diff --git a/apps/web/src/components/ApplicationCard/ApplicationActions.tsx b/apps/web/src/components/ApplicationCard/ApplicationActions.tsx
index ee79be12d82..80d4cabffe3 100644
--- a/apps/web/src/components/ApplicationCard/ApplicationActions.tsx
+++ b/apps/web/src/components/ApplicationCard/ApplicationActions.tsx
@@ -192,8 +192,8 @@ const CopyApplicationIdAction = ({
       fontSize="caption"
       data-h2-vertical-align="base(top)"
       icon={linkCopied ? CheckIcon : undefined}
-      onClick={() => {
-        navigator.clipboard.writeText(id);
+      onClick={async () => {
+        await navigator.clipboard.writeText(id);
         setLinkCopied(true);
       }}
       aria-label={
diff --git a/apps/web/src/components/ApplicationCard/ApplicationCard.tsx b/apps/web/src/components/ApplicationCard/ApplicationCard.tsx
index 377db4d45e3..1b309104a02 100644
--- a/apps/web/src/components/ApplicationCard/ApplicationCard.tsx
+++ b/apps/web/src/components/ApplicationCard/ApplicationCard.tsx
@@ -126,8 +126,8 @@ const ApplicationCard = ({
     classification: application.pool.classification,
   });
 
-  const deleteApplication = () => {
-    executeDeleteMutation({
+  const deleteApplication = async () => {
+    await executeDeleteMutation({
       id: application.id,
     }).then((result) => {
       if (result.data?.deleteApplication) {
diff --git a/apps/web/src/components/AssessmentStepTracker/AssessmentStepTracker.test.tsx b/apps/web/src/components/AssessmentStepTracker/AssessmentStepTracker.test.tsx
index b1c3fc51127..f579e26eb23 100644
--- a/apps/web/src/components/AssessmentStepTracker/AssessmentStepTracker.test.tsx
+++ b/apps/web/src/components/AssessmentStepTracker/AssessmentStepTracker.test.tsx
@@ -99,8 +99,8 @@ describe("AssessmentStepTracker", () => {
 
   it("should have no accessibility errors", async () => {
     const { container } = renderAssessmentStepTracker();
-    await waitFor(() => {
-      axeTest(container);
+    await waitFor(async () => {
+      await axeTest(container);
     });
   });
 
diff --git a/apps/web/src/components/EmailVerification/EmailVerification.test.tsx b/apps/web/src/components/EmailVerification/EmailVerification.test.tsx
index 064ce3b06ed..1710033095d 100644
--- a/apps/web/src/components/EmailVerification/EmailVerification.test.tsx
+++ b/apps/web/src/components/EmailVerification/EmailVerification.test.tsx
@@ -47,8 +47,8 @@ const renderComponent = (
 describe("EmailVerification", () => {
   it("should have no accessibility errors", async () => {
     const { container } = renderComponent(getDefaultProps(), getMockClient());
-    await waitFor(() => {
-      axeTest(container);
+    await waitFor(async () => {
+      await axeTest(container);
     });
   });
 
diff --git a/apps/web/src/components/EmploymentEquity/EquityOptions.tsx b/apps/web/src/components/EmploymentEquity/EquityOptions.tsx
index c63ab6c8fb9..8bef4d1c9aa 100644
--- a/apps/web/src/components/EmploymentEquity/EquityOptions.tsx
+++ b/apps/web/src/components/EmploymentEquity/EquityOptions.tsx
@@ -103,13 +103,19 @@ const EquityOptions = ({
       });
   };
 
+  const handleError = () => {
+    toast.error(intl.formatMessage(profileMessages.updatingFailed));
+  };
+
   const handleMultipleFieldSave = (data: UpdateUserAsUserInput) => {
-    onUpdate(data).then((res) => {
-      if (res) toast.success(intl.formatMessage(profileMessages.userUpdated));
-      else {
-        toast.error(intl.formatMessage(profileMessages.updatingFailed));
-      }
-    });
+    onUpdate(data)
+      .then((res) => {
+        if (res) toast.success(intl.formatMessage(profileMessages.userUpdated));
+        else {
+          handleError();
+        }
+      })
+      .catch(handleError);
   };
 
   return (
diff --git a/apps/web/src/components/NotificationList/NotificationItem.tsx b/apps/web/src/components/NotificationList/NotificationItem.tsx
index af4878e37b2..848f382e700 100644
--- a/apps/web/src/components/NotificationList/NotificationItem.tsx
+++ b/apps/web/src/components/NotificationList/NotificationItem.tsx
@@ -136,11 +136,11 @@ const NotificationItem = ({
 
   const isTogglingReadStatus = markingAsRead || markingAsUnread;
 
-  const toggleReadStatus = () => {
+  const toggleReadStatus = async () => {
     const mutation = isUnread
       ? executeMarkAsReadMutation
       : executeMarkAsUnreadMutation;
-    mutation({ id: notification.id });
+    await mutation({ id: notification.id });
   };
 
   const createdAt = notification.createdAt
diff --git a/apps/web/src/components/NotificationList/RemoveDialog.tsx b/apps/web/src/components/NotificationList/RemoveDialog.tsx
index 29458913a59..058c81966ff 100644
--- a/apps/web/src/components/NotificationList/RemoveDialog.tsx
+++ b/apps/web/src/components/NotificationList/RemoveDialog.tsx
@@ -31,8 +31,8 @@ const RemoveDialog = forwardRef<
     DeleteNotification_Mutation,
   );
 
-  const handleDelete = () => {
-    executeDeleteMutation({ id }).then((res) => {
+  const handleDelete = async () => {
+    await executeDeleteMutation({ id }).then((res) => {
       if (res.data?.deleteNotification) {
         setIsOpen(false);
       }
diff --git a/apps/web/src/components/PoolCandidatesTable/PoolCandidatesTable.tsx b/apps/web/src/components/PoolCandidatesTable/PoolCandidatesTable.tsx
index 84a376d4db0..927b1411300 100644
--- a/apps/web/src/components/PoolCandidatesTable/PoolCandidatesTable.tsx
+++ b/apps/web/src/components/PoolCandidatesTable/PoolCandidatesTable.tsx
@@ -634,9 +634,9 @@ const PoolCandidatesTable = ({
   const handleDocDownload = (anonymous: boolean) => {
     if (selectedRows.length === 1) {
       downloadDoc({ id: selectedRows[0], anonymous })
-        .then((res) => {
+        .then(async (res) => {
           if (res?.data?.downloadPoolCandidateDoc) {
-            executeAsyncDownload({
+            await executeAsyncDownload({
               url: apiRoutes.userGeneratedFile(
                 res.data.downloadPoolCandidateDoc,
               ),
diff --git a/apps/web/src/components/QualifiedRecruitmentCard/QualifiedRecruitmentCard.tsx b/apps/web/src/components/QualifiedRecruitmentCard/QualifiedRecruitmentCard.tsx
index d2d2461d9be..cb6a69478a1 100644
--- a/apps/web/src/components/QualifiedRecruitmentCard/QualifiedRecruitmentCard.tsx
+++ b/apps/web/src/components/QualifiedRecruitmentCard/QualifiedRecruitmentCard.tsx
@@ -367,8 +367,8 @@ const QualifiedRecruitmentCard = ({
             color="black"
             fontSize="caption"
             icon={linkCopied ? CheckIcon : undefined}
-            onClick={() => {
-              navigator.clipboard.writeText(candidate.id);
+            onClick={async () => {
+              await navigator.clipboard.writeText(candidate.id);
               setLinkCopied(true);
             }}
             aria-label={intl.formatMessage(
diff --git a/apps/web/src/components/SkillBrowser/SkillBrowserDialog.tsx b/apps/web/src/components/SkillBrowser/SkillBrowserDialog.tsx
index 658042cd880..b955fd6ea0b 100644
--- a/apps/web/src/components/SkillBrowser/SkillBrowserDialog.tsx
+++ b/apps/web/src/components/SkillBrowser/SkillBrowserDialog.tsx
@@ -133,7 +133,7 @@ const SkillBrowserDialog = ({
 
   useEffect(() => {
     if (watchSkill) {
-      formTrigger("skill");
+      void formTrigger("skill");
     }
   }, [watchSkill, formTrigger]);
 
diff --git a/apps/web/src/hooks/useApplicationDownloads.ts b/apps/web/src/hooks/useApplicationDownloads.ts
index b8a5957d216..99a5258bcdf 100644
--- a/apps/web/src/hooks/useApplicationDownloads.ts
+++ b/apps/web/src/hooks/useApplicationDownloads.ts
@@ -52,9 +52,9 @@ const useApplicationDownloads = () => {
 
   const downloadDoc = ({ id }: { id: Scalars["UUID"]["input"] }) => {
     executeDocMutation({ id })
-      .then((res) => {
+      .then(async (res) => {
         if (res?.data?.downloadApplicationDoc) {
-          executeAsyncDownload({
+          await executeAsyncDownload({
             url: paths.userGeneratedFile(res.data.downloadApplicationDoc),
             fileName: res.data.downloadApplicationDoc,
           });
diff --git a/apps/web/src/hooks/usePoolMutations.ts b/apps/web/src/hooks/usePoolMutations.ts
index 7b99844acc4..859dbf070a6 100644
--- a/apps/web/src/hooks/usePoolMutations.ts
+++ b/apps/web/src/hooks/usePoolMutations.ts
@@ -205,7 +205,7 @@ const usePoolMutations = (returnPath?: string) => {
             }),
           );
         } else {
-          handleUpdateError();
+          void handleUpdateError();
         }
       })
       .catch(handleUpdateError);
diff --git a/apps/web/src/hooks/useUserDownloads.ts b/apps/web/src/hooks/useUserDownloads.ts
index ca1366d8ab9..45228971cf7 100644
--- a/apps/web/src/hooks/useUserDownloads.ts
+++ b/apps/web/src/hooks/useUserDownloads.ts
@@ -91,7 +91,7 @@ const useUserDownloads = () => {
           executeAsyncDownload({
             url: paths.userGeneratedFile(res.data.downloadUserDoc),
             fileName: res.data.downloadUserDoc,
-          });
+          }).catch(handleDownloadError);
         } else {
           handleDownloadError();
         }
diff --git a/apps/web/src/pages/Auth/RegistrationPages/GettingStartedPage/GettingStartedPage.tsx b/apps/web/src/pages/Auth/RegistrationPages/GettingStartedPage/GettingStartedPage.tsx
index 7885d502904..7c45e3beed4 100644
--- a/apps/web/src/pages/Auth/RegistrationPages/GettingStartedPage/GettingStartedPage.tsx
+++ b/apps/web/src/pages/Auth/RegistrationPages/GettingStartedPage/GettingStartedPage.tsx
@@ -271,8 +271,8 @@ export const GettingStartedForm = ({
     ],
   });
 
-  const onSubmit = (values: FormValues) => {
-    handleSubmit(
+  const onSubmit = async (values: FormValues) => {
+    await handleSubmit(
       {
         firstName: values.firstName,
         lastName: values.lastName,
@@ -402,9 +402,9 @@ const GettingStarted = () => {
         id,
         email: emptyToNull(generalInput.email),
       },
-    }).then((generalResult) => {
+    }).then(async (generalResult) => {
       if (generalResult.data?.updateUserAsUser) {
-        executeNotificationMutation({
+        await executeNotificationMutation({
           enabledEmailNotifications: notificationInput,
         }).then((notificationResult) => {
           if (notificationResult.data?.updateEnabledNotifications) {
diff --git a/apps/web/src/pages/Pools/EditPoolPage/components/AssetSkillsSection.tsx b/apps/web/src/pages/Pools/EditPoolPage/components/AssetSkillsSection.tsx
index cf31b8ae1aa..20996979008 100644
--- a/apps/web/src/pages/Pools/EditPoolPage/components/AssetSkillsSection.tsx
+++ b/apps/web/src/pages/Pools/EditPoolPage/components/AssetSkillsSection.tsx
@@ -75,7 +75,7 @@ const AssetSkillsSection = ({
     skillSelected: string,
     skillLevel: SkillLevel,
   ) => {
-    poolSkillMutations.create(pool.id, skillSelected, {
+    await poolSkillMutations.create(pool.id, skillSelected, {
       type: PoolSkillType.Nonessential,
       requiredLevel: skillLevel,
     });
@@ -85,13 +85,13 @@ const AssetSkillsSection = ({
     poolSkillSelected: string,
     skillLevel: SkillLevel,
   ) => {
-    poolSkillMutations.update(poolSkillSelected, {
+    await poolSkillMutations.update(poolSkillSelected, {
       requiredLevel: skillLevel,
     });
   };
 
   const handleRemove = async (poolSkillSelected: string) => {
-    poolSkillMutations.delete(poolSkillSelected);
+    await poolSkillMutations.delete(poolSkillSelected);
   };
 
   // disabled unless status is draft
diff --git a/apps/web/src/pages/Pools/EditPoolPage/components/EssentialSkillsSection.tsx b/apps/web/src/pages/Pools/EditPoolPage/components/EssentialSkillsSection.tsx
index 1de746fdc4e..df0cfe21859 100644
--- a/apps/web/src/pages/Pools/EditPoolPage/components/EssentialSkillsSection.tsx
+++ b/apps/web/src/pages/Pools/EditPoolPage/components/EssentialSkillsSection.tsx
@@ -75,7 +75,7 @@ const EssentialSkillsSection = ({
     skillSelected: string,
     skillLevel: SkillLevel,
   ) => {
-    poolSkillMutations.create(pool.id, skillSelected, {
+    await poolSkillMutations.create(pool.id, skillSelected, {
       type: PoolSkillType.Essential,
       requiredLevel: skillLevel,
     });
@@ -85,13 +85,13 @@ const EssentialSkillsSection = ({
     poolSkillSelected: string,
     skillLevel: SkillLevel,
   ) => {
-    poolSkillMutations.update(poolSkillSelected, {
+    await poolSkillMutations.update(poolSkillSelected, {
       requiredLevel: skillLevel,
     });
   };
 
   const handleRemove = async (poolSkillSelected: string) => {
-    poolSkillMutations.delete(poolSkillSelected);
+    await poolSkillMutations.delete(poolSkillSelected);
   };
 
   // disabled unless status is draft
diff --git a/apps/web/src/pages/Pools/EditPoolPage/components/GeneralQuestionsSection/GeneralQuestionsSection.tsx b/apps/web/src/pages/Pools/EditPoolPage/components/GeneralQuestionsSection/GeneralQuestionsSection.tsx
index 92bfb9ab5e3..9beb09bdd22 100644
--- a/apps/web/src/pages/Pools/EditPoolPage/components/GeneralQuestionsSection/GeneralQuestionsSection.tsx
+++ b/apps/web/src/pages/Pools/EditPoolPage/components/GeneralQuestionsSection/GeneralQuestionsSection.tsx
@@ -66,13 +66,13 @@ const GeneralQuestionsSection = ({
   );
   const { isSubmitting } = useEditPoolContext();
 
-  const handleUpdate = (newQuestions: GeneralQuestion[]) => {
+  const handleUpdate = async (newQuestions: GeneralQuestion[]) => {
     setIsUpdating(true);
     const generalQuestions = repeaterQuestionsToSubmitData(
       newQuestions,
       questions,
     );
-    onSave({ generalQuestions }).then(() => {
+    await onSave({ generalQuestions }).then(() => {
       setIsUpdating(false);
     });
   };
diff --git a/apps/web/src/pages/Pools/EditPoolPage/components/SkillTable.tsx b/apps/web/src/pages/Pools/EditPoolPage/components/SkillTable.tsx
index f79027dff50..647395d6933 100644
--- a/apps/web/src/pages/Pools/EditPoolPage/components/SkillTable.tsx
+++ b/apps/web/src/pages/Pools/EditPoolPage/components/SkillTable.tsx
@@ -72,7 +72,7 @@ const ActionCell = (
         }}
         onSave={async (value) => {
           if (value.skill && value.skillLevel) {
-            onUpdate(poolSkillId, value.skillLevel);
+            await onUpdate(poolSkillId, value.skillLevel);
           }
         }}
       />
@@ -204,7 +204,7 @@ const SkillTable = ({
                   skills={availableSkills}
                   onSave={async (value) => {
                     if (value.skill && value.skillLevel) {
-                      onCreate(value.skill, value.skillLevel);
+                      await onCreate(value.skill, value.skillLevel);
                     }
                   }}
                 />
diff --git a/apps/web/src/pages/Pools/EditPoolPage/components/UpdatePublishedProcessDialog/UpdatePublishedProcessDialog.tsx b/apps/web/src/pages/Pools/EditPoolPage/components/UpdatePublishedProcessDialog/UpdatePublishedProcessDialog.tsx
index eb05ce9114b..c0b3b0199cf 100644
--- a/apps/web/src/pages/Pools/EditPoolPage/components/UpdatePublishedProcessDialog/UpdatePublishedProcessDialog.tsx
+++ b/apps/web/src/pages/Pools/EditPoolPage/components/UpdatePublishedProcessDialog/UpdatePublishedProcessDialog.tsx
@@ -82,8 +82,8 @@ const UpdatePublishedProcessDialog = ({
     });
   };
 
-  const handleSave = () => {
-    methods.handleSubmit(handleUpdate)();
+  const handleSave = async () => {
+    await methods.handleSubmit(handleUpdate)();
   };
 
   const label = intl.formatMessage({
diff --git a/apps/web/src/pages/Pools/PoolAdvertisementPage/PoolAdvertisementPage.tsx b/apps/web/src/pages/Pools/PoolAdvertisementPage/PoolAdvertisementPage.tsx
index 9441bc2313f..efcb4838a46 100644
--- a/apps/web/src/pages/Pools/PoolAdvertisementPage/PoolAdvertisementPage.tsx
+++ b/apps/web/src/pages/Pools/PoolAdvertisementPage/PoolAdvertisementPage.tsx
@@ -549,8 +549,8 @@ export const PoolPoster = ({
                 mode="inline"
                 color="secondary"
                 icon={linkCopied ? CheckIcon : undefined}
-                onClick={() => {
-                  navigator.clipboard.writeText(window.location.href);
+                onClick={async () => {
+                  await navigator.clipboard.writeText(window.location.href);
                   setLinkCopied(true);
                   setTimeout(() => {
                     setLinkCopied(false);
diff --git a/apps/web/src/pages/Pools/ScreeningAndEvaluationPage/ScreeningAndEvaluationPage.tsx b/apps/web/src/pages/Pools/ScreeningAndEvaluationPage/ScreeningAndEvaluationPage.tsx
index 6b20bd630e0..31289014b3a 100644
--- a/apps/web/src/pages/Pools/ScreeningAndEvaluationPage/ScreeningAndEvaluationPage.tsx
+++ b/apps/web/src/pages/Pools/ScreeningAndEvaluationPage/ScreeningAndEvaluationPage.tsx
@@ -14,6 +14,7 @@ import {
 import { Pending, ThrowNotFound } from "@gc-digital-talent/ui";
 import { toast } from "@gc-digital-talent/toast";
 import { ROLE_NAME } from "@gc-digital-talent/auth";
+import { useLogger } from "@gc-digital-talent/logger";
 
 import useRequiredParams from "~/hooks/useRequiredParams";
 import AssessmentStepTracker, {
@@ -77,6 +78,7 @@ const ScreeningAndEvaluationPage = () => {
   const { poolId } = useRequiredParams<RouteParams>("poolId");
   const client = useClient();
   const intl = useIntl();
+  const logger = useLogger();
   const [fetchingCandidates, setFetchingCandidates] = useState<boolean>(true);
   const [candidates, setCandidates] = useState<
     FragmentType<typeof AssessmentStepTracker_CandidateFragment>[]
@@ -132,11 +134,11 @@ const ScreeningAndEvaluationPage = () => {
     [client, intl, lastPage],
   );
 
-  const handleFilterSubmit: SubmitHandler<FormValues> = (formData) => {
+  const handleFilterSubmit: SubmitHandler<FormValues> = async (formData) => {
     const transformedData: PoolCandidateSearchInput =
       transformFormValuesToFilterState(formData, poolId);
 
-    batchLoader(transformedData).then((res) => {
+    await batchLoader(transformedData).then((res) => {
       setCandidates(res);
     });
   };
@@ -147,9 +149,13 @@ const ScreeningAndEvaluationPage = () => {
         applicantFilter: { pools: [{ id: poolId }] },
         suspendedStatus: CandidateSuspendedFilter.Active,
         expiryStatus: CandidateExpiryFilter.Active,
-      }).then((res) => {
-        setCandidates(res);
-      });
+      })
+        .then((res) => {
+          setCandidates(res);
+        })
+        .catch((err) => {
+          logger.error(err);
+        });
     }
 
     // eslint-disable-next-line react-hooks/exhaustive-deps
diff --git a/apps/web/src/pages/Skills/components/SkillPortfolioTable.tsx b/apps/web/src/pages/Skills/components/SkillPortfolioTable.tsx
index 93726e70ab6..429b42ebd83 100644
--- a/apps/web/src/pages/Skills/components/SkillPortfolioTable.tsx
+++ b/apps/web/src/pages/Skills/components/SkillPortfolioTable.tsx
@@ -243,7 +243,7 @@ const SkillPortfolioTable = ({
             context="library"
             skills={unclaimedSkills}
             onSave={async (value) => {
-              executeCreateMutation({
+              await executeCreateMutation({
                 userId: userAuthInfo?.id ?? "",
                 skillId: value?.skill ?? "",
                 userSkill: {
diff --git a/packages/eslint-config-custom/index.js b/packages/eslint-config-custom/index.js
index 7d8d0a1800a..f16d0844856 100644
--- a/packages/eslint-config-custom/index.js
+++ b/packages/eslint-config-custom/index.js
@@ -102,7 +102,6 @@ module.exports = {
     "@typescript-eslint/only-throw-error": "off", // Remove in #11378
     "@typescript-eslint/no-misused-promises": "off", // Remove in #11379
     "@typescript-eslint/no-base-to-string": "off", // Remove in #11380
-    "@typescript-eslint/no-floating-promises": "off", // Remove in #11381
     "@typescript-eslint/prefer-promise-reject-errors": "off", // Remove in #11382
 
     // Remove in #11384
diff --git a/packages/forms/src/components/Combobox/Combobox.stories.tsx b/packages/forms/src/components/Combobox/Combobox.stories.tsx
index 06fb47b5f38..3e1022080fa 100644
--- a/packages/forms/src/components/Combobox/Combobox.stories.tsx
+++ b/packages/forms/src/components/Combobox/Combobox.stories.tsx
@@ -53,6 +53,7 @@ const Template: StoryFn<ComboboxType> = (args) => {
             .then((newOptions) => {
               setFilteredOptions(newOptions);
             })
+            .catch((err) => action("error")(err))
             .finally(() => {
               setIsSearching(false);
             });
diff --git a/packages/forms/src/components/DateInput/DateInput.stories.tsx b/packages/forms/src/components/DateInput/DateInput.stories.tsx
index 82235be2e25..693483f684a 100644
--- a/packages/forms/src/components/DateInput/DateInput.stories.tsx
+++ b/packages/forms/src/components/DateInput/DateInput.stories.tsx
@@ -204,6 +204,7 @@ const AsyncTemplate: StoryFn<AsyncArgs> = (args) => {
       .then((res: Pool) => {
         setPool(res);
       })
+      .catch((err) => action("error")(err))
       .finally(() => {
         setFetching(false);
       });
diff --git a/packages/forms/src/components/RichTextInput/LinkDialog.tsx b/packages/forms/src/components/RichTextInput/LinkDialog.tsx
index 4b704a33703..f1b74cce224 100644
--- a/packages/forms/src/components/RichTextInput/LinkDialog.tsx
+++ b/packages/forms/src/components/RichTextInput/LinkDialog.tsx
@@ -75,9 +75,9 @@ const LinkDialog = ({ editor }: LinkDialogProps) => {
   const methods = useForm<FormValues>();
   const actionProps = methods.register("action");
 
-  const handleSave = (action: FormValues["action"]) => {
+  const handleSave = async (action: FormValues["action"]) => {
     methods.setValue("action", action);
-    methods.handleSubmit(handleSubmit)();
+    await methods.handleSubmit(handleSubmit)();
   };
 
   const handleOpenChange = (newOpen: boolean) => {
@@ -102,7 +102,7 @@ const LinkDialog = ({ editor }: LinkDialogProps) => {
   const handleKeyDown: KeyboardEventHandler = (e) => {
     if (e.key === "Enter") {
       e.preventDefault();
-      handleSave("add");
+      void handleSave("add");
     }
   };