diff --git a/core/fields.py b/core/fields.py
index 878fa92f..6dadd909 100644
--- a/core/fields.py
+++ b/core/fields.py
@@ -2,8 +2,8 @@
 
 
 class CustomListField(serializers.ListField):
-    def to_representation(self, data):
+    def to_representation(self, data) -> list:
         return [value.strip() for value in data.split(",") if value.strip()]
 
-    def to_internal_value(self, data):
+    def to_internal_value(self, data) -> str:
         return ",".join(data)
diff --git a/core/models.py b/core/models.py
index 221a1a60..e2580fe6 100644
--- a/core/models.py
+++ b/core/models.py
@@ -3,6 +3,7 @@
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.db.models import Model
+from django_stubs_ext.db.models import TypedModelMeta
 
 User = get_user_model()
 
@@ -23,7 +24,7 @@ class Link(Model):
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey("content_type", "object_id")
 
-    class Meta:
+    class Meta(TypedModelMeta):
         unique_together = (
             "link",
             "content_type",
@@ -32,7 +33,7 @@ class Meta:
         verbose_name = "Ссылка"
         verbose_name_plural = "Ссылки"
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"Link for {self.content_object} - {self.link}"
 
 
@@ -54,7 +55,7 @@ class Like(Model):
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey("content_type", "object_id")
 
-    class Meta:
+    class Meta(TypedModelMeta):
         unique_together = (
             "user",
             "content_type",
@@ -63,7 +64,7 @@ class Meta:
         verbose_name = "Лайк"
         verbose_name_plural = "Лайки"
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"Like<{self.user} - {self.content_object}>"
 
 
@@ -88,7 +89,7 @@ class View(Model):
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey("content_type", "object_id")
 
-    class Meta:
+    class Meta(TypedModelMeta):
         unique_together = (
             "user",
             "content_type",
@@ -97,7 +98,7 @@ class Meta:
         verbose_name = "Просмотр"
         verbose_name_plural = "Просмотры"
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"View<{self.user} - {self.content_object}>"
 
 
@@ -108,10 +109,10 @@ class SkillCategory(models.Model):
 
     name = models.CharField(max_length=256, null=False)
 
-    def __str__(self):
+    def __str__(self) -> str:
         return self.name
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Категория навыка"
         verbose_name_plural = "Категории навыков"
         ordering = ["name"]
@@ -129,13 +130,13 @@ class Skill(models.Model):
         related_name="skills",
     )
 
-    def __str__(self):
+    def __str__(self) -> str:
         return self.name
 
-    def __repr__(self):
+    def __repr__(self) -> str:
         return f"Skill<name={self.name},id={self.id}>"
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Навык"
         verbose_name_plural = "Навыки"
         ordering = ["id", "category", "name"]
@@ -160,7 +161,7 @@ class SkillToObject(models.Model):
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey("content_type", "object_id")
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Ссылка на навык"
         verbose_name_plural = "Ссылки на навыки"
 
@@ -168,10 +169,10 @@ class Meta:
 class SpecializationCategory(models.Model):
     name = models.TextField()
 
-    def __str__(self):
+    def __str__(self) -> str:
         return self.name
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Категория специализации"
         verbose_name_plural = "Категории специализаций"
 
@@ -182,10 +183,10 @@ class Specialization(models.Model):
         SpecializationCategory, related_name="specializations", on_delete=models.CASCADE
     )
 
-    def __str__(self):
+    def __str__(self) -> str:
         return self.name
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Специализация"
         verbose_name_plural = "Специализации"
 
diff --git a/core/serializers.py b/core/serializers.py
index 6fff7685..a74093ce 100644
--- a/core/serializers.py
+++ b/core/serializers.py
@@ -7,7 +7,7 @@ class SetLikedSerializer(serializers.Serializer):
     is_liked = serializers.BooleanField()
 
 
-class SetViewedSerializer(serializers.Serializer):
+class SetViewedSerializer(serializers.Serializer[SkillCategory]):
     is_viewed = serializers.BooleanField()
 
 
@@ -20,7 +20,7 @@ class Meta:
         ]
 
 
-class SkillSerializer(serializers.ModelSerializer):
+class SkillSerializer(serializers.ModelSerializer[Skill]):
     category = SkillCategorySerializer()
 
     class Meta:
@@ -28,7 +28,7 @@ class Meta:
         fields = ["id", "name", "category"]
 
 
-class SkillToObjectSerializer(serializers.ModelSerializer):
+class SkillToObjectSerializer(serializers.ModelSerializer[SkillToObject]):
     id = serializers.IntegerField(source="skill.id")
     name = serializers.CharField(source="skill.name")
     category = SkillCategorySerializer(source="skill.category")
diff --git a/vacancy/filters.py b/vacancy/filters.py
index 44c4d928..eb6b5db7 100644
--- a/vacancy/filters.py
+++ b/vacancy/filters.py
@@ -1,9 +1,10 @@
 from django_filters import rest_framework as filters
 
 from vacancy.models import Vacancy
+from django.db.models import QuerySet
 
 
-def project_id_filter(queryset, name, value):
+def project_id_filter(queryset, name, value) -> QuerySet:
     return queryset.filter(
         **{
             "project_id": value[0],
diff --git a/vacancy/models.py b/vacancy/models.py
index 3c6e9b76..7a6a8e69 100644
--- a/vacancy/models.py
+++ b/vacancy/models.py
@@ -3,6 +3,7 @@
 
 from projects.models import Project
 from vacancy.managers import VacancyManager, VacancyResponseManager
+from django_stubs_ext.db.models import TypedModelMeta
 
 
 class Vacancy(models.Model):
@@ -51,10 +52,10 @@ def get_required_skills(self):
             required_skills.append(sto.skill)
         return required_skills
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"Vacancy<{self.id}> - {self.role}"
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Вакансия"
         verbose_name_plural = "Вакансии"
         ordering = ["-datetime_created"]
@@ -100,10 +101,10 @@ class VacancyResponse(models.Model):
 
     objects = VacancyResponseManager()
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f"VacancyResponse<{self.id}> - {self.user} - {self.vacancy}"
 
-    class Meta:
+    class Meta(TypedModelMeta):
         verbose_name = "Отклик на вакансию"
         verbose_name_plural = "Отклик на вакансии"
         ordering = ["-datetime_created"]
diff --git a/vacancy/serializers.py b/vacancy/serializers.py
index 2b1007cf..b88f26e2 100644
--- a/vacancy/serializers.py
+++ b/vacancy/serializers.py
@@ -21,7 +21,7 @@ class RequiredSkillsWriteSerializerMixin(RequiredSkillsSerializerMixin):
     )
 
 
-class ProjectForVacancySerializer(serializers.ModelSerializer):
+class ProjectForVacancySerializer(serializers.ModelSerializer[Project]):
     class Meta:
         model = Project
         fields = [
@@ -33,7 +33,7 @@ class Meta:
 
 
 class VacancyDetailSerializer(
-    serializers.ModelSerializer, RequiredSkillsWriteSerializerMixin
+    serializers.ModelSerializer, RequiredSkillsWriteSerializerMixin[Vacancy]
 ):
     project = ProjectForVacancySerializer(many=False, read_only=True)
 
@@ -53,7 +53,7 @@ class Meta:
         read_only_fields = ["project"]
 
 
-class VacancyListSerializer(serializers.ModelSerializer, RequiredSkillsSerializerMixin):
+class VacancyListSerializer(serializers.ModelSerializer, RequiredSkillsSerializerMixin[Vacancy]):
     class Meta:
         model = Vacancy
         fields = [
@@ -69,7 +69,7 @@ class Meta:
 
 
 class ProjectVacancyListSerializer(
-    serializers.ModelSerializer, RequiredSkillsSerializerMixin
+    serializers.ModelSerializer, RequiredSkillsSerializerMixin[Vacancy]
 ):
     class Meta:
         model = Vacancy
@@ -84,7 +84,7 @@ class Meta:
 
 
 class ProjectVacancyCreateListSerializer(
-    serializers.ModelSerializer, RequiredSkillsWriteSerializerMixin
+    serializers.ModelSerializer, RequiredSkillsWriteSerializerMixin[Vacancy]
 ):
     def create(self, validated_data):
         project = validated_data["project"]
@@ -124,7 +124,7 @@ class Meta:
         ]
 
 
-class VacancyResponseListSerializer(serializers.ModelSerializer):
+class VacancyResponseListSerializer(serializers.ModelSerializer[VacancyResponse]):
     is_approved = serializers.BooleanField(read_only=True)
     user = UserDetailSerializer(read_only=True)
     user_id = serializers.IntegerField(write_only=True)
@@ -165,7 +165,7 @@ def create(self, validated_data):
         return vacancy_response
 
 
-class VacancyResponseDetailSerializer(serializers.ModelSerializer):
+class VacancyResponseDetailSerializer(serializers.ModelSerializer[VacancyResponse]):
     user = UserDetailSerializer(many=False, read_only=True)
     vacancy = VacancyListSerializer(many=False, read_only=True)
     is_approved = serializers.BooleanField(read_only=True)
@@ -183,5 +183,5 @@ class Meta:
         ]
 
 
-class VacancyResponseAcceptSerializer(VacancyResponseDetailSerializer):
+class VacancyResponseAcceptSerializer(VacancyResponseDetailSerializer[VacancyResponse]):
     is_approved = serializers.BooleanField(required=True, read_only=False)