diff --git a/backend/controller/cronjobs/cronjobs_integration_test.go b/backend/controller/cronjobs/cronjobs_integration_test.go
index 5824acbbf..5cbc00977 100644
--- a/backend/controller/cronjobs/cronjobs_integration_test.go
+++ b/backend/controller/cronjobs/cronjobs_integration_test.go
@@ -54,6 +54,7 @@ func TestCron(t *testing.T) {
 	t.Cleanup(func() { _ = os.Remove(tmpFile) })
 
 	in.Run(t,
+		in.WithLanguages("go", "java"),
 		in.CopyModule("cron"),
 		in.Deploy("cron"),
 		func(t testing.TB, ic in.TestContext) {
diff --git a/backend/controller/cronjobs/testdata/java/cron/ftl.toml b/backend/controller/cronjobs/testdata/java/cron/ftl.toml
new file mode 100644
index 000000000..30bdab00f
--- /dev/null
+++ b/backend/controller/cronjobs/testdata/java/cron/ftl.toml
@@ -0,0 +1,2 @@
+module = "cron"
+language = "java"
diff --git a/backend/controller/cronjobs/testdata/java/cron/pom.xml b/backend/controller/cronjobs/testdata/java/cron/pom.xml
new file mode 100644
index 000000000..400f9432a
--- /dev/null
+++ b/backend/controller/cronjobs/testdata/java/cron/pom.xml
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>xyz.block.ftl.examples</groupId>
+    <artifactId>cron</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <ftl.version>1.0-SNAPSHOT</ftl.version>
+        <compiler-plugin.version>3.13.0</compiler-plugin.version>
+        <kotlin.version>2.0.0</kotlin.version>
+        <maven.compiler.release>17</maven.compiler.release>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>
+        <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
+        <quarkus.platform.version>3.12.3</quarkus.platform.version>
+        <skipITs>true</skipITs>
+        <surefire-plugin.version>3.2.5</surefire-plugin.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>${quarkus.platform.group-id}</groupId>
+                <artifactId>${quarkus.platform.artifact-id}</artifactId>
+                <version>${quarkus.platform.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>xyz.block</groupId>
+            <artifactId>ftl-java-runtime</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-kotlin</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-jackson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-rest-jackson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-junit5</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>kotlin-extensions</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>${quarkus.platform.group-id}</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+                <version>${quarkus.platform.version}</version>
+                <extensions>true</extensions>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>build</goal>
+                            <goal>generate-code</goal>
+                            <goal>generate-code-tests</goal>
+                            <goal>native-image-agent</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${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>${surefire-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>integration-test</goal>
+                            <goal>verify</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <systemPropertyVariables>
+                        <native.image.path>${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>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/backend/controller/cronjobs/testdata/java/cron/src/main/java/xyz/block/ftl/java/test/cron/TestCron.java b/backend/controller/cronjobs/testdata/java/cron/src/main/java/xyz/block/ftl/java/test/cron/TestCron.java
new file mode 100644
index 000000000..f795d0f5b
--- /dev/null
+++ b/backend/controller/cronjobs/testdata/java/cron/src/main/java/xyz/block/ftl/java/test/cron/TestCron.java
@@ -0,0 +1,29 @@
+package xyz.block.ftl.java.test.cron;
+
+import io.quarkus.logging.Log;
+import xyz.block.ftl.Cron;
+import xyz.block.ftl.Export;
+import xyz.block.ftl.LeaseClient;
+import xyz.block.ftl.Verb;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.time.Duration;
+
+public class TestCron {
+
+    @Cron("* * * * * * *")
+    public void cron() throws Exception {
+        Files.writeString(Paths.get(System.getenv("DEST_FILE")), "Hello, world!");
+    }
+
+    @Cron("5m")
+    public void fiveMinutes() {
+    }
+
+    @Cron("Sat")
+    public void saturday() {
+
+    }
+
+}
\ No newline at end of file