diff --git a/app/src/main/kotlin/app/dapk/st/graph/AppModule.kt b/app/src/main/kotlin/app/dapk/st/graph/AppModule.kt
index 4cf8b85..99e2d26 100644
--- a/app/src/main/kotlin/app/dapk/st/graph/AppModule.kt
+++ b/app/src/main/kotlin/app/dapk/st/graph/AppModule.kt
@@ -191,7 +191,7 @@ internal class FeatureModules internal constructor(
             storeModule.value.messageStore(),
         )
     }
-    val profileModule by unsafeLazy { ProfileModule(matrixModules.profile, matrixModules.sync, matrixModules.room, trackingModule.errorTracker) }
+    val profileModule by unsafeLazy { ProfileModule(matrixModules.engine, trackingModule.errorTracker) }
     val notificationsModule by unsafeLazy {
         NotificationsModule(
             imageLoaderModule.iconLoader(),
@@ -459,7 +459,6 @@ internal class MatrixModules(
 
     val sync by unsafeLazy { matrix.syncService() }
     val room by unsafeLazy { matrix.roomService() }
-    val profile by unsafeLazy { matrix.profileService() }
 }
 
 internal class DomainModules(
diff --git a/chat-engine/src/main/kotlin/app/dapk/st/engine/ChatEngine.kt b/chat-engine/src/main/kotlin/app/dapk/st/engine/ChatEngine.kt
index cf83a79..ad64a3a 100644
--- a/chat-engine/src/main/kotlin/app/dapk/st/engine/ChatEngine.kt
+++ b/chat-engine/src/main/kotlin/app/dapk/st/engine/ChatEngine.kt
@@ -24,6 +24,10 @@ interface ChatEngine {
 
     suspend fun registerPushToken(token: String, gatewayUrl: String)
 
+    suspend fun joinRoom(roomId: RoomId)
+
+    suspend fun rejectJoinRoom(roomId: RoomId)
+
     fun mediaDecrypter(): MediaDecrypter
 
     fun pushHandler(): PushHandler
diff --git a/features/profile/build.gradle b/features/profile/build.gradle
index 6a2f7b0..89e50f1 100644
--- a/features/profile/build.gradle
+++ b/features/profile/build.gradle
@@ -1,9 +1,7 @@
 applyAndroidComposeLibraryModule(project)
 
 dependencies {
-    implementation project(":matrix:services:sync")
-    implementation project(":matrix:services:room")
-    implementation project(":matrix:services:profile")
+    implementation project(":chat-engine")
     implementation project(":features:settings")
     implementation project(':domains:store')
     implementation project(":domains:android:compose-core")
diff --git a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileModule.kt b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileModule.kt
index 43d7d44..4766144 100644
--- a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileModule.kt
+++ b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileModule.kt
@@ -2,19 +2,15 @@ package app.dapk.st.profile
 
 import app.dapk.st.core.ProvidableModule
 import app.dapk.st.core.extensions.ErrorTracker
-import app.dapk.st.matrix.room.ProfileService
-import app.dapk.st.matrix.room.RoomService
-import app.dapk.st.matrix.sync.SyncService
+import app.dapk.st.engine.ChatEngine
 
 class ProfileModule(
-    private val profileService: ProfileService,
-    private val syncService: SyncService,
-    private val roomService: RoomService,
+    private val chatEngine: ChatEngine,
     private val errorTracker: ErrorTracker,
 ) : ProvidableModule {
 
     fun profileViewModel(): ProfileViewModel {
-        return ProfileViewModel(profileService, syncService, roomService, errorTracker)
+        return ProfileViewModel(chatEngine, errorTracker)
     }
 
 }
\ No newline at end of file
diff --git a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileScreen.kt b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileScreen.kt
index 889ecf4..d08d2b4 100644
--- a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileScreen.kt
+++ b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileScreen.kt
@@ -21,8 +21,8 @@ import app.dapk.st.core.Lce
 import app.dapk.st.core.LifecycleEffect
 import app.dapk.st.core.components.CenteredLoading
 import app.dapk.st.design.components.*
-import app.dapk.st.matrix.sync.InviteMeta
-import app.dapk.st.matrix.sync.RoomInvite
+import app.dapk.st.engine.RoomInvite
+import app.dapk.st.engine.RoomInvite.InviteMeta
 import app.dapk.st.settings.SettingsActivity
 
 @Composable
diff --git a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileState.kt b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileState.kt
index 5e0b6e2..b7754df 100644
--- a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileState.kt
+++ b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileState.kt
@@ -3,9 +3,8 @@ package app.dapk.st.profile
 import app.dapk.st.core.Lce
 import app.dapk.st.design.components.Route
 import app.dapk.st.design.components.SpiderPage
-import app.dapk.st.matrix.common.RoomId
-import app.dapk.st.matrix.room.ProfileService
-import app.dapk.st.matrix.sync.RoomInvite
+import app.dapk.st.engine.Me
+import app.dapk.st.engine.RoomInvite
 
 data class ProfileScreenState(
     val page: SpiderPage<out Page>,
@@ -14,12 +13,12 @@ data class ProfileScreenState(
 sealed interface Page {
     data class Profile(val content: Lce<Content>) : Page {
         data class Content(
-            val me: ProfileService.Me,
+            val me: Me,
             val invitationsCount: Int,
         )
     }
 
-    data class Invitations(val content: Lce<List<RoomInvite>>): Page
+    data class Invitations(val content: Lce<List<RoomInvite>>) : Page
 
     object Routes {
         val profile = Route<Profile>("Profile")
diff --git a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileViewModel.kt b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileViewModel.kt
index bec102a..bb3cfb6 100644
--- a/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileViewModel.kt
+++ b/features/profile/src/main/kotlin/app/dapk/st/profile/ProfileViewModel.kt
@@ -5,25 +5,20 @@ import androidx.lifecycle.viewModelScope
 import app.dapk.st.core.Lce
 import app.dapk.st.core.extensions.ErrorTracker
 import app.dapk.st.design.components.SpiderPage
+import app.dapk.st.engine.ChatEngine
 import app.dapk.st.matrix.common.RoomId
-import app.dapk.st.matrix.room.ProfileService
-import app.dapk.st.matrix.room.RoomService
-import app.dapk.st.matrix.sync.SyncService
 import app.dapk.st.viewmodel.DapkViewModel
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 
 class ProfileViewModel(
-    private val profileService: ProfileService,
-    private val syncService: SyncService,
-    private val roomService: RoomService,
+    private val chatEngine: ChatEngine,
     private val errorTracker: ErrorTracker,
 ) : DapkViewModel<ProfileScreenState, ProfileEvent>(
     ProfileScreenState(SpiderPage(Page.Routes.profile, "Profile", null, Page.Profile(Lce.Loading()), hasToolbar = false))
 ) {
 
-    private var syncingJob: Job? = null
     private var currentPageJob: Job? = null
 
     fun start() {
@@ -31,15 +26,13 @@ class ProfileViewModel(
     }
 
     private fun goToProfile() {
-        syncingJob = syncService.startSyncing().launchIn(viewModelScope)
-
         combine(
             flow {
-                val result = runCatching { profileService.me(forceRefresh = true) }
+                val result = runCatching { chatEngine.me(forceRefresh = true) }
                     .onFailure { errorTracker.track(it, "Loading profile") }
                 emit(result)
             },
-            syncService.invites(),
+            chatEngine.invites(),
             transform = { me, invites -> me to invites }
         )
             .onEach { (me, invites) ->
@@ -57,7 +50,7 @@ class ProfileViewModel(
     fun goToInvitations() {
         updateState { copy(page = SpiderPage(Page.Routes.invitation, "Invitations", Page.Routes.profile, Page.Invitations(Lce.Loading()))) }
 
-        syncService.invites()
+        chatEngine.invites()
             .onEach {
                 updatePageState<Page.Invitations> {
                     copy(content = Lce.Content(it))
@@ -89,13 +82,13 @@ class ProfileViewModel(
     }
 
     fun acceptRoomInvite(roomId: RoomId) {
-        launchCatching { roomService.joinRoom(roomId) }.fold(
+        launchCatching { chatEngine.joinRoom(roomId) }.fold(
             onError = {}
         )
     }
 
     fun rejectRoomInvite(roomId: RoomId) {
-        launchCatching { roomService.rejectJoinRoom(roomId) }.fold(
+        launchCatching { chatEngine.rejectJoinRoom(roomId) }.fold(
             onError = {
                 Log.e("!!!", it.message, it)
             }
@@ -115,7 +108,7 @@ class ProfileViewModel(
     }
 
     fun stop() {
-        syncingJob?.cancel()
+        currentPageJob?.cancel()
     }
 
 }
diff --git a/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/InviteUseCase.kt b/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/InviteUseCase.kt
new file mode 100644
index 0000000..740a8ce
--- /dev/null
+++ b/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/InviteUseCase.kt
@@ -0,0 +1,25 @@
+package app.dapk.st.engine
+
+import app.dapk.st.matrix.sync.SyncService
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onStart
+
+class InviteUseCase(
+    private val syncService: SyncService
+) {
+
+    fun invites() = invitesDatasource()
+
+    private fun invitesDatasource() = combine(
+        syncService.startSyncing().map { false }.onStart { emit(true) },
+        syncService.invites().map { it.map { it.engine() } }
+    ) { isFirstLoad, invites ->
+        when {
+            isFirstLoad && invites.isEmpty() -> null
+            else -> invites
+        }
+    }.filterNotNull()
+
+}
\ No newline at end of file
diff --git a/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MatrixEngine.kt b/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MatrixEngine.kt
index f921cfd..3bda72d 100644
--- a/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MatrixEngine.kt
+++ b/matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MatrixEngine.kt
@@ -39,12 +39,11 @@ class MatrixEngine internal constructor(
     private val sendMessageUseCase: Lazy<SendMessageUseCase>,
     private val matrixMediaDecrypter: Lazy<MatrixMediaDecrypter>,
     private val matrixPushHandler: Lazy<MatrixPushHandler>,
+    private val inviteUseCase: Lazy<InviteUseCase>,
 ) : ChatEngine {
 
     override fun directory() = directoryUseCase.value.state()
-    override fun invites(): Flow<InviteState> {
-        return matrix.value.syncService().invites().map { it.map { it.engine() } }
-    }
+    override fun invites() = inviteUseCase.value.invites()
 
     override suspend fun messages(roomId: RoomId, disableReadReceipts: Boolean): Flow<MessengerState> {
         return timelineUseCase.value.foo(roomId, isReadReceiptsDisabled = disableReadReceipts)
@@ -81,6 +80,14 @@ class MatrixEngine internal constructor(
         matrix.value.pushService().registerPush(token, gatewayUrl)
     }
 
+    override suspend fun joinRoom(roomId: RoomId) {
+        matrix.value.roomService().joinRoom(roomId)
+    }
+
+    override suspend fun rejectJoinRoom(roomId: RoomId) {
+        matrix.value.roomService().rejectJoinRoom(roomId)
+    }
+
     override fun mediaDecrypter(): MediaDecrypter {
         val mediaDecrypter = matrixMediaDecrypter.value
         return object : MediaDecrypter {
@@ -163,7 +170,17 @@ class MatrixEngine internal constructor(
             val mediaDecrypter = unsafeLazy { MatrixMediaDecrypter(base64) }
             val pushHandler = unsafeLazy { MatrixPushHandler(backgroundScheduler, credentialsStore, lazyMatrix.value.syncService(), roomStore) }
 
-            return MatrixEngine(directoryUseCase, lazyMatrix, timelineUseCase, sendMessageUseCase, mediaDecrypter, pushHandler)
+            val invitesUseCase = unsafeLazy { InviteUseCase(lazyMatrix.value.syncService()) }
+
+            return MatrixEngine(
+                directoryUseCase,
+                lazyMatrix,
+                timelineUseCase,
+                sendMessageUseCase,
+                mediaDecrypter,
+                pushHandler,
+                invitesUseCase,
+            )
         }
 
     }