diff --git a/src/constants.js b/src/constants.js
index 8bec536..79c5699 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -1,7 +1,14 @@
 const DEFAULT_SESSION_DURATION_SECONDS = 60 * 60 * 24 * 30;
 const DEFAULT_NOSTR_CHALLENGE_DURATION_SECONDS = 60 * 60 * 24 * 30;
+const DEFAULT_REDIRECT_DELAY = 3 * 1000; // 3seconds times milliseconds;
+
+const API_PATHS = {
+  createProfile: '/createProfile',
+};
 
 module.exports = {
   DEFAULT_SESSION_DURATION_SECONDS,
   DEFAULT_NOSTR_CHALLENGE_DURATION_SECONDS,
+  API_PATHS,
+  DEFAULT_REDIRECT_DELAY,
 };
diff --git a/src/front/components/NostrSignUpButton.js b/src/front/components/NostrSignUpButton.js
new file mode 100644
index 0000000..e69de29
diff --git a/src/front/pages/invite.js b/src/front/pages/invite.js
index bca4e92..d8f1672 100644
--- a/src/front/pages/invite.js
+++ b/src/front/pages/invite.js
@@ -1,6 +1,63 @@
 const checkNostrExtension = require('../utils/checkNostrExtension');
+const signupService = require('../services/signupService');
+const constants = require('../../constants');
+
+class NostrSignupButton {
+  constructor({ parentElement, id, onClickCallback }) {
+    this.element = null;
+    this.parentElement = parentElement;
+    this.id = id;
+    this.onClickCallback = onClickCallback;
+  }
+
+  render() {
+    const thisButton = document.createElement('button');
+    thisButton.id = this.id;
+    thisButton.type = 'submit';
+    thisButton.className = 'button-large button-nostr';
+
+    const figure = document.createElement('figure');
+
+    const img = document.createElement('img');
+    img.src = '/img/white_ostrich.svg';
+    img.style.width = '40%';
+    img.style.margin = '-5% -5%';
+
+    figure.appendChild(img);
+
+    const paragraph = document.createElement('p');
+    paragraph.textContent = 'Alta con Nostr';
+
+    thisButton.appendChild(figure);
+    thisButton.appendChild(paragraph);
+
+    thisButton.addEventListener('click', () => {
+      this.onClickCallback();
+    });
+
+    this.element = thisButton;
+    this.parentElement.appendChild(this.element);
+  }
+
+  disable() {
+    this.element.disabled = true;
+  }
+}
+
+const nostrSignupArea = document.getElementById('nostr-signup-area');
+const noExtensionNudges = document.getElementById('no-extension-nudges');
+const signUpSuccessNotification = document.getElementById('sign-up-success');
 
 const invitesFunction = () => {
+  const signupButton = new NostrSignupButton({
+    parentElement: nostrSignupArea,
+    id: 'nostr-signup-button',
+    onClickCallback: () => {
+      acceptInvite();
+    },
+  });
+  signupButton.render();
+
   window.onload = () => {
     checkNostrExtension(
       window,
@@ -9,81 +66,27 @@ const invitesFunction = () => {
       },
       () => {
         console.log('Nostr extension not present');
-        document.querySelector('#nostr-signup-button').disabled = true;
-        document.querySelector('#no-extension-nudges').style.display = 'block';
+        signupButton.disable();
+        noExtensionNudges.style.display = 'block';
       }
     );
   };
 
-  const signUpConfirmation = document.querySelector('#sign-up-success');
-
   function showConfirmationAndRedirect() {
-    signUpConfirmation.classList.add('revealed');
+    signUpSuccessNotification.classList.add('revealed');
     setTimeout(() => {
-      window.location.href = '/createProfile';
-    }, 5000);
+      window.location.href = constants.API_PATHS.createProfile;
+    }, constants.DEFAULT_REDIRECT_DELAY);
   }
 
   async function acceptInvite() {
-    let challengeResponse;
-    try {
-      challengeResponse = await fetch('/api/signup/nostr-challenge', {
-        method: 'GET',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-      });
-    } catch (error) {
-      console.log(`Something went wrong: ${error}`);
-      return;
-    }
-
-    const { challenge } = await challengeResponse.json();
-
-    let pubkey;
-    try {
-      pubkey = await window.nostr.getPublicKey();
-    } catch (error) {
-      document.querySelector('#rejected-nostr-nudges').style.display = 'block';
-      return;
-    }
-    const event = {
-      kind: 22242,
-      created_at: Math.floor(Date.now() / 1000),
-      tags: [['challenge', challenge]],
-      content: 'Sign this challenge to authenticate',
-      pubkey: pubkey,
-    };
-
-    let signedEvent;
-    try {
-      signedEvent = await window.nostr.signEvent(event);
-    } catch (error) {
-      document.querySelector('#rejected-nostr-nudges').style.display = 'block';
-      return;
-    }
-
-    let verifyResponse;
-    try {
-      verifyResponse = await fetch('/api/signup/nostr-verify', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify(signedEvent),
-      });
-    } catch (error) {
-      console.log(`Something went wrong: ${error}`);
-      return;
-    }
+    const verifyResponse =
+      await signupService.requestAndRespondSignUpChallenge();
 
     if (verifyResponse.ok) {
       showConfirmationAndRedirect();
     }
   }
-
-  const signUpButton = document.getElementById('nostr-signup-button');
-  signUpButton.addEventListener('click', () => {
-    acceptInvite();
-  });
 };
 
 invitesFunction();
diff --git a/src/front/services/signupService.js b/src/front/services/signupService.js
new file mode 100644
index 0000000..03f2469
--- /dev/null
+++ b/src/front/services/signupService.js
@@ -0,0 +1,57 @@
+const requestAndRespondSignUpChallenge = async () => {
+  let challengeResponse;
+  try {
+    challengeResponse = await fetch('/api/signup/nostr-challenge', {
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+    });
+  } catch (error) {
+    console.log(`Something went wrong: ${error}`);
+    return;
+  }
+
+  const { challenge } = await challengeResponse.json();
+
+  let pubkey;
+  try {
+    pubkey = await window.nostr.getPublicKey();
+  } catch (error) {
+    document.querySelector('#rejected-nostr-nudges').style.display = 'block';
+    return;
+  }
+  const event = {
+    kind: 22242,
+    created_at: Math.floor(Date.now() / 1000),
+    tags: [['challenge', challenge]],
+    content: 'Sign this challenge to authenticate',
+    pubkey: pubkey,
+  };
+
+  let signedEvent;
+  try {
+    signedEvent = await window.nostr.signEvent(event);
+  } catch (error) {
+    document.querySelector('#rejected-nostr-nudges').style.display = 'block';
+    return;
+  }
+
+  let verifyResponse;
+  try {
+    verifyResponse = await fetch('/api/signup/nostr-verify', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(signedEvent),
+    });
+  } catch (error) {
+    console.log(`Something went wrong: ${error}`);
+    return;
+  }
+
+  return verifyResponse;
+};
+
+module.exports = {
+  requestAndRespondSignUpChallenge,
+};
diff --git a/src/views/invite.ejs b/src/views/invite.ejs
index d7d8f79..5319a26 100644
--- a/src/views/invite.ejs
+++ b/src/views/invite.ejs
@@ -21,21 +21,8 @@
             />
           </figure>
           <p>Usa tu extensión de Nostr para darte de alta:</p>
-          <div>
-            <button
-              id="nostr-signup-button"
-              type="submit"
-              class="button-large button-nostr"
-            >
-              <figure>
-                <img
-                  src="/img/white_ostrich.svg"
-                  width="40%"
-                  margin="-5% -5%"
-                />
-              </figure>
-              <p>Alta con Nostr</p>
-            </button>
+          <div id="nostr-signup-area">
+            
           </div>
           <div
             id="rejected-nostr-nudges"