diff --git a/app/models/eduSchemas.py b/app/models/eduSchemas.py
index 0033da2..963a0a5 100644
--- a/app/models/eduSchemas.py
+++ b/app/models/eduSchemas.py
@@ -27,6 +27,6 @@ class EducationItem(BaseModel):
     url: str
 
 
-class EducationBookmarkRequest(TimestampMixin):
+class EducationBookmarkRequest(BaseModel):
     user_id: int
     bookmarks: List[EducationItem]
diff --git a/app/models/policySchemas.py b/app/models/policySchemas.py
index 5f2289c..9003b26 100644
--- a/app/models/policySchemas.py
+++ b/app/models/policySchemas.py
@@ -25,6 +25,6 @@ class PolicyItem(BaseModel):
     url: str
 
 
-class PolicySaveRequest(TimestampMixin):
+class PolicySaveRequest(BaseModel):
     user_id: int
     policies: List[PolicyItem]
diff --git a/app/models/resumeSchemas.py b/app/models/resumeSchemas.py
index f9f3b2d..24bdc72 100644
--- a/app/models/resumeSchemas.py
+++ b/app/models/resumeSchemas.py
@@ -1,7 +1,8 @@
 from pydantic import BaseModel
 from typing import Dict
 from enum import Enum
-from app.models.common import TimestampMixin
+from datetime import datetime
+from typing import Optional
 
 
 class ResumeInitRequest(BaseModel):
@@ -25,12 +26,17 @@ class ResumeCategory(str, Enum):
     ACADEMIC = "ACADEMIC"
 
 
-class ResumeResult(TimestampMixin):
+class ResumeResult(BaseModel):
     title: str
     sections: Dict[str, str]
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
 
+    class Config:
+        orm_mode = True
 
-class ResumeSaveRequest(TimestampMixin):
+
+class ResumeSaveRequest(BaseModel):
     user_id: int
     title: str
     sections: Dict[str, str]
diff --git a/app/services/resume_service.py b/app/services/resume_service.py
index b457464..83c9ba3 100644
--- a/app/services/resume_service.py
+++ b/app/services/resume_service.py
@@ -5,6 +5,7 @@
 from langchain_openai import ChatOpenAI
 from app.db_models.resume import Resume
 from app.models.resumeSchemas import ResumeSaveRequest
+from app.models.resumeSchemas import ResumeResult
 
 llm = ChatOpenAI(model="gpt-4", temperature=0.7)
 
@@ -152,7 +153,7 @@ def save_resume_to_db(db: Session, data: ResumeSaveRequest):
     return resume
 
 
-def get_resumes_by_user_id(db: Session, user_id: int):
+def get_resumes_by_user_id(db: Session, user_id: int) -> list[ResumeResult]:
     resumes = db.query(Resume).filter(Resume.user_id == user_id).all()
     result = []
     for r in resumes:
@@ -160,5 +161,13 @@ def get_resumes_by_user_id(db: Session, user_id: int):
             content_dict = json.loads(r.content)
         except json.JSONDecodeError:
             content_dict = {}
-        result.append({"title": r.title, "sections": content_dict})
+
+        result.append(
+            ResumeResult(
+                title=r.title,
+                sections=content_dict,
+                created_at=r.created_at,
+                updated_at=r.updated_at,
+            )
+        )
     return result