diff --git a/engine-kmp/build.gradle.kts b/engine-kmp/build.gradle.kts
new file mode 100644
index 0000000000..8e7d31eaea
--- /dev/null
+++ b/engine-kmp/build.gradle.kts
@@ -0,0 +1,22 @@
+plugins {
+  id("org.jetbrains.kotlin.multiplatform")
+  id("com.android.kotlin.multiplatform.library")
+}
+
+kotlin {
+  jvmToolchain(21)
+
+  androidLibrary {
+    namespace = "com.google.android.fhir.engine"
+    compileSdk = Sdk.COMPILE_SDK
+    minSdk = Sdk.MIN_SDK
+  }
+
+  jvm("desktop")
+
+  iosX64()
+  iosArm64()
+  iosSimulatorArm64()
+
+  sourceSets { commonMain { dependencies { implementation(libs.kotlinx.coroutines.core) } } }
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 9031c4033f..a0fddb593a 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -76,3 +76,5 @@ include(":workflow_demo")
 include(":datacapture-kmp")
 
 include(":sdc-kmp-demo")
+
+include(":engine-kmp")