diff --git a/portfolio/css/custom.css b/portfolio/css/custom.css
index a88d146..a57b11d 100644
--- a/portfolio/css/custom.css
+++ b/portfolio/css/custom.css
@@ -30,4 +30,16 @@ footer {
 /* Japanese learning notes text colours. */
 span.jc-1 {
   color: mediumvioletred;
+}
+
+.cert-link {
+    display: inline-flex;
+    flex-direction: column;
+    align-items: center;
+    text-align: center;
+    text-decoration: none;
+}
+
+.cert-link img {
+    margin-bottom: 0.5rem;
 }
\ No newline at end of file
diff --git a/portfolio/en/software.html b/portfolio/en/software.html
index 6d552bf..face482 100644
--- a/portfolio/en/software.html
+++ b/portfolio/en/software.html
@@ -23,6 +23,25 @@ $endfor$
 
 <hr/>
 
+<h2>Certifications</h2>
+
+<a href="https://learn.microsoft.com/api/credentials/share/en-gb/KevinMatsubara-5025/1831039674C03253?sharingId=CF9FDC01A7225CF8"
+   class="cert-link"
+   aria-label="Microsoft Certified: Azure Fundamentals (opens external site in new tab)"
+   target="_blank"
+   rel="noopener noreferrer">
+
+    <img width="140" height="140"
+         src="/images/software/certifications/microsoft-certified-fundamentals-badge.svg"
+         alt="Microsoft A Z 900 Azure Fundamentals Badge" />
+
+    <span>AZ-900: Azure Fundamentals</span>
+    <br/>
+    <span>2026-04-03</span>
+</a>
+
+<hr/>
+
 <h2>Education</h2>
 <h3>Computer engineering of applied computer science</h3>
 <strong>Bachelor of computer science</strong><br/>
diff --git a/portfolio/jp/software.html b/portfolio/jp/software.html
index 9d10e3c..41aeb02 100644
--- a/portfolio/jp/software.html
+++ b/portfolio/jp/software.html
@@ -23,6 +23,25 @@ $endfor$
 
 <hr/>
 
+<h2>Certifications</h2>
+
+<a href="https://learn.microsoft.com/api/credentials/share/en-gb/KevinMatsubara-5025/1831039674C03253?sharingId=CF9FDC01A7225CF8"
+   class="cert-link"
+   aria-label="Microsoft Certified: Azure Fundamentals (opens external site in new tab)"
+   target="_blank"
+   rel="noopener noreferrer">
+
+    <img width="140" height="140"
+         src="/images/software/certifications/microsoft-certified-fundamentals-badge.svg"
+         alt="Microsoft A Z 900 Azure Fundamentals Badge" />
+
+    <span>AZ-900: Azure Fundamentals</span>
+    <br/>
+    <span>2026年04月03日</span>
+</a>
+
+<hr/>
+
 <h2>教育</h2>
 <h3>計算機科学</h3>
 <strong>学士</strong><br/>
diff --git a/portfolio/nl/software.html b/portfolio/nl/software.html
index 0bd6b2d..d47c998 100644
--- a/portfolio/nl/software.html
+++ b/portfolio/nl/software.html
@@ -23,6 +23,25 @@ $endfor$
 
 <hr/>
 
+<h2>Certifications</h2>
+
+<a href="https://learn.microsoft.com/api/credentials/share/en-gb/KevinMatsubara-5025/1831039674C03253?sharingId=CF9FDC01A7225CF8"
+   class="cert-link"
+   aria-label="Microsoft Certified: Azure Fundamentals (opens external site in new tab)"
+   target="_blank"
+   rel="noopener noreferrer">
+
+    <img width="140" height="140"
+         src="/images/software/certifications/microsoft-certified-fundamentals-badge.svg"
+         alt="Microsoft A Z 900 Azure Fundamentals Badge" />
+
+    <span>AZ-900: Azure Fundamentals</span>
+    <br/>
+    <span>2026-04-03</span>
+</a>
+
+<hr/>
+
 <h2>Opleiding</h2>
 <h3>Technische informatica</h3>
 <strong>Bachelor of computer science</strong><br/>