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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-sRIl4kxILFvY47J16cr9ZwB07vP4J8+LH7qKQnuqkuIAvNWLzeN8tE5YBujZqJLB" crossorigin="anonymous">
<link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined" rel="stylesheet"/>
<link rel="icon" href="img/dj.png" type="image/png">
<link rel="stylesheet" href="style/style.css">
<link rel="stylesheet" href="style/sass.css">
<link rel="stylesheet" href="style/colors&background_colors.css">
<title>Official portfolio</title>
</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
<symbol id="check2" viewBox="0 0 16 16">
<path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"></path>
</symbol>
<symbol id="circle-half" viewBox="0 0 16 16">
<path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"></path>
</symbol>
<symbol id="moon-stars-fill" viewBox="0 0 16 16">
<path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"></path>
<path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"></path>
</symbol>
<symbol id="sun-fill" viewBox="0 0 16 16">
<path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"></path>
</symbol>
</svg>
<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
<symbol id="bootstrap" viewBox="0 0 118 94">
<title>Bootstrap</title>
<path fill-rule="evenodd" clip-rule="evenodd" d="M24.509 0c-6.733 0-11.715 5.893-11.492 12.284.214 6.14-.064 14.092-2.066 20.577C8.943 39.365 5.547 43.485 0 44.014v5.972c5.547.529 8.943 4.649 10.951 11.153 2.002 6.485 2.28 14.437 2.066 20.577C12.794 88.106 17.776 94 24.51 94H93.5c6.733 0 11.714-5.893 11.491-12.284-.214-6.14.064-14.092 2.066-20.577 2.009-6.504 5.396-10.624 10.943-11.153v-5.972c-5.547-.529-8.934-4.649-10.943-11.153-2.002-6.484-2.28-14.437-2.066-20.577C105.214 5.894 100.233 0 93.5 0H24.508zM80 57.863C80 66.663 73.436 72 62.543 72H44a2 2 0 01-2-2V24a2 2 0 012-2h18.437c9.083 0 15.044 4.92 15.044 12.474 0 5.302-4.01 10.049-9.119 10.88v.277C75.317 46.394 80 51.21 80 57.863zM60.521 28.34H49.948v14.934h8.905c6.884 0 10.68-2.772 10.68-7.727 0-4.643-3.264-7.207-9.012-7.207zM49.948 49.2v16.458H60.91c7.167 0 10.964-2.876 10.964-8.281 0-5.406-3.903-8.178-11.425-8.178H49.948z"></path>
</symbol>
<symbol id="facebook" viewBox="0 0 16 16">
<path d="M16 8.049c0-4.446-3.582-8.05-8-8.05C3.58 0-.002 3.603-.002 8.05c0 4.017 2.926 7.347 6.75 7.951v-5.625h-2.03V8.05H6.75V6.275c0-2.017 1.195-3.131 3.022-3.131.876 0 1.791.157 1.791.157v1.98h-1.009c-.993 0-1.303.621-1.303 1.258v1.51h2.218l-.354 2.326H9.25V16c3.824-.604 6.75-3.934 6.75-7.951z"></path>
</symbol>
<symbol id="instagram" viewBox="0 0 16 16">
<path d="M8 0C5.829 0 5.556.01 4.703.048 3.85.088 3.269.222 2.76.42a3.917 3.917 0 0 0-1.417.923A3.927 3.927 0 0 0 .42 2.76C.222 3.268.087 3.85.048 4.7.01 5.555 0 5.827 0 8.001c0 2.172.01 2.444.048 3.297.04.852.174 1.433.372 1.942.205.526.478.972.923 1.417.444.445.89.719 1.416.923.51.198 1.09.333 1.942.372C5.555 15.99 5.827 16 8 16s2.444-.01 3.298-.048c.851-.04 1.434-.174 1.943-.372a3.916 3.916 0 0 0 1.416-.923c.445-.445.718-.891.923-1.417.197-.509.332-1.09.372-1.942C15.99 10.445 16 10.173 16 8s-.01-2.445-.048-3.299c-.04-.851-.175-1.433-.372-1.941a3.926 3.926 0 0 0-.923-1.417A3.911 3.911 0 0 0 13.24.42c-.51-.198-1.092-.333-1.943-.372C10.443.01 10.172 0 7.998 0h.003zm-.717 1.442h.718c2.136 0 2.389.007 3.232.046.78.035 1.204.166 1.486.275.373.145.64.319.92.599.28.28.453.546.598.92.11.281.24.705.275 1.485.039.843.047 1.096.047 3.231s-.008 2.389-.047 3.232c-.035.78-.166 1.203-.275 1.485a2.47 2.47 0 0 1-.599.919c-.28.28-.546.453-.92.598-.28.11-.704.24-1.485.276-.843.038-1.096.047-3.232.047s-2.39-.009-3.233-.047c-.78-.036-1.203-.166-1.485-.276a2.478 2.478 0 0 1-.92-.598 2.48 2.48 0 0 1-.6-.92c-.109-.281-.24-.705-.275-1.485-.038-.843-.046-1.096-.046-3.233 0-2.136.008-2.388.046-3.231.036-.78.166-1.204.276-1.486.145-.373.319-.64.599-.92.28-.28.546-.453.92-.598.282-.11.705-.24 1.485-.276.738-.034 1.024-.044 2.515-.045v.002zm4.988 1.328a.96.96 0 1 0 0 1.92.96.96 0 0 0 0-1.92zm-4.27 1.122a4.109 4.109 0 1 0 0 8.217 4.109 4.109 0 0 0 0-8.217zm0 1.441a2.667 2.667 0 1 1 0 5.334 2.667 2.667 0 0 1 0-5.334z"></path>
</symbol>
</svg>
<!-- navigator -->
<nav class="navbar bg-secondary fixed-top navbar-expand-xl">
<div class="container-fluid">
<a class="navbar-brand" href="./index.html">
<img src="img/navbar_ecommerce_icon.png" alt="Logo" width="30" height="24" class="d-inline-block align-text-top">
Juan Carlos
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="offcanvas" data-bs-target="#offcanvasNavbar" aria-controls="offcanvasNavbar" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="offcanvas offcanvas-end" tabindex="-1" id="offcanvasNavbar" aria-labelledby="offcanvasNavbarLabel">
<div class="offcanvas-header">
<h5 class="offcanvas-title" id="offcanvasNavbarLabel">Offcanvas</h5>
<button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>
</div>
<div class="offcanvas-body">
<ul class="navbar-nav justify-content-end flex-grow-1 gap-1">
<li class="nav-item">
<a class="nav-link" aria-current="page" href="https://online-ecommerce-ten.vercel.app/" target="_blank">Bootstrap & Django project</a>
</li>
<li class="nav-item">
<a class="nav-link" aria-current="page" href="https://www.youtube.com/watch?v=LYhuUxPeQl4" target="_blank">Django & Bootstrap project - video</a>
</li>
<li class="nav-item">
<a class="nav-link" aria-current="page" href="https://edteam-replica.vercel.app/" target="_blank">EDteam clone</a>
</li>
<li class="nav-item">
<a class="nav-link" aria-current="page" href="https://www.youtube.com/watch?v=dwlroKgd7Dw" target="_blank">API restcountries</a>
</li>
<li class="nav-item">
<a class="nav-link" aria-current="page" href="https://www.linkedin.com/in/juan-carlos-s%C3%A1nchez-mart%C3%ADnez-ba4026253/" target="_blank">Linkedin</a>
</li>
</ul>
</div>
</div>
</div>
</nav>
<!-- presentation card -->
<h1 class="mt-140px text-success">Backend Developer focused on building real-world APIs and scalable backend solutions.</h1>
<div class="container mt-135px">
<div class="card mx-auto" style="max-width: 1100px;">
<div class="row g-0 align-items-center">
<div class="col-md-4">
<img src="img/profile.jpg" class="img-fluid rounded-start mx-auto mx-md-0 d-block" alt="Juan Carlos">
</div>
<div class="col-md-8">
<div class="card-body">
<h5 class="card-title">About me</h5>
<p class="card-text">I am a web developer with professional experience working with Django Rest Framework, where I have spent about a year building and maintaining robust APIs.
In addition, I have strengthened my skills through continuous hands-on practice with technologies such as React, JavaScript, Bootstrap, and Django for template-based interfaces. I focus on creating efficient, scalable solutions with a strong emphasis on user experience.</p>
</div>
</div>
</div>
</div>
</div>
<div class="container-fluid">
<h2 class="my-5">Flip card section</h2>
<div class="row">
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/django_rest_framework.png" alt="django rest_framework" class="img-fluid py-3 img__presentation">
<div class="card__data bg-bone">
<h3 class="h-70px">Django rest framework</h3>
<p>Backend Developer with one year of professional experience building scalable APIs using Django REST Framework. I develop fully customizable backend solutions for frontend clients, implementing complex business logic for advanced filtering, updating, deleting, and creating data (CRUD operations). Experienced in bulk data generation for testing environments, large Excel data processing using openpyxl (including structured tables), and data analysis with matplotlib for trend visualization. I have integrated external APIs such as INEGI, Rest Countries, and Contalink into internal systems, as well as worked with external databases like Firebase using custom-built Python string-based commands.</p>
</div>
</div>
<div class="card__back bg-bone">
<h4>Backend services</h4>
<ul class="list-group-flush px-0">
<li class="list-group-item">Excel report generation, matplotlib analysis.</li>
<li class="list-group-item">Full class-based CRUD operations.</li>
<li class="list-group-item">Custom logic views built from scratch.</li>
<li class="list-group-item">APIs for specific external servers.</li>
<li class="list-group-item">Command handling for external databases.</li>
<li class="list-group-item">Integration with external database services.</li>
</ul>
</div>
</div>
</div>
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/Django_Logo.png" alt="django" class="img-fluid img__presentation textce mx-auto d-block">
<div class="card__data bg-006A67 text-light">
<h3 class="h-70px">Django</h3>
<p>I have strong technical expertise using Django to develop dynamic HTML templates that interact directly with local and external databases. I seamlessly integrate these templates with Bootstrap and JavaScript to deliver an enhanced user experience, implementing efficient data filtering, creation, updating, and deletion operations. I am proficient in class-based views for CRUD operations, as well as in designing highly customized views with specific business logic to address complex data interaction requirements across different interfaces.</p>
</div>
</div>
<div class="card__back bg-006A67 text-light">
<h4>Django template services</h4>
<ul class="list-group-flush px-0">
<li class="list-group-item">Seamless integration of templates with Bootstrap and JavaScript to enhance user experience.</li>
<li class="list-group-item">Proficiency in class-based views for structured and maintainable CRUD operations.</li>
<li class="list-group-item">Development of custom views with specific business logic to solve complex data interaction requirements across multiple interfaces.</li>
</ul>
</div>
</div>
</div>
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/bootstrap.png" alt="bootstrap" class="img__presentation bg-AD49E1 w-100">
<div class="card__data bg-bootstrap color-EBD3F8">
<h3 class="fw-bold h-70px text-light">Bootstrap</h3>
<p class="fw-bold text-light">Frontend interface designer using Bootstrap for rapid web development. Skilled in combining Bootstrap components with JavaScript to build responsive and backend-connected interfaces from scratch. Strong knowledge of core Bootstrap components and layout systems.</p>
</div>
</div>
<div class="card__back bg-bootstrap">
<h4 class="text-light fw-bold">Bootstrap services</h4>
<ul class="list-group-flush fw-bold px-0 text-light">
<li class="list-group-item color-EBD3F8">Responsive by default</li>
<li class="list-group-item color-EBD3F8">Fast development</li>
<li class="list-group-item color-EBD3F8">Consistent design</li>
<li class="list-group-item color-EBD3F8">Easy to customize</li>
<li class="list-group-item color-EBD3F8">Large component library</li>
<li class="list-group-item color-EBD3F8">Strong community support</li>
<li class="list-group-item color-EBD3F8">Cross-browser compatibility</li>
<li class="list-group-item color-EBD3F8">Ideal for prototypes</li>
<li class="list-group-item color-EBD3F8">Integrates well with other frameworks</li>
<li class="list-group-item color-EBD3F8">Mobile-first approach</li>
</ul>
</div>
</div>
</div>
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/javascript.png" alt="sass" class="img__presentation w-100 border-bottom border-black">
<div class="card__data bg-js">
<h3 class="fw-bold h-70px">JavaScript</h3>
<p class="fw-bold">Junior-level JavaScript developer experienced in API consumption, dynamic template creation using string-based rendering, and building basic simulators. Familiar with libraries such as SweetAlert and Toastify for user interaction and notifications. Primarily focused on integration with Django REST Framework backends.</p>
</div>
</div>
<div class="card__back bg-js">
<h4 class="fw-bold">JS services</h4>
<ul class="list-group-flush px-0 fw-bold">
<li class="list-group-item">Working with Sass control directives like @if, @each, and @for for dynamic styling.</li>
<li class="list-group-item">Extending selectors (@extend) to share common style patterns.</li>
<li class="list-group-item">Mixins and functions to create reusable logic and reduce code repetition.</li>
<li class="list-group-item">Using imports / @use and @forward to build scalable style architectures.</li>
<li class="list-group-item">Using variables to store reusable values such as colors, fonts, and spacing.</li>
</ul>
</div>
</div>
</div>
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/React.jpg" alt="sass" class="img__presentation w-100">
<div class="card__data bg-002455 text-info">
<h3 class="fw-bold h-70px">React</h3>
<p class="fw-bold">Experience in React development, including building reusable components, managing state with hooks, handling component communication, and consuming APIs. Knowledge of routing, performance optimization, form handling, and the use of modern tools for structuring, styling, and deploying applications.</p>
</div>
</div>
<div class="card__back bg-002455 text-info">
<h4 class="fw-bold">React skills</h4>
<ul class="list-group-flush px-0 fw-bold">
<li class="list-group-item">Foundation for building modular and reusable interfaces with clear separation of concerns.</li>
<li class="list-group-item">Handles dynamic data, side effects, and complex logic in a structured way.</li>
<li class="list-group-item">Enables efficient UI updates based on state and data lists.</li>
<li class="list-group-item">Organizes data flow across components while reducing unnecessary dependencies.</li>
<li class="list-group-item">Improves performance, logic reuse, and fine control over application behavior.</li>
</ul>
</div>
</div>
</div>
</div>
<h2 class="mb-4">Coming soon</h2>
<div class="row">
<div class="col-12 col-sm-6 col-md-4 col-xl-3 mb-5">
<div class="flip__card">
<div class="card__front">
<img src="img/React_UI.jpg" alt="react" class="img__presentation gray__img w-100">
<div class="card__data bg-002455">
<h3 class="fw-bold text-info">React & material UI</h3>
<p class="fw-bold text-info">Coming soon...</p>
</div>
</div>
<div class="card__back bg-002455">
<h4 class="text-info">...</h4>
</div>
</div>
</div>
</div>
<h2>Slideshow</h2>
<div id="carouselExample" class="carousel slide carousel-dark my-5 shadow-lg">
<div class="carousel-inner">
<div class="carousel-item bg-body active">
<div class="card w-75 mx-auto border-0 min-h-280 justify-content-center">
<div class="row align-items-xl-center">
<div class="col-xl-4">
<img src="img/django_rest_framework.png" class="img__presentation mx-auto d-block p-3" alt="django">
</div>
<div class="col-xl-8">
<div class="card-body">
<h5 class="card-title">rest framework</h5>
<p class="card-text">Backend Developer with one year of professional experience building scalable APIs using Django REST Framework. I develop fully customizable backend solutions for frontend clients, implementing complex business logic for advanced filtering, updating, deleting, and creating data (CRUD operations). Experienced in bulk data generation for testing environments, large Excel data processing using openpyxl (including structured tables), and data analysis with matplotlib for trend visualization. I have integrated external APIs such as INEGI, Rest Countries, and Contalink into internal systems, as well as worked with external databases like Firebase using custom-built Python string-based commands.</p>
</div>
</div>
</div>
</div>
</div>
<div class="carousel-item bg-body">
<div class="card w-75 mx-auto border-0 min-h-280 justify-content-center">
<div class="row align-items-xl-center">
<div class="col-xl-4">
<img src="img/django.png" class="img__presentation mx-auto d-block" alt="django">
</div>
<div class="col-xl-8">
<div class="card-body">
<h5 class="card-title">Django</h5>
<p class="card-text">I have strong technical expertise using Django to develop dynamic HTML templates that interact directly with local and external databases. I seamlessly integrate these templates with Bootstrap and JavaScript to deliver an enhanced user experience, implementing efficient data filtering, creation, updating, and deletion operations. I am proficient in class-based views for CRUD operations, as well as in designing highly customized views with specific business logic to address complex data interaction requirements across different interfaces.</p>
</div>
</div>
</div>
</div>
</div>
<div class="carousel-item bg-body">
<div class="card w-75 mx-auto border-0 min-h-280 justify-content-center">
<div class="row align-items-xl-center">
<div class="col-xl-4">
<img src="img/bootstrap.png" class="img__presentation d-block mx-auto" alt="bootstrap">
</div>
<div class="col-xl-8">
<div class="card-body">
<h5 class="card-title">Bootstrap</h5>
<p class="card-text">After my introductory web development course, I’ve spent about three months working with Bootstrap. I’ve used its grid system to create responsive layouts and incorporated pre-built components like buttons, navbars, and modals. I’ve also customized Bootstrap’s default styles with my own CSS to fit specific design needs. While I’m still learning more about Bootstrap’s JavaScript components.</p>
</div>
</div>
</div>
</div>
</div>
<div class="carousel-item bg-body">
<div class="card w-75 mx-auto border-0 min-h-280 justify-content-center">
<div class="row align-items-xl-center">
<div class="col-xl-4">
<img src="img/javascript.png" class="img__presentation d-block mx-auto" alt="javascript">
</div>
<div class="col-xl-8">
<div class="card-body">
<h5 class="card-title">JavaScript</h5>
<p class="card-text">Junior-level JavaScript developer experienced in API consumption, dynamic template creation using string-based rendering, and building basic simulators. Familiar with libraries such as SweetAlert and Toastify for user interaction and notifications. Primarily focused on integration with Django REST Framework backends.</p>
</div>
</div>
</div>
</div>
</div>
<div class="carousel-item bg-body">
<div class="card w-75 mx-auto border-0 min-h-280 justify-content-center">
<div class="row align-items-xl-center">
<div class="col-xl-4">
<img src="img/React.png" class="img__presentation d-block mx-auto" alt="react">
</div>
<div class="col-xl-8">
<div class="card-body">
<h5 class="card-title">React</h5>
<p class="card-text">Experience in React development, including building reusable components, managing state with hooks, handling component communication, and consuming APIs. Knowledge of routing, performance optimization, form handling, and the use of modern tools for structuring, styling, and deploying applications.</p>
</div>
</div>
</div>
</div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-bs-target="#carouselExample" data-bs-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="visually-hidden">Previous</span>
</button>
<button class="carousel-control-next" type="button" data-bs-target="#carouselExample" data-bs-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="visually-hidden">Next</span>
</button>
</div>
<h2>Progress bar section</h2>
<div class="row">
<div class="card my-3 px-0 mx-auto" style="max-width: 1290px;">
<div class="row g-0">
<div class="col-lg-4">
<img src="img/dev_stack.jpg" class="img-fluid h-100" alt="dev stack">
</div>
<div class="col-lg-8">
<div class="card-body">
<div class="row">
<div class="col-sm-6">
<button type="button" class="btn btn-warning mt-5 fw-bold w-100 mx-auto d-block" id="activateAnimation">Activate animation</button>
</div>
<div class="col-sm-6">
<div class="progress my-5 shadow-lg" style="height: 40px;">
<div
class="progress-bar fw-bold bg-success progress-bar-striped"
role="progressbar"
aria-valuenow="90"
aria-valuemin="0"
aria-valuemax="100"
style="width: 90%;"
>
Django rest_framework - 90%
</div>
</div>
</div>
<div class="col-sm-6">
<div class="progress my-5 shadow-lg" style="height: 40px;">
<div
class="progress-bar fw-bold bg-success progress-bar-striped"
role="progressbar"
aria-valuenow="80"
aria-valuemin="0"
aria-valuemax="100"
style="width: 80%;"
>
Django - 80%
</div>
</div>
</div>
<div class="col-sm-6">
<div class="progress my-5 shadow-lg" style="height: 40px;">
<div
class="progress-bar bg-3B0270 fw-bold progress-bar-striped"
role="progressbar"
aria-valuenow="80"
aria-valuemin="0"
aria-valuemax="100"
style="width: 80%;"
>
Bootstrap - 80%
</div>
</div>
</div>
<div class="col-sm-6">
<div class="progress my-5 shadow-lg" style="height: 40px;">
<div
class="progress-bar bg-warning fw-bold progress-bar-striped text-dark"
role="progressbar"
aria-valuenow="85"
aria-valuemin="0"
aria-valuemax="100"
style="width: 85%;"
>
JavaScript - 85%
</div>
</div>
</div>
<div class="col-sm-6">
<div class="progress my-5 shadow-lg" style="height: 40px;">
<div
class="progress-bar bg-002455 fw-bold progress-bar-striped text-light"
role="progressbar"
aria-valuenow="70"
aria-valuemin="0"
aria-valuemax="100"
style="width: 70%;"
>
React - 70%
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<h2>Projects section</h2>
<div class="row mt-3 row-gap-3">
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/Ecommerce screenshot.png" class="card-img-top youtube__img" alt="Ecommerce screenshot">
<div class="card-body">
<h5 class="card-title">Ecommerce</h5>
<p class="card-text">The most comprehensive project so far, involving a frontend client builtwith Bootstrap as well as several features that interact with a backend server to handle all the CRUD requests. Additionally, it includes an Excel report with graphical data analysis and large datasets grouped into formatted tables</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://www.youtube.com/watch?v=LYhuUxPeQl4" class="card-link" target="_blank">Demostrative video</a>
</li>
<li class="list-group-item">
<a href="https://github.com/JohnCard/Online-ecommerce" class="card-link" target="_blank">Frontend repository</a>
</li>
<li class="list-group-item">
<a href="https://github.com/JohnCard/Backend---codeandote" class="card-link" target="_blank">Backend repository</a>
</li>
<li class="list-group-item">
<a href="https://online-ecommerce-ten.vercel.app/" class="card-link" target="_blank">Online web</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/rest__countries.png" class="card-img-top youtube__img" alt="rest countries">
<div class="card-body">
<h5 class="card-title">Consume external server</h5>
<p class="card-text">In this project, I built a complete API from scratch using Django Rest Framework to consume the external REST Countries service and extract metadata about all the countries in the world. The project includes data analysis, export to Excel reports with professional table designs, basic CRUD operations, and customized views.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://www.youtube.com/watch?v=dwlroKgd7Dw" class="card-link" target="_blank">Demostrative video</a>
</li>
<li class="list-group-item">
<a href="https://github.com/JohnCard/Backend---codeandote" class="card-link" target="_blank">Github repository</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/EDteam__copy.png" class="card-img-top youtube__img" alt="bootstrap">
<div class="card-body">
<h5 class="card-title">Bootstrap project</h5>
<p class="card-text">My most relevant project as a beginner Bootstrap interface designer, fully focused on mastering responsive layouts and creating user-friendly experiences while aiming to achieve the highest level of professional design possible.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://edteam-replica.vercel.app/" class="card-link" target="_blank">Edteam copy link</a>
</li>
<li class="list-group-item">
<a href="https://github.com/JohnCard/EDteam---replica" class="card-link" target="_blank">Github repository</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/django.png" class="card-img-top youtube__img" alt="django">
<div class="card-body">
<h5 class="card-title">Django</h5>
<p class="card-text">A playlist focused on HTML interfaces built with the Django framework, demonstrating mastery of Python logic combined with proper data manipulation to create repetitive components and HTML structures with a very basic CSS design</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://www.youtube.com/playlist?list=PLnLgdcegJMsI08zM_Nw2rMR9Zp27aFbGu" class="card-link" target="_blank">Playlist</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/django_rest_framework.png" class="card-img-top pt-2 youtube__img" alt="django_rest_framework">
<div class="card-body">
<h5 class="card-title">Django rest_framework</h5>
<p class="card-text">A playlist focused on showcasing projects built with Django Rest Framework, highlighting the skills acquired after a full year of professional experience as a backend server developer, while openly presenting myself as an expert in the field and in the mastery of Django Rest Framework</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://www.youtube.com/playlist?list=PLnLgdcegJMsIGq5bDF6Y0RMRDn7WqajnD" class="card-link" target="_blank">Playlist</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/Gallery__img.png" class="card-img-top youtube__img" alt="gallery - shopping cart">
<div class="card-body">
<h5 class="card-title">Shooping cart simulator</h5>
<p class="card-text">This project showcases a fully functional e-commerce shopping cart simulator. It operates using its own locally stored data through localStorage, allowing the application to store, update, and manage the records associated with the current user's cart. The system displays relevant information such as personal details, available balance, items currently in the cart, purchased items, and the remaining amount required to complete purchases. The application was developed using JavaScript and Bootstrap.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://github.com/JohnCard/ProyectoFinal-Sanchez-Martinez" class="card-link" target="_blank">Github repository</a>
</li>
<li class="list-group-item">
<a href="https://primer-entrega-javascript.vercel.app/" class="card-link" target="_blank">Vercel project</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/Gallery__image.jpg" class="card-img-top youtube__img" alt="gallery">
<div class="card-body">
<h5 class="card-title">Shooping cart simulator (React + Bootstrap)</h5>
<p class="card-text">Functional e-commerce shopping cart, featuring product browsing, cart management with quantity controls, and a dynamic checkout experience — all powered by the [Fake Store API]</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://github.com/JohnCard/shopping-cart" class="card-link" target="_blank">Github repository</a>
</li>
<li class="list-group-item">
<a href="https://shooping-cart-two.vercel.app/" class="card-link" target="_blank">Vercel project</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/weather_app.png" class="card-img-top youtube__img" alt="weather app">
<div class="card-body">
<h5 class="card-title">Weather app simulator (by React)</h5>
<p class="card-text">A straightforward weather lookup application that fetches real-time weather data from the OpenWeatherMap API. Enter a city name to get the current temperature, weather conditions, and an icon representing the forecast.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://github.com/JohnCard/weather-app" class="card-link" target="_blank">Github repository</a>
</li>
<li class="list-group-item">
<a href="https://weather-app-ten-omega-76.vercel.app/" class="card-link" target="_blank">Vercel project</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/weather_ui_app.png" class="card-img-top youtube__img" alt="weather ui app">
<div class="card-body">
<h5 class="card-title">Weather app simulator (by React + UI material)</h5>
<p class="card-text">A polished, Material Design weather application. Features a clean UI with loading states, form validation, error handling, and toast notifications — powered by the WeatherAPI.com service.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://github.com/JohnCard/weather-ui-app" class="card-link" target="_blank">Github repository</a>
</li>
<li class="list-group-item">
<a href="https://weather-ui-app.vercel.app/" class="card-link" target="_blank">Vercel project</a>
</li>
</ul>
</div>
</div>
<div class="col-sm-6 col-md-4 col-xl-3">
<div class="card">
<img src="img/avengers__img.png" class="card-img-top youtube__img" alt="avengers__img">
<div class="card-body">
<h5 class="card-title">Movie searcher simulator</h5>
<p class="card-text">A clean, responsive movie search application that lets users discover films. Type a title, hit search, and browse movie posters in a beautiful grid layout.</p>
</div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<a href="https://github.com/JohnCard/Movie-searcher" class="card-link" target="_blank">Github repository</a>
</li>
<li class="list-group-item">
<a href="https://movie-searcher-pearl.vercel.app/" class="card-link" target="_blank">Vercel project</a>
</li>
</ul>
</div>
</div>
</div>
<h2 class="mt-5">Form section (non-functional)</h2>
<div class="row">
<form>
<div class="row my-5 px-3 px-md-0 col-md-10 mx-md-auto">
<div class="mt-3 col-sm-6">
<label for="name" class="form-label">Name</label>
<input type="text" id="name" class="form-control" name="name">
</div>
<div class="mt-3 col-sm-6">
<label for="lastname" class="form-label">Lastname</label>
<input type="text" id="lastname" class="form-control" name="lastname">
</div>
<div class="mt-3 col-sm-6">
<label for="email" class="form-label">Email</label>
<input type="email" id="email" class="form-control" name="email">
</div>
<div class="mt-3 col-sm-6">
<label for="tel" class="form-label">Contact</label>
<input type="tel" class="form-control" id="tel" name="tel">
</div>
<div class="mt-3 col-sm-6">
<label for="country" class="form-label">Country</label>
<select name="country" id="country" class="form-select">
<option value="argentina">Argentina</option>
<option value="mexico" selected>Mexico</option>
<option value="chile">Chile</option>
<option value="españa">España</option>
<option value="eu">Estados Unidos</option>
</select>
</div>
<div class="mt-3 col-sm-6">
<label for="message" class="form-label">Message</label>
<textarea name="message" id="message" class="form-control" rows="4"></textarea>
</div>
<div class="mt-3 col-md-6">
<button type="button" class="btn btn-primary col-12">Send</button>
</div>
<div class="mt-3 col-md-6">
<a href="media/Juan Carlos Sánchez Martínez - Resume.pdf" download class="btn btn-secondary d-block">Curriculum</a>
</div>
<div class="mt-3 col-md-6">
<a href="media/Certificado - Desarrollo Web.png" download class="btn btn-secondary d-block">Web development certificate</a>
</div>
<div class="mt-3 col-md-6">
<a href="media/excel_report.xlsx" download class="btn btn-success d-block">Excer report (test)</a>
</div>
<div class="mt-3 col-md-6">
<a href="media/english_8.pdf" download class="btn btn-primary d-block">Open english certificate</a>
</div>
<div class="mt-3 col-md-6">
<a href="media/JS certificate.png" download class="btn btn-secondary d-block">Java Script certificate</a>
</div>
</div>
</form>
</div>
</div>
<div class="container-fluid bg-secondary">
<footer class="d-flex flex-wrap justify-content-between align-items-center py-3 border-top">
<div class="col-md-4 d-flex align-items-center">
<a href="/" class="mb-3 me-2 mb-md-0 text-light text-decoration-none lh-1" aria-label="Bootstrap">
<svg class="bi" width="30" height="24" aria-hidden="true"><use xlink:href="#bootstrap"></use></svg>
</a>
<span class="mb-3 mb-md-0 text-light">© 2025 Juan Carlos - portfolio</span>
</div>
<ul class="nav col-md-4 justify-content-end list-unstyled d-flex">
<li>
<a class="text-body-secondary" href="https://www.linkedin.com/in/juan-carlos-s%C3%A1nchez-mart%C3%ADnez-ba4026253/" target="_blank">
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