Login functionality using polymorphism to implement AJAX login but keep legacy login due to client integrations.
• Improving the search workflow implementing builder pattern to be able to show up information to the user with small differences
• Refactoring DataBase Queries using “explain plan” to get a faster response on search workflow using Hibernate and sometimes custom JPA queries.

Querétaro, Querétaro, Mexico

• Full Stack Web Developer responsible for develop, upgrade and maintain java-based software.
• Changed old java systems to use a correct OOP paradigm using also Streams, Lambdas functions, MVC design pattern and different types of Collections (List, Map and Set), reducing the time of the next features by up to.
• Reduced the amount of time required for the State Vehicle Registry debt calculation from 5 hours to 1 hour implementing Java Threads.
• Implemented use of Maven in some projects to manage the libraries in an efficient way.
• Separated the Front End and the Back End implementing AJAX calls with JSON to ease the platform navigation to End Users.
• Installed GitLab to control team's code changes (versioning)