Luis Calderón
Backend Java Developer at Nisum
Managua, Nicaragua
Summary
👤
Senior🎓
Top SchoolLuis Calderón is a Backend Java Developer and mobile engineer with a decade of experience building enterprise-grade backend systems and Android applications across banking, ERP, and startup environments. He has delivered JavaEE and Spring Boot APIs, MobileFirst adapters, and hybrid mobile banking apps at BAC Credomatic, and currently contributes backend expertise at Nisum while maintaining active roles in Android development and cross-platform Flutter work. A long-time community builder as sub-leader of JUG Nicaragua, he pairs hands-on implementation with teaching experience—having instructed multiple Flutter courses—helping raise local JVM and mobile development standards. Comfortable with middleware like WebSphere and MQ as well as databases like Db2, he also brings practical security experience implementing token-based authentication and Spring Security. Notably, he blends formal IT and Cisco networking training with a pragmatic history of shipping mobile and backend solutions in both legacy and modern stacks.
10 years of coding experience
10 years of employment as a software developer
Ingenieria en Sistemas, Information Technology, Ingenieria en Sistemas, Information Technology at Universidad Nacional de IngenieríaTecnico, Redes CISCO, Tecnico, Redes CISCO at Universidad Centroamericana, Managua
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
swing8
desktop-application8
java7
android-application6
accounting-software6
kotlin-android5
kotlin-library5
accounting5
kotlin5
android4
digital-humanities3
javascript2
python2
php2
css1
Programming languages (3)
Github contributions (5)
jugnicaragua/coyoteapp-android-jetpack-kotlin
Sep 2019 - Feb 2020
Este repositorio estará dedicado a contener el Proyecto CoyoteApp hecha en Android para la parte que se realizará con Jetpack y con el lenguaje de Programación Kotlin y demás características que se vayan desarrollando.
Contributions:2 PRs, 5 pushes, 3 branches in 5 months
jetpack-composerepositorioconproyectoandroid
luchonetvv/ui-android
Jan 2016 - Jan 2016
Contributions:10 pushes, 1 branch in 4 days
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