My Technical Skills - Development Stack

// API Controller example
[ApiController]
[Route("api/[controller]")]
public class ProductsController : ControllerBase
{
    private readonly IProductService _service;

    [HttpGet]
    public async Task<IActionResult> GetProducts()
    {
        var products = await _service.GetAllAsync();
        return Ok(products);
    }
}

// Secure authentication system
class AuthController {
    public function login($email, $password) {
        $hashedPassword = password_hash($password, PASSWORD_DEFAULT);
        $stmt = $this->db->prepare("SELECT * FROM users WHERE email = ?");
        $stmt->execute([$email]);

        if ($user = $stmt->fetch()) {
            if (password_verify($password, $user['password'])) {
                $_SESSION['user_id'] = $user['id'];
                return ['success' => true];
            }
        }
        return ['success' => false];
    }
}

// Reusable component for forms
class FormValidator {
    constructor(form) {
        this.form = form;
        this.rules = new Map();
        this.init();
    }

    addRule(field, validator, message) {
        this.rules.set(field, { validator, message });
        return this;
    }

    validate() {
        let isValid = true;
        this.form.querySelectorAll('.error').forEach(el => el.remove());

        this.rules.forEach((rule, field) => {
            const input = this.form.querySelector(`[name="${field}"]`);
            if (!rule.validator(input.value)) {
                this.showError(input, rule.message);
                isValid = false;
            }
        });

        return isValid;
    }
}

<!-- Modern semantic structure -->
<article class="project-card" itemscope itemtype="https://schema.org/CreativeWork">
    <header class="project-header">
        <h2 itemprop="name">Project Title</h2>
        <time itemprop="dateCreated" datetime="2025-01-19">January 19, 2025</time>
    </header>

    <section class="project-content">
        <p itemprop="description">Project description...</p>
    </section>
</article>

/* Advanced CSS Grid and Flexbox */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.project-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

@media (prefers-reduced-motion: reduce) {
    .project-card {
        transition: none;
    }
}

<!-- Custom component with Bootstrap -->
<div class="card shadow-lg border-0 overflow-hidden">
    <div class="card-header bg-gradient-primary text-white">
        <div class="row align-items-center">
            <div class="col">
                <h5 class="mb-0">Dashboard Analytics</h5>
            </div>
            <div class="col-auto">
                <span class="badge bg-light text-primary">Live</span>
            </div>
        </div>
    </div>
    <div class="card-body p-4">
        <!-- Card content -->
    </div>
</div>

-- Optimized queries and stored procedures
DELIMITER //
CREATE PROCEDURE GetProductStatistics(
    IN product_id INT,
    IN start_date DATE,
    IN end_date DATE
)
BEGIN
    SELECT
        p.name,
        COUNT(s.id) as total_sales,
        SUM(s.quantity * p.price) as total_revenue,
        AVG(s.quantity) as avg_quantity
    FROM products p
    LEFT JOIN sales s ON p.id = s.product_id
    WHERE p.id = product_id
        AND s.date BETWEEN start_date AND end_date
    GROUP BY p.id;
END //
DELIMITER ;

# Typical Git workflow I use
git checkout -b feature/new-functionality
git add .
git commit -m "feat: implement notification system

- Add email service
- Create notification templates
- Integrate with user database"

git push origin feature/new-functionality
# Create Pull Request for review

// Clean and well-documented code
public class PriceCalculator
{
    private const decimal STUDENT_DISCOUNT = 0.15m;
    private const decimal VAT = 0.13m;

    /// <summary>
    /// Calculates final price including discounts and taxes
    /// </summary>
    /// <param name="basePrice">Product base price</param>
    /// <param name="isStudent">If student discount applies</param>
    /// <returns>Final price with discounts and VAT applied</returns>
    public decimal CalculateFinalPrice(decimal basePrice, bool isStudent)
    {
        var discountedPrice = isStudent
            ? ApplyDiscount(basePrice, STUDENT_DISCOUNT)
            : basePrice;

        return ApplyTaxes(discountedPrice, VAT);
    }
}