David Callizaya
Desarrollador Full Stack at Grupo Empresarial Salqui
La Paz, La Paz, Bolivia
Summary
👤
Senior🎓
Top SchoolDavid Callizaya is a Full Stack Developer with 11 years of experience, currently building backend systems and MySQL databases at Grupo Empresarial Salqui. An Electronic Engineer and PHP Zend Certified developer based in La Paz, he has a track record of delivering practical management systems for events and enterprises and has taught technical courses locally. He contributes to open-source—adding invoice reminder automation and multi-language support to the popular Bagisto Laravel e-commerce platform—showing strength in backend integrations and cron-driven automation. Comfortable across PHP, Visual Basic/C#, and database design, he combines hands-on implementation with system administration experience. Colleagues describe him as a pragmatic problem-solver who translates operational needs into reliable, maintainable code.
11 years of coding experience
Bachelor of Technology - BTech, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES, Bachelor of Technology - BTech, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES at Instituto tecnologico Marcelo quiroga Santa CruzIngenieria, Systems Engineering, Ingenieria, Systems Engineering at Universidad unión BolivarianaAnalista de Sistemas, Information Technology, Estudiante destacado becado a cursos de la agetic., Analista de Sistemas, Information Technology, Estudiante destacado becado a cursos de la agetic. at Instituto Tecnológico Marcelo Quiroga Santa CruzTécnico, Informática, Egresado de la Carrera, Técnico, Informática, Egresado de la Carrera at Instituto tecnologico Marcelo Quiroga Santa Cruz
Github Skills (11)
database-migrations10
cron10
php10
database-migration10
laravel10
ecommerce10
laravel-mix10
mysql9
eloquent9
eloquent-orm9
open-source9
Programming languages (7)
Github contributions (5)
bagisto/bagisto
Oct 2021 - Oct 2021
Free and open source laravel eCommerce platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 comments in 1 day
Contributions summary:David implemented a system for sending invoice reminders within the Bagisto e-commerce platform. Their contributions include adding configuration options for reminder limits and intervals, creating a cron command to trigger reminders, and integrating email templates for these notifications. The user also added database columns to store reminder-related information and refactored the invoice model to include new functionality. Finally, the user also added translation labels for multiple languages.
ecommercewarehouse-managementvueshopmultivendor-ecommerce
caleeli/jdd-activities
Mar 2019 - May 2019
Contributions:21 commits, 19 pushes, 1 branch in 1 month
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