diff --git a/src/main/java/com/chaineeproject/chainee/controller/JobPostController.java b/src/main/java/com/chaineeproject/chainee/controller/JobPostController.java
index e1e2654..a14ba1e 100644
--- a/src/main/java/com/chaineeproject/chainee/controller/JobPostController.java
+++ b/src/main/java/com/chaineeproject/chainee/controller/JobPostController.java
@@ -17,9 +17,12 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.oauth2.jwt.Jwt;
 import org.springframework.web.bind.annotation.*;
 
 import java.time.LocalDateTime;
+import java.util.List;
 
 @RestController
 @RequestMapping("/api/job/posts")
@@ -35,7 +38,7 @@ public class JobPostController {
     @PostMapping
     @Operation(
             summary = "구인 공고 등록",
-            description = "작성자 ID를 바탕으로 구인 공고를 생성합니다.",
+            description = "요청 사용자의 JWT uid를 작성자로 하여 공고를 생성합니다. (authorId는 바디로 받지 않습니다)",
             requestBody = @io.swagger.v3.oas.annotations.parameters.RequestBody(
                     required = true,
                     content = @Content(
@@ -43,24 +46,34 @@ public class JobPostController {
                             schema = @Schema(implementation = JobPostRequest.class),
                             examples = @ExampleObject(value = """
                                 {
-                                  "authorId": 19,
                                   "title": "백엔드 개발자 구합니다",
-                                  "description": "Spring Boot 프로젝트 개발자 모집",
-                                  "payment": 1500000,
-                                  "requiredSkills": ["Java","Spring Boot","JPA"],
+                                  "description": "Spring Boot 기반 API 개발/운영, 코드리뷰 문화",
+                                  "payment": 3500000,
+                                  "requiredSkills": ["Java","Spring Boot","JPA","MySQL"],
                                   "duration": "6m",
-                                  "deadline": "2025-09-30"
+                                  "deadline": "2025-12-31"
                                 }
                             """)
                     )
             )
     )
-    public ResponseEntity<JobPostResponse> createJobPost(@RequestBody JobPostRequest request) {
+    public ResponseEntity<JobPostResponse> createJobPost(
+            @AuthenticationPrincipal Jwt jwt,
+            @RequestBody @io.swagger.v3.oas.annotations.parameters.RequestBody(required = true)
+            JobPostRequest request
+    ) {
+        Long authorId = com.chaineeproject.chainee.security.SecurityUtils.uidOrNull(jwt);
+        if (authorId == null) {
+            return ResponseEntity.status(401).build();
+        }
+
         try {
-            User author = userRepository.findById(request.authorId())
+            User author = userRepository.findById(authorId)
                     .orElseThrow(() -> new ApplicationException(ErrorCode.USER_NOT_FOUND));
 
-            String skillsJson = objectMapper.writeValueAsString(request.requiredSkills());
+            String skillsJson = objectMapper.writeValueAsString(
+                    request.requiredSkills() == null ? List.of() : request.requiredSkills()
+            );
 
             JobPost post = JobPost.builder()
                     .author(author)
diff --git a/src/main/java/com/chaineeproject/chainee/dto/JobPostRequest.java b/src/main/java/com/chaineeproject/chainee/dto/JobPostRequest.java
index 236a962..6cac669 100644
--- a/src/main/java/com/chaineeproject/chainee/dto/JobPostRequest.java
+++ b/src/main/java/com/chaineeproject/chainee/dto/JobPostRequest.java
@@ -1,31 +1,31 @@
+// src/main/java/com/chaineeproject/chainee/dto/JobPostRequest.java
 package com.chaineeproject.chainee.dto;
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 
 import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.util.List;
 
-@Schema(description = "구인 공고 등록 요청 DTO")
+@Schema(description = "구인 공고 생성 요청")
 public record JobPostRequest(
-        @Schema(description = "작성자 ID", example = "19")
-        Long authorId,
+        @Schema(description = "제목", example = "백엔드 개발자 구합니다")
+        @NotBlank String title,
 
-        @Schema(description = "공고 제목", example = "백엔드 개발자 구합니다")
-        String title,
+        @Schema(description = "설명", example = "Spring Boot 기반 API 개발/운영, 코드리뷰 문화")
+        @NotBlank String description,
 
-        @Schema(description = "공고 설명", example = "Spring Boot 프로젝트 개발자 모집")
-        String description,
+        @Schema(description = "급여/보상(숫자)", example = "3500000")
+        @NotNull BigDecimal payment,
 
-        @Schema(description = "지급 금액", example = "1500000")
-        BigDecimal payment,
-
-        @Schema(description = "요구 기술 목록", example = "[\"Java\", \"Spring Boot\", \"JPA\"]")
+        @Schema(description = "요구 기술", example = "[\"Java\",\"Spring Boot\",\"JPA\",\"MySQL\"]")
         List<String> requiredSkills,
 
-        @Schema(description = "프로젝트 기간 (예: 6개월은 6m)", example = "6m")
+        @Schema(description = "기간(표기용)", example = "6m")
         String duration,
 
-        @Schema(description = "마감일", example = "2025-09-30")
+        @Schema(description = "마감일", example = "2025-12-31")
         LocalDate deadline
 ) {}