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Yafrier Castro Campusano

@yafriercastro

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I build practical web applications, REST APIs, automation tools, and AI-powered solutions with Python and Django.

Dominican Republic

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What I'm looking for

I'm looking for an opportunity to grow as a web developer, contribute to useful and practical technology solutions, and strengthen my Python, Django, JavaScript, API, automation, and AI development skills.

I've built practical web applications and automation tools, including Focusly, a Django-based productivity system featuring task management, an interactive calendar, streak tracking, dashboards, and AI-powered assistance.

I also developed Nova, a Python voice assistant that integrates Gemini and Selenium to interact with Gmail and YouTube through voice commands. Additionally, I worked on EduNotas, a web-based school management system for managing students, teachers, subjects, grades, and academic processes.

At Olay Tecnology and Librería Máximo, I gained experience in customer service, administrative support, document preparation, and basic technical troubleshooting for computers and printers.

I've completed training in Python, web programming with Python and JavaScript, responsive web design, front-end development, cybersecurity, and AI-assisted development. I'm eager to grow professionally and contribute to building useful, practical technology solutions.

Experience

Work history, roles, and key accomplishments

Admin. and Customer Service Intern

Olay Tecnology

Dec 2025 - Mar 2026 (3 months)

Provided customer service and administrative support, prepared documents, and assisted users with basic technical issues, including computer optimization and troubleshooting.

Customer Service Administrative Support Technical Support Troubleshooting

Admin. and Customer Service Intern

Librería Máximo

Sep 2025 - Dec 2025 (3 months)

Provided customer service and administrative support, prepared and printed documents, and provided basic technical support for computers and printers.

Customer Service Administrative Support Technical Support Troubleshooting

Education

Degrees, certifications, and relevant coursework

Harvard University (Online)

Certificate, Web Programming with Python and JavaScript

2026 - 2026

Completed CS50W: Web Programming with Python and JavaScript, covering web application development with Python, JavaScript, and Django, including databases, API design, dynamic interfaces, and scalability.

Harvard University (Online)

Certificate, Introduction to Programming with Python

2026 - 2026

Completed CS50P: Introduction to Programming with Python, covering data structures, functions, and practical programming projects.

Meta (Coursera)

Introduction to Front-End Development, Front-End Development

2026 - 2026

Completed an online course on front-end web development, covering HTML, CSS, and Bootstrap through practical exercises and web interface development.

freeCodeCamp

Responsive Web Design, Web Development

2026 - 2026

Completed a course in responsive web design, covering HTML and CSS, including Flexbox, CSS Grid, accessibility, and fundamental web design principles.

BIG school

Introduction to AI-Assisted Development, AI-Assisted Development

2026 - 2026

Training in the application of AI tools to support software development and task automation.

Talento Digital

Cybersecurity - Intermediate Level, Cybersecurity

2026 - 2026

Training in cybersecurity fundamentals and best practices for protecting systems and data.

Instituto Politécnico Francisco José Peynado

Technical High School Diploma, Application Development and Administration

2020 - 2026

Grade: 96.46/100

Technical high school education focused on application development and administration. Graduated with a cumulative GPA of 96.46/100 and a final-year GPA of 98/100. Received Academic Excellence recognition throughout high school and Highest Academic Excellence in the final year.