example.cs

public List<EmployeeData> ShowDeveloperList(Developers developers)
{
    foreach (var developers in developer)
    {
        var expectedSalary = developer.CalculateExpectedSalary();
        var experience = developer.GetExperience();
        var githubLink = developer.GetGithubLink();
        var data = new[] {
            expectedSalary,
            experience,
            githubLink
        };

        Render(data);
    }
}

public List<ManagerData> ShowManagerList(Manager managers)
{
    foreach (var manager in managers)
    {
        var expectedSalary = manager.CalculateExpectedSalary();
        var experience = manager.GetExperience();
        var githubLink = manager.GetGithubLink();
        var data =
        new[] {
            expectedSalary,
            experience,
            githubLink
        };

        render(data);
    }
}