diff --git a/src/api/userApi.ts b/src/api/userApi.ts
index cb6104a..60f3cc0 100644
--- a/src/api/userApi.ts
+++ b/src/api/userApi.ts
@@ -1,9 +1,11 @@
 import { api } from './axiosInstance';
 import type { User } from '../types';
 
-// API: GET /api/users/me
-// (Authorization: Bearer <access_token>)
-export async function fetchMyProfile(): Promise<User> {
-  const { data } = await api.get<User>('/api/users/me');
+export async function postUserMe(): Promise<void> {
+  await api.post('users/me', null);
+}
+
+export async function getMyProfile(): Promise<User> {
+  const { data } = await api.get<User>('users/me');
   return data;
 }
diff --git a/src/auth/callback.ts b/src/auth/callback.ts
index 3f49e45..2b5df7f 100644
--- a/src/auth/callback.ts
+++ b/src/auth/callback.ts
@@ -1,4 +1,6 @@
 import { COGNITO } from './config';
+import { useAuthStore } from '../store/useAuthStore';
+import { postUserMe, getMyProfile } from '../api/userApi';
 
 export type TokenResponse = {
   id_token: string;
@@ -45,11 +47,22 @@ export async function handleAuthCallback(): Promise<TokenResponse | null> {
 
   if (!res.ok) throw new Error(json.error_description ?? 'Token exchange failed');
 
-  localStorage.setItem('id_token', json.id_token);
-  localStorage.setItem('access_token', json.access_token);
-  if (json.refresh_token) localStorage.setItem('refresh_token', json.refresh_token);
+  useAuthStore.getState().setTokens({
+    idToken: json.id_token ?? null,
+    accessToken: json.access_token ?? null,
+    refreshToken: json.refresh_token ?? null,
+  });
 
   sessionStorage.removeItem('pkce_verifier');
+
+  try {
+    await postUserMe();
+    const me = await getMyProfile();
+    useAuthStore.getState().setUser(me);
+  } catch (e) {
+    console.error('[callback] user sync failed', e);
+  }
+
   // code 제거 (새로고침 시 재호출 방지)
   window.history.replaceState({}, '', COGNITO.redirectUri);
 
diff --git a/src/auth/config.ts b/src/auth/config.ts
index 4d88377..de6b964 100644
--- a/src/auth/config.ts
+++ b/src/auth/config.ts
@@ -17,5 +17,5 @@ export const COGNITO: CognitoConfig = {
   hostedUiDomain: requireEnv('VITE_COGNITO_DOMAIN'),
   clientId: requireEnv('VITE_COGNITO_CLIENT_ID'),
   redirectUri: requireEnv('VITE_COGNITO_REDIRECT_URI'),
-  scopes: ['openid', 'email'],
+  scopes: ['openid', 'email', 'profile'],
 };
diff --git a/src/store/useAuthStore.ts b/src/store/useAuthStore.ts
index f21755a..506d158 100644
--- a/src/store/useAuthStore.ts
+++ b/src/store/useAuthStore.ts
@@ -24,6 +24,9 @@ interface AuthState {
   setTokens: (tokens: Tokens) => void;
   syncFromStorage: () => void;
   clearTokens: () => void;
+
+  // [추가] /user/me 응답을 전역에 반영하기 위한 액션
+  setUser: (_user: User | null) => void; // ← [추가]
 }
 
 // Mock users (기존 유지)
@@ -96,6 +99,11 @@ export const useAuthStore = create<AuthState>((set, get) => ({
 
   // 추가: 교환 결과를 직접 세팅하고 싶을 때 사용 가능
   setTokens: (tokens: Tokens) => {
+    // [수정] 새로고침 유지 위해 로컬스토리지에도 반영
+    localStorage.setItem('id_token', tokens.idToken ?? '');
+    localStorage.setItem('access_token', tokens.accessToken ?? '');
+    localStorage.setItem('refresh_token', tokens.refreshToken ?? '');
+
     set({
       tokens,
       isAuthenticated: Boolean(tokens.accessToken),
@@ -123,6 +131,9 @@ export const useAuthStore = create<AuthState>((set, get) => ({
       isAuthenticated: false,
     });
   },
+
+  // [추가] /user/me 결과 반영
+  setUser: (_user) => set({ user: _user }), // ← [추가]
 }));
 
 // 기존 유지