diff --git a/app/build.gradle b/app/build.gradle
index 03021e67c..2801a29da 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -234,6 +234,7 @@ dependencies {
     def work_version = '2.7.1'
     implementation "androidx.work:work-runtime-ktx:$work_version"
     androidTestImplementation "androidx.work:work-testing:$work_version"
+    implementation "androidx.hilt:hilt-work:1.0.0"
 
     // Shimmer effect
     implementation 'com.facebook.shimmer:shimmer:0.5.0'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 640450635..19fff39b7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,22 +6,22 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="com.google.android.gms.permission.AD_ID" />
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
 
     <application
-        tools:replace="icon, label"
         android:name="com.ku_stacks.ku_ring.KuRingApplication"
         android:allowBackup="false"
         android:icon="${appIcon}"
         android:label="${appName}"
         android:roundIcon="@drawable/ic_ku_ring_launcher_round"
-        android:usesCleartextTraffic="true"
         android:supportsRtl="true"
-        android:theme="@style/Theme.KURing">
+        android:theme="@style/Theme.KURing"
+        android:usesCleartextTraffic="true"
+        tools:replace="icon, label">
 
         <activity
             android:name=".ui.splash.SplashActivity"
@@ -45,7 +45,8 @@
             android:screenOrientation="portrait"
             android:windowSoftInputMode="adjustResize" />
 
-        <activity android:name=".ui.my_notification.NotificationActivity"
+        <activity
+            android:name=".ui.my_notification.NotificationActivity"
             android:exported="true"
             android:launchMode="singleTask" />
         <activity
@@ -60,20 +61,20 @@
         <activity
             android:name="com.google.android.gms.oss.licenses.OssLicensesActivity"
             android:exported="true"
-            android:theme="@style/OpenSourceItemTheme"/>
+            android:theme="@style/OpenSourceItemTheme" />
 
         <activity
             android:name=".ui.notice_webview.NoticeWebActivity"
-            android:exported="true"
-            />
+            android:exported="true" />
 
         <activity
             android:name=".ui.edit_subscription.EditSubscriptionActivity"
             android:exported="true"
             android:screenOrientation="portrait"
-            android:theme="@style/EditSubscriptionTheme"/>
+            android:theme="@style/EditSubscriptionTheme" />
 
-        <activity android:name=".ui.notion.NotionViewActivity"
+        <activity
+            android:name=".ui.notion.NotionViewActivity"
             android:exported="true" />
 
         <activity
@@ -100,6 +101,10 @@
             <meta-data
                 android:name="com.ku_stacks.ku_ring.initializer.SendbirdInitializer"
                 android:value="androidx.startup" />
+            <meta-data
+                android:name="androidx.work.WorkManagerInitializer"
+                android:value="androidx.startup"
+                tools:node="remove" />
         </provider>
 
         <service android:name="com.ku_stacks.ku_ring.MyFireBaseMessagingService"
@@ -107,8 +112,8 @@
             android:exported="false"
             android:stopWithTask="false">
             <intent-filter>
-                <action android:name="com.google.firebase.MESSAGING_EVENT"/>
-                <action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+                <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
             </intent-filter>
         </service>
 
@@ -118,8 +123,7 @@
 
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_icon"
-            android:resource="@drawable/ic_status_bar"
-            />
+            android:resource="@drawable/ic_status_bar" />
 
     </application>
 
diff --git a/app/src/main/java/com/ku_stacks/ku_ring/KuRingApplication.kt b/app/src/main/java/com/ku_stacks/ku_ring/KuRingApplication.kt
index 50b3c8693..e54540d8f 100644
--- a/app/src/main/java/com/ku_stacks/ku_ring/KuRingApplication.kt
+++ b/app/src/main/java/com/ku_stacks/ku_ring/KuRingApplication.kt
@@ -1,7 +1,20 @@
 package com.ku_stacks.ku_ring
 
 import android.app.Application
+import android.util.Log
+import androidx.hilt.work.HiltWorkerFactory
+import androidx.work.Configuration
 import dagger.hilt.android.HiltAndroidApp
+import javax.inject.Inject
 
 @HiltAndroidApp
-class KuRingApplication : Application()
\ No newline at end of file
+class KuRingApplication : Application(), Configuration.Provider {
+
+    @Inject
+    lateinit var workerFactory: HiltWorkerFactory
+
+    override fun getWorkManagerConfiguration() = Configuration.Builder()
+        .setMinimumLoggingLevel(Log.INFO)
+        .setWorkerFactory(workerFactory)
+        .build()
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/ku_stacks/ku_ring/work/ReEngagementNotificationWork.kt b/app/src/main/java/com/ku_stacks/ku_ring/work/ReEngagementNotificationWork.kt
index 321f6ae42..4e9bfc8c6 100644
--- a/app/src/main/java/com/ku_stacks/ku_ring/work/ReEngagementNotificationWork.kt
+++ b/app/src/main/java/com/ku_stacks/ku_ring/work/ReEngagementNotificationWork.kt
@@ -7,18 +7,21 @@ import android.content.Context
 import android.graphics.BitmapFactory
 import android.media.RingtoneManager
 import androidx.core.app.NotificationCompat
+import androidx.hilt.work.HiltWorker
 import androidx.work.Worker
 import androidx.work.WorkerParameters
 import com.ku_stacks.ku_ring.MyFireBaseMessagingService
 import com.ku_stacks.ku_ring.R
 import com.ku_stacks.ku_ring.navigator.KuringNavigator
-import javax.inject.Inject
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
 
-class ReEngagementNotificationWork(appContext: Context, workerParams: WorkerParameters) :
-    Worker(appContext, workerParams) {
-
-    @Inject
-    lateinit var navigator: KuringNavigator
+@HiltWorker
+class ReEngagementNotificationWork @AssistedInject constructor(
+    @Assisted appContext: Context,
+    @Assisted workerParams: WorkerParameters,
+    private val navigator: KuringNavigator
+) : Worker(appContext, workerParams) {
 
     override fun doWork(): Result {
         val notification = createNotification(applicationContext)