diff --git a/backend/src/Sign/Api/Api.php b/backend/src/Api/Api.php
similarity index 98%
rename from backend/src/Sign/Api/Api.php
rename to backend/src/Api/Api.php
index 55d2aeb..5ceef4d 100644
--- a/backend/src/Sign/Api/Api.php
+++ b/backend/src/Api/Api.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace App\Sign\Api;
+namespace App\Api;
 
 use App\Infrastructure\External\Api\AbstractApi;
 use App\Infrastructure\External\Api\BinaryStringFileResult;
diff --git a/backend/src/Sign/Api/ApiParams.php b/backend/src/Api/ApiParams.php
similarity index 85%
rename from backend/src/Sign/Api/ApiParams.php
rename to backend/src/Api/ApiParams.php
index cafcdc5..f920f32 100644
--- a/backend/src/Sign/Api/ApiParams.php
+++ b/backend/src/Api/ApiParams.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace App\Sign\Api;
+namespace App\Api;
 
 class ApiParams
 {
diff --git a/backend/src/Sign/Api/Request/SignRequest.php b/backend/src/Api/Request/SignRequest.php
similarity index 86%
rename from backend/src/Sign/Api/Request/SignRequest.php
rename to backend/src/Api/Request/SignRequest.php
index 5453ad1..d0c20af 100644
--- a/backend/src/Sign/Api/Request/SignRequest.php
+++ b/backend/src/Api/Request/SignRequest.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace App\Sign\Api\Request;
+namespace App\Api\Request;
 
 use App\Infrastructure\Http\RequestDtoInterface;
 
diff --git a/backend/src/Sign/Controller/.gitignore b/backend/src/Controller/.gitignore
similarity index 100%
rename from backend/src/Sign/Controller/.gitignore
rename to backend/src/Controller/.gitignore
diff --git a/backend/src/Sign/Controller/SignController.php b/backend/src/Controller/SignController.php
similarity index 91%
rename from backend/src/Sign/Controller/SignController.php
rename to backend/src/Controller/SignController.php
index 063911d..dc29851 100644
--- a/backend/src/Sign/Controller/SignController.php
+++ b/backend/src/Controller/SignController.php
@@ -2,15 +2,15 @@
 
 declare(strict_types=1);
 
-namespace App\Sign\Controller;
+namespace App\Controller;
 
-use App\Sign\Api\Request\SignRequest;
-use App\Sign\SignService;
+use App\Api\Request\SignRequest;
+use App\SignService;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 
 class SignController extends AbstractController
diff --git a/backend/src/Entity/.gitignore b/backend/src/Entity/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/backend/src/Repository/.gitignore b/backend/src/Repository/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/backend/src/Sign/SignService.php b/backend/src/SignService.php
similarity index 96%
rename from backend/src/Sign/SignService.php
rename to backend/src/SignService.php
index a0a352f..d7f5ecf 100644
--- a/backend/src/Sign/SignService.php
+++ b/backend/src/SignService.php
@@ -2,11 +2,11 @@
 
 declare(strict_types=1);
 
-namespace App\Sign;
+namespace App;
 
+use App\Api\Api;
+use App\Api\ApiParams;
 use App\Infrastructure\External\Api\BinaryStringFileResult;
-use App\Sign\Api\Api;
-use App\Sign\Api\ApiParams;
 use Exception;
 use RuntimeException;