diff --git a/apps/portal/src/app/features/seafarer/pages/SeafarerRegistrationPage.tsx b/apps/portal/src/app/features/seafarer/pages/SeafarerRegistrationPage.tsx
index a44e787f8..6d1131330 100644
--- a/apps/portal/src/app/features/seafarer/pages/SeafarerRegistrationPage.tsx
+++ b/apps/portal/src/app/features/seafarer/pages/SeafarerRegistrationPage.tsx
@@ -1,6 +1,6 @@
 import { useRef, useState } from 'react';
-import { useApiMutation } from '@ema-platform/api';
-import { useAppSelector } from '../../../store/hooks';
+import { useCurrentProfile, useUpdateMyProfileMutation } from '@ema-platform/auth';
+import { useSaveMyAddressMutation } from '../../profile/api/address-api';
 import {
   Alert,
   Badge,
@@ -249,12 +249,15 @@ function DocCard({
 // ---------------------------------------------------------------------------
 export function SeafarerRegistrationPage() {
   const navigate = useNavigate();
-  const user = useAppSelector((state) => state.auth.user);
+  // Every signed-in user already has a profile (`/profiles/me` provisions
+  // one), so registering fills that row in rather than creating a second —
+  // POST /profiles trips the unique user_id constraint.
+  const { profileId } = useCurrentProfile();
   const [active, setActive] = useState(0);
   const [completed, setCompleted] = useState<number[]>([]);
   const [submitting, setSubmitting] = useState(false);
-  const [profileTrigger] = useApiMutation<{ id: string }>();
-  const [addressTrigger] = useApiMutation<unknown>();
+  const [updateProfile] = useUpdateMyProfileMutation();
+  const [saveAddress] = useSaveMyAddressMutation();
 
   // Step 1 — Personal Information
   const [firstName, setFirstName] = useState<BilingualValue>({ en: '', am: '' });
@@ -301,13 +304,12 @@ export function SeafarerRegistrationPage() {
   const prev = () => setActive((c) => c - 1);
 
   const handleSubmit = async () => {
+    if (!profileId) return;
     setSubmitting(true);
     try {
-      const profileResult = await profileTrigger({
-        url: '/profiles',
-        method: 'POST',
+      await updateProfile({
+        id: profileId,
         body: {
-          userId: user?.id,
           type: 'SEAFARER',
           firstName: firstName.en,
           middleName: middleName.en || undefined,
@@ -319,15 +321,15 @@ export function SeafarerRegistrationPage() {
         },
       }).unwrap();
 
-      await addressTrigger({
-        url: `/addresss/profile/${profileResult.id}`,
-        method: 'POST',
+      await saveAddress({
+        profileId,
         body: {
           idType: 'NID',
           idNumber: nationalIdNumber,
           nationality: nationality ?? 'Ethiopian',
           primaryPhoneNumber: mobile,
           email: email || undefined,
+          website: null,
           streetAddress: permanentAddress || undefined,
           emergencyContactName: emergencyName || undefined,
           emergencyContactPhone: emergencyPhone || undefined,
@@ -335,7 +337,7 @@ export function SeafarerRegistrationPage() {
         },
       }).unwrap();
 
-      notify.success(`Registration submitted! Profile ID: ${profileResult.id.slice(0, 8).toUpperCase()}`);
+      notify.success(`Registration submitted! Profile ID: ${profileId.slice(0, 8).toUpperCase()}`);
       navigate('/seafarer-registry');
     } catch {
       notify.error('Submission failed. Please try again.');