diff --git a/src/main/java/com/example/api/account/repository/AccountRepository.java b/src/main/java/com/example/api/account/repository/AccountRepository.java
index cef6eae2..4622727f 100644
--- a/src/main/java/com/example/api/account/repository/AccountRepository.java
+++ b/src/main/java/com/example/api/account/repository/AccountRepository.java
@@ -1,11 +1,13 @@
 package com.example.api.account.repository;
 
 import com.example.api.domain.Account;
+import com.example.api.offeremployment.dto.StarPointAndWorkCountRequest;
 import org.springframework.data.jpa.repository.EntityGraph;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.repository.query.Param;
+import org.springframework.security.core.parameters.P;
 
 import java.util.Optional;
 
@@ -22,7 +24,15 @@ public interface AccountRepository extends JpaRepository<Account, Long> {
     @Query("SELECT a.profileImage FROM Account a WHERE a.accountId = :accountId")
     Optional<String> findProfileImageByAccountId(@Param("accountId") Long accountId);
 
-    @Query("update Account a set a.profileImage = :profileImage where a.accountId = :accountId")
     @Modifying
+    @Query("update Account a set a.profileImage = :profileImage where a.accountId = :accountId")
     void updateProfileImageByAccountId(@Param("profileImage") String profileImage, @Param("accountId") Long accountId);
+
+    @Modifying
+    @Query("update Account a " +
+            "set a.starPoint = ((a.starPoint * a.workCount) + :newStarPoint) / (a.workCount+1), " +
+            "a.workCount = a.workCount + 1 " +
+            "where a.accountId in " +
+            "(select oe.employee.accountId From OfferEmployment oe where oe.suggestId = :suggestId)")
+    void updateWorkCountBySuggestId(@Param("suggestId") Long suggestId, @Param("starPoint") Integer newStarPoint);
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/api/domain/OfferEmployment.java b/src/main/java/com/example/api/domain/OfferEmployment.java
index b46b4c66..87197867 100644
--- a/src/main/java/com/example/api/domain/OfferEmployment.java
+++ b/src/main/java/com/example/api/domain/OfferEmployment.java
@@ -47,6 +47,9 @@ public class OfferEmployment {
     @Column(name = "SUGGEST_REGISTER_TIME")
     private LocalDateTime suggestRegisterTime;
 
+    @Column(name = "SUGGEST_FINISHED", columnDefinition = "boolean DEFAULT false")
+    private boolean suggestFinished;
+
     public static OfferEmployment fromCommand(OfferEmploymentCommand offerEmploymentCommand, Account employee, Business business) {
         return new OfferEmployment(
                 business,
diff --git a/src/main/java/com/example/api/domain/repository/OfferEmploymentRepository.java b/src/main/java/com/example/api/domain/repository/OfferEmploymentRepository.java
index 89382a52..99b89712 100644
--- a/src/main/java/com/example/api/domain/repository/OfferEmploymentRepository.java
+++ b/src/main/java/com/example/api/domain/repository/OfferEmploymentRepository.java
@@ -2,7 +2,9 @@
 
 import com.example.api.board.dto.response.InnerCareerDTO;
 import com.example.api.domain.OfferEmployment;
+import jakarta.validation.constraints.NotNull;
 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 org.springframework.stereotype.Repository;
@@ -28,4 +30,10 @@ public interface OfferEmploymentRepository extends JpaRepository<OfferEmployment
             "join oe.business b " +
             "where oe.suggestId = :OfferEmploymentId")
     List<Object[]> findSuggestByOfferEmploymentId(@Param("OfferEmploymentId")long OfferEmploymentId);
-}
+
+    @Modifying
+    @Query("update OfferEmployment oe " +
+            "set oe.suggestFinished = true, oe.suggestEndTime = CURRENT_TIMESTAMP " +
+            "where oe.suggestFinished = :suggestId")
+    void updateSuggestStatusToFinishedBySuggestId(@Param("suggestId") Long suggestId);
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/api/offeremployment/OfferEmploymentService.java b/src/main/java/com/example/api/offeremployment/OfferEmploymentService.java
index 37f3853a..32dc5790 100644
--- a/src/main/java/com/example/api/offeremployment/OfferEmploymentService.java
+++ b/src/main/java/com/example/api/offeremployment/OfferEmploymentService.java
@@ -6,9 +6,8 @@
 import com.example.api.domain.Business;
 import com.example.api.domain.OfferEmployment;
 import com.example.api.domain.repository.OfferEmploymentRepository;
-import com.example.api.offeremployment.dto.OfferEmploymentCommand;
-import com.example.api.offeremployment.dto.OfferEmploymentRequest;
-import com.example.api.offeremployment.dto.OfferEmploymentResponse;
+import com.example.api.offeremployment.dto.*;
+import com.example.api.review.ReviewRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -19,6 +18,7 @@ public class OfferEmploymentService {
     private final OfferEmploymentRepository offerEmploymentRepository;
     private final AccountRepository accountRepository;
     private final BusinessRepository businessRepository;
+    private final ReviewRepository reviewRepository;
 
     @Transactional
     public OfferEmploymentResponse sendOfferEmployment(final OfferEmploymentRequest offerEmploymentRequest) {
@@ -35,4 +35,14 @@ public OfferEmploymentResponse sendOfferEmployment(final OfferEmploymentRequest
         final OfferEmployment savedOfferEmployment = offerEmploymentRepository.save(offerEmployment);
         return OfferEmploymentResponse.fromEntity(savedOfferEmployment);
     }
+
+    @Transactional
+    public void completeOfferEmployment(OfferEmploymentCompleteRequest completeRequest) {
+        // offerEmployment를 종료로 변경, 종료 시간 업뎃
+        offerEmploymentRepository.updateSuggestStatusToFinishedBySuggestId(completeRequest.suggestId());
+        // 알바생 평점 조정
+        Integer reviewScore = reviewRepository.findReviewStarPointBySuggestId(completeRequest.suggestId());
+        // 알바 횟수 count + 1
+        accountRepository.updateWorkCountBySuggestId(completeRequest.suggestId(), reviewScore);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/api/offeremployment/controller/OfferEmploymentController.java b/src/main/java/com/example/api/offeremployment/controller/OfferEmploymentController.java
index 10789e30..b4923e1f 100644
--- a/src/main/java/com/example/api/offeremployment/controller/OfferEmploymentController.java
+++ b/src/main/java/com/example/api/offeremployment/controller/OfferEmploymentController.java
@@ -1,9 +1,12 @@
 package com.example.api.offeremployment.controller;
 
 import com.example.api.offeremployment.OfferEmploymentService;
+import com.example.api.offeremployment.dto.OfferEmploymentCompleteRequest;
 import com.example.api.offeremployment.dto.OfferEmploymentRequest;
 import com.example.api.offeremployment.dto.OfferEmploymentResponse;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -23,4 +26,12 @@ public ResponseEntity<OfferEmploymentResponse> sendOfferEmployment(
         final OfferEmploymentResponse offerEmploymentResponse = offerEmploymentService.sendOfferEmployment(offerEmploymentRequest);
         return ResponseEntity.ok(offerEmploymentResponse);
     }
+
+    @PostMapping
+    public ResponseEntity<String> completeOfferEmployment(
+            @RequestBody final OfferEmploymentCompleteRequest completeRequest
+    ) {
+        offerEmploymentService.completeOfferEmployment(completeRequest);
+        return ResponseEntity.ok("성공적으로 종료되었습니다.");
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/api/offeremployment/dto/OfferEmploymentCompleteRequest.java b/src/main/java/com/example/api/offeremployment/dto/OfferEmploymentCompleteRequest.java
new file mode 100644
index 00000000..cd96ecd2
--- /dev/null
+++ b/src/main/java/com/example/api/offeremployment/dto/OfferEmploymentCompleteRequest.java
@@ -0,0 +1,9 @@
+package com.example.api.offeremployment.dto;
+
+import jakarta.validation.constraints.NotNull;
+
+public record OfferEmploymentCompleteRequest(
+        @NotNull Long suggestId,
+        @NotNull Long employeeId
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/api/offeremployment/dto/StarPointAndWorkCountRequest.java b/src/main/java/com/example/api/offeremployment/dto/StarPointAndWorkCountRequest.java
new file mode 100644
index 00000000..ef4a670a
--- /dev/null
+++ b/src/main/java/com/example/api/offeremployment/dto/StarPointAndWorkCountRequest.java
@@ -0,0 +1,9 @@
+package com.example.api.offeremployment.dto;
+
+import jakarta.validation.constraints.NotNull;
+
+public record StarPointAndWorkCountRequest(
+        @NotNull float starPoint,
+        @NotNull int workCount
+) {
+}
diff --git a/src/main/java/com/example/api/review/ReviewRepository.java b/src/main/java/com/example/api/review/ReviewRepository.java
index 07776345..98a21b28 100644
--- a/src/main/java/com/example/api/review/ReviewRepository.java
+++ b/src/main/java/com/example/api/review/ReviewRepository.java
@@ -1,7 +1,9 @@
 package com.example.api.review;
 
 import com.example.api.domain.Review;
+import jakarta.validation.constraints.NotNull;
 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 org.springframework.stereotype.Repository;
@@ -28,6 +30,9 @@ public interface ReviewRepository extends JpaRepository<Review, Long> {
     List<Review> findReviewsByAccountIdWithDetails(@Param("accountId") Long accountId);
 
     List<Review> findReviewsByEmployee_AccountId(Long accountId);
+
+    @Query("select r.reviewStarPoint from Review r where r.reviewId = :suggestId")
+    Integer findReviewStarPointBySuggestId(@Param("suggestId") Long suggestId);
 }