public class DeveloperProfile
{
    public string Name { get; set; } = "Vũ Văn";
    public string[] Bio { get; set; } = 
    {
        "🛠 Developer by day",
        "🌌 Dream chaser by night",
        "🌿 Nature lover in between",
        "🌍 Traveler when I can",
        "🎮 Gamer on weekends",
        "✍️ Blogger when inspired"
    };

    public Position CurrentPosition { get; set; } = new Position
    {
        Title = "Senior Automation Developer",
        Company = "Avery Dennison RIS Vietnam",
        Roles = new string[] {
            "Senior Software Developer",
            "Technical Lead",
            "Team Lead",
        }
    };

    public string Country { get; set; } = "Vietnam";

    public TechStack Stack { get; set; } = new TechStack
    {
        WebDevelopment = new string[]
        {
            "HTML5", "CSS3", "JavaScript", "RESTful API", "ASP.NET", "Node.js",
            ".NET Framework", ".NET Core", "PHP"
        },
        DatabaseManagementSystems = new string[]
        {
            "Microsoft SQL Server", "PostgreSQL", "Oracle Database",
            "MySQL", "MongoDB"
        },
        WindowsApplicationDevelopment = new string[]
        {
            "Windows Presentation Foundation", "Windows Form",
            "Windows Service", "Electron"
        },
        AdvancedSystemDesignAndOptimization = new string[]
        {
            "Solution Architecture", "Real-Time Communication",
            "Database Optimization"
        }
    };
}

public class Position
{
    public string Title { get; set; }
    public string Company { get; set; }
    public string[] Roles {get; set; }
}

public class TechStack
{
    public string[] WebDevelopment { get; set; }
    public string[] DatabaseManagementSystems { get; set; }
    public string[] WindowsApplicationDevelopment { get; set; }
    public string[] AdvancedSystemDesignAndOptimization { get; set; }
}

var vuvtdhh = new DeveloperProfile();