Claudio Castillo

Backend Node.js Developer | Junior Full Stack

Backend Node.js developer and final-year Information Systems student (UNNE).

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Projects

Node.JS
Next.js
TypeScript
JWT
Express
MongoDB
Backend Developer

ClassRun (Backend Focus)

Description

Developed a robust RESTful API using Express and Mongoose to manage educational data, implementing secure authentication and data persistence.

Technical Challenge

"Engineered a secure authentication system using JWT and Bcrypt for password hashing. Additionally, I utilized Mongoose to architect complex data models and managed cross-origin resource sharing (CORS) for secure frontend integration."

NestJS
Prisma
MongoDB
TypeScript
Swagger
Backend Developer / Database Designer

CineAstas (Backend)

Description

Contributed to the development of a modular backend architecture using NestJS. I was responsible for designing core database entities and implementing specific server-side modules for the theater's internal logic.

Technical Challenge

"The challenge was translating complex business requirements into an efficient database schema. Using Prisma and MongoDB, I architected the initial data models to ensure scalability and participated in documenting the API using Swagger for seamless team collaboration."

React
Material UI
Vite
React Router
JavaScript
Code
Offline
Frontend Developer

Adopt Your Pet

Description

Developed a user-centric interface for a pet adoption system. I focused on building responsive views and interactive forms to facilitate the application process between users and shelters.

Technical Challenge

"The main challenge was implementing a seamless user experience for multi-step adoption forms. Using Material UI (MUI), I ensured design consistency and accessibility, while managing navigation and complex form states with React Router and React hooks."

Languages

Javascript
TypeScript
Python
HTML5
CSS3

Frameworks and Libreries

JWT
React.js
Express
Node.js
Django
Bootstrap
TailwindTailwind

Tecnologies and Tools

PostgreSQL
MongoDB
Supabase
Postman
Vercel
GitHub
Swagger

Education & Experiences

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2017

UNNE - Lic. en Sistemas de Información

2017 - 5th year currently

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2019

UNNE Idiomas - British English

2019 - 4th year currently

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2023

Talentos Digitales - Desarrollo Web

2023 - 2024

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2024

No Country Simulación Laboral

Team Leader in 2 different teams

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2024

No Country Simulación Laboral

Frontend - 2024

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2024

Udemy - Python: De Principiante a Avanzado

2024