diff --git a/backend/app/schemas/user.py b/backend/app/schemas/user.py
new file mode 100644
index 0000000..0a9893c
--- /dev/null
+++ b/backend/app/schemas/user.py
@@ -0,0 +1,37 @@
+"""User schemas."""
+from pydantic import BaseModel, EmailStr, Field
+from typing import Optional
+from datetime import datetime
+
+
+class UserCreate(BaseModel):
+    email: EmailStr
+    username: str = Field(..., min_length=2, max_length=100)
+    password: str = Field(..., min_length=6)
+    role: str = "worker"
+    user_type: str = "human"
+    phone: Optional[str] = None
+
+
+class UserUpdate(BaseModel):
+    username: Optional[str] = None
+    role: Optional[str] = None
+    is_active: Optional[bool] = None
+    phone: Optional[str] = None
+    avatar: Optional[str] = None
+
+
+class UserResponse(BaseModel):
+    id: int
+    email: str
+    username: str
+    role: str
+    user_type: str
+    tenant_id: int
+    is_active: bool
+    avatar: Optional[str] = None
+    phone: Optional[str] = None
+    worker_id: Optional[int] = None
+    created_at: datetime
+
+    model_config = {"from_attributes": True}