I am a passionate Full Stack Developer with extensive experience in designing and implementing IT solutions, primarily in Fire and EMS software, cybersecurity, e-commerce, banking, and business sectors. I combine strong problem-solving skills with teamwork to deliver high-quality software architecture and development. Throughout my career, I've honed expertise in a variety of programming languages, frameworks, and AI tools that help me build modern and efficient applications. I am deeply committed to continuous learning and applying new technologies like AI-assisted coding to enhance productivity and software quality. With a background as a software architect and developer, I strive to create innovative and scalable solutions that meet clients' needs and contribute to business success.

Janier Treto Portal

I am a passionate Full Stack Developer with extensive experience in designing and implementing IT solutions, primarily in Fire and EMS software, cybersecurity, e-commerce, banking, and business sectors. I combine strong problem-solving skills with teamwork to deliver high-quality software architecture and development. Throughout my career, I've honed expertise in a variety of programming languages, frameworks, and AI tools that help me build modern and efficient applications. I am deeply committed to continuous learning and applying new technologies like AI-assisted coding to enhance productivity and software quality. With a background as a software architect and developer, I strive to create innovative and scalable solutions that meet clients' needs and contribute to business success.

Available to hire

I am a passionate Full Stack Developer with extensive experience in designing and implementing IT solutions, primarily in Fire and EMS software, cybersecurity, e-commerce, banking, and business sectors. I combine strong problem-solving skills with teamwork to deliver high-quality software architecture and development. Throughout my career, I’ve honed expertise in a variety of programming languages, frameworks, and AI tools that help me build modern and efficient applications.

I am deeply committed to continuous learning and applying new technologies like AI-assisted coding to enhance productivity and software quality. With a background as a software architect and developer, I strive to create innovative and scalable solutions that meet clients’ needs and contribute to business success.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

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.

Education

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

Qualifications

AlienVault USM for Security Engineers
January 1, 2016 - August 25, 2025

Industry Experience

Software & Internet, Financial Services, Computers & Electronics

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

Hire a Full Stack Developer

We have the best full stack developer experts on Twine. Hire a full stack developer in Havana today.