diff --git a/src/main/java/com/codiary/backend/domain/member/controller/MemberController.java b/src/main/java/com/codiary/backend/domain/member/controller/MemberController.java
index 74b1f058..9b7f3d4c 100644
--- a/src/main/java/com/codiary/backend/domain/member/controller/MemberController.java
+++ b/src/main/java/com/codiary/backend/domain/member/controller/MemberController.java
@@ -35,38 +35,33 @@ public class MemberController {
 
     @PatchMapping(path = "/profile-image", consumes = "multipart/form-data")
     @Operation(summary = "프로필 사진 설정")
-    public ApiResponse<MemberResponseDTO.MemberImageDTO> updateProfileImage(@ModelAttribute MemberRequestDTO.MemberProfileImageRequestDTO request) {
-        Member member = memberCommandService.getRequester();
-
-        return memberCommandService.updateProfileImage(member, request);
+    public ApiResponse<MemberResponseDTO.MemberImageDTO> updateProfileImage(@AuthenticationPrincipal CustomMemberDetails memberDetails, @ModelAttribute MemberRequestDTO.MemberProfileImageRequestDTO request) {
+        return memberCommandService.updateProfileImage(memberDetails.getId(), request);
     }
 
     @DeleteMapping("/profile-image")
     @Operation(summary = "프로필 사진 삭제")
-    public ApiResponse<String> deleteProfileImage() {
-        Member member = memberCommandService.getRequester();
-        return memberCommandService.deleteProfileImage(member);
+    public ApiResponse<String> deleteProfileImage(@AuthenticationPrincipal CustomMemberDetails memberDetails) {
+        return memberCommandService.deleteProfileImage(memberDetails.getId());
     }
 
-    @GetMapping("/{memberId}/profile-image")
+    @GetMapping("/{member_id}/profile-image")
     @Operation(summary = "사용자 프로필 사진 조회")
-    public ApiResponse<MemberResponseDTO.MemberImageDTO> getProfileImage(@PathVariable Long memberId) {
+    public ApiResponse<MemberResponseDTO.MemberImageDTO> getProfileImage(@PathVariable("member_id") Long memberId) {
         return memberQueryService.getProfileImage(memberId);
     }
 
     @GetMapping("/profile/{member_id}")
     @Operation(summary = "사용자 프로필 기본 정보 조회", description = "마이페이지 사용자 정보 조회 기능")
-    public ApiResponse<MemberResponseDTO.SimpleMemberDTO> getUserProfile(@PathVariable(value = "member_id") Long memberId){
-        Member member = memberCommandService.getRequester();
-        Member user = memberQueryService.getUserProfile(memberId);
-        return ApiResponse.onSuccess(SuccessStatus.MEMBER_OK, MemberConverter.toSimpleMemberResponseDto(member, user));
+    public ApiResponse<MemberResponseDTO.SimpleMemberDTO> getUserProfile(@AuthenticationPrincipal CustomMemberDetails memberDetails, @PathVariable(value = "member_id") Long memberId){
+        Member user = memberQueryService.getUserProfile(memberDetails.getId());
+        return ApiResponse.onSuccess(SuccessStatus.MEMBER_OK, MemberConverter.toSimpleMemberResponseDto(user, user));
     }
 
     @PutMapping("/info")
     @Operation(summary = "사용자 정보 수정", description = "마이페이지 사용자 정보 수정 기능")
-    public ApiResponse<MemberResponseDTO.MemberInfoDTO> updateUserInfo(@Valid @RequestBody MemberRequestDTO.MemberInfoDTO request){
-        Member member = memberCommandService.getRequester();
-        Member updatedMember = memberCommandService.updateMemberInfo(member, request);
+    public ApiResponse<MemberResponseDTO.MemberInfoDTO> updateUserInfo(@AuthenticationPrincipal CustomMemberDetails memberDetails, @Valid @RequestBody MemberRequestDTO.MemberInfoDTO request){
+        Member updatedMember = memberCommandService.updateMemberInfo(memberDetails.getId(), request);
         return ApiResponse.onSuccess(SuccessStatus.MEMBER_OK, MemberConverter.toMemberInfoResponseDto(updatedMember));
     }
 
@@ -80,9 +75,8 @@ public ApiResponse<MemberResponseDTO.MemberInfoDTO> getUserInfo(@AuthenticationP
 
     @PatchMapping("/techstack/{techstack_name}")
     @Operation(summary = "사용자 기술스택 추가", description = "마이페이지 사용자 기술스택 추가 기능")
-    public ApiResponse<MemberResponseDTO.MemberTechStackDTO> addTechStack(@PathVariable(value = "techstack_name") TechStack techStackName){
-        Member member = memberCommandService.getRequester();
-        Member updatedMember = memberCommandService.addTechStack(member.getMemberId(),techStackName);
+    public ApiResponse<MemberResponseDTO.MemberTechStackDTO> addTechStack(@AuthenticationPrincipal CustomMemberDetails memberDetails, @PathVariable(value = "techstack_name") TechStack techStackName){
+        Member updatedMember = memberCommandService.addTechStack(memberDetails.getId(), techStackName);
         return ApiResponse.onSuccess(SuccessStatus.MEMBER_OK, MemberConverter.toMemberTechStackResponseDto(updatedMember));
     }
 
diff --git a/src/main/java/com/codiary/backend/domain/member/repository/MemberRepositoryImpl.java b/src/main/java/com/codiary/backend/domain/member/repository/MemberRepositoryImpl.java
index e2743c08..71d325f7 100644
--- a/src/main/java/com/codiary/backend/domain/member/repository/MemberRepositoryImpl.java
+++ b/src/main/java/com/codiary/backend/domain/member/repository/MemberRepositoryImpl.java
@@ -88,7 +88,8 @@ public Optional<Member> findByIdWithFollowers(Long id) {
 
     private void fetchMemberProjects(Long userId, Member fetchedMember) {
         List<Project> projects = queryFactory
-                .selectFrom(project)
+                .select(project)
+                .from(member)
                 .leftJoin(member.projectList, project)
                 .where(member.memberId.eq(userId)
                         .and(project.deletedAt.isNull()))
diff --git a/src/main/java/com/codiary/backend/domain/member/service/MemberCommandService.java b/src/main/java/com/codiary/backend/domain/member/service/MemberCommandService.java
index 07e286e9..e6839b0b 100644
--- a/src/main/java/com/codiary/backend/domain/member/service/MemberCommandService.java
+++ b/src/main/java/com/codiary/backend/domain/member/service/MemberCommandService.java
@@ -45,7 +45,9 @@ public Member getRequester() {
     }
 
     @Transactional
-    public ApiResponse<MemberResponseDTO.MemberImageDTO> updateProfileImage(Member member, MemberRequestDTO.MemberProfileImageRequestDTO request) {
+    public ApiResponse<MemberResponseDTO.MemberImageDTO> updateProfileImage(Long memberId, MemberRequestDTO.MemberProfileImageRequestDTO request) {
+        Member member = memberRepository.findById(memberId).orElseThrow(() -> new GeneralException(ErrorStatus.MEMBER_NOT_FOUND));
+
         if (member.getImage() != null) {
             s3Manager.deleteFile(member.getImage().getImageUrl());
             memberImageRepository.delete(member.getImage());
@@ -67,7 +69,8 @@ public ApiResponse<MemberResponseDTO.MemberImageDTO> updateProfileImage(Member m
     }
 
     @Transactional
-    public ApiResponse<String> deleteProfileImage(Member member) {
+    public ApiResponse<String> deleteProfileImage(Long memberId) {
+        Member member = memberRepository.findById(memberId).orElseThrow(() -> new GeneralException(ErrorStatus.MEMBER_NOT_FOUND));
         if (member.getImage() != null) {
             s3Manager.deleteFile(member.getImage().getImageUrl());
             memberImageRepository.delete(member.getImage());
@@ -78,7 +81,8 @@ public ApiResponse<String> deleteProfileImage(Member member) {
     }
 
     @Transactional
-    public Member updateMemberInfo(Member member, MemberRequestDTO.MemberInfoDTO request){
+    public Member updateMemberInfo(Long memberId, MemberRequestDTO.MemberInfoDTO request){
+        Member member = memberRepository.findById(memberId).orElseThrow(() -> new GeneralException(ErrorStatus.MEMBER_NOT_FOUND));
         member.updateInfo(request);
         return memberRepository.save(member);
     }