diff --git a/backend/typescript/graphql/index.ts b/backend/typescript/graphql/index.ts
index 315bb6a..c05b3b9 100644
--- a/backend/typescript/graphql/index.ts
+++ b/backend/typescript/graphql/index.ts
@@ -51,6 +51,7 @@ const executableSchema = makeExecutableSchema({
     adminCommentType,
     applicantRecordType,
     reviewPageType,
+    reviewedApplicantRecordTypes,
   ],
   resolvers: merge(
     authResolvers,
@@ -62,6 +63,7 @@ const executableSchema = makeExecutableSchema({
     adminCommentResolvers,
     applicantRecordResolvers,
     reviewPageResolvers,
+    reviewedApplicantRecordResolvers,
   ),
 });
 
@@ -93,6 +95,7 @@ const graphQLMiddlewares = {
     bulkCreateReviewedApplicantRecord: authorizedByAllRoles(),
     deleteReviewedApplicantRecord: authorizedByAllRoles(),
     bulkDeleteReviewedApplicantRecord: authorizedByAllRoles(),
+    updateReviewedApplicantRecord: authorizedByAllRoles(),
     createUser: authorizedByAdmin(),
     updateUser: authorizedByAdmin(),
     deleteUserById: authorizedByAdmin(),
diff --git a/backend/typescript/graphql/resolvers/reviewedApplicantRecordResolver.ts b/backend/typescript/graphql/resolvers/reviewedApplicantRecordResolver.ts
index afa3a96..4a95d54 100644
--- a/backend/typescript/graphql/resolvers/reviewedApplicantRecordResolver.ts
+++ b/backend/typescript/graphql/resolvers/reviewedApplicantRecordResolver.ts
@@ -3,6 +3,7 @@ import {
   ReviewedApplicantRecordDTO,
   CreateReviewedApplicantRecordDTO,
   DeleteReviewedApplicantRecordDTO,
+  UpdateReviewedApplicantRecordDTO,
 } from "../../types";
 import { getErrorMessage } from "../../utilities/errorUtils";
 
@@ -61,6 +62,19 @@ const reviewedApplicantRecordResolvers = {
         throw new Error(getErrorMessage(error));
       }
     },
+
+    updateReviewedApplicantRecord: async (
+      _parent: undefined,
+      args: { input: UpdateReviewedApplicantRecordDTO },
+    ): Promise<ReviewedApplicantRecordDTO> => {
+      try {
+        return await reviewedApplicantRecordService.updateReviewedApplicantRecord(
+          args.input,
+        );
+      } catch (error) {
+        throw new Error(getErrorMessage(error));
+      }
+    },
   },
 };
 
diff --git a/backend/typescript/graphql/types/reviewedApplicantRecordTypes.ts b/backend/typescript/graphql/types/reviewedApplicantRecordTypes.ts
index 6f43897..d0a3f6d 100644
--- a/backend/typescript/graphql/types/reviewedApplicantRecordTypes.ts
+++ b/backend/typescript/graphql/types/reviewedApplicantRecordTypes.ts
@@ -45,6 +45,13 @@ const reviewedApplicantRecordTypes = gql`
     reviewerId: Int!
   }
 
+  input UpdateReviewedApplicantRecordInput {
+    applicantRecordId: ID!
+    reviewerId: Int!
+    review: ReviewInput
+    status: String
+  }
+
   extend type Mutation {
     createReviewedApplicantRecord(
       input: CreateReviewedApplicantRecordInput!
@@ -61,6 +68,10 @@ const reviewedApplicantRecordTypes = gql`
     bulkDeleteReviewedApplicantRecord(
       inputs: [DeleteReviewedApplicantRecord!]!
     ): [ReviewedApplicantRecord!]!
+
+    updateReviewedApplicantRecord(
+      input: UpdateReviewedApplicantRecordInput!
+    ): ReviewedApplicantRecord!
   }
 `;
 
diff --git a/backend/typescript/services/implementations/reviewedApplicantRecordService.ts b/backend/typescript/services/implementations/reviewedApplicantRecordService.ts
index 4b0f844..44f516e 100644
--- a/backend/typescript/services/implementations/reviewedApplicantRecordService.ts
+++ b/backend/typescript/services/implementations/reviewedApplicantRecordService.ts
@@ -1,9 +1,12 @@
 import { sequelize } from "../../models";
 import ReviewedApplicantRecord from "../../models/reviewedApplicantRecord.model";
+import ApplicantRecord from "../../models/applicantRecord.model";
 import {
   ReviewedApplicantRecordDTO,
   CreateReviewedApplicantRecordDTO,
   DeleteReviewedApplicantRecordDTO,
+  UpdateReviewedApplicantRecordDTO,
+  Review,
 } from "../../types";
 import { getErrorMessage } from "../../utilities/errorUtils";
 import logger from "../../utilities/logger";
@@ -11,12 +14,32 @@ import IReviewApplicantRecordService from "../interfaces/IReviewedApplicantRecor
 
 const Logger = logger(__filename);
 
+function validateReviewScores(review: Review | undefined): void {
+  if (!review) return;
+
+  const scores = {
+    passionFSG: review.passionFSG,
+    teamPlayer: review.teamPlayer,
+    desireToLearn: review.desireToLearn,
+    skill: review.skill,
+  };
+
+  Object.entries(scores).forEach(([field, value]) => {
+    if (value !== undefined && (value < 1 || value > 5)) {
+      throw new Error(
+        `Invalid score for ${field}: ${value}. Scores must be between 1 and 5.`,
+      );
+    }
+  });
+}
+
 class ReviewedApplicantRecordService implements IReviewApplicantRecordService {
   /* eslint-disable class-methods-use-this */
   async createReviewedApplicantRecord(
     dto: CreateReviewedApplicantRecordDTO,
   ): Promise<ReviewedApplicantRecordDTO> {
     try {
+      validateReviewScores(dto.review);
       const record = await ReviewedApplicantRecord.create(dto);
       return record.toJSON() as ReviewedApplicantRecordDTO;
     } catch (error: unknown) {
@@ -33,6 +56,10 @@ class ReviewedApplicantRecordService implements IReviewApplicantRecordService {
     createReviewedApplicantRecordDTOs: CreateReviewedApplicantRecordDTO[],
   ): Promise<ReviewedApplicantRecordDTO[]> {
     try {
+      createReviewedApplicantRecordDTOs.forEach((dto) => {
+        validateReviewScores(dto.review);
+      });
+
       const reviewedApplicantRecords = await sequelize.transaction(
         async (t) => {
           const records = await ReviewedApplicantRecord.bulkCreate(
@@ -121,6 +148,90 @@ class ReviewedApplicantRecordService implements IReviewApplicantRecordService {
       throw error;
     }
   }
+
+  /* eslint-disable class-methods-use-this */
+  async updateReviewedApplicantRecord({
+    applicantRecordId,
+    reviewerId,
+    review,
+    status,
+  }: UpdateReviewedApplicantRecordDTO): Promise<ReviewedApplicantRecordDTO> {
+    try {
+      const updatedRecord = await sequelize.transaction(async (t) => {
+        const reviewedRecord = await ReviewedApplicantRecord.findOne({
+          where: { applicantRecordId, reviewerId },
+          transaction: t,
+        });
+
+        if (!reviewedRecord) {
+          throw new Error(
+            `ReviewedApplicantRecord not found for applicantRecordId: ${applicantRecordId} and reviewerId: ${reviewerId}`,
+          );
+        }
+
+        const oldReviewedScore = reviewedRecord.score || 0;
+
+        if (review !== undefined) {
+          validateReviewScores(review);
+
+          reviewedRecord.review = {
+            ...reviewedRecord.review,
+            ...review,
+          };
+
+          const { passionFSG, teamPlayer, desireToLearn, skill } =
+            reviewedRecord.review;
+
+          let calculatedScore = 0;
+          if (passionFSG !== undefined) calculatedScore += passionFSG;
+          if (teamPlayer !== undefined) calculatedScore += teamPlayer;
+          if (desireToLearn !== undefined) calculatedScore += desireToLearn;
+          if (skill !== undefined) calculatedScore += skill;
+          reviewedRecord.score = calculatedScore;
+
+          if (review.skillCategory !== undefined) {
+            reviewedRecord.skillCategory = review.skillCategory;
+          }
+        }
+
+        if (status !== undefined) {
+          reviewedRecord.status = status;
+        }
+
+        await reviewedRecord.save({ transaction: t });
+
+        const newReviewedScore = reviewedRecord.score || 0;
+
+        const applicantRecord = await ApplicantRecord.findOne({
+          where: { id: applicantRecordId },
+          transaction: t,
+        });
+
+        if (!applicantRecord) {
+          throw new Error(
+            `ApplicantRecord not found for applicantRecordId: ${applicantRecordId}`,
+          );
+        }
+
+        const oldCombinedScore = applicantRecord.combined_score || 0;
+        applicantRecord.combined_score =
+          oldCombinedScore - oldReviewedScore + newReviewedScore;
+
+        await applicantRecord.save({ transaction: t });
+
+        return reviewedRecord;
+      });
+
+      return updatedRecord.toJSON() as ReviewedApplicantRecordDTO;
+    } catch (error: unknown) {
+      Logger.error(
+        `Failed to update reviewed applicant record. Reason = ${getErrorMessage(
+          error,
+        )}`,
+      );
+      throw error;
+    }
+  }
 }
 
 export default ReviewedApplicantRecordService;
diff --git a/backend/typescript/services/interfaces/IReviewedApplicantRecordService.ts b/backend/typescript/services/interfaces/IReviewedApplicantRecordService.ts
index 646ffc6..77ca1ce 100644
--- a/backend/typescript/services/interfaces/IReviewedApplicantRecordService.ts
+++ b/backend/typescript/services/interfaces/IReviewedApplicantRecordService.ts
@@ -2,6 +2,7 @@ import {
   ReviewedApplicantRecordDTO,
   CreateReviewedApplicantRecordDTO,
   DeleteReviewedApplicantRecordDTO,
+  UpdateReviewedApplicantRecordDTO,
 } from "../../types";
 
 interface IReviewApplicantRecordService {
@@ -37,6 +38,15 @@ interface IReviewApplicantRecordService {
   bulkDeleteReviewedApplicantRecord(
     deleteReviewedApplicantRecords: DeleteReviewedApplicantRecordDTO[],
   ): Promise<ReviewedApplicantRecordDTO[]>;
+
+  /**
+   * Updates the review content and/or status of a ReviewedApplicantRecord
+   * Also updates the combined score in the ApplicantRecord table
+   * @Param updateReviewedApplicantRecordDTO data to update reviewed applicant record
+   */
+  updateReviewedApplicantRecord(
+    updateReviewedApplicantRecordDTO: UpdateReviewedApplicantRecordDTO,
+  ): Promise<ReviewedApplicantRecordDTO>;
 }
 
 export default IReviewApplicantRecordService;
diff --git a/backend/typescript/types.ts b/backend/typescript/types.ts
index a5a4964..c7584f9 100644
--- a/backend/typescript/types.ts
+++ b/backend/typescript/types.ts
@@ -222,6 +222,13 @@ export type DeleteReviewedApplicantRecordDTO = {
   reviewerId: number;
 };
 
+export type UpdateReviewedApplicantRecordDTO = {
+  applicantRecordId: string;
+  reviewerId: number;
+  review?: Review;
+  status?: ReviewStatus;
+};
+
 export type ReviewDetails = {
   reviewerFirstName: string;
   reviewerLastName: string;