diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.java
deleted file mode 100644
index 355a88d1a0d..00000000000
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.java
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.devsupport;
-
-import android.content.Context;
-import androidx.annotation.Nullable;
-import com.facebook.infer.annotation.Nullsafe;
-import com.facebook.react.bridge.JSBundleLoader;
-import com.facebook.react.bridge.ReactContext;
-import com.facebook.react.bridge.UiThreadUtil;
-import com.facebook.react.common.SurfaceDelegateFactory;
-import com.facebook.react.devsupport.interfaces.DevBundleDownloadListener;
-import com.facebook.react.devsupport.interfaces.DevLoadingViewManager;
-import com.facebook.react.devsupport.interfaces.DevSplitBundleCallback;
-import com.facebook.react.devsupport.interfaces.PausedInDebuggerOverlayManager;
-import com.facebook.react.devsupport.interfaces.RedBoxHandler;
-import com.facebook.react.packagerconnection.RequestHandler;
-import java.util.Map;
-
-/**
- * An implementation of {@link com.facebook.react.devsupport.interfaces.DevSupportManager} that
- * extends the functionality in {@link DevSupportManagerBase} with some additional, more flexible
- * APIs for asynchronously loading the JS bundle.
- */
-@Nullsafe(Nullsafe.Mode.LOCAL)
-class BridgelessDevSupportManager extends DevSupportManagerBase {
-
-  public BridgelessDevSupportManager(
-      Context context,
-      ReactInstanceDevHelper reactInstanceManagerHelper,
-      @Nullable String packagerPathForJSBundleName) {
-    this(
-        context.getApplicationContext(),
-        reactInstanceManagerHelper,
-        packagerPathForJSBundleName,
-        true /* enableOnCreate */,
-        null /* redBoxHandler */,
-        null /* devBundleDownloadListener */,
-        2 /* minNumShakes */,
-        null /* customPackagerCommandHandlers */,
-        null /* surfaceDelegateFactory */,
-        null /* devLoadingViewManager */,
-        null /* pausedInDebuggerOverlayManager */);
-  }
-
-  /**
-   * This constructor mirrors the same constructor we have for {@link BridgeDevSupportManager} and
-   * is kept for backward compatibility.
-   */
-  public BridgelessDevSupportManager(
-      Context applicationContext,
-      ReactInstanceDevHelper reactInstanceManagerHelper,
-      @Nullable String packagerPathForJSBundleName,
-      boolean enableOnCreate,
-      @Nullable RedBoxHandler redBoxHandler,
-      @Nullable DevBundleDownloadListener devBundleDownloadListener,
-      int minNumShakes,
-      @Nullable Map<String, RequestHandler> customPackagerCommandHandlers,
-      @Nullable SurfaceDelegateFactory surfaceDelegateFactory,
-      @Nullable DevLoadingViewManager devLoadingViewManager,
-      @Nullable PausedInDebuggerOverlayManager pausedInDebuggerOverlayManager) {
-    super(
-        applicationContext,
-        reactInstanceManagerHelper,
-        packagerPathForJSBundleName,
-        enableOnCreate,
-        redBoxHandler,
-        devBundleDownloadListener,
-        minNumShakes,
-        customPackagerCommandHandlers,
-        surfaceDelegateFactory,
-        devLoadingViewManager,
-        pausedInDebuggerOverlayManager);
-  }
-
-  @Override
-  protected String getUniqueTag() {
-    return "Bridgeless";
-  }
-
-  @Override
-  public void loadSplitBundleFromServer(
-      final String bundlePath, final DevSplitBundleCallback callback) {
-    fetchSplitBundleAndCreateBundleLoader(
-        bundlePath,
-        new CallbackWithBundleLoader() {
-          @Override
-          public void onSuccess(final JSBundleLoader bundleLoader) {
-            try {
-              mReactInstanceDevHelper.loadBundle(bundleLoader).waitForCompletion();
-              String bundleURL = getDevServerHelper().getDevServerSplitBundleURL(bundlePath);
-              ReactContext reactContext = mReactInstanceDevHelper.getCurrentReactContext();
-              if (reactContext != null) {
-                reactContext.getJSModule(HMRClient.class).registerBundle(bundleURL);
-              }
-              callback.onSuccess();
-            } catch (InterruptedException e) {
-              Thread.currentThread().interrupt();
-              throw new RuntimeException(
-                  "[BridgelessDevSupportManager]: Got interrupted while loading bundle", e);
-            }
-          }
-
-          @Override
-          public void onError(String url, Throwable cause) {
-            callback.onError(url, cause);
-          }
-        });
-  }
-
-  @Override
-  public void handleReloadJS() {
-    UiThreadUtil.assertOnUiThread();
-
-    // dismiss redbox if exists
-    hideRedboxDialog();
-    mReactInstanceDevHelper.reload("BridgelessDevSupportManager.handleReloadJS()");
-  }
-}
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.kt
new file mode 100644
index 00000000000..fd747969635
--- /dev/null
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/BridgelessDevSupportManager.kt
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.devsupport
+
+import android.content.Context
+import com.facebook.react.bridge.JSBundleLoader
+import com.facebook.react.bridge.UiThreadUtil
+import com.facebook.react.common.SurfaceDelegateFactory
+import com.facebook.react.devsupport.interfaces.DevBundleDownloadListener
+import com.facebook.react.devsupport.interfaces.DevLoadingViewManager
+import com.facebook.react.devsupport.interfaces.DevSplitBundleCallback
+import com.facebook.react.devsupport.interfaces.DevSupportManager
+import com.facebook.react.devsupport.interfaces.PausedInDebuggerOverlayManager
+import com.facebook.react.devsupport.interfaces.RedBoxHandler
+import com.facebook.react.packagerconnection.RequestHandler
+
+/**
+ * An implementation of [DevSupportManager] that extends the functionality in
+ * [DevSupportManagerBase] with some additional, more flexible APIs for asynchronously loading the
+ * JS bundle.
+ *
+ * @constructor The primary constructor mirrors the same constructor we have for
+ *   [BridgeDevSupportManager] and
+ *     * is kept for backward compatibility.
+ */
+internal class BridgelessDevSupportManager(
+    applicationContext: Context,
+    reactInstanceManagerHelper: ReactInstanceDevHelper,
+    packagerPathForJSBundleName: String?,
+    enableOnCreate: Boolean,
+    redBoxHandler: RedBoxHandler?,
+    devBundleDownloadListener: DevBundleDownloadListener?,
+    minNumShakes: Int,
+    customPackagerCommandHandlers: Map<String, RequestHandler>?,
+    surfaceDelegateFactory: SurfaceDelegateFactory?,
+    devLoadingViewManager: DevLoadingViewManager?,
+    pausedInDebuggerOverlayManager: PausedInDebuggerOverlayManager?
+) :
+    DevSupportManagerBase(
+        applicationContext,
+        reactInstanceManagerHelper,
+        packagerPathForJSBundleName,
+        enableOnCreate,
+        redBoxHandler,
+        devBundleDownloadListener,
+        minNumShakes,
+        customPackagerCommandHandlers,
+        surfaceDelegateFactory,
+        devLoadingViewManager,
+        pausedInDebuggerOverlayManager) {
+
+  constructor(
+      context: Context,
+      reactInstanceManagerHelper: ReactInstanceDevHelper,
+      packagerPathForJSBundleName: String?
+  ) : this(
+      applicationContext = context.applicationContext,
+      reactInstanceManagerHelper = reactInstanceManagerHelper,
+      packagerPathForJSBundleName = packagerPathForJSBundleName,
+      enableOnCreate = true,
+      redBoxHandler = null,
+      devBundleDownloadListener = null,
+      minNumShakes = 2,
+      customPackagerCommandHandlers = null,
+      surfaceDelegateFactory = null,
+      devLoadingViewManager = null,
+      pausedInDebuggerOverlayManager = null)
+
+  override fun getUniqueTag(): String = "Bridgeless"
+
+  override fun loadSplitBundleFromServer(bundlePath: String, callback: DevSplitBundleCallback) {
+    fetchSplitBundleAndCreateBundleLoader(
+        bundlePath,
+        object : CallbackWithBundleLoader {
+          override fun onSuccess(bundleLoader: JSBundleLoader) {
+            try {
+              mReactInstanceDevHelper.loadBundle(bundleLoader).waitForCompletion()
+              val bundleURL = devServerHelper.getDevServerSplitBundleURL(bundlePath)
+              val reactContext = mReactInstanceDevHelper.currentReactContext
+              reactContext?.getJSModule(HMRClient::class.java)?.registerBundle(bundleURL)
+              callback.onSuccess()
+            } catch (e: InterruptedException) {
+              Thread.currentThread().interrupt()
+              throw RuntimeException(
+                  "[BridgelessDevSupportManager]: Got interrupted while loading bundle", e)
+            }
+          }
+
+          override fun onError(url: String, cause: Throwable) = callback.onError(url, cause)
+        })
+  }
+
+  override fun handleReloadJS() {
+    UiThreadUtil.assertOnUiThread()
+    // dismiss redbox if exists
+    hideRedboxDialog()
+    mReactInstanceDevHelper.reload("BridgelessDevSupportManager.handleReloadJS()")
+  }
+}