diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..e40fc46
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,94 @@
+pipeline {
+    agent { label 'android' }
+
+    environment {
+        ANDROID_HOME     = "${env.HOME}/Android/Sdk"
+        ANDROID_SDK_ROOT = "${env.HOME}/Android/Sdk"
+        JAVA_HOME        = '/usr/lib/jvm/java-17-openjdk'
+        PATH             = "${env.ANDROID_HOME}/cmdline-tools/latest/bin:${env.ANDROID_HOME}/platform-tools:${env.PATH}"
+    }
+
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '10'))
+        timeout(time: 30, unit: 'MINUTES')
+    }
+
+    stages {
+        stage('Verify JDK') {
+            steps {
+                sh 'java -version'
+                sh 'javac -version'
+            }
+        }
+
+        stage('Bootstrap Android SDK') {
+            steps {
+                sh '''
+                    if [ ! -d "$ANDROID_HOME/cmdline-tools/latest/bin" ]; then
+                        echo "Installing Android SDK command-line tools..."
+                        mkdir -p "$ANDROID_HOME"
+                        CMDLINE_TOOLS_URL="https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip"
+                        curl -fsSL -o /tmp/cmdline-tools.zip "$CMDLINE_TOOLS_URL"
+                        unzip -qo /tmp/cmdline-tools.zip -d "$ANDROID_HOME/cmdline-tools-tmp"
+                        mkdir -p "$ANDROID_HOME/cmdline-tools/latest"
+                        mv "$ANDROID_HOME/cmdline-tools-tmp/cmdline-tools/"* "$ANDROID_HOME/cmdline-tools/latest/"
+                        rm -rf "$ANDROID_HOME/cmdline-tools-tmp" /tmp/cmdline-tools.zip
+                    fi
+                '''
+                sh '''
+                    yes | sdkmanager --licenses > /dev/null 2>&1 || true
+                    sdkmanager --install \
+                        "platform-tools" \
+                        "platforms;android-34" \
+                        "build-tools;34.0.0"
+                '''
+            }
+        }
+
+        stage('Build Debug APK') {
+            steps {
+                sh 'chmod +x gradlew'
+                sh './gradlew assembleDebug --no-daemon'
+            }
+        }
+
+        stage('Build Release APK') {
+            when {
+                expression {
+                    try {
+                        credentials('joykoo-scanner-keystore')
+                        return true
+                    } catch (e) {
+                        echo 'Signing credentials not configured — skipping release build.'
+                        return false
+                    }
+                }
+            }
+            environment {
+                KEYSTORE_FILE  = credentials('joykoo-scanner-keystore')
+                KEYSTORE_CREDS = credentials('joykoo-scanner-keystore-creds')
+            }
+            steps {
+                sh '''
+                    ./gradlew assembleRelease --no-daemon \
+                        -Pandroid.injected.signing.store.file=$KEYSTORE_FILE \
+                        -Pandroid.injected.signing.store.password=$KEYSTORE_CREDS_PSW \
+                        -Pandroid.injected.signing.key.alias=$KEYSTORE_CREDS_USR \
+                        -Pandroid.injected.signing.key.password=$KEYSTORE_CREDS_PSW
+                '''
+            }
+        }
+    }
+
+    post {
+        success {
+            archiveArtifacts artifacts: 'app/build/outputs/apk/**/*.apk', fingerprint: true
+        }
+        failure {
+            echo 'Build failed — check the console output above.'
+        }
+        always {
+            cleanWs()
+        }
+    }
+}