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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.…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

Full Stack Developer, Developer, Programmer, +5

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

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