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Cesar LopezCL
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Cesar Lopez

@cesarlopez

Full Stack Developer at Seguros Universales, S.A., leading development of an ambulance management platform with Spring Boot, Angular, and PostgreSQL.

Guatemala
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At Seguros Universales, S.A., I lead development of a system for managing ambulances, from its PostgreSQL data model to its Spring Boot backend and Angular frontend. I also developed its inventory module and maintain electronic invoicing with INFILE, including SAT rules for credit and debit notes.

I’ve worked on production systems involving authentication, insurance, and reporting, including implementing two-factor authentication with AWS Cognito and fixing a memory leak in the BIRT reporting engine. In earlier roles, I developed applications with ASP.NET Core and React or Angular, and worked with SQL Server ETL processes and reports.

Experience

Work history, roles, and key accomplishments

SS
Current

Analista Programador

Seguros Universales, S.A.

Aug 2025 - Present (1 year 3 months)

Lidero el desarrollo del Sistema de Gestión de Ambulancias, incluyendo arquitectura, backend en Spring Boot y frontend en Angular. Participo en migraciones de Spring Boot 3 a 4, desarrollo de módulos de inventario, facturación electrónica FEL, autenticación con AWS Cognito, y mantenimiento de sistemas de seguros.

DM
Current

Desarrollador Freelance

Desarrollos a tu medida

Desarrollo landing pages y sistemas administrativos a la medida para negocios locales, atendiendo el proyecto desde los requerimientos hasta la entrega.

KK

Analista Programador Junior

Kingdom Code (KNDCODE)

May 2024 - Apr 2025 (11 months)

Desarrollé y mantuve procedimientos almacenados, funciones y triggers en SQL Server para procesos ETL y reportes. Resolví errores e implementé mejoras en aplicaciones de escritorio C# y VB.NET, y participé en nuevos módulos WinForms y WPF.

CS

Programador Junior

Canella S.A.

Jun 2023 - May 2024 (11 months)

Desarrollé aplicaciones con ASP.NET Core y JavaScript (React y Angular), integradas con APIs REST y SQL Server. Optimicé procedimientos almacenados y gestioné despliegues en IIS.

FK

Profesor de Informática

Fundación KINAL

Aug 2022 - Jun 2023 (10 months)

Enseñé React, Node.js, Spring Boot y bases de datos a estudiantes de sexto diversificado, con proyectos prácticos orientados al entorno laboral.

IP

Programador Junior

IT PROFIS

Oct 2021 - Jul 2022 (9 months)

Desarrollé aplicaciones móviles y di soporte a aplicaciones en producción durante análisis, desarrollo, pruebas y despliegue.

Education

Degrees, certifications, and relevant coursework

Universidad Mariano Gálvez de Guatemala logoUG

Universidad Mariano Gálvez de Guatemala

Ingeniería en Sistemas, Information Systems Engineering and Computer Science

2022 -

Pursuing a degree in Information Systems Engineering and Computer Science, ongoing since January 2022.

Udemy logoUD

Udemy

Course, Spring Boot and Spring Framework

2022 - 2022

Completed a course on Spring Boot and Spring Framework in 2022.

Cisco Networking Academy logoCA

Cisco Networking Academy

CCNAv7: Introduction to Networks, Networking

2022 - 2022

Completed the CCNAv7: Introduction to Networks course in 2022.

CK

Centro Educativo Técnico Laboral KINAL

Perito en Computación, Computing

2019 - 2021

Completed a technical high school program in computing, graduating in October 2021.

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