diff --git a/lms/static/scripts/frontend_apps/api-types.ts b/lms/static/scripts/frontend_apps/api-types.ts
index 371218260c..84488a12c9 100644
--- a/lms/static/scripts/frontend_apps/api-types.ts
+++ b/lms/static/scripts/frontend_apps/api-types.ts
@@ -239,7 +239,14 @@ export type ActivityCalculation = 'cumulative' | 'separate';
 export type AutoGradingConfig = {
   grading_type: GradingType;
   activity_calculation: ActivityCalculation;
+
+  /**
+   * Required number of annotations if activityCalculation is 'separate' or
+   * combined number of annotations and replies otherwise.
+   */
   required_annotations: number;
+
+  /** Required number of replies if activityCalculation is 'separate' */
   required_replies?: number;
 };
 
diff --git a/lms/static/scripts/frontend_apps/components/AutoGradingConfigurator.tsx b/lms/static/scripts/frontend_apps/components/AutoGradingConfigurator.tsx
index ca737629a8..d99500868f 100644
--- a/lms/static/scripts/frontend_apps/components/AutoGradingConfigurator.tsx
+++ b/lms/static/scripts/frontend_apps/components/AutoGradingConfigurator.tsx
@@ -7,24 +7,14 @@ import {
 import type { ComponentChildren } from 'preact';
 import { useCallback, useId } from 'preact/hooks';
 
-import type { ActivityCalculation, GradingType } from '../api-types';
+import type {
+  GradingType,
+  AutoGradingConfig as APIAutoGradingConfig,
+} from '../api-types';
 
-export type AutoGradingConfig = {
+export type AutoGradingConfig = APIAutoGradingConfig & {
   /** Whether auto grading is enabled for the assignment or not */
   enabled?: boolean;
-  gradingType: GradingType;
-  activityCalculation: ActivityCalculation;
-
-  /**
-   * Required number of annotations if activityCalculation is 'separate' or
-   * combined number of annotations and replies otherwise.
-   */
-  requiredAnnotations: number;
-
-  /**
-   * Required number of replies if activityCalculation is 'separate'
-   */
-  requiredReplies?: number;
 };
 
 type AnnotationsGoalInputProps = {
@@ -90,10 +80,10 @@ export default function AutoGradingConfigurator({
 }: AutoGradingConfiguratorProps) {
   const {
     enabled = false,
-    gradingType,
-    activityCalculation,
-    requiredAnnotations,
-    requiredReplies = 0,
+    grading_type: gradingType,
+    activity_calculation: activityCalculation,
+    required_annotations: requiredAnnotations,
+    required_replies: requiredReplies = 0,
   } = config;
   const updateConfig = useCallback(
     (newConfig: Partial<AutoGradingConfig>) =>
@@ -127,7 +117,9 @@ export default function AutoGradingConfigurator({
               data-testid="grading-type-radio-group"
               aria-labelledby={gradingTypeId}
               selected={gradingType}
-              onChange={gradingType => updateConfig({ gradingType })}
+              onChange={gradingType =>
+                updateConfig({ grading_type: gradingType })
+              }
             >
               <RadioGroup.Radio
                 value="all_or_nothing"
@@ -152,7 +144,7 @@ export default function AutoGradingConfigurator({
               aria-labelledby={activityCalculationId}
               selected={activityCalculation}
               onChange={activityCalculation =>
-                updateConfig({ activityCalculation })
+                updateConfig({ activity_calculation: activityCalculation })
               }
             >
               <RadioGroup.Radio
@@ -177,7 +169,7 @@ export default function AutoGradingConfigurator({
             gradingType={gradingType}
             value={requiredAnnotations}
             onChange={requiredAnnotations =>
-              updateConfig({ requiredAnnotations })
+              updateConfig({ required_annotations: requiredAnnotations })
             }
           >
             {activityCalculation === 'cumulative'
@@ -188,7 +180,9 @@ export default function AutoGradingConfigurator({
             <AnnotationsGoalInput
               gradingType={gradingType}
               value={requiredReplies}
-              onChange={requiredReplies => updateConfig({ requiredReplies })}
+              onChange={requiredReplies =>
+                updateConfig({ required_replies: requiredReplies })
+              }
               min={0}
             >
               Replies
diff --git a/lms/static/scripts/frontend_apps/components/FilePickerApp.tsx b/lms/static/scripts/frontend_apps/components/FilePickerApp.tsx
index 2217ba6ad4..0986475b3f 100644
--- a/lms/static/scripts/frontend_apps/components/FilePickerApp.tsx
+++ b/lms/static/scripts/frontend_apps/components/FilePickerApp.tsx
@@ -203,42 +203,24 @@ export default function FilePickerApp({ onSubmit }: FilePickerAppProps) {
       if (!assignmentAutoGradingConfig) {
         return {
           enabled: false,
-          gradingType: 'all_or_nothing',
-          activityCalculation: 'cumulative',
-          requiredAnnotations: 1,
+          grading_type: 'all_or_nothing',
+          activity_calculation: 'cumulative',
+          required_annotations: 1,
         };
       }
 
       // Initialize with the assignment's auto-grading config if it exists
       return {
         enabled: true,
-        gradingType: assignmentAutoGradingConfig.grading_type,
-        activityCalculation: assignmentAutoGradingConfig.activity_calculation,
-        requiredAnnotations: assignmentAutoGradingConfig.required_annotations,
-        requiredReplies: assignmentAutoGradingConfig.required_replies,
+        ...assignmentAutoGradingConfig,
       };
     },
   );
   // The auto-grading config as expected by the backend
-  const autoGradingConfigToSave = useMemo(
-    () =>
-      autoGradingEnabled && autoGradingConfig.enabled
-        ? {
-            grading_type: autoGradingConfig.gradingType,
-            activity_calculation: autoGradingConfig.activityCalculation,
-            required_annotations: autoGradingConfig.requiredAnnotations,
-            required_replies: autoGradingConfig.requiredReplies,
-          }
-        : null,
-    [
-      autoGradingConfig.activityCalculation,
-      autoGradingConfig.enabled,
-      autoGradingConfig.gradingType,
-      autoGradingConfig.requiredAnnotations,
-      autoGradingConfig.requiredReplies,
-      autoGradingEnabled,
-    ],
-  );
+  const autoGradingConfigToSave: APIAutoGradingConfig | null = useMemo(() => {
+    const { enabled, ...rest } = autoGradingConfig;
+    return autoGradingEnabled && enabled ? rest : null;
+  }, [autoGradingConfig, autoGradingEnabled]);
 
   // Flag indicating if we are editing content that was previously selected.
   const [editingContent, setEditingContent] = useState(false);
diff --git a/lms/static/scripts/frontend_apps/components/test/AutoGradingConfigurator-test.js b/lms/static/scripts/frontend_apps/components/test/AutoGradingConfigurator-test.js
index fb77cc1c6f..c9efd4336d 100644
--- a/lms/static/scripts/frontend_apps/components/test/AutoGradingConfigurator-test.js
+++ b/lms/static/scripts/frontend_apps/components/test/AutoGradingConfigurator-test.js
@@ -10,9 +10,9 @@ describe('AutoGradingConfigurator', () => {
 
   beforeEach(() => {
     fakeAutoGradingConfig = {
-      gradingType: 'all_or_nothing',
-      activityCalculation: 'cumulative',
-      requiredAnnotations: 1,
+      grading_type: 'all_or_nothing',
+      activity_calculation: 'cumulative',
+      required_annotations: 1,
     };
     fakeUpdateAutoGradingConfig = sinon.stub();
   });
@@ -66,12 +66,12 @@ describe('AutoGradingConfigurator', () => {
 
         assert.calledWith(
           fakeUpdateAutoGradingConfig,
-          sinon.match({ activityCalculation }),
+          sinon.match({ activity_calculation: activityCalculation }),
         );
       });
 
       it('renders inputs based on activity calculation value', () => {
-        fakeAutoGradingConfig.activityCalculation = activityCalculation;
+        fakeAutoGradingConfig.activity_calculation = activityCalculation;
 
         const wrapper = createComponent();
         const inputs = wrapper.find('AnnotationsGoalInput');
@@ -97,12 +97,12 @@ describe('AutoGradingConfigurator', () => {
 
         assert.calledWith(
           fakeUpdateAutoGradingConfig,
-          sinon.match({ gradingType }),
+          sinon.match({ grading_type: gradingType }),
         );
       });
 
       it('renders different input label depending on grading type value', () => {
-        fakeAutoGradingConfig.gradingType = gradingType;
+        fakeAutoGradingConfig.grading_type = gradingType;
 
         const wrapper = createComponent();
         const input = wrapper.find('AnnotationsGoalInput').first();
@@ -119,16 +119,16 @@ describe('AutoGradingConfigurator', () => {
       {
         inputIndex: 0,
         value: '15',
-        expectedConfig: { requiredAnnotations: 15 },
+        expectedConfig: { required_annotations: 15 },
       },
       {
         inputIndex: 1,
         value: '3',
-        expectedConfig: { requiredReplies: 3 },
+        expectedConfig: { required_replies: 3 },
       },
     ].forEach(({ inputIndex, value, expectedConfig }) => {
       it('updates config when inputs change', () => {
-        fakeAutoGradingConfig.activityCalculation = 'separate';
+        fakeAutoGradingConfig.activity_calculation = 'separate';
 
         const wrapper = createComponent();
         const inputs = wrapper.find('AnnotationsGoalInput');