Juan Fernando Lopez Hernanez Email & Phone Number

Guatemala

Guatemala, Guatemala

Responsible for the development, enhancement, testing, support, maintenance and troubleshooting/debugging of software applications that support business units or support functions. These application program solutions may involve diverse development platforms, software, technologies and tools.+ Responsible for ensuring the best possible performance, quality, and responsiveness of the applications. + Responsible for the detailed design, documentation, development, unit testing and… Show more Responsible for the development, enhancement, testing, support, maintenance and troubleshooting/debugging of software applications that support business units or support functions. These application program solutions may involve diverse development platforms, software, technologies and tools.+ Responsible for ensuring the best possible performance, quality, and responsiveness of the applications. + Responsible for the detailed design, documentation, development, unit testing and maintenance of applications. + Responsible for writing code for enhancing existing programs or developing new programs.+ Responsible for performing unit testing and debugging and setting test conditions based on code specifications.+ Responsible for development and production support of custom requirements developed in Java.I use my knowledge of end-to-end software development life cycle (SDLC) to develop and deploy world-class applications that provide the best customer experience.I evaluate software change requests, determine business needs or conduct root cause analysis, and implement technically efficient solutions. Show less

Guatemala, Guatemala

Using the MVC software architecture and the OOP paradigm. I have been in charge of backend development using Java, database management using PostgreSQL, Vaddin Framework for the Frontend helped with HTML, CSS and JS technologies, JasperReports for creating reports, all this in different systems. + I developed and integrated an audit module for a credit system, making communication between web and mobile through web services and API Rest. This facilitated data storage and accelerated the… Show more Using the MVC software architecture and the OOP paradigm. I have been in charge of backend development using Java, database management using PostgreSQL, Vaddin Framework for the Frontend helped with HTML, CSS and JS technologies, JasperReports for creating reports, all this in different systems. + I developed and integrated an audit module for a credit system, making communication between web and mobile through web services and API Rest. This facilitated data storage and accelerated the completion time of the audit process by 70%.+ I integrated a password encryption module for a credit system, an inventory system, and a pharmaceutical system. This increased the security of the systems when using a system and the reliability and integrity of the system when using a password encryption method.+ I developed functionality to scan QR codes, which facilitates the reading of data from different clients. This reduces the data query time in the main credit system by 40%. With the use of the following technologies; Flutter, Dart, SQLite for a mobile app. Show less

In charge of the repair, preventive and corrective maintenance of radios type PTT, as well as the installation of vehicle bases.

In charge of Installation, preventive maintenance, andcorrective maintenance of Network systems. suchas RRU, ATN, cabinets, cards, batteries, DC Cable,and Fiber Optic.