I am a Full Stack Developer with 10+ years building secure web applications in banking, e-commerce, and EMS/ Fire RMS environments. I enjoy designing scalable, secure, cross-functional solutions and delivering tangible value to users and teams. My core stack includes Laravel, React, Vue, Python, Node.js, MySQL, and PostgreSQL. I focus on delivering performant back-ends and polished front-ends, collaborating cross-functionally to ship end-to-end products.

Janier Treto Portal

I am a Full Stack Developer with 10+ years building secure web applications in banking, e-commerce, and EMS/ Fire RMS environments. I enjoy designing scalable, secure, cross-functional solutions and delivering tangible value to users and teams. My core stack includes Laravel, React, Vue, Python, Node.js, MySQL, and PostgreSQL. I focus on delivering performant back-ends and polished front-ends, collaborating cross-functionally to ship end-to-end products.

Available to hire

I am a Full Stack Developer with 10+ years building secure web applications in banking, e-commerce, and EMS/ Fire RMS environments. I enjoy designing scalable, secure, cross-functional solutions and delivering tangible value to users and teams.

My core stack includes Laravel, React, Vue, Python, Node.js, MySQL, and PostgreSQL. I focus on delivering performant back-ends and polished front-ends, collaborating cross-functionally to ship end-to-end products.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Spanish; Castilian
Fluent
English
Intermediate

Work Experience

Full Stack Developer at First due
January 1, 2025 - August 25, 2025
Worked on analysis, design, and implementation of IT solutions focused on Fire and EMS software and Fire and EMS RMS software. Delivered full stack development tasks contributing to software reliability and efficiency in emergency services management.
Full Stack Developer, Software Architect at XETID
January 1, 2022 - August 25, 2025
Led analysis, design, and implementation of IT solutions across cybersecurity, e-commerce, banking, and business sectors. Played a key role in software architecture and development, ensuring scalable and secure solutions.
Full Stack Developer at First Due (Fire and EMS Software | Fire EMS RMS Software)
June 1, 2022 - March 1, 2026
Developed and maintained features for a fire and EMS records management system using PHP, Yii, JavaScript, and Vue.js; optimized PostgreSQL queries to support application performance; collaborated with cross-functional teams to deliver end-to-end solutions; implemented responsive UIs for better user experience

Education

Computer Science Engineer at Informatic Science University (UCI, Cuba)
January 1, 2008 - January 1, 2013
Computer Science Engineer at Universidad de Ciencias Informáticas (UCI), Cuba
January 1, 2008 - January 1, 2013

Qualifications

AlienVault USM for Security Engineers
January 1, 2016 - August 25, 2025
Alien Vault USM for Security Engineers
January 1, 2016 - April 13, 2026

Industry Experience

Software & Internet, Financial Services, Computers & Electronics, Professional Services, Other