diff --git a/src/js/src/lib/action/tracker-action.ts b/src/js/src/lib/action/tracker-action.ts
index d6beae4..73ece0a 100644
--- a/src/js/src/lib/action/tracker-action.ts
+++ b/src/js/src/lib/action/tracker-action.ts
@@ -1,3 +1,4 @@
+import { ApiTrackerConnector } from "../api/api";
 import { KimaiApi } from "../api/kimai-api";
 import { KimaiApiTrackerConnector } from "../api/kimai-api-tracker-connector";
 import { ActionKey, StateKey } from "../constants";
@@ -5,6 +6,8 @@ import { Store } from "../store/store";
 import { Tracker, TrackerEvent } from "../tracker";
 import { AppState } from "../types";
 
+const connectors = new Map<string, ApiTrackerConnector>();
+
 export function initTrackerAction(store: Store<AppState>) {
   const trackerAction = new Action(ActionKey.track);
 
@@ -15,6 +18,7 @@ export function initTrackerAction(store: Store<AppState>) {
       }
       const tracker = Tracker.get(context)!;
       tracker.settings = settings;
+
       tracker.dispatchEvent(new Event(TrackerEvent.requestWorkedToday));
     }
   );
@@ -23,7 +27,10 @@ export function initTrackerAction(store: Store<AppState>) {
     if (!Tracker.has(context)) {
       const tracker = Tracker.create(context, false);
       const api = await getApi();
-      new KimaiApiTrackerConnector(api, store).connect(tracker);
+      const connector = new KimaiApiTrackerConnector(api, store).connect(
+        tracker
+      );
+      connectors.set(context, connector);
       $SD.getSettings(context);
     }
   });
diff --git a/src/js/src/lib/api/api.ts b/src/js/src/lib/api/api.ts
index 855060e..5a89e34 100644
--- a/src/js/src/lib/api/api.ts
+++ b/src/js/src/lib/api/api.ts
@@ -1,3 +1,6 @@
+import { Tracker } from "../tracker";
+import { BackendProvider } from "../types";
+
 export type ApiResponse<T> =
   | {
       success: true;
@@ -21,6 +24,11 @@ export type Category = {
   name: string;
 };
 
+export interface ApiTrackerConnector {
+  backendProvider: BackendProvider;
+  connect: (tracker: Tracker) => void;
+}
+
 export async function tryFetch<T>(
   url: string,
   options: RequestInit // eslint-disable-line
diff --git a/src/js/src/lib/api/kimai-api-tracker-connector.ts b/src/js/src/lib/api/kimai-api-tracker-connector.ts
index e30aa3c..49efe13 100644
--- a/src/js/src/lib/api/kimai-api-tracker-connector.ts
+++ b/src/js/src/lib/api/kimai-api-tracker-connector.ts
@@ -2,55 +2,86 @@ import { AppEvent, StateKey } from "../constants";
 import { Store } from "../store/store";
 import { Tracker, TrackerEvent } from "../tracker";
 import { AppState, KimaiBackendProviderPluginConfig } from "../types";
+import { ApiTrackerConnector } from "./api";
 import { KimaiApi } from "./kimai-api";
 
-export class KimaiApiTrackerConnector {
+export class KimaiApiTrackerConnector implements ApiTrackerConnector {
   #api: KimaiApi;
   #store: Store<AppState>;
+  #tracker!: Tracker;
+  #bound = {
+    onStart: this.onStart.bind(this),
+    onStop: this.onStop.bind(this),
+    onRequestWorkedToday: this.onRequestWorkedToday.bind(this),
+  };
+
+  backendProvider = "kimai" as const;
 
   constructor(api: KimaiApi, store: Store<AppState>) {
     this.#api = api;
     this.#store = store;
   }
 
-  connect(tracker: Tracker) {
-    tracker.addEventListener(TrackerEvent.start, async () => {
-      const response = await this.#api.startTracking(this.settings(tracker)!);
+  async onStart() {
+    const response = await this.#api.startTracking(
+      this.settings(this.#tracker)!
+    );
+    if (!response.success) {
+      EventEmitter.emit(AppEvent.actionAlert, this.#tracker.context);
+      console.error("Could not start tracking");
+      return;
+    }
+    EventEmitter.emit(AppEvent.actionSuccess, this.#tracker.context);
+    this.#store.patchState({
+      [StateKey.currentEvent]: response.body,
+    });
+  }
+
+  async onStop() {
+    const event = await this.#store.once(StateKey.currentEvent);
+    if (typeof event?.id === "number") {
+      const response = await this.#api.stopTracking(event?.id);
       if (!response.success) {
-        EventEmitter.emit(AppEvent.actionAlert, tracker.context);
-        console.error("Could not start tracking");
+        EventEmitter.emit(AppEvent.actionAlert, this.#tracker.context);
+        console.error("Could not stop tracking");
         return;
       }
-      EventEmitter.emit(AppEvent.actionSuccess, tracker.context);
-      this.#store.patchState({
-        [StateKey.currentEvent]: response.body,
-      });
-    });
+      EventEmitter.emit(AppEvent.actionSuccess, this.#tracker.context);
+      this.#tracker.dispatchEvent(new Event(TrackerEvent.requestWorkedToday)); // Prevent inconsistencies between local and persisted data
+    } else {
+      throw new Error("Cannot stop tracker. ID is undefined");
+    }
+    this.#tracker.reset();
+  }
 
-    tracker.addEventListener(TrackerEvent.stop, async () => {
-      const event = await this.#store.once(StateKey.currentEvent);
-      if (typeof event?.id === "number") {
-        const response = await this.#api.stopTracking(event?.id);
-        if (!response.success) {
-          EventEmitter.emit(AppEvent.actionAlert, tracker.context);
-          console.error("Could not stop tracking");
-          return;
-        }
-        EventEmitter.emit(AppEvent.actionSuccess, tracker.context);
-        tracker.dispatchEvent(new Event(TrackerEvent.requestWorkedToday)); // Prevent inconsistencies between local and persisted data
-      } else {
-        throw new Error("Cannot stop tracker. ID is undefined");
-      }
-      tracker.reset();
+  async onRequestWorkedToday() {
+    this.#tracker.workedToday = await this.getWorkedToday({
+      projectId: this.settings(this.#tracker)!.projectId,
+      activityId: this.settings(this.#tracker)!.activityId,
     });
+    this.#tracker.render();
+  }
 
-    tracker.addEventListener(TrackerEvent.requestWorkedToday, async () => {
-      tracker.workedToday = await this.getWorkedToday({
-        projectId: this.settings(tracker)!.projectId,
-        activityId: this.settings(tracker)!.activityId,
-      });
-      tracker.render();
-    });
+  connect(tracker: Tracker) {
+    this.#tracker = tracker;
+
+    tracker.addEventListener(TrackerEvent.start, this.#bound.onStart);
+    tracker.addEventListener(TrackerEvent.stop, this.#bound.onStop);
+    tracker.addEventListener(
+      TrackerEvent.requestWorkedToday,
+      this.#bound.onRequestWorkedToday
+    );
+
+    return this;
+  }
+
+  disconnect() {
+    this.#tracker.removeEventListener(TrackerEvent.start, this.#bound.onStart);
+    this.#tracker.removeEventListener(TrackerEvent.stop, this.#bound.onStop);
+    this.#tracker.removeEventListener(
+      TrackerEvent.requestWorkedToday,
+      this.#bound.onRequestWorkedToday
+    );
   }
 
   settings(tracker: Tracker): KimaiBackendProviderPluginConfig | undefined {