diff --git a/src/api/noticeApi.ts b/src/api/noticeApi.ts
index cacc72c..fdb35fd 100644
--- a/src/api/noticeApi.ts
+++ b/src/api/noticeApi.ts
@@ -32,7 +32,7 @@ export interface NoticeShopItem extends NoticeItem {
 
 // application까지 포함된 상세형 Notice (상세 조회 시 사용)
 export interface NoticeDetailItem extends NoticeShopItem {
-  currentUserApplication?: {
+  currentUserApplication: null | {
     item: ApplicationItem;
   };
 }
diff --git a/src/components/common/PostLarge.tsx b/src/components/common/PostLarge.tsx
new file mode 100644
index 0000000..56b2850
--- /dev/null
+++ b/src/components/common/PostLarge.tsx
@@ -0,0 +1,139 @@
+import type { ReactNode } from 'react';
+import formatWorkTime from '@/utils/formatWorkTime';
+import ic_clock from '@/assets/icons/clock-red.svg';
+import ic_location from '@/assets/icons/location-red.svg';
+import ic_arrow from '@/assets/icons/arrow-up-white.svg';
+import PostImg from '@/assets/images/post-default.png';
+import type { NoticeDetailItem } from '@/api/noticeApi';
+
+// 상태 계산
+function getStatus(
+  startsAt: string,
+  closed: boolean,
+): 'ACTIVE' | 'CLOSED' | 'EXPIRED' {
+  const now = new Date();
+  const startDate = new Date(startsAt);
+
+  if (closed) return 'CLOSED'; // 인원 다 찼으면 마감
+  if (now >= startDate) return 'EXPIRED'; // 기간 종료되면 마감
+  return 'ACTIVE';
+}
+
+export default function PostLarge({
+  className = '',
+  data,
+  children,
+}: {
+  className?: string;
+  data: NoticeDetailItem;
+  children?: ReactNode;
+}) {
+  const {
+    hourlyPay,
+    workhour,
+    startsAt,
+    closed,
+    description: noticeDescription,
+    shop: {
+      item: {
+        address1,
+        imageUrl,
+        originalHourlyPay,
+        description: shopDescription,
+      },
+    },
+  } = data;
+
+  const status = getStatus(startsAt, closed);
+  const overlayText =
+    status === 'ACTIVE' ? '' : status === 'CLOSED' ? '마감 완료' : '지난 공고';
+
+  const dateTime = `${formatWorkTime({ startsAt, workhour })} (${workhour}시간)`;
+
+  const percent = Math.floor(
+    ((hourlyPay - originalHourlyPay) / originalHourlyPay) * 100,
+  );
+  const isHigherPay = percent > 0; // 이전 시급보다 높을 때만 표시
+
+  const background = imageUrl ?? PostImg;
+
+  let badgeBgColor = '';
+  if (percent >= 50) {
+    badgeBgColor = 'bg-red-40';
+  } else if (percent >= 30) {
+    badgeBgColor = 'bg-red-30';
+  } else if (percent >= 1) {
+    badgeBgColor = 'bg-red-20 ';
+  }
+
+  return (
+    <div className={`text-body2/22 font-regular md:text-body1/26 ${className}`}>
+      <div className="flex min-h-356 flex-col items-stretch justify-between rounded-xl border border-gray-20 bg-white p-19 md:p-23 lg:flex-row">
+        <div className="relative h-178 md:h-360 lg:h-auto lg:w-539">
+          <div
+            className="h-full w-full rounded-xl bg-cover bg-center"
+            style={{ backgroundImage: `url(${background})` }}
+          />
+          {status === 'ACTIVE' || (
+            <div className="absolute inset-0 flex items-center justify-center rounded-xl bg-[#000000]/70 text-h3 font-bold text-gray-30 md:text-h1">
+              {overlayText}
+            </div>
+          )}
+        </div>
+        <div className="mt-12 flex flex-col justify-between gap-24 text-black md:mt-16 md:gap-40 lg:w-346 lg:gap-0">
+          <div className="flex flex-col gap-8 md:gap-12">
+            <div>
+              <div className="mb-8 leading-17 font-bold text-primary md:leading-20">
+                시급
+              </div>
+              <div
+                className="flex items-center gap-4 md:gap-8"
+                title={`${hourlyPay.toLocaleString()}원${isHigherPay ? `: 기존 시급보다 ${percent}%` : ''}`}
+              >
+                <div className="text-h2/29 font-bold md:text-h1/34">
+                  {hourlyPay.toLocaleString()}원
+                </div>
+                {isHigherPay && status === 'ACTIVE' && (
+                  <div
+                    className={`flex h-24 items-center justify-center gap-2 rounded-full px-8 py-4 text-caption/16 text-white md:h-36 md:p-12 md:text-body2 md:font-bold ${badgeBgColor}`}
+                  >
+                    <div className="max-w-122 truncate">
+                      기존 시급보다 {percent}%
+                    </div>
+                    <img
+                      src={ic_arrow}
+                      alt="위 화살표"
+                      className="size-16 md:size-20"
+                    />
+                  </div>
+                )}
+              </div>
+            </div>
+            <div className="flex items-center gap-6 text-gray-50">
+              <img
+                src={ic_clock}
+                alt="시계 아이콘"
+                className="size-16 md:size-20"
+              />
+              {dateTime}
+            </div>
+            <div className="flex items-center gap-6 text-gray-50">
+              <img
+                src={ic_location}
+                alt="위치 아이콘"
+                className="size-16 md:size-20"
+              />
+              {address1}
+            </div>
+            {shopDescription}
+          </div>
+          {children}
+        </div>
+      </div>
+      <div className="mt-12 flex flex-col gap-8 rounded-xl bg-gray-10 p-20 md:mt-24 md:gap-12 md:p-32">
+        <div className="leading-17 font-bold md:leading-20">공고 설명</div>
+        {noticeDescription}
+      </div>
+    </div>
+  );
+}