diff --git a/backend/src/main/java/codezap/global/cors/CorsProperties.java b/backend/src/main/java/codezap/global/cors/CorsProperties.java
index f1fdb4e74..339428dc4 100644
--- a/backend/src/main/java/codezap/global/cors/CorsProperties.java
+++ b/backend/src/main/java/codezap/global/cors/CorsProperties.java
@@ -4,8 +4,12 @@
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.bind.DefaultValue;
 
+import lombok.Getter;
+
+@Getter
 @ConfigurationProperties(prefix = "cors")
 public class CorsProperties {
+
     private final String[] allowedOrigins;
     private final String[] allowedOriginsPatterns;
 
@@ -16,12 +20,4 @@ public CorsProperties(
         this.allowedOrigins = allowedOrigins;
         this.allowedOriginsPatterns = allowedOriginsPatterns;
     }
-
-    public String[] getAllowedOrigins() {
-        return allowedOrigins;
-    }
-
-    public String[] getAllowedOriginsPatterns() {
-        return allowedOriginsPatterns;
-    }
 }
diff --git a/backend/src/main/java/codezap/global/exception/CodeZapException.java b/backend/src/main/java/codezap/global/exception/CodeZapException.java
index 71af97c34..bfbf3ed1a 100644
--- a/backend/src/main/java/codezap/global/exception/CodeZapException.java
+++ b/backend/src/main/java/codezap/global/exception/CodeZapException.java
@@ -6,6 +6,7 @@
 
 @Getter
 public class CodeZapException extends RuntimeException {
+
     private final HttpStatusCode httpStatusCode;
 
     public CodeZapException(HttpStatusCode httpStatusCode, String message) {
diff --git a/backend/src/main/java/codezap/global/rds/DataSourceRouter.java b/backend/src/main/java/codezap/global/rds/DataSourceRouter.java
index d9a76a32e..9ffbe3ef9 100644
--- a/backend/src/main/java/codezap/global/rds/DataSourceRouter.java
+++ b/backend/src/main/java/codezap/global/rds/DataSourceRouter.java
@@ -12,7 +12,7 @@ public class DataSourceRouter extends AbstractRoutingDataSource {
     protected Object determineCurrentLookupKey() {
         boolean readOnly = TransactionSynchronizationManager.isCurrentTransactionReadOnly();
 
-        if(readOnly) {
+        if (readOnly) {
             return READER_KEY;
         }
         return WRITER_KEY;
diff --git a/backend/src/main/java/codezap/global/serialization/DateTimeFormatConfiguration.java b/backend/src/main/java/codezap/global/serialization/DateTimeFormatConfiguration.java
index 959886ebe..85f47477e 100644
--- a/backend/src/main/java/codezap/global/serialization/DateTimeFormatConfiguration.java
+++ b/backend/src/main/java/codezap/global/serialization/DateTimeFormatConfiguration.java
@@ -10,6 +10,7 @@
 
 @Configuration
 public class DateTimeFormatConfiguration {
+
     private static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
 
     @Bean
diff --git a/backend/src/main/java/codezap/global/swagger/AuthOperationCustomizer.java b/backend/src/main/java/codezap/global/swagger/AuthOperationCustomizer.java
index 62b4ee27d..e2622bb6c 100644
--- a/backend/src/main/java/codezap/global/swagger/AuthOperationCustomizer.java
+++ b/backend/src/main/java/codezap/global/swagger/AuthOperationCustomizer.java
@@ -27,6 +27,7 @@
  */
 @Component
 public class AuthOperationCustomizer implements OperationCustomizer {
+
     private static final ObjectMapper objectMapper = new ObjectMapper();
 
     @Override
diff --git a/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponses.java b/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponses.java
index 2589cf96d..8d3ad4ff6 100644
--- a/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponses.java
+++ b/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponses.java
@@ -8,5 +8,6 @@
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface ApiErrorResponses {
+
     ApiErrorResponse[] value();
 }
diff --git a/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponsesCustomizer.java b/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponsesCustomizer.java
index a2bcc78aa..766444dc5 100644
--- a/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponsesCustomizer.java
+++ b/backend/src/main/java/codezap/global/swagger/error/ApiErrorResponsesCustomizer.java
@@ -20,6 +20,7 @@
 
 @Component
 public class ApiErrorResponsesCustomizer implements OperationCustomizer {
+
     @Override
     public Operation customize(Operation operation, HandlerMethod handlerMethod) {
         List<ApiErrorResponse> apiErrorResponses = getApiErrorResponses(handlerMethod);
diff --git a/backend/src/main/java/codezap/global/validation/ValidationGroups.java b/backend/src/main/java/codezap/global/validation/ValidationGroups.java
index df4729a5c..8f36c360e 100644
--- a/backend/src/main/java/codezap/global/validation/ValidationGroups.java
+++ b/backend/src/main/java/codezap/global/validation/ValidationGroups.java
@@ -1,6 +1,7 @@
 package codezap.global.validation;
 
 public class ValidationGroups {
+
     public interface NotNullGroup {}
 
     public interface SourceCodeOrdinalGroup {}
diff --git a/backend/src/main/java/codezap/likes/repository/LikesRepository.java b/backend/src/main/java/codezap/likes/repository/LikesRepository.java
index 7b8dba971..26df06b0a 100644
--- a/backend/src/main/java/codezap/likes/repository/LikesRepository.java
+++ b/backend/src/main/java/codezap/likes/repository/LikesRepository.java
@@ -7,6 +7,7 @@
 import codezap.template.domain.Template;
 
 public interface LikesRepository {
+
     Likes save(Likes likes);
 
     boolean existsByMemberAndTemplate(Member member, Template template);
diff --git a/backend/src/main/java/codezap/tag/controller/SpringDocTagController.java b/backend/src/main/java/codezap/tag/controller/SpringDocTagController.java
index efc67d367..af3006ae6 100644
--- a/backend/src/main/java/codezap/tag/controller/SpringDocTagController.java
+++ b/backend/src/main/java/codezap/tag/controller/SpringDocTagController.java
@@ -10,6 +10,7 @@
 
 @Tag(name = "태그 API", description = "태그 조회 API")
 public interface SpringDocTagController {
+
     @SecurityRequirement(name = "쿠키 인증 토큰")
     @Operation(summary = "태그 조회", description = "해당 멤버의 템플릿들에 포함된 태그를 조회합니다.")
     @ApiResponse(responseCode = "200", description = "태그 조회 성공")
diff --git a/backend/src/main/java/codezap/tag/repository/TagJpaRepository.java b/backend/src/main/java/codezap/tag/repository/TagJpaRepository.java
index 27d7e4257..06a00d318 100644
--- a/backend/src/main/java/codezap/tag/repository/TagJpaRepository.java
+++ b/backend/src/main/java/codezap/tag/repository/TagJpaRepository.java
@@ -24,8 +24,9 @@ default Tag fetchByName(String name) {
                 () -> new CodeZapException(HttpStatus.NOT_FOUND, "이름이 " + name + "인 태그는 존재하지 않습니다."));
     }
 
-    Optional<Tag> findByName(String name);
+    @Query(value = "SELECT * FROM tag WHERE tag.name = BINARY :name", nativeQuery = true)
+    Optional<Tag> findByName(@Param("name") String name);
 
-    @Query("select t.name from Tag t where t.name in :names")
-    List<String> findNameByNamesIn(@Param("names") List<String> names);
+    @Query(value = "SELECT * FROM tag WHERE tag.name COLLATE utf8mb4_bin IN :names", nativeQuery = true)
+    List<Tag> findAllByNames(@Param("names") List<String> names);
 }
diff --git a/backend/src/main/java/codezap/tag/repository/TagRepository.java b/backend/src/main/java/codezap/tag/repository/TagRepository.java
index ab5760e51..bc547bda9 100644
--- a/backend/src/main/java/codezap/tag/repository/TagRepository.java
+++ b/backend/src/main/java/codezap/tag/repository/TagRepository.java
@@ -13,7 +13,7 @@ public interface TagRepository {
 
     Optional<Tag> findByName(String name);
 
-    List<Tag> findByNameIn(List<String> names);
+    List<Tag> findAllByNames(List<String> names);
 
     Tag save(Tag tag);
 
diff --git a/backend/src/main/java/codezap/tag/repository/TemplateTagJpaRepository.java b/backend/src/main/java/codezap/tag/repository/TemplateTagJpaRepository.java
index 5363b6cf4..2e81c2722 100644
--- a/backend/src/main/java/codezap/tag/repository/TemplateTagJpaRepository.java
+++ b/backend/src/main/java/codezap/tag/repository/TemplateTagJpaRepository.java
@@ -5,6 +5,7 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 import codezap.tag.domain.Tag;
 import codezap.template.domain.Template;
@@ -22,19 +23,19 @@ public interface TemplateTagJpaRepository extends TemplateTagRepository, JpaRepo
     List<Tag> findAllTagsByTemplate(Template template);
 
     @Query("""
-        SELECT tt, t
-        FROM TemplateTag tt
-        JOIN FETCH tt.tag t
-        WHERE tt.id.templateId = :templateId
-        """)
+            SELECT tt, t
+            FROM TemplateTag tt
+            JOIN FETCH tt.tag t
+            WHERE tt.id.templateId = :templateId
+            """)
     List<TemplateTag> findAllByTemplateId(Long templateId);
 
     @Query("""
-        SELECT tt, t
-        FROM TemplateTag tt
-        JOIN FETCH tt.tag t
-        WHERE tt.id.templateId in :templateIds
-        """)
+            SELECT tt, t
+            FROM TemplateTag tt
+            JOIN FETCH tt.tag t
+            WHERE tt.id.templateId in :templateIds
+            """)
     List<TemplateTag> findAllByTemplateIdsIn(List<Long> templateIds);
 
     @Query("""
@@ -43,13 +44,14 @@ public interface TemplateTagJpaRepository extends TemplateTagRepository, JpaRepo
             WHERE t.id IN (
                 SELECT DISTINCT tt.id.tagId
                 FROM TemplateTag tt
-                WHERE tt.id.templateId IN
-                    (SELECT te.id FROM Template te WHERE te.member.id = :memberId)
-        )
-        """)
+                WHERE tt.id.templateId IN (
+                    SELECT te.id FROM Template te WHERE te.member.id = :memberId
+                )
+            )
+            """)
     List<Tag> findAllTagDistinctByMemberId(Long memberId);
 
     @Modifying(clearAutomatically = true)
     @Query("DELETE FROM TemplateTag t WHERE t.template.id in :templateIds")
-    void deleteByTemplateIds(List<Long> templateIds);
+    void deleteByTemplateIds(@Param("templateIds") List<Long> templateIds);
 }
diff --git a/backend/src/main/java/codezap/tag/repository/TemplateTagRepository.java b/backend/src/main/java/codezap/tag/repository/TemplateTagRepository.java
index 5b48d13c1..e8dfc92f1 100644
--- a/backend/src/main/java/codezap/tag/repository/TemplateTagRepository.java
+++ b/backend/src/main/java/codezap/tag/repository/TemplateTagRepository.java
@@ -16,8 +16,6 @@ public interface TemplateTagRepository {
 
     List<TemplateTag> findAllByTemplateId(Long templateId);
 
-    List<Long> findDistinctByTemplateIn(List<Long> templateIds);
-
     List<TemplateTag> findAllByTemplateIdsIn(List<Long> templateIds);
 
     TemplateTag save(TemplateTag templateTag);
diff --git a/backend/src/main/java/codezap/tag/service/TagService.java b/backend/src/main/java/codezap/tag/service/TagService.java
index 5a7076654..44d279b34 100644
--- a/backend/src/main/java/codezap/tag/service/TagService.java
+++ b/backend/src/main/java/codezap/tag/service/TagService.java
@@ -24,7 +24,7 @@ public class TagService {
 
     @Transactional
     public void createTags(Template template, List<String> tagNames) {
-        List<Tag> existingTags = new ArrayList<>(tagRepository.findByNameIn(tagNames));
+        List<Tag> existingTags = new ArrayList<>(tagRepository.findAllByNames(tagNames));
         List<String> existNames = existingTags.stream()
                 .map(Tag::getName)
                 .toList();
diff --git a/backend/src/main/java/codezap/template/controller/SpringDocTemplateController.java b/backend/src/main/java/codezap/template/controller/SpringDocTemplateController.java
index 4d0480a68..1537e39e6 100644
--- a/backend/src/main/java/codezap/template/controller/SpringDocTemplateController.java
+++ b/backend/src/main/java/codezap/template/controller/SpringDocTemplateController.java
@@ -27,7 +27,7 @@ public interface SpringDocTemplateController {
             새로운 템플릿을 생성합니다. \n
             템플릿명, 템플릿 설명, 소스 코드 목록, 썸네일 순서, 카테고리 ID, 태그 목록이 필요합니다. \n
             * 템플릿 이름은 비어있거나 공백일 수 없다.
-            
+                        
             소스 코드 목록은 파일명, 소스 코드, 소스 코드 순서가 필요합니다. \n
             * 소스 코드 순서는 1부터 시작합니다.
             * 소스 코드 순서는 오름차순으로 정렬하여 보내야 합니다.
@@ -62,13 +62,13 @@ public interface SpringDocTemplateController {
               - 검색 키워드 (템플릿명, 템플릿 설명, 파일명, 소스 코드)
               - 카테고리 ID
               - 태그 ID들 \n
-            
+                        
             페이징 조건을 줄 수 있습니다. 페이지 번호는 1, 템플릿 개수는 20, 정렬 방식은 최신순이 기본 값입니다. \n
             - 페이징 조건 \n
               - 페이지 번호(pageNumber)
               - 한 페이지에 템플릿 개수(pageSize)
               - 페이지 정렬 방식(sort) \n
-            
+                        
             - 정렬 방식 \n
               - 최신순 (modifiedAt,asc)
               - 오래된순 (modifiedAt,desc)
@@ -102,13 +102,13 @@ ResponseEntity<FindAllTemplatesResponse> findAllTemplates(
               - 검색 키워드 (템플릿명, 템플릿 설명, 파일명, 소스 코드)
               - 카테고리 ID
               - 태그 ID들 \n
-            
+                        
             페이징 조건을 줄 수 있습니다. 페이지 번호는 1, 템플릿 개수는 20, 정렬 방식은 최신순이 기본 값입니다. \n
             - 페이징 조건 \n
               - 페이지 번호(pageNumber)
               - 한 페이지에 템플릿 개수(pageSize)
               - 페이지 정렬 방식(sort) \n
-            
+                        
             - 정렬 방식 \n
               - 최신순 (modifiedAt,asc)
               - 오래된순 (modifiedAt,desc)
diff --git a/backend/src/main/java/codezap/template/repository/FullTextSearchMySQLDialect.java b/backend/src/main/java/codezap/template/repository/FullTextSearchMySQLDialect.java
index a97023fa3..49bcd931f 100644
--- a/backend/src/main/java/codezap/template/repository/FullTextSearchMySQLDialect.java
+++ b/backend/src/main/java/codezap/template/repository/FullTextSearchMySQLDialect.java
@@ -32,7 +32,12 @@ public ExactPhraseMatchFunction() {
         }
 
         @Override
-        public void render(SqlAppender sqlAppender, List<? extends SqlAstNode> arguments, ReturnableType<?> returnType, SqlAstTranslator<?> translator) {
+        public void render(
+                SqlAppender sqlAppender,
+                List<? extends SqlAstNode> arguments,
+                ReturnableType<?> returnType,
+                SqlAstTranslator<?> translator
+        ) {
             sqlAppender.appendSql("MATCH(");
             translator.render(arguments.get(0), SqlAstNodeRenderingMode.DEFAULT);
             sqlAppender.appendSql(", ");
diff --git a/backend/src/main/java/codezap/template/repository/SourceCodeJpaRepository.java b/backend/src/main/java/codezap/template/repository/SourceCodeJpaRepository.java
index 57fcc7243..36c472788 100644
--- a/backend/src/main/java/codezap/template/repository/SourceCodeJpaRepository.java
+++ b/backend/src/main/java/codezap/template/repository/SourceCodeJpaRepository.java
@@ -14,6 +14,7 @@
 
 @SuppressWarnings("unused")
 public interface SourceCodeJpaRepository extends SourceCodeRepository, JpaRepository<SourceCode, Long> {
+
     default SourceCode fetchById(Long id) {
         return findById(id).orElseThrow(
                 () -> new CodeZapException(HttpStatus.NOT_FOUND, "식별자 " + id + "에 해당하는 소스 코드가 존재하지 않습니다."));
diff --git a/backend/src/main/java/codezap/template/repository/SourceCodeRepository.java b/backend/src/main/java/codezap/template/repository/SourceCodeRepository.java
index 1f6936857..745f3ae77 100644
--- a/backend/src/main/java/codezap/template/repository/SourceCodeRepository.java
+++ b/backend/src/main/java/codezap/template/repository/SourceCodeRepository.java
@@ -7,6 +7,7 @@
 import codezap.template.domain.Template;
 
 public interface SourceCodeRepository {
+
     SourceCode fetchById(Long id);
 
     List<SourceCode> findAllByTemplate(Template template);
diff --git a/backend/src/main/java/codezap/template/repository/TemplateSpecification.java b/backend/src/main/java/codezap/template/repository/TemplateSpecification.java
index 2001ec93a..71aef43dd 100644
--- a/backend/src/main/java/codezap/template/repository/TemplateSpecification.java
+++ b/backend/src/main/java/codezap/template/repository/TemplateSpecification.java
@@ -17,6 +17,7 @@
 import codezap.template.domain.TemplateTag;
 
 public class TemplateSpecification implements Specification<Template> {
+
     private final Long memberId;
     private final String keyword;
     private final Long categoryId;
diff --git a/backend/src/main/java/codezap/template/repository/ThumbnailJpaRepository.java b/backend/src/main/java/codezap/template/repository/ThumbnailJpaRepository.java
index 5ad7d18fc..cd2343ce2 100644
--- a/backend/src/main/java/codezap/template/repository/ThumbnailJpaRepository.java
+++ b/backend/src/main/java/codezap/template/repository/ThumbnailJpaRepository.java
@@ -23,11 +23,11 @@ default Thumbnail fetchByTemplate(Template template) {
     }
 
     @Query("""
-        SELECT t, sc
-        FROM Thumbnail t
-        join fetch t.sourceCode sc
-        WHERE t.template = :template
-        """)
+            SELECT t, sc
+            FROM Thumbnail t
+            join fetch t.sourceCode sc
+            WHERE t.template = :template
+            """)
     Optional<Thumbnail> findByTemplate(Template template);
 
 
diff --git a/backend/src/test/java/codezap/auth/manager/CookieCredentialManagerTest.java b/backend/src/test/java/codezap/auth/manager/CookieCredentialManagerTest.java
index ba146dd98..f41787a72 100644
--- a/backend/src/test/java/codezap/auth/manager/CookieCredentialManagerTest.java
+++ b/backend/src/test/java/codezap/auth/manager/CookieCredentialManagerTest.java
@@ -22,7 +22,6 @@ class CookieCredentialManagerTest {
 
     private MockHttpServletRequest request;
     private MockHttpServletResponse response;
-
     private CookieCredentialManager cookieCredentialManager;
 
     @BeforeEach
@@ -34,7 +33,7 @@ void setUp() {
 
     @Nested
     @DisplayName("인증 정보 반환")
-    class getCredential {
+    class GetCredential {
 
         @Test
         @DisplayName("인증 정보 반환 성공")
diff --git a/backend/src/test/java/codezap/auth/provider/basic/BasicAuthCredentialProviderTest.java b/backend/src/test/java/codezap/auth/provider/basic/BasicAuthCredentialProviderTest.java
index ef497f64d..6592e3b6e 100644
--- a/backend/src/test/java/codezap/auth/provider/basic/BasicAuthCredentialProviderTest.java
+++ b/backend/src/test/java/codezap/auth/provider/basic/BasicAuthCredentialProviderTest.java
@@ -43,7 +43,8 @@ void createCredential() {
 
     @Nested
     @DisplayName("인증 정보로부터 회원 추출")
-    class extractMember {
+    class ExtractMember {
+
         @Test
         @DisplayName("회원 추출 성공")
         void extractMember() {
diff --git a/backend/src/test/java/codezap/auth/service/AuthServiceTest.java b/backend/src/test/java/codezap/auth/service/AuthServiceTest.java
index 56e9b1adc..d7820c660 100644
--- a/backend/src/test/java/codezap/auth/service/AuthServiceTest.java
+++ b/backend/src/test/java/codezap/auth/service/AuthServiceTest.java
@@ -17,8 +17,6 @@
 import codezap.auth.dto.LoginAndCredentialDto;
 import codezap.auth.dto.request.LoginRequest;
 import codezap.auth.dto.response.LoginResponse;
-import codezap.auth.encryption.PasswordEncryptor;
-import codezap.auth.encryption.SHA2PasswordEncryptor;
 import codezap.auth.provider.CredentialProvider;
 import codezap.global.DatabaseIsolation;
 import codezap.global.exception.CodeZapException;
@@ -29,6 +27,7 @@
 @SpringBootTest
 @DatabaseIsolation
 public class AuthServiceTest {
+
     @Autowired
     private MemberRepository memberRepository;
 
diff --git a/backend/src/test/java/codezap/category/controller/CategoryControllerTest.java b/backend/src/test/java/codezap/category/controller/CategoryControllerTest.java
index cf12f97a0..86889e69f 100644
--- a/backend/src/test/java/codezap/category/controller/CategoryControllerTest.java
+++ b/backend/src/test/java/codezap/category/controller/CategoryControllerTest.java
@@ -40,7 +40,7 @@ class CategoryControllerTest extends MockMvcTest {
 
     @Nested
     @DisplayName("카테고리 생성 테스트")
-    class createCategoryTest {
+    class CreateCategoryTest {
 
         @Test
         @DisplayName("카테고리 생성 성공")
@@ -109,7 +109,7 @@ void findAllCategoriesSuccess() throws Exception {
 
     @Nested
     @DisplayName("카테고리 수정 테스트")
-    class updateCategoryTest {
+    class UpdateCategoryTest {
 
         @Test
         @DisplayName("카테고리 수정 성공")
@@ -174,7 +174,7 @@ void updateCategoryFailWithDuplicatedName() throws Exception {
 
     @Nested
     @DisplayName("카테고리 삭제 테스트")
-    class deleteCategoryTest {
+    class DeleteCategoryTest {
 
         @Test
         @DisplayName("카테고리 삭제 성공")
@@ -205,7 +205,7 @@ void deleteCategoryFailWithUnauthorized() throws Exception {
 
         @Test
         @DisplayName("카테고리 삭제 실패: 존재하지 않는 카테고리의 삭제 요청")
-        void updateCategoryFailWithDuplicatedName() throws Exception {
+        void deleteCategoryFailWithDuplicatedName() throws Exception {
             long id = 2L;
 
             doThrow(new CodeZapException(HttpStatus.NOT_FOUND, "식별자 " + id + "에 해당하는 카테고리가 존재하지 않습니다."))
@@ -220,7 +220,7 @@ void updateCategoryFailWithDuplicatedName() throws Exception {
 
         @Test
         @DisplayName("카테고리 삭제 실패: 템플릿이 존재하는 카테고리는 삭제 불가능")
-        void updateCategoryFailWithlongName() throws Exception {
+        void deleteCategoryFailWithlongName() throws Exception {
             long categoryId = 1L;
             doThrow(new CodeZapException(HttpStatus.BAD_REQUEST, "템플릿이 존재하는 카테고리는 삭제할 수 없습니다."))
                     .when(categoryService).deleteById(any(), any());
diff --git a/backend/src/test/java/codezap/member/repository/MemberJpaRepositoryTest.java b/backend/src/test/java/codezap/member/repository/MemberJpaRepositoryTest.java
index 085992e78..5eb55fade 100644
--- a/backend/src/test/java/codezap/member/repository/MemberJpaRepositoryTest.java
+++ b/backend/src/test/java/codezap/member/repository/MemberJpaRepositoryTest.java
@@ -32,7 +32,8 @@ class MemberJpaRepositoryTest {
 
     @Nested
     @DisplayName("id로 Member 조회")
-    class fetchById {
+    class FetchById {
+
         @Test
         @DisplayName("성공 : id로 Member 조회 가능")
         void fetchByIdSuccess() {
@@ -56,7 +57,8 @@ void fetchByIdFailByNotExistsId() {
 
     @Nested
     @DisplayName("닉네임(아이디)로 Member 조회")
-    class fetchByName {
+    class FetchByName {
+
         @Test
         @DisplayName("성공 : 닉네임으로 Member 조회 가능")
         void fetchByNameSuccess() {
@@ -80,7 +82,8 @@ void fetchByNameFailByNotExistsId() {
 
     @Nested
     @DisplayName("템플릿 id로 Member 조회")
-    class fetchByTemplateId {
+    class FetchByTemplateId {
+
         @Test
         @DisplayName("성공 : 템플릿 id로 Member 조회 가능")
         void fetchByTemplateIdSuccess() {
@@ -106,7 +109,8 @@ void fetchByTemplateIdFailByNotExistsId() {
 
     @Nested
     @DisplayName("닉네임(아이디) 존재 여부")
-    class existsByName {
+    class ExistsByName {
+
         @Test
         @DisplayName("성공 : 해당 닉네임이 존재하면 true를 반환")
         void existsByNameReturnTrue() {
diff --git a/backend/src/test/java/codezap/tag/repository/TagJpaRepositoryTest.java b/backend/src/test/java/codezap/tag/repository/TagJpaRepositoryTest.java
index 5025d4555..15d1bce87 100644
--- a/backend/src/test/java/codezap/tag/repository/TagJpaRepositoryTest.java
+++ b/backend/src/test/java/codezap/tag/repository/TagJpaRepositoryTest.java
@@ -3,6 +3,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+import java.util.List;
 import java.util.Optional;
 
 import org.junit.jupiter.api.DisplayName;
@@ -22,7 +23,8 @@ class TagJpaRepositoryTest {
 
     @Nested
     @DisplayName("id로 태그 조회")
-    class fetchById {
+    class FetchById {
+
         @Test
         @DisplayName("id로 태그 조회 성공 : id로 태그를 알아낼 수 있다.")
         void fetchByIdSuccess() {
@@ -46,7 +48,8 @@ void fetchByIdFailByNotExistsId() {
 
     @Nested
     @DisplayName("태그명으로 태그 조회(fetch)")
-    class fetchByName {
+    class FetchByName {
+
         @Test
         @DisplayName("태그명으로 태그 조회 성공 : 태그명으로 태그를 조회할 수 있다.")
         void fetchByNameSuccess() {
@@ -57,6 +60,19 @@ void fetchByNameSuccess() {
             assertThat(actual).isEqualTo(tag);
         }
 
+        @Test
+        @DisplayName("태그명으로 태그 조회 성공 : 대소문자 구분")
+        void findByNameSuccessCaseSensitive() {
+            Tag lowerCaseTag = tagRepository.save(new Tag("java"));
+            Tag upperCaseTag = tagRepository.save(new Tag("Java"));
+
+            var actual1 = tagRepository.fetchByName("java");
+            var actual2 = tagRepository.fetchByName("Java");
+
+            assertThat(actual1).isEqualTo(lowerCaseTag);
+            assertThat(actual2).isEqualTo(upperCaseTag);
+        }
+
         @Test
         @DisplayName("태그명으로 태그 조회 실패 : 존재하지 않는 태그명인 경우 에러가 발생한다.")
         void fetchByNameFailByNotExistsId() {
@@ -70,7 +86,8 @@ void fetchByNameFailByNotExistsId() {
 
     @Nested
     @DisplayName("태그명으로 태그 조회(find)")
-    class findByName {
+    class FindByName {
+
         @Test
         @DisplayName("태그명으로 태그 조회 성공 : 태그명으로 태그를 알아낼 수 있다.")
         void findByNameSuccess() {
@@ -89,4 +106,34 @@ void findByNameFailByNotExistsId() {
             assertThat(actual).isEmpty();
         }
     }
+
+    @Nested
+    @DisplayName("태그명 리스트로 태그 조회")
+    class FindAllByNames {
+
+        @Test
+        @DisplayName("태그명 리스트로 태그 조회 성공")
+        void findAllByNamesSuccess() {
+            Tag lowerCaseTag1 = tagRepository.save(new Tag("java"));
+            Tag lowerCaseTag2 = tagRepository.save(new Tag("javascript"));
+            Tag lowerCaseTag3 = tagRepository.save(new Tag("typescript"));
+            Tag upperCaseTag1 = tagRepository.save(new Tag("Java"));
+            Tag upperCaseTag2 = tagRepository.save(new Tag("Javascript"));
+            Tag upperCaseTag3 = tagRepository.save(new Tag("Typescript"));
+            tagRepository.saveAll(List.of(
+                    lowerCaseTag1,
+                    lowerCaseTag2,
+                    lowerCaseTag3,
+                    upperCaseTag1,
+                    upperCaseTag2,
+                    upperCaseTag3));
+
+            var names = List.of(lowerCaseTag1.getName(), lowerCaseTag3.getName());
+            var actual = tagRepository.findAllByNames(names);
+
+            assertThat(actual)
+                    .containsExactlyInAnyOrder(lowerCaseTag1, lowerCaseTag3)
+                    .doesNotContain(lowerCaseTag2, upperCaseTag1, upperCaseTag2, upperCaseTag3);
+        }
+    }
 }
diff --git a/backend/src/test/java/codezap/template/controller/TemplateControllerTest.java b/backend/src/test/java/codezap/template/controller/TemplateControllerTest.java
index ed5c5fa06..4b8df22f8 100644
--- a/backend/src/test/java/codezap/template/controller/TemplateControllerTest.java
+++ b/backend/src/test/java/codezap/template/controller/TemplateControllerTest.java
@@ -121,7 +121,7 @@ void setCookie() {
 
     @Nested
     @DisplayName("템플릿 생성 테스트")
-    class createTemplateTest {
+    class CreateTemplateTest {
 
         @ParameterizedTest
         @DisplayName("템플릿 생성 성공")
@@ -535,7 +535,7 @@ void createTemplateFailWithNotSourceCode() throws Exception {
 
     @Nested
     @DisplayName("템플릿 단건 조회 테스트")
-    class findTemplateTest {
+    class FindTemplateTest {
 //        @Test
 //        @DisplayName("템플릿 단건 조회 성공")
 //        void findOneTemplateSuccess() throws Exception {
@@ -572,7 +572,7 @@ void findOneTemplateFailWithNotFoundTemplate() throws Exception {
 
     @Nested
     @DisplayName("템플릿 수정 테스트")
-    class updateTemplateTest {
+    class UpdateTemplateTest {
 
         @Test
         @DisplayName("템플릿 수정 성공")
@@ -1082,7 +1082,7 @@ private void createTemplateAndTwoCategories() {
 
     @Nested
     @DisplayName("템플릿 삭제 테스트")
-    class deleteTemplateTest {
+    class DeleteTemplateTest {
 
         @Test
         @DisplayName("템플릿 삭제 성공: 1개")
diff --git a/backend/src/test/java/codezap/template/repository/FakeTagRepository.java b/backend/src/test/java/codezap/template/repository/FakeTagRepository.java
index f7175c519..86f651a3c 100644
--- a/backend/src/test/java/codezap/template/repository/FakeTagRepository.java
+++ b/backend/src/test/java/codezap/template/repository/FakeTagRepository.java
@@ -42,7 +42,7 @@ public Optional<Tag> findByName(String name) {
     }
 
     @Override
-    public List<Tag> findByNameIn(List<String> names) {
+    public List<Tag> findAllByNames(List<String> names) {
         return List.of();
     }
 
diff --git a/backend/src/test/java/codezap/template/repository/FakeTemplateTagRepository.java b/backend/src/test/java/codezap/template/repository/FakeTemplateTagRepository.java
index 99062219b..40d3755ea 100644
--- a/backend/src/test/java/codezap/template/repository/FakeTemplateTagRepository.java
+++ b/backend/src/test/java/codezap/template/repository/FakeTemplateTagRepository.java
@@ -37,12 +37,7 @@ public List<TemplateTag> findAllByTemplateId(Long templateId) {
                 .filter(templateTag -> Objects.equals(templateTag.getTemplate(), templateId))
                 .toList();
     }
-
-    @Override
-    public List<Long> findDistinctByTemplateIn(List<Long> templateIds) {
-        return List.of();
-    }
-
+    
     @Override
     public TemplateTag save(TemplateTag entity) {
         var saved = new TemplateTag(
diff --git a/backend/src/test/java/codezap/template/service/TemplateSearchServiceTest.java b/backend/src/test/java/codezap/template/service/TemplateSearchServiceTest.java
index b1e334d94..60ac4452b 100644
--- a/backend/src/test/java/codezap/template/service/TemplateSearchServiceTest.java
+++ b/backend/src/test/java/codezap/template/service/TemplateSearchServiceTest.java
@@ -290,7 +290,6 @@ void findAllSuccessWithNoResults() {
         }
     }
 
-
     @Nested
     class FindAllPagination {