I'm a software engineer focused on high-performance applications, agile delivery, and intuitive user experiences. I enjoy contributing to open source and building robust front-end and back-end solutions. I thrive in collaborative environments, ship clean, scalable code, and love turning complex requirements into user-friendly products. I'm always learning new technologies and enjoy mentoring others in web development.…

Nestor Walter Barrera

I'm a software engineer focused on high-performance applications, agile delivery, and intuitive user experiences. I enjoy contributing to open source and building robust front-end and back-end solutions. I thrive in collaborative environments, ship clean, scalable code, and love turning complex requirements into user-friendly products. I'm always learning new technologies and enjoy mentoring others in web development.…

Available to hire

I’m a software engineer focused on high-performance applications, agile delivery, and intuitive user experiences. I enjoy contributing to open source and building robust front-end and back-end solutions.

I thrive in collaborative environments, ship clean, scalable code, and love turning complex requirements into user-friendly products. I’m always learning new technologies and enjoy mentoring others in web development.

See more

Skills

Experience Level

JavaScript
Expert
GitHub
Expert
CSS
Expert
Vue.js
Expert
HTML5
Expert
TypeScript
Expert
Tailwind
Expert
Node.js
Expert
Docker
Intermediate
Web Design
Intermediate
Amazon Web Services
Intermediate
UI
Intermediate
GitHub CoPilot
Intermediate
Express
Intermediate
PostgreSQL
Intermediate
MySQL
Intermediate
MongoDB
Intermediate
Kubernetes
Intermediate
See more

Language

English
Advanced
Spanish; Castilian
Fluent

Work Experience

Administrative IT Assistant at Mendoza, Argentina
January 1, 2011 - January 1, 2012
Identified and managed different types of physical components of a computer. Used word processing tools, spreadsheets and presentations for administrative tasks. Used operating system commands.
Front End Developer at Upgrade Hub
January 1, 2024 - Present
Front-end development focusing on building interactive web applications using React, Vue.js, TypeScript, Next.js and Tailwind; contributing to project architecture and UI improvements.
Full-Stack Instructor at Upgrade Hub
January 1, 2024 - Present
Delivered full-stack development instruction, created curricula and hands-on labs, and mentored students in JavaScript, React, Node.js and related technologies.
Administrative IT Assistant at Mendoza Argentina
January 1, 2011 - December 31, 2012
Identified and managed different types of physical components of computers; used word processing tools, spreadsheets and presentations for administrative tasks; executed operating system commands.

Education

Bachelor's Degree in Social Sciences and Humanities at CENS Juan Mantovan
January 1, 2004 - December 31, 2007

Qualifications

Bachelor's Degree with Orientation in Social Sciences and Humanities
January 1, 2004 - January 1, 2007

Industry Experience

Software & Internet, Education, Professional Services, Media & Entertainment
    paper FIND
    1. Flujo de Suscripción (Edge Function)
      Archivo: [newsletter-subscribe]
      supabase/functions/newsletter-subscribe/index.ts)
    • Trigger: Formulario en el Footer.tsx.
    • Proceso:
      1. Recibe el email del usuario.
      2. Realiza un upsert en la tabla newsletter_subscribers con estado pending.
      3. Genera un enlace de confirmación apuntando a /subscribe-success.
      4. Envía un email transaccional usando Resend con el botón de confirmación.
    • Seguridad: Configurada con verify_jwt = false en config.toml para permitir suscripciones tanto de visitantes anónimos como de usuarios autenticados.
      Website: https://www.twine.net/signin