diff --git a/src/template_project/web_api/routes/resume.py b/src/template_project/web_api/routes/resume.py
index 093b081..c0ae4c4 100644
--- a/src/template_project/web_api/routes/resume.py
+++ b/src/template_project/web_api/routes/resume.py
@@ -11,10 +11,10 @@ router = APIRouter(route_class=DishkaRoute, tags=["Resume"], dependencies=[Depen
 
 
 class ExperienceTypeEnum(StrEnum):
-    NO_EXPERIENCE = "no_experience"
-    BETWEEN_1_AND_3 = "between_1_and_3"
-    BETWEEN_3_AND_6 = "between_3_and_6"
-    MORE_THAN_6 = "more_than_6"
+    NO_EXPERIENCE = "noExperience"
+    BETWEEN_1_AND_3 = "between1And3"
+    BETWEEN_3_AND_6 = "between3And6"
+    MORE_THAN_6 = "moreThan6"
 
 
 class CreateResumeRequest(BaseModel):
@@ -28,6 +28,11 @@ class CreateResumeRequest(BaseModel):
     experience_type: ExperienceTypeEnum = Field(
         ..., description="Experience type", examples=[ExperienceTypeEnum.BETWEEN_3_AND_6]
     )
+    parent_resume_id: str | None = Field(
+        None,
+        description="ID of parent resume (for creating resume from existing one)",
+        examples=["01234567-89ab-cdef-0123-456789abcdef"],
+    )
 
     model_config = {
         "json_schema_extra": {
@@ -35,7 +40,8 @@ class CreateResumeRequest(BaseModel):
                 "position": "Python Developer",
                 "about_me": "Experienced Python developer with 5 years of experience",
                 "key_skills": ["Python", "FastAPI", "PostgreSQL", "Docker"],
-                "experience_type": "between_3_and_6",
+                "experience_type": "between3And6",
+                "parent_resume_id": None,
             }
         }
     }
@@ -78,7 +84,7 @@ class ResumeResponse(BaseModel):
                 "position": "Python Developer",
                 "about_me": "Experienced Python developer with 5 years of experience",
                 "key_skills": ["Python", "FastAPI", "PostgreSQL", "Docker"],
-                "experience_type": "between_3_and_6",
+                "experience_type": "between3And6",
                 "prediction": {
                     "from_salary": "100000",
                     "to_salary": "150000",
@@ -101,7 +107,7 @@ class ResumeListItem(BaseModel):
                 "position": "Python Developer",
                 "about_me": "Experienced Python developer with 5 years of experience",
                 "key_skills": ["Python", "FastAPI", "PostgreSQL"],
-                "experience_type": "between_3_and_6",
+                "experience_type": "between3And6",
             }
         }
     }
@@ -123,7 +129,7 @@ class GetResumeListResponse(BaseModel):
                         "position": "Python Developer",
                         "about_me": "Experienced Python developer",
                         "key_skills": ["Python", "FastAPI"],
-                        "experience_type": "between_3_and_6",
+                        "experience_type": "between3And6",
                     }
                 ]
             }
@@ -147,7 +153,7 @@ class GetResumeHistoryResponse(BaseModel):
                         "position": "Python Developer",
                         "about_me": "Experienced Python developer",
                         "key_skills": ["Python", "FastAPI"],
-                        "experience_type": "between_3_and_6",
+                        "experience_type": "between3And6",
                     }
                 ]
             }
@@ -182,7 +188,7 @@ async def create_resume(
     },
 )
 async def get_resume(
-    resume_id: str = Field(..., description="Resume ID"),
+    resume_id: str,
 ) -> ResumeResponse:
     # TODO: Implement resume retrieval
     raise NotImplementedError
@@ -205,6 +211,50 @@ async def get_resume_list(
     raise NotImplementedError
 
 
+class PatchResumeRequest(BaseModel):
+    position: str | None = Field(
+        None, min_length=1, max_length=200, description="Job position", examples=["Python Developer"]
+    )
+    about_me: str | None = Field(
+        None, min_length=1, max_length=2000, description="About me section", examples=["Experienced Python developer"]
+    )
+    key_skills: list[str] | None = Field(
+        None, min_length=1, description="List of key skills", examples=[["Python", "FastAPI", "PostgreSQL"]]
+    )
+    experience_type: ExperienceTypeEnum | None = Field(
+        None, description="Experience type", examples=[ExperienceTypeEnum.BETWEEN_3_AND_6]
+    )
+
+    model_config = {
+        "json_schema_extra": {
+            "example": {
+                "position": "Python Developer",
+                "about_me": "Experienced Python developer with 5 years of experience",
+                "key_skills": ["Python", "FastAPI", "PostgreSQL", "Docker"],
+                "experience_type": "between3And6",
+            }
+        }
+    }
+
+
+class PatchResumeResponse(BaseModel):
+    position: str = Field(..., description="Job position")
+    about_me: str = Field(..., description="About me section")
+    key_skills: list[str] = Field(..., description="List of key skills")
+    experience_type: ExperienceTypeEnum = Field(..., description="Experience type")
+
+    model_config = {
+        "json_schema_extra": {
+            "example": {
+                "position": "Python Developer",
+                "about_me": "Experienced Python developer with 5 years of experience",
+                "key_skills": ["Python", "FastAPI", "PostgreSQL", "Docker"],
+                "experience_type": "between3And6",
+            }
+        }
+    }
+
+
 @router.get(
     "/resume/{resume_id}/history",
     summary="Get resume history",
@@ -216,9 +266,27 @@ async def get_resume_list(
     },
 )
 async def get_resume_history(
-    resume_id: str = Field(..., description="Resume ID"),
+    resume_id: str,
     limit: int = Query(..., ge=1, le=100, description="Number of history items to return", examples=[10]),
     offset: int = Query(..., ge=0, description="Number of history items to skip", examples=[0]),
 ) -> GetResumeHistoryResponse:
     # TODO: Implement resume history retrieval
     raise NotImplementedError
+
+
+@router.patch(
+    "/resume/{resume_id}",
+    summary="Update resume",
+    description="Update resume fields. All fields are optional.",
+    responses={
+        200: {"description": "Resume updated successfully", "model": PatchResumeResponse},
+        401: {"description": "Unauthorized - invalid or missing token"},
+        404: {"description": "Resume not found"},
+    },
+)
+async def patch_resume(
+    resume_id: str,
+    request: PatchResumeRequest,
+) -> PatchResumeResponse:
+    # TODO: Implement resume update
+    raise NotImplementedError
diff --git a/tests/web_api/e2e/test_auth.py b/tests/web_api/e2e/test_auth.py
index a14fd4e..5a9d48a 100644
--- a/tests/web_api/e2e/test_auth.py
+++ b/tests/web_api/e2e/test_auth.py
@@ -28,9 +28,7 @@ async def test_email_sign_up_creates_user(
         password=DEFAULT_PASSWORD,
     )
     assert is_success_response(response)
-    assert response.json() == IsPartialDict(
-        access_token=IsStr()
-    )
+    assert response.json() == IsPartialDict(access_token=IsStr())
 
 
 @inject
diff --git a/tests/web_api/e2e/test_healthcheck.py b/tests/web_api/e2e/test_healthcheck.py
index 03b60e7..fb9035d 100644
--- a/tests/web_api/e2e/test_healthcheck.py
+++ b/tests/web_api/e2e/test_healthcheck.py
@@ -12,8 +12,6 @@ async def test_healthcheck(
 ) -> None:
     response = await http_client.get("/healthcheck")
     assert is_success_response(response)
-    assert response.json() == IsDict(
-        {
-            "ok": True,
-        }
-    )
+    assert response.json() == IsDict({
+        "ok": True,
+    })