diff --git a/frontend/app/hooks/useLanguage.tsx b/frontend/app/hooks/useLanguage.tsx
index bc312d5..57c23a1 100644
--- a/frontend/app/hooks/useLanguage.tsx
+++ b/frontend/app/hooks/useLanguage.tsx
@@ -21,8 +21,12 @@ export function LanguageProvider({ children }: { children: ReactNode }) {
   // Load locale from localStorage on mount
   useEffect(() => {
     const stored = localStorage.getItem(LOCALE_STORAGE_KEY);
+    console.log("[useLanguage] Loading locale from localStorage:", stored);
     if (stored && (stored === "es" || stored === "en" || stored === "ca")) {
+      console.log("[useLanguage] Setting locale to:", stored);
       setLocaleState(stored as Locale);
+    } else {
+      console.log("[useLanguage] No valid stored locale, using default:", DEFAULT_LOCALE);
     }
     setIsHydrated(true);
   }, []);
diff --git a/frontend/app/profile/page.test.tsx b/frontend/app/profile/page.test.tsx
index aeb0ee8..f6eecab 100644
--- a/frontend/app/profile/page.test.tsx
+++ b/frontend/app/profile/page.test.tsx
@@ -123,7 +123,7 @@ describe("ProfilePage - Display", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
   });
 
@@ -143,7 +143,7 @@ describe("ProfilePage - Display", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      expect(screen.getByText("Read only")).toBeDefined();
+      expect(screen.getByText("Solo lectura")).toBeDefined();
     });
   });
 
@@ -152,7 +152,7 @@ describe("ProfilePage - Display", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      expect(screen.getByText(/cannot be changed/i)).toBeDefined();
+      expect(screen.getByText(/no se puede cambiar/i)).toBeDefined();
     });
   });
 
@@ -161,7 +161,7 @@ describe("ProfilePage - Display", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      expect(screen.getByText(/communication purposes only/i)).toBeDefined();
+      expect(screen.getByText(/fines de comunicación/i)).toBeDefined();
     });
   });
 
@@ -220,8 +220,8 @@ describe("ProfilePage - Navigation", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      // My Profile should be visible (as current page indicator)
-      const navItems = screen.getAllByText("My Profile");
+      // Mi Perfil should be visible (as current page indicator)
+      const navItems = screen.getAllByText("Mi Perfil");
       expect(navItems.length).toBeGreaterThan(0);
     });
   });
@@ -294,7 +294,7 @@ describe("ProfilePage - Form Behavior", () => {
 
     renderWithProviders(<ProfilePage />);
     await waitFor(() => {
-      const submitButton = screen.getByRole("button", { name: /save changes/i });
+      const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
       expect(submitButton).toHaveProperty("disabled", true);
     });
   });
@@ -312,7 +312,7 @@ describe("ProfilePage - Form Behavior", () => {
     fireEvent.change(telegramInput, { target: { value: "@newhandle" } });
 
     await waitFor(() => {
-      const submitButton = screen.getByRole("button", { name: /save changes/i });
+      const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
       expect(submitButton).toHaveProperty("disabled", false);
     });
   });
@@ -328,7 +328,7 @@ describe("ProfilePage - Form Behavior", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     const telegramInput = document.getElementById("telegram") as HTMLInputElement;
@@ -350,7 +350,7 @@ describe("ProfilePage - Form Behavior", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     const telegramInput = document.getElementById("telegram") as HTMLInputElement;
@@ -387,7 +387,7 @@ describe("ProfilePage - Form Submission", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     // Change email
@@ -395,11 +395,11 @@ describe("ProfilePage - Form Submission", () => {
     fireEvent.change(emailInput, { target: { value: "new@example.com" } });
 
     // Submit
-    const submitButton = screen.getByRole("button", { name: /save changes/i });
+    const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
     fireEvent.click(submitButton);
 
     await waitFor(() => {
-      expect(screen.getByText(/saved successfully/i)).toBeDefined();
+      expect(screen.getByText(/guardado exitosamente/i)).toBeDefined();
     });
 
     // Verify updateProfile was called
@@ -433,7 +433,7 @@ describe("ProfilePage - Form Submission", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     // Enter a value that passes frontend validation but fails backend
@@ -441,7 +441,7 @@ describe("ProfilePage - Form Submission", () => {
     fireEvent.change(telegramInput, { target: { value: "@validfrontend" } });
 
     // Submit
-    const submitButton = screen.getByRole("button", { name: /save changes/i });
+    const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
     fireEvent.click(submitButton);
 
     await waitFor(() => {
@@ -461,7 +461,7 @@ describe("ProfilePage - Form Submission", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     // Change something
@@ -469,7 +469,7 @@ describe("ProfilePage - Form Submission", () => {
     fireEvent.change(emailInput, { target: { value: "new@example.com" } });
 
     // Submit
-    const submitButton = screen.getByRole("button", { name: /save changes/i });
+    const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
     fireEvent.click(submitButton);
 
     await waitFor(() => {
@@ -504,7 +504,7 @@ describe("ProfilePage - Form Submission", () => {
     renderWithProviders(<ProfilePage />);
 
     await waitFor(() => {
-      expect(screen.getByRole("heading", { name: "My Profile" })).toBeDefined();
+      expect(screen.getByRole("heading", { name: "Mi Perfil" })).toBeDefined();
     });
 
     // Change something
@@ -512,11 +512,11 @@ describe("ProfilePage - Form Submission", () => {
     fireEvent.change(emailInput, { target: { value: "new@example.com" } });
 
     // Submit
-    const submitButton = screen.getByRole("button", { name: /save changes/i });
+    const submitButton = screen.getByRole("button", { name: /guardar cambios/i });
     fireEvent.click(submitButton);
 
     await waitFor(() => {
-      expect(screen.getByText("Saving...")).toBeDefined();
+      expect(screen.getByText("Guardando...")).toBeDefined();
     });
 
     // Resolve the promise
@@ -528,7 +528,7 @@ describe("ProfilePage - Form Submission", () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByRole("button", { name: /save changes/i })).toBeDefined();
+      expect(screen.getByRole("button", { name: /guardar cambios/i })).toBeDefined();
     });
   });
 });
diff --git a/frontend/e2e/exchange.spec.ts b/frontend/e2e/exchange.spec.ts
index fed0c90..87a017f 100644
--- a/frontend/e2e/exchange.spec.ts
+++ b/frontend/e2e/exchange.spec.ts
@@ -35,7 +35,13 @@ async function setAvailability(page: Page, dateStr: string) {
 }
 
 test.describe("Exchange Page - Regular User Access", () => {
-  test.beforeEach(async ({ page }) => {
+  test.beforeEach(async ({ context, page }) => {
+    // Set English language before any navigation
+    await context.addInitScript(() => {
+      if (typeof window !== "undefined") {
+        window.localStorage.setItem("arbret-locale", "en");
+      }
+    });
     await clearAuth(page);
     await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
   });
@@ -63,7 +69,9 @@ test.describe("Exchange Page - Regular User Access", () => {
 
     // Test clicking buy/sell changes direction
     await page.getByRole("button", { name: "Sell BTC" }).click();
-    await expect(page.getByText(/You buy €\d/)).toBeVisible();
+    // The summary text is split across elements, so we check for the text parts separately
+    await expect(page.getByText(/You buy/)).toBeVisible();
+    await expect(page.getByText(/€\d/)).toBeVisible();
 
     // Test payment method selector
     await expect(page.getByText("Payment Method")).toBeVisible();
diff --git a/frontend/e2e/helpers/setup.ts b/frontend/e2e/helpers/setup.ts
index 8174eb7..0dfec92 100644
--- a/frontend/e2e/helpers/setup.ts
+++ b/frontend/e2e/helpers/setup.ts
@@ -1,12 +1,16 @@
-import { Page } from "@playwright/test";
+import { test } from "@playwright/test";
 
 /**
  * Set language to English for e2e tests.
  * E2E tests should only test in English according to requirements.
- * Call this in beforeEach hooks in test files.
+ * This is applied globally via test.beforeEach in the setup file.
  */
-export async function setEnglishLanguage(page: Page) {
-  await page.addInitScript(() => {
-    window.localStorage.setItem("arbret-locale", "en");
+test.beforeEach(async ({ context }) => {
+  // Add init script to set English language before any page loads
+  // This must be called before any page.goto() calls
+  await context.addInitScript(() => {
+    if (typeof window !== "undefined") {
+      window.localStorage.setItem("arbret-locale", "en");
+    }
   });
-}
+});
diff --git a/frontend/e2e/profile.spec.ts b/frontend/e2e/profile.spec.ts
index 4525e34..ef144e9 100644
--- a/frontend/e2e/profile.spec.ts
+++ b/frontend/e2e/profile.spec.ts
@@ -70,7 +70,13 @@ async function clearProfileData(page: Page) {
 }
 
 test.describe("Profile - Regular User Access", () => {
-  test.beforeEach(async ({ page }) => {
+  test.beforeEach(async ({ context, page }) => {
+    // Set English language before any navigation
+    await context.addInitScript(() => {
+      if (typeof window !== "undefined") {
+        window.localStorage.setItem("arbret-locale", "en");
+      }
+    });
     await clearAuth(page);
     await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
   });
diff --git a/frontend/playwright.config.ts b/frontend/playwright.config.ts
index daf2340..ebc1a25 100644
--- a/frontend/playwright.config.ts
+++ b/frontend/playwright.config.ts
@@ -20,21 +20,5 @@ export default defineConfig({
     // Reduce screenshot/recording overhead
     screenshot: "only-on-failure",
     trace: "retain-on-failure",
-    // Set language to English for all e2e tests via localStorage
-    // E2E tests should only test in English according to requirements
-    storageState: {
-      cookies: [],
-      origins: [
-        {
-          origin: "http://localhost:3000",
-          localStorage: [
-            {
-              name: "arbret-locale",
-              value: "en",
-            },
-          ],
-        },
-      ],
-    },
   },
 });