diff --git a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle-kotlin-dsl/kotlin/build.tpl.qute.gradle.kts b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle-kotlin-dsl/kotlin/build.tpl.qute.gradle.kts
index ac4043c53faed..ae190bc324039 100644
--- a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle-kotlin-dsl/kotlin/build.tpl.qute.gradle.kts
+++ b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle-kotlin-dsl/kotlin/build.tpl.qute.gradle.kts
@@ -1,8 +1,12 @@
+{#let kotlinSerialization = input.selected-extensions-ga.contains('io.quarkus:quarkus-resteasy-reactive-kotlin-serialization') or input.selected-extensions-ga.contains('io.quarkus:quarkus-rest-client-reactive-kotlin-serialization')}
 {#include build-layout}
 {#plugins}
 plugins {
     kotlin("jvm") version "{kotlin.version}"
     kotlin("plugin.allopen") version "{kotlin.version}"
+    {#if kotlinSerialization}
+    kotlin("plugin.serialization") version "{kotlin.version}"
+    {/if}
     id("{quarkus.gradle-plugin.id}")
 }
 {/plugins}
diff --git a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle/kotlin/build.tpl.qute.gradle b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle/kotlin/build.tpl.qute.gradle
index 84fbbd20f1242..617d9bcb5d63c 100644
--- a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle/kotlin/build.tpl.qute.gradle
+++ b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/gradle/kotlin/build.tpl.qute.gradle
@@ -1,8 +1,12 @@
+{#let kotlinSerialization = input.selected-extensions-ga.contains('io.quarkus:quarkus-resteasy-reactive-kotlin-serialization') or input.selected-extensions-ga.contains('io.quarkus:quarkus-rest-client-reactive-kotlin-serialization')}
 {#include build-layout}
 {#plugins}
 plugins {
     id 'org.jetbrains.kotlin.jvm' version "{kotlin.version}"
     id "org.jetbrains.kotlin.plugin.allopen" version "{kotlin.version}"
+    {#if kotlinSerialization}
+    id 'org.jetbrains.kotlin.plugin.serialization' version "{kotlin.version}"
+    {/if}
     id '{quarkus.gradle-plugin.id}'
 }
 {/plugins}
diff --git a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/maven/kotlin/pom.tpl.qute.xml b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/maven/kotlin/pom.tpl.qute.xml
index 8ebaeba5f5e0b..5e75764f9d538 100644
--- a/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/maven/kotlin/pom.tpl.qute.xml
+++ b/independent-projects/tools/base-codestarts/src/main/resources/codestarts/quarkus/buildtool/maven/kotlin/pom.tpl.qute.xml
@@ -1,3 +1,4 @@
+{#let kotlinSerialization = input.selected-extensions-ga.contains('io.quarkus:quarkus-resteasy-reactive-kotlin-serialization') or input.selected-extensions-ga.contains('io.quarkus:quarkus-rest-client-reactive-kotlin-serialization')}
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <properties>
@@ -44,6 +45,9 @@
                     <!-- Soon to be replaced by plugin that will pre-configure all necessary annotations -->
                     <compilerPlugins>
                         <plugin>all-open</plugin>
+                        {#if kotlinSerialization}
+                        <plugin>kotlinx-serialization</plugin>
+                        {/if}
                     </compilerPlugins>
 
                     <pluginOptions>
@@ -67,6 +71,13 @@
                         <artifactId>kotlin-maven-allopen</artifactId>
                         <version>$\{kotlin.version}</version>
                     </dependency>
+                    {#if kotlinSerialization}
+                    <dependency>
+                        <groupId>org.jetbrains.kotlin</groupId>
+                        <artifactId>kotlin-maven-serialization</artifactId>
+                        <version>$\{kotlin.version}</version>
+                    </dependency>
+                    {/if}
                 </dependencies>
             </plugin>
         </plugins>
diff --git a/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/KotlinSerializationCodestartTest.java b/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/KotlinSerializationCodestartTest.java
new file mode 100644
index 0000000000000..1c481c354963a
--- /dev/null
+++ b/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/KotlinSerializationCodestartTest.java
@@ -0,0 +1,63 @@
+package io.quarkus.devtools.codestarts.quarkus;
+
+import static io.quarkus.devtools.codestarts.quarkus.QuarkusCodestartCatalog.Language.KOTLIN;
+import static io.quarkus.devtools.testing.SnapshotTesting.checkContains;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.devtools.project.BuildTool;
+import io.quarkus.devtools.testing.codestarts.QuarkusCodestartTest;
+import io.quarkus.maven.dependency.ArtifactKey;
+
+public class KotlinSerializationCodestartTest {
+    @RegisterExtension
+    public static QuarkusCodestartTest codestartMavenTest = QuarkusCodestartTest.builder()
+            .extension(ArtifactKey.fromString("io.quarkus:quarkus-resteasy-reactive-kotlin-serialization"))
+            .languages(KOTLIN)
+            .buildTool(BuildTool.MAVEN)
+            .build();
+
+    @RegisterExtension
+    public static QuarkusCodestartTest codestartGradleTest = QuarkusCodestartTest.builder()
+            .extension(ArtifactKey.fromString("io.quarkus:quarkus-resteasy-reactive-kotlin-serialization"))
+            .languages(KOTLIN)
+            .buildTool(BuildTool.GRADLE)
+            .build();
+
+    @RegisterExtension
+    public static QuarkusCodestartTest codestartGradleKotlinTest = QuarkusCodestartTest.builder()
+            .extension(ArtifactKey.fromString("io.quarkus:quarkus-resteasy-reactive-kotlin-serialization"))
+            .languages(KOTLIN)
+            .buildTool(BuildTool.GRADLE_KOTLIN_DSL)
+            .build();
+
+    @Test
+    void testMavenContent() throws Throwable {
+        codestartMavenTest.assertThatGeneratedFileMatchSnapshot(KOTLIN, "pom.xml")
+                .satisfies(checkContains("<plugin>kotlinx-serialization</plugin>"))
+                .satisfies(checkContains("<artifactId>kotlin-maven-serialization</artifactId>"));
+    }
+
+    @Test
+    void testGradleContent() throws Throwable {
+        codestartGradleTest.assertThatGeneratedFileMatchSnapshot(KOTLIN, "build.gradle")
+                .satisfies(checkContains("id 'org.jetbrains.kotlin.plugin.serialization' version "));
+    }
+
+    @Test
+    void testGradleKotlinContent() throws Throwable {
+        codestartGradleKotlinTest.assertThatGeneratedFileMatchSnapshot(KOTLIN, "build.gradle.kts")
+                .satisfies(checkContains("kotlin(\"plugin.serialization\") version "));
+    }
+
+    @Test
+    void buildAllProjectsMaven() throws Throwable {
+        codestartMavenTest.buildAllProjects();
+    }
+
+    @Test
+    void buildAllProjectsGradle() throws Throwable {
+        codestartGradleTest.buildAllProjects();
+    }
+}
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleContent/build.gradle b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleContent/build.gradle
new file mode 100644
index 0000000000000..3f9d893cda2bc
--- /dev/null
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleContent/build.gradle
@@ -0,0 +1,48 @@
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version "1.4.28-MOCK"
+    id "org.jetbrains.kotlin.plugin.allopen" version "1.4.28-MOCK"
+    id 'org.jetbrains.kotlin.plugin.serialization' version "1.4.28-MOCK"
+    id 'io.quarkus'
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+dependencies {
+    implementation enforcedPlatform("${quarkusPlatformGroupId}:${quarkusPlatformArtifactId}:${quarkusPlatformVersion}")
+    implementation 'io.quarkus:quarkus-resteasy-reactive-kotlin-serialization'
+    implementation 'io.quarkus:quarkus-kotlin'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+    implementation 'io.quarkus:quarkus-arc'
+    implementation 'io.quarkus:quarkus-resteasy-reactive'
+    testImplementation 'io.quarkus:quarkus-junit5'
+    testImplementation 'io.rest-assured:rest-assured'
+}
+
+group 'org.test'
+version '1.0.0-codestart'
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+test {
+    systemProperty "java.util.logging.manager", "org.jboss.logmanager.LogManager"
+}
+allOpen {
+    annotation("jakarta.ws.rs.Path")
+    annotation("jakarta.enterprise.context.ApplicationScoped")
+    annotation("io.quarkus.test.junit.QuarkusTest")
+}
+
+compileKotlin {
+    kotlinOptions.jvmTarget = JavaVersion.VERSION_11
+    kotlinOptions.javaParameters = true
+}
+
+compileTestKotlin {
+    kotlinOptions.jvmTarget = JavaVersion.VERSION_11
+}
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleKotlinContent/build.gradle.kts b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleKotlinContent/build.gradle.kts
new file mode 100644
index 0000000000000..31266fea135b0
--- /dev/null
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testGradleKotlinContent/build.gradle.kts
@@ -0,0 +1,48 @@
+plugins {
+    kotlin("jvm") version "1.4.28-MOCK"
+    kotlin("plugin.allopen") version "1.4.28-MOCK"
+    kotlin("plugin.serialization") version "1.4.28-MOCK"
+    id("io.quarkus")
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+val quarkusPlatformGroupId: String by project
+val quarkusPlatformArtifactId: String by project
+val quarkusPlatformVersion: String by project
+
+dependencies {
+    implementation(enforcedPlatform("${quarkusPlatformGroupId}:${quarkusPlatformArtifactId}:${quarkusPlatformVersion}"))
+    implementation("io.quarkus:quarkus-resteasy-reactive-kotlin-serialization")
+    implementation("io.quarkus:quarkus-kotlin")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    implementation("io.quarkus:quarkus-arc")
+    implementation("io.quarkus:quarkus-resteasy-reactive")
+    testImplementation("io.quarkus:quarkus-junit5")
+    testImplementation("io.rest-assured:rest-assured")
+}
+
+group = "org.test"
+version = "1.0.0-codestart"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+tasks.withType<Test> {
+    systemProperty("java.util.logging.manager", "org.jboss.logmanager.LogManager")
+}
+allOpen {
+    annotation("jakarta.ws.rs.Path")
+    annotation("jakarta.enterprise.context.ApplicationScoped")
+    annotation("io.quarkus.test.junit.QuarkusTest")
+}
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+    kotlinOptions.jvmTarget = JavaVersion.VERSION_11.toString()
+    kotlinOptions.javaParameters = true
+}
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testMavenContent/pom.xml b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testMavenContent/pom.xml
new file mode 100644
index 0000000000000..a4504b965ed60
--- /dev/null
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/KotlinSerializationCodestartTest/testMavenContent/pom.xml
@@ -0,0 +1,185 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.test</groupId>
+  <artifactId>test-codestart</artifactId>
+  <version>1.0.0-codestart</version>
+  <properties>
+    <compiler-plugin.version>3.8.1-MOCK</compiler-plugin.version>
+    <kotlin.version>1.4.28-MOCK</kotlin.version>
+    <maven.compiler.release>11</maven.compiler.release>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    <quarkus.platform.artifact-id>quarkus-mock-bom</quarkus.platform.artifact-id>
+    <quarkus.platform.group-id>io.quarkus</quarkus.platform.group-id>
+    <quarkus.platform.version>999-MOCK</quarkus.platform.version>
+    <skipITs>true</skipITs>
+    <surefire-plugin.version>3.0.0-MOCK</surefire-plugin.version>
+  </properties>
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>${quarkus.platform.group-id}</groupId>
+        <artifactId>${quarkus.platform.artifact-id}</artifactId>
+        <version>${quarkus.platform.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+  <dependencies>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-resteasy-reactive-kotlin-serialization</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-kotlin</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-arc</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-resteasy-reactive</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-junit5</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>io.rest-assured</groupId>
+      <artifactId>rest-assured</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jetbrains.kotlin</groupId>
+      <artifactId>kotlin-stdlib-jdk8</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.rest-assured</groupId>
+      <artifactId>kotlin-extensions</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <sourceDirectory>src/main/kotlin</sourceDirectory>
+    <testSourceDirectory>src/test/kotlin</testSourceDirectory>
+    <plugins>
+      <plugin>
+        <groupId>${quarkus.platform.group-id}</groupId>
+        <artifactId>quarkus-mock-maven-plugin</artifactId>
+        <version>${quarkus.platform.version}</version>
+        <extensions>true</extensions>
+        <executions>
+          <execution>
+            <goals>
+              <goal>build</goal>
+              <goal>generate-code</goal>
+              <goal>generate-code-tests</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>${compiler-plugin.version}</version>
+        <configuration>
+          <compilerArgs>
+            <arg>-parameters</arg>
+          </compilerArgs>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>${surefire-plugin.version}</version>
+        <configuration>
+          <systemPropertyVariables>
+            <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+            <maven.home>${maven.home}</maven.home>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-failsafe-plugin</artifactId>
+        <version>${surefire-plugin.version}</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>integration-test</goal>
+              <goal>verify</goal>
+            </goals>
+            <configuration>
+              <systemPropertyVariables>
+                <native.image.path>${project.build.directory}/${project.build.finalName}-runner</native.image.path>
+                <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+                <maven.home>${maven.home}</maven.home>
+              </systemPropertyVariables>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.jetbrains.kotlin</groupId>
+        <artifactId>kotlin-maven-plugin</artifactId>
+        <version>${kotlin.version}</version>
+        <executions>
+          <execution>
+            <id>compile</id>
+            <goals>
+              <goal>compile</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>test-compile</id>
+            <goals>
+              <goal>test-compile</goal>
+            </goals>
+          </execution>
+        </executions>
+        <dependencies>
+          <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-maven-allopen</artifactId>
+            <version>${kotlin.version}</version>
+          </dependency>
+          <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-maven-serialization</artifactId>
+            <version>${kotlin.version}</version>
+          </dependency>
+        </dependencies>
+        <configuration>
+          <javaParameters>true</javaParameters>
+          <jvmTarget>11</jvmTarget>
+          <compilerPlugins>
+            <plugin>all-open</plugin>
+            <plugin>kotlinx-serialization</plugin>
+          </compilerPlugins>
+          <pluginOptions>
+            <option>all-open:annotation=jakarta.ws.rs.Path</option>
+            <option>all-open:annotation=jakarta.enterprise.context.ApplicationScoped</option>
+            <option>all-open:annotation=io.quarkus.test.junit.QuarkusTest</option>
+          </pluginOptions>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  <profiles>
+    <profile>
+      <id>native</id>
+      <activation>
+        <property>
+          <name>native</name>
+        </property>
+      </activation>
+      <properties>
+        <skipITs>false</skipITs>
+        <quarkus.package.type>native</quarkus.package.type>
+      </properties>
+    </profile>
+  </profiles>
+</project>