diff --git a/src/app/[locale]/contact/page.tsx b/src/app/[locale]/contact/page.tsx
index 2bded31..237f3e6 100644
--- a/src/app/[locale]/contact/page.tsx
+++ b/src/app/[locale]/contact/page.tsx
@@ -2,7 +2,7 @@ import { setRequestLocale } from 'next-intl/server';
 import type { Metadata } from 'next';
 import { getTranslations } from 'next-intl/server';
 import { ContactForm } from '@/components/contact';
-import { BreadcrumbJsonLd, WebPageJsonLd } from '@/components/seo';
+import { BreadcrumbJsonLd, WebPageJsonLd, ContactPageJsonLd } from '@/components/seo';
 import { type Locale } from '@/i18n/config';
 
 type Props = {
@@ -80,6 +80,7 @@ export default async function ContactPage({ params }: Props) {
         url={`/${locale}/contact`}
         locale={locale as Locale}
       />
+      <ContactPageJsonLd locale={locale as Locale} />
       <ContactForm />
     </>
   );
diff --git a/src/app/[locale]/portfolio/page.tsx b/src/app/[locale]/portfolio/page.tsx
index 96b2e3e..9aac3fe 100644
--- a/src/app/[locale]/portfolio/page.tsx
+++ b/src/app/[locale]/portfolio/page.tsx
@@ -2,6 +2,8 @@ import { setRequestLocale } from 'next-intl/server';
 import type { Metadata } from 'next';
 import { getTranslations } from 'next-intl/server';
 import { PortfolioGrid } from '@/components/portfolio';
+import { BreadcrumbJsonLd, CollectionPageJsonLd } from '@/components/seo';
+import { type Locale } from '@/i18n/config';
 
 type Props = {
   params: Promise<{ locale: string }>;
@@ -165,8 +167,25 @@ export default async function PortfolioPage({ params }: Props) {
 
   const t = await getTranslations('portfolio');
 
+  const breadcrumbItems = [
+    { name: locale === 'de' ? 'Start' : locale === 'sr' ? 'Početna' : 'Home', url: `/${locale}` },
+    { name: 'Portfolio', url: `/${locale}/portfolio` },
+  ];
+
+  // Transform projects for JSON-LD schema
+  const portfolioProjects = projects.map((project) => ({
+    name: project.title,
+    description: project.description,
+    url: `/${locale}/portfolio/${project.slug}`,
+    dateCreated: project.date,
+    technologies: project.technologies,
+  }));
+
   return (
     <div className="relative min-h-screen">
+      <BreadcrumbJsonLd items={breadcrumbItems} locale={locale as Locale} />
+      <CollectionPageJsonLd locale={locale as Locale} projects={portfolioProjects} />
+
       <section className="py-24">
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
           <div className="text-center mb-16">
diff --git a/src/components/seo/JsonLd.tsx b/src/components/seo/JsonLd.tsx
index 0077eba..60ab37a 100644
--- a/src/components/seo/JsonLd.tsx
+++ b/src/components/seo/JsonLd.tsx
@@ -25,7 +25,12 @@ export function PersonJsonLd({ locale }: JsonLdProps) {
       ? 'Razvoj AI agenata i rešenja za automatizaciju. Od voice AI platformi do autonomnih web agenata.'
       : 'Remote AI developer building AI agents and automation solutions for clients in USA, UK and Europe. From voice AI platforms to autonomous web agents.',
     url: baseUrl,
-    image: `${baseUrl}/images/og-image.jpg`,
+    image: {
+      '@type': 'ImageObject',
+      url: `${baseUrl}/images/og-image.jpg`,
+      width: 1200,
+      height: 630,
+    },
     email: 'info@damjan-savic.com',
     telephone: '+491756950979',
     address: {
@@ -34,6 +39,33 @@ export function PersonJsonLd({ locale }: JsonLdProps) {
       addressRegion: 'NRW',
       addressCountry: 'DE',
     },
+    // Languages known
+    knowsLanguage: [
+      { '@type': 'Language', name: 'German', alternateName: 'de' },
+      { '@type': 'Language', name: 'English', alternateName: 'en' },
+      { '@type': 'Language', name: 'Serbian', alternateName: 'sr' },
+    ],
+    // Current occupation
+    hasOccupation: {
+      '@type': 'Occupation',
+      name: locale === 'de' ? 'Freelance KI-Entwickler' : locale === 'sr' ? 'Freelance AI Developer' : 'Freelance AI Developer',
+      occupationLocation: {
+        '@type': 'City',
+        name: locale === 'sr' ? 'Keln' : locale === 'en' ? 'Cologne' : 'Köln',
+      },
+      skills: [
+        'AI Development',
+        'Process Automation',
+        'Voice AI',
+        'n8n Workflows',
+        'SaaS Development',
+        'Full-Stack Development',
+      ],
+    },
+    // Works for self (freelancer)
+    worksFor: {
+      '@id': `${baseUrl}/#business`,
+    },
     sameAs: [
       'https://www.linkedin.com/in/damjansavic/',
       'https://github.com/damjansavic',
@@ -50,6 +82,9 @@ export function PersonJsonLd({ locale }: JsonLdProps) {
       'Next.js',
       'n8n',
       'SaaS Development',
+      'Claude AI',
+      'GPT-4',
+      'LangChain',
     ],
     alumniOf: [
       {
@@ -69,6 +104,11 @@ export function PersonJsonLd({ locale }: JsonLdProps) {
         credentialCategory: 'degree',
       },
     ],
+    // Nationality for geo-targeting
+    nationality: {
+      '@type': 'Country',
+      name: 'Germany',
+    },
   };
 
   return (
@@ -719,7 +759,7 @@ export function SoftwareAppJsonLd({
   );
 }
 
-// WebSite Schema for Search Box
+// WebSite Schema for Search Box with SearchAction
 export function WebSiteJsonLd({ locale }: JsonLdProps) {
   const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://damjan-savic.com';
 
@@ -747,6 +787,197 @@ export function WebSiteJsonLd({ locale }: JsonLdProps) {
       { '@type': 'Language', name: 'English', alternateName: 'en' },
       { '@type': 'Language', name: 'Serbian', alternateName: 'sr' },
     ],
+    // Potential site search action (for future implementation)
+    potentialAction: {
+      '@type': 'SearchAction',
+      target: {
+        '@type': 'EntryPoint',
+        urlTemplate: `${baseUrl}/${locale}/portfolio?search={search_term_string}`,
+      },
+      'query-input': 'required name=search_term_string',
+    },
+  };
+
+  return (
+    <script
+      type="application/ld+json"
+      dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
+    />
+  );
+}
+
+// ContactPage Schema for Contact Page
+export function ContactPageJsonLd({ locale }: JsonLdProps) {
+  const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://damjan-savic.com';
+
+  const schema = {
+    '@context': 'https://schema.org',
+    '@type': 'ContactPage',
+    '@id': `${baseUrl}/${locale}/contact/#webpage`,
+    name: locale === 'de'
+      ? 'Kontakt - Damjan Savić'
+      : locale === 'sr'
+      ? 'Kontakt - Damjan Savić'
+      : 'Contact - Damjan Savić',
+    description: locale === 'de'
+      ? 'Kontaktieren Sie Damjan Savić für KI-Entwicklung, Prozessautomatisierung und SaaS-Projekte.'
+      : locale === 'sr'
+      ? 'Kontaktirajte Damjana Savića za AI razvoj, automatizaciju procesa i SaaS projekte.'
+      : 'Contact Damjan Savić for AI development, process automation, and SaaS projects.',
+    url: `${baseUrl}/${locale}/contact`,
+    inLanguage: locale === 'de' ? 'de-DE' : locale === 'sr' ? 'sr-RS' : 'en-US',
+    isPartOf: {
+      '@id': `${baseUrl}/#website`,
+    },
+    about: {
+      '@id': `${baseUrl}/#person`,
+    },
+    mainEntity: {
+      '@type': 'ContactPoint',
+      contactType: locale === 'de' ? 'Kundenservice' : locale === 'sr' ? 'Korisnička podrška' : 'customer service',
+      email: 'info@damjan-savic.com',
+      telephone: '+491756950979',
+      availableLanguage: [
+        { '@type': 'Language', name: 'German' },
+        { '@type': 'Language', name: 'English' },
+        { '@type': 'Language', name: 'Serbian' },
+      ],
+      areaServed: [
+        { '@type': 'Country', name: 'Germany' },
+        { '@type': 'Country', name: 'United States' },
+        { '@type': 'Country', name: 'United Kingdom' },
+        { '@type': 'Country', name: 'Austria' },
+        { '@type': 'Country', name: 'Switzerland' },
+        { '@type': 'Country', name: 'Serbia' },
+      ],
+    },
+  };
+
+  return (
+    <script
+      type="application/ld+json"
+      dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
+    />
+  );
+}
+
+// CollectionPage Schema for Portfolio with ItemList
+interface PortfolioProject {
+  name: string;
+  description: string;
+  url: string;
+  image?: string;
+  dateCreated?: string;
+  technologies?: string[];
+}
+
+export function CollectionPageJsonLd({
+  locale,
+  projects,
+}: {
+  locale: Locale;
+  projects: PortfolioProject[];
+}) {
+  const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://damjan-savic.com';
+
+  const schema = {
+    '@context': 'https://schema.org',
+    '@type': 'CollectionPage',
+    '@id': `${baseUrl}/${locale}/portfolio/#webpage`,
+    name: locale === 'de'
+      ? 'Portfolio - Damjan Savić'
+      : locale === 'sr'
+      ? 'Portfolio - Damjan Savić'
+      : 'Portfolio - Damjan Savić',
+    description: locale === 'de'
+      ? 'Ausgewählte KI- und Automatisierungsprojekte von Damjan Savić. Von Voice AI bis n8n-Workflows.'
+      : locale === 'sr'
+      ? 'Odabrani AI i automatizacija projekti Damjana Savića. Od Voice AI do n8n workflow-ova.'
+      : 'Selected AI and automation projects by Damjan Savić. From Voice AI to n8n workflows.',
+    url: `${baseUrl}/${locale}/portfolio`,
+    inLanguage: locale === 'de' ? 'de-DE' : locale === 'sr' ? 'sr-RS' : 'en-US',
+    isPartOf: {
+      '@id': `${baseUrl}/#website`,
+    },
+    author: {
+      '@id': `${baseUrl}/#person`,
+    },
+    mainEntity: {
+      '@type': 'ItemList',
+      itemListElement: projects.map((project, index) => ({
+        '@type': 'ListItem',
+        position: index + 1,
+        item: {
+          '@type': 'CreativeWork',
+          name: project.name,
+          description: project.description,
+          url: project.url.startsWith('http') ? project.url : `${baseUrl}${project.url}`,
+          ...(project.image && {
+            image: project.image.startsWith('http') ? project.image : `${baseUrl}${project.image}`,
+          }),
+          ...(project.dateCreated && { dateCreated: project.dateCreated }),
+          ...(project.technologies && {
+            keywords: project.technologies.join(', '),
+          }),
+          author: {
+            '@id': `${baseUrl}/#person`,
+          },
+        },
+      })),
+      numberOfItems: projects.length,
+    },
+  };
+
+  return (
+    <script
+      type="application/ld+json"
+      dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
+    />
+  );
+}
+
+// Generic ItemList Schema for any list of items
+interface ItemListItem {
+  name: string;
+  description?: string;
+  url?: string;
+  image?: string;
+}
+
+export function ItemListJsonLd({
+  name,
+  description,
+  items,
+  itemType = 'ListItem',
+  locale,
+}: {
+  name: string;
+  description?: string;
+  items: ItemListItem[];
+  itemType?: string;
+  locale: Locale;
+}) {
+  const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://damjan-savic.com';
+
+  const schema = {
+    '@context': 'https://schema.org',
+    '@type': 'ItemList',
+    name: name,
+    ...(description && { description }),
+    inLanguage: locale === 'de' ? 'de-DE' : locale === 'sr' ? 'sr-RS' : 'en-US',
+    itemListElement: items.map((item, index) => ({
+      '@type': itemType,
+      position: index + 1,
+      name: item.name,
+      ...(item.description && { description: item.description }),
+      ...(item.url && {
+        url: item.url.startsWith('http') ? item.url : `${baseUrl}${item.url}`,
+      }),
+      ...(item.image && {
+        image: item.image.startsWith('http') ? item.image : `${baseUrl}${item.image}`,
+      }),
+    })),
+    numberOfItems: items.length,
   };
 
   return (
diff --git a/src/components/seo/index.ts b/src/components/seo/index.ts
index ef4bc7f..de6bb1c 100644
--- a/src/components/seo/index.ts
+++ b/src/components/seo/index.ts
@@ -12,4 +12,7 @@ export {
   ProfilePageJsonLd,
   VideoJsonLd,
   SoftwareAppJsonLd,
+  ContactPageJsonLd,
+  CollectionPageJsonLd,
+  ItemListJsonLd,
 } from './JsonLd';