[
  {
    "category_name": "Programming Language",
    "skills": [
      "C",
      "C++",
      "Java",
      "Kotlin",
      "PHP"
    ]
  },
  {
    "category_name": "Data Structure",
    "skills": [
      "Array",
      "Linked List",
      "Stack",
      "Queue"
    ]
  },
  {
    "category_name": "Algorithm",
    "skills": [
      "Bubble Sort",
      "Quick Sort",
      "Floodfill",
      "DFS",
      "BFS"
    ]
  }
]