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dev_efren

Efren Alvarez

@dev_efren

Cybersecurity Engineer

Mexique
Anglais, Espagnol
Certaines informations sont présentées en anglais.
À propos de moi
I am a Cybersecurity Engineer who graduated in 2025, with more than five years of experience in software development and cybersecurity. Throughout my career, I have worked on developing secure and reliable software solutions for a wide range of clients, from small businesses to international companies. My experience includes web and mobile application development, backend systems, automation, and the implementation of security practices throughout the software development process.... Plus d’infos

Compétences

d
dev_efren
Efren Alvarez
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Applications Web Full stack
I will develop custom web apps, apis, integrations and automations
De80 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Freelancer.com

Freelancer.com

Freelance • 3 yrs

CRM and PMS Development

Dec 2023 - Present • 2 yrs 10 mos

* Led the development of a complete Property Management System, including reservation management, customer quoting, authentication, and session management modules. * Implemented annual and monthly calendar views, profit dashboards, service racks, and housekeeping management. * Developed role and permission management, an integrated CRM, and WhatsApp messaging through the WhatsApp API. * Automated backups and integrated with OTAs such as Booking.com and Airbnb, including price calendar configuration, date blocking, and minimum-stay restrictions.

McCain Project

May 2026 - Jul 2026 • 2 mos

- Developed an end-to-end solution for an in-person campaign aimed at promoting McCain product consumption. - The solution included a custom CRM, WhatsApp chatbot integration, receipt upload functionality, S3 file storage, and a points-based rewards system. - Server configuration

ITITA

Software developer Intern

ITITA • Temps partiel

Jan 2025 - May 2025 • 4 mos

- Developed an airport surveillance platform for SEDENA featuring real-time, alert-based video streaming. - Implemented a KPI dashboard to monitor the availability metrics of airport assets.