diff --git a/types/Job.d.ts b/types/Job.d.ts
new file mode 100644
index 00000000..bab89b90
--- /dev/null
+++ b/types/Job.d.ts
@@ -0,0 +1,15 @@
+interface Job {    
+    id: string
+    row: string
+    ml: boolean
+    order: number
+    name: { 
+        [key: string]: string
+        en: string
+        ja: string
+    }   
+    proficiency: {
+        proficiency1: number
+        proficiency2: number
+    }
+}
\ No newline at end of file
diff --git a/utils/jobGroups.tsx b/utils/jobGroups.tsx
new file mode 100644
index 00000000..2741a638
--- /dev/null
+++ b/utils/jobGroups.tsx
@@ -0,0 +1,60 @@
+interface JobGroup {
+    slug: string
+    name: {
+        [key: string]: string
+        en: string
+        ja: string
+    }
+}
+
+export const jobGroups: JobGroup[] = [
+    {
+        slug: "1",
+        name: {
+            en: 'Row I',
+            ja: 'Class I'
+        }
+    },
+    {
+        slug: "2",
+        name: {
+            en: 'Row II',
+            ja: 'Class II'
+        }
+    },
+    {
+        slug: "3",
+        name: {
+            en: 'Row III',
+            ja: 'Class III'
+        }
+    },
+    {
+        slug: "4",
+        name: {
+            en: 'Row IV',
+            ja: 'Class IV'
+        }
+    },
+    {
+        slug: "5",
+        name: {
+            en: 'Row V',
+            ja: 'Class V'
+        }
+    },
+    {
+        slug: "ex1",
+        name: {
+            en: 'Extra I',
+            ja: 'EXTRA I'
+        }
+    },
+    {
+        slug: "ex2",
+        name: {
+            en: 'Extra II',
+            ja: 'EXTRA II'
+        }
+    },
+]
\ No newline at end of file