diff --git a/src/test/java/com/example/developer/service/DeveloperServiceTest.java b/src/test/java/com/example/developer/service/DeveloperServiceTest.java
new file mode 100644
index 0000000..8e8e303
--- /dev/null
+++ b/src/test/java/com/example/developer/service/DeveloperServiceTest.java
@@ -0,0 +1,44 @@
+package com.example.developer.service;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+class DeveloperServiceTest {
+
+    @Autowired
+    private DeveloperService developerService;
+
+    @Test
+    void contextLoads() {
+        assertNotNull(developerService);
+    }
+
+    @Test
+    void getRole_returnsDeveloper() {
+        assertEquals("DEVELOPER", developerService.getRole());
+    }
+
+    @Test
+    void isAuthorized_forCodeAction_returnsTrue() {
+        assertTrue(developerService.isAuthorized("code"));
+    }
+
+    @Test
+    void isAuthorized_forReviewAction_returnsTrue() {
+        assertTrue(developerService.isAuthorized("review"));
+    }
+
+    @Test
+    void isAuthorized_forDeployAction_returnsTrue() {
+        assertTrue(developerService.isAuthorized("deploy"));
+    }
+
+    @Test
+    void isAuthorized_forUnknownAction_returnsFalse() {
+        assertFalse(developerService.isAuthorized("admin"));
+    }
+}