[portal] add yoe to level util

apps/portal/src/utils/JobExperienceLevel.ts

@@ -0,0 +1,29 @@
+enum JobExperienceLevel {
+  Entry,
+  Mid,
+  Senior,
+}
+
+export function yearsOfExperienceToLevel(years: number): Readonly<{
+  label: string;
+  level: JobExperienceLevel;
+}> {
+  if (years <= 2) {
+    return {
+      label: 'Entry Level',
+      level: JobExperienceLevel.Entry,
+    };
+  }
+
+  if (years <= 5) {
+    return {
+      label: 'Mid Level',
+      level: JobExperienceLevel.Mid,
+    };
+  }
+
+  return {
+    label: 'Senior Level',
+    level: JobExperienceLevel.Senior,
+  };
+}