diff --git a/packages/apps/human-app/server/.env.example b/packages/apps/human-app/server/.env.example
index 7b4e4a8684..bf68d5e568 100644
--- a/packages/apps/human-app/server/.env.example
+++ b/packages/apps/human-app/server/.env.example
@@ -1,8 +1,9 @@
 HOST= # string, example: localhost
 PORT= # number, example: 5010
 REPUTATION_ORACLE_URL= # string
-REDIS_PORT= # string, example: localhost
-REDIS_HOST= # number, example: 6379
+REPUTATION_ORACLE_ADDRESS= # string
+REDIS_HOST= # string, example: localhost
+REDIS_PORT= # number, example: 6379
 CACHE_TTL_ORACLE_DISCOVERY= # number, example: 43200
 CACHE_TTL_ORACLE_STATS= # number, example: 900
 CACHE_TTL_USER_STATS= # number, example: 86400
diff --git a/packages/apps/human-app/server/README.md b/packages/apps/human-app/server/README.md
index 4a793ce300..a90a442909 100644
--- a/packages/apps/human-app/server/README.md
+++ b/packages/apps/human-app/server/README.md
@@ -61,7 +61,7 @@ and transformation of data. NestJS provides many built-in pipes, so check the do
 
 ### Model 
 
-Interfaces are used to define the shape and responsibilities of the data:
+Models are used to define the shape and responsibilities of the data:
 
 - **Dto (Data Transfer Object)**: Data sent from/to the frontend.
 - **Command**: Datatype used for data manipulation in business logic.
diff --git a/packages/apps/human-app/server/docker-compose.yml b/packages/apps/human-app/server/docker-compose.yml
index c5ce810ad3..6a98e9cb7d 100644
--- a/packages/apps/human-app/server/docker-compose.yml
+++ b/packages/apps/human-app/server/docker-compose.yml
@@ -16,9 +16,11 @@ services:
       HOST: ${HOST}
       PORT: ${PORT}
       REPUTATION_ORACLE_URL: ${REPUTATION_ORACLE_URL}
+      REPUTATION_ORACLE_ADDRESS: ${REPUTATION_ORACLE_ADDRESS}
       REDIS_PORT: ${REDIS_PORT}
       REDIS_HOST: redis
       CACHE_TTL_ORACLE_DISCOVERY: ${CACHE_TTL_ORACLE_DISCOVERY}
+      RPC_URL: ${RPC_URL}
     depends_on:
       - redis
   redis:
@@ -27,6 +29,4 @@ services:
     ports:
       - '${REDIS_PORT}:6379'
     volumes:
-      - redis_data:/data
-volumes:
-  redis_data:
\ No newline at end of file
+      - redis_data:/data
\ No newline at end of file
diff --git a/packages/apps/human-app/server/package.json b/packages/apps/human-app/server/package.json
index f43844836b..36537733eb 100644
--- a/packages/apps/human-app/server/package.json
+++ b/packages/apps/human-app/server/package.json
@@ -32,6 +32,8 @@
     "@nestjs/platform-express": "^10.2.6",
     "@nestjs/swagger": "^7.1.13",
     "cache-manager": "^5.4.0",
+    "cache-manager-redis-store": "^3.0.1",
+    "ioredis": "^5.3.2",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
     "ethers": "^6.11.0",
@@ -40,7 +42,6 @@
     "rxjs": "^7.2.0"
   },
   "devDependencies": {
-    "@nestjs/cache-manager": "^2.2.1",
     "@nestjs/cli": "^9.4.3",
     "@nestjs/schematics": "^9.2.0",
     "@nestjs/testing": "^9.4.3",
@@ -50,11 +51,9 @@
     "@types/supertest": "^2.0.15",
     "@typescript-eslint/eslint-plugin": "^5.0.0",
     "@typescript-eslint/parser": "^5.0.0",
-    "cache-manager-redis-store": "^3.0.1",
     "eslint": "^8.55.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.3",
-    "ioredis": "^5.3.2",
     "jest": "29.5.0",
     "nock": "^13.5.1",
     "prettier": "^3.1.1",
diff --git a/packages/apps/human-app/server/src/app.module.ts b/packages/apps/human-app/server/src/app.module.ts
index a17022edc1..049037d469 100644
--- a/packages/apps/human-app/server/src/app.module.ts
+++ b/packages/apps/human-app/server/src/app.module.ts
@@ -22,12 +22,23 @@ import { StatisticsModule } from './modules/statistics/statistics.module';
 import { StatisticsController } from './modules/statistics/statistics.controller';
 import { ExchangeOracleModule } from './integrations/exchange-oracle/exchange-oracle.module';
 import { KvStoreModule } from './integrations/kv-store/kv-store.module';
+import { EscrowUtilsModule } from './integrations/escrow/escrow-utils.module';
+import Joi from 'joi';
 
 @Module({
   imports: [
     ConfigModule.forRoot({
       envFilePath: '.env',
       isGlobal: true,
+      validationSchema: Joi.object({
+        HOST: Joi.string().required(),
+        PORT: Joi.number().required(),
+        REPUTATION_ORACLE_URL: Joi.string().required(),
+        REPUTATION_ORACLE_ADDRESS: Joi.string().required(),
+        REDIS_PORT: Joi.number().required(),
+        REDIS_HOST: Joi.string().required(),
+        RPC_URL: Joi.string().required(),
+      }),
     }),
     AutomapperModule.forRoot({
       strategyInitializer: classes(),
@@ -44,6 +55,7 @@ import { KvStoreModule } from './integrations/kv-store/kv-store.module';
     OracleDiscoveryModule,
     StatisticsModule,
     KvStoreModule,
+    EscrowUtilsModule,
   ],
   controllers: [
     AppController,
diff --git a/packages/apps/human-app/server/src/common/config/environment-config.service.ts b/packages/apps/human-app/server/src/common/config/environment-config.service.ts
index 6f54e7051f..961eff1153 100644
--- a/packages/apps/human-app/server/src/common/config/environment-config.service.ts
+++ b/packages/apps/human-app/server/src/common/config/environment-config.service.ts
@@ -1,6 +1,5 @@
 import { ConfigService } from '@nestjs/config';
 import { Injectable } from '@nestjs/common';
-import { EnvironmentVariableMissingError } from '../interfaces/custom-exceptions.interface';
 const DEFAULT_CACHE_TTL_ORACLE_STATS = 12 * 60 * 60;
 const DEFAULT_CACHE_TTL_USER_STATS = 15 * 60;
 const DEFAULT_CACHE_TTL_ORACLE_DISCOVERY = 24 * 60 * 60;
@@ -10,21 +9,22 @@ const DEFAULT_CORS_ALLOWED_HEADERS = 'Content-Type, Accept';
 export class EnvironmentConfigService {
   constructor(private configService: ConfigService) {}
   get host(): string {
-    return this.conditionallyReturnMandatoryEnvVariable<string>('HOST');
+    return this.configService.getOrThrow<string>('HOST');
   }
   get port(): number {
-    return this.conditionallyReturnMandatoryEnvVariable<number>('PORT');
+    return this.configService.getOrThrow<number>('PORT');
   }
   get reputationOracleUrl(): string {
-    return this.conditionallyReturnMandatoryEnvVariable<string>(
-      'REPUTATION_ORACLE_URL',
-    );
+    return this.configService.getOrThrow<string>('REPUTATION_ORACLE_URL');
+  }
+  get reputationOracleAddress(): string {
+    return this.configService.getOrThrow<string>('REPUTATION_ORACLE_ADDRESS');
   }
   get cachePort(): number {
-    return this.conditionallyReturnMandatoryEnvVariable<number>('REDIS_PORT');
+    return this.configService.getOrThrow<number>('REDIS_PORT');
   }
   get cacheHost(): string {
-    return this.conditionallyReturnMandatoryEnvVariable<string>('REDIS_HOST');
+    return this.configService.getOrThrow<string>('REDIS_HOST');
   }
   get cacheTtlOracleStats(): number {
     return this.configService.get<number>(
@@ -47,7 +47,7 @@ export class EnvironmentConfigService {
     );
   }
   get rpcUrl(): string {
-    return this.conditionallyReturnMandatoryEnvVariable<string>('RPC_URL');
+    return this.configService.getOrThrow<string>('RPC_URL');
   }
   get isCorsEnabled(): boolean {
     return this.configService.get<boolean>('CORS_ENABLED', false);
@@ -61,35 +61,7 @@ export class EnvironmentConfigService {
   get corsAllowedHeaders(): string {
     return this.configService.get<string>(
       'CORS_ALLOWED_HEADERS',
-      DEFAULT_CORS_ALLOWED_HEADERS
+      DEFAULT_CORS_ALLOWED_HEADERS,
     );
   }
-  conditionallyReturnMandatoryEnvVariable<T>(envName: string): T {
-    const value = this.configService.get<T>(envName);
-    if (!value) {
-      throw new EnvironmentVariableMissingError(envName);
-    }
-    return value;
-  }
-  checkMandatoryConfig(): void {
-    const mandatoryVariables = [
-      'HOST',
-      'PORT',
-      'REPUTATION_ORACLE_URL',
-      'REDIS_PORT',
-      'REDIS_HOST',
-      'RPC_URL',
-    ];
-    const missingVariables: string[] = [];
-
-    mandatoryVariables.forEach((variable) => {
-      if (!this.configService.get(variable)) {
-        missingVariables.push(variable);
-      }
-    });
-
-    if (missingVariables.length > 0) {
-      throw new EnvironmentVariableMissingError(missingVariables.join(', '));
-    }
-  }
 }
diff --git a/packages/apps/human-app/server/src/common/enums/global-common.interface.ts b/packages/apps/human-app/server/src/common/enums/global-common.ts
similarity index 100%
rename from packages/apps/human-app/server/src/common/enums/global-common.interface.ts
rename to packages/apps/human-app/server/src/common/enums/global-common.ts
diff --git a/packages/apps/human-app/server/src/common/interfaces/custom-exceptions.interface.ts b/packages/apps/human-app/server/src/common/interfaces/custom-exceptions.interface.ts
deleted file mode 100644
index 909ab37778..0000000000
--- a/packages/apps/human-app/server/src/common/interfaces/custom-exceptions.interface.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export class EnvironmentVariableMissingError extends Error {
-  constructor(variable: string) {
-    super(`Environment variable(s): {${variable}} not defined.`);
-    Object.setPrototypeOf(this, EnvironmentVariableMissingError.prototype);
-  }
-}
diff --git a/packages/apps/human-app/server/src/common/interfaces/pageable.interface.ts b/packages/apps/human-app/server/src/common/utils/pageable.model.ts
similarity index 94%
rename from packages/apps/human-app/server/src/common/interfaces/pageable.interface.ts
rename to packages/apps/human-app/server/src/common/utils/pageable.model.ts
index 237b4ed54b..1d9cb8dba9 100644
--- a/packages/apps/human-app/server/src/common/interfaces/pageable.interface.ts
+++ b/packages/apps/human-app/server/src/common/utils/pageable.model.ts
@@ -1,7 +1,7 @@
 import { ApiPropertyOptional } from '@nestjs/swagger';
 import { Type } from 'class-transformer';
 import { IsEnum, IsNumber, IsOptional, Max, Min } from 'class-validator';
-import { SortOrder } from '../enums/global-common.interface';
+import { SortOrder } from '../enums/global-common';
 import { AutoMap } from '@automapper/classes';
 
 export abstract class PageableDto {
diff --git a/packages/apps/human-app/server/src/integrations/escrow/escrow-utils-gateway.service.ts b/packages/apps/human-app/server/src/integrations/escrow/escrow-utils-gateway.service.ts
new file mode 100644
index 0000000000..9c9e7eb183
--- /dev/null
+++ b/packages/apps/human-app/server/src/integrations/escrow/escrow-utils-gateway.service.ts
@@ -0,0 +1,16 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { ChainId, EscrowUtils } from '@human-protocol/sdk';
+
+@Injectable()
+export class EscrowUtilsGateway {
+  async getExchangeOracleAddressByEscrowAddress(
+    chainId: ChainId,
+    address: string,
+  ): Promise<string> {
+    const escrowsData = await EscrowUtils.getEscrow(chainId, address);
+    if (!escrowsData.exchangeOracle) {
+      throw new NotFoundException('Exchange Oracle not found');
+    }
+    return escrowsData.exchangeOracle;
+  }
+}
diff --git a/packages/apps/human-app/server/src/integrations/escrow/escrow-utils.module.ts b/packages/apps/human-app/server/src/integrations/escrow/escrow-utils.module.ts
new file mode 100644
index 0000000000..a2f45c1332
--- /dev/null
+++ b/packages/apps/human-app/server/src/integrations/escrow/escrow-utils.module.ts
@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { EscrowUtilsGateway } from './escrow-utils-gateway.service';
+
+@Module({
+  providers: [EscrowUtilsGateway],
+  exports: [EscrowUtilsGateway],
+})
+export class EscrowUtilsModule {}
diff --git a/packages/apps/human-app/server/src/integrations/escrow/spec/escrow-utils-gateway.spec.ts b/packages/apps/human-app/server/src/integrations/escrow/spec/escrow-utils-gateway.spec.ts
new file mode 100644
index 0000000000..e8a521709e
--- /dev/null
+++ b/packages/apps/human-app/server/src/integrations/escrow/spec/escrow-utils-gateway.spec.ts
@@ -0,0 +1,67 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { EscrowUtilsGateway } from '../escrow-utils-gateway.service';
+import { EscrowUtils, ChainId } from '@human-protocol/sdk';
+import { NotFoundException } from '@nestjs/common';
+
+jest.mock('@human-protocol/sdk', () => {
+  return {
+    EscrowUtils: {
+      getEscrow: jest.fn().mockResolvedValue({
+        exchangeOracle: '0x',
+      }),
+    },
+    ChainId: {
+      POLYGON_AMOY: 1,
+    },
+  };
+});
+
+describe('EscrowUtilsGateway', () => {
+  let service: EscrowUtilsGateway;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [EscrowUtilsGateway],
+    }).compile();
+
+    service = module.get<EscrowUtilsGateway>(EscrowUtilsGateway);
+  });
+
+  afterEach(async () => {
+    jest.restoreAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+
+  describe('getExchangeOracleAddressByEscrowAddress', () => {
+    it('should fetch data from EscrowUtils', async () => {
+      const escrowAddress = 'escrowAddress';
+      const expectedUrl = '0x';
+
+      const result = await service.getExchangeOracleAddressByEscrowAddress(
+        ChainId.POLYGON_AMOY,
+        escrowAddress,
+      );
+      expect(EscrowUtils.getEscrow).toHaveBeenCalledWith(
+        ChainId.POLYGON_AMOY,
+        escrowAddress,
+      );
+      expect(result).toBe(expectedUrl);
+    });
+
+    it('should throw error if Exchange Oracle not found', async () => {
+      const escrowAddress = 'escrowAddress';
+
+      (EscrowUtils.getEscrow as jest.Mock).mockResolvedValue({});
+
+      await expect(
+        service.getExchangeOracleAddressByEscrowAddress(
+          ChainId.POLYGON_AMOY,
+          escrowAddress,
+        ),
+      ).rejects.toThrow(new NotFoundException('Exchange Oracle not found'));
+    });
+  });
+});
diff --git a/packages/apps/human-app/server/src/integrations/exchange-oracle/exchange-oracle.gateway.ts b/packages/apps/human-app/server/src/integrations/exchange-oracle/exchange-oracle.gateway.ts
index a76bd8c973..e407dd7030 100644
--- a/packages/apps/human-app/server/src/integrations/exchange-oracle/exchange-oracle.gateway.ts
+++ b/packages/apps/human-app/server/src/integrations/exchange-oracle/exchange-oracle.gateway.ts
@@ -77,7 +77,6 @@ export class ExchangeOracleGateway {
   async fetchAssignedJobs(
     details: JobsFetchParamsDetails,
   ): Promise<JobsFetchResponse> {
-    console.log("Details: ", details);
     const jobFetchParamsData = this.mapper.map(
       details.data,
       JobsFetchParams,
diff --git a/packages/apps/human-app/server/src/integrations/exchange-oracle/spec/exchange-oracle.gateway.spec.ts b/packages/apps/human-app/server/src/integrations/exchange-oracle/spec/exchange-oracle.gateway.spec.ts
index a504abbbb7..61b11b1457 100644
--- a/packages/apps/human-app/server/src/integrations/exchange-oracle/spec/exchange-oracle.gateway.spec.ts
+++ b/packages/apps/human-app/server/src/integrations/exchange-oracle/spec/exchange-oracle.gateway.spec.ts
@@ -3,7 +3,7 @@ import { HttpService } from '@nestjs/axios';
 import { ExchangeOracleGateway } from '../exchange-oracle.gateway';
 import {
   oracleStatsDetailsFixture,
-  statisticsExchangeOracleAddress, statisticsExchangeOracleUrl,
+  statisticsExchangeOracleUrl,
   userStatsDetailsFixture,
 } from '../../../modules/statistics/spec/statistics.fixtures';
 import { AutomapperModule } from '@automapper/nestjs';
diff --git a/packages/apps/human-app/server/src/integrations/kv-store/kv-store-gateway.service.ts b/packages/apps/human-app/server/src/integrations/kv-store/kv-store-gateway.service.ts
index 61b5ddd41b..a52fbc47fd 100644
--- a/packages/apps/human-app/server/src/integrations/kv-store/kv-store-gateway.service.ts
+++ b/packages/apps/human-app/server/src/integrations/kv-store/kv-store-gateway.service.ts
@@ -1,11 +1,11 @@
-import { Injectable, OnModuleInit } from '@nestjs/common';
+import { Injectable } from '@nestjs/common';
 import { EnvironmentConfigService } from '../../common/config/environment-config.service';
 import { ethers } from 'ethers';
-import { KVStoreClient } from '@human-protocol/sdk';
+import { KVStoreClient, KVStoreKeys } from '@human-protocol/sdk';
 
 @Injectable()
 export class KvStoreGateway {
-  private URL_KEY = 'url';
+  private URL_KEY = KVStoreKeys.url;
   private kvStoreClient: KVStoreClient;
   constructor(private environmentConfig: EnvironmentConfigService) {}
   async onModuleInit(): Promise<void> {
diff --git a/packages/apps/human-app/server/src/integrations/kv-store/spec/kv-store.gateway.spec.ts b/packages/apps/human-app/server/src/integrations/kv-store/spec/kv-store.gateway.spec.ts
index b6b0159f3d..0405ddc762 100644
--- a/packages/apps/human-app/server/src/integrations/kv-store/spec/kv-store.gateway.spec.ts
+++ b/packages/apps/human-app/server/src/integrations/kv-store/spec/kv-store.gateway.spec.ts
@@ -1,18 +1,22 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { KVStoreClient } from '@human-protocol/sdk';
+import { KVStoreClient, KVStoreKeys } from '@human-protocol/sdk';
 import { KvStoreGateway } from '../kv-store-gateway.service';
 import { EnvironmentConfigService } from '../../../common/config/environment-config.service';
 import { ethers } from 'ethers';
 
-jest.mock('@human-protocol/sdk', () => ({
-  KVStoreClient: {
-    build: jest.fn().mockImplementation(() =>
-      Promise.resolve({
-        get: jest.fn().mockResolvedValue('https://example.com'),
-      }),
-    ),
-  },
-}));
+jest.mock('@human-protocol/sdk', () => {
+  const actualSdk = jest.requireActual('@human-protocol/sdk');
+  return {
+    ...actualSdk,
+    KVStoreClient: {
+      build: jest.fn().mockImplementation(() =>
+        Promise.resolve({
+          get: jest.fn().mockResolvedValue('https://example.com'),
+        }),
+      ),
+    },
+  };
+});
 
 describe('KvStoreGateway', () => {
   let service: KvStoreGateway;
@@ -72,7 +76,7 @@ describe('KvStoreGateway', () => {
 
       expect(service['kvStoreClient'].get).toHaveBeenCalledWith(
         testAddress,
-        'url',
+        KVStoreKeys.url,
       );
 
       expect(result).toBe(expectedUrl);
diff --git a/packages/apps/human-app/server/src/main.ts b/packages/apps/human-app/server/src/main.ts
index c17ea6fe2d..9eda2e0b99 100644
--- a/packages/apps/human-app/server/src/main.ts
+++ b/packages/apps/human-app/server/src/main.ts
@@ -12,7 +12,6 @@ async function bootstrap() {
 
   const configService: ConfigService = app.get(ConfigService);
   const envConfigService = new EnvironmentConfigService(configService);
-  envConfigService.checkMandatoryConfig();
   if (envConfigService.isCorsEnabled) {
     app.enableCors({
       origin: envConfigService.corsEnabledOrigin,
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.controller.ts b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.controller.ts
index 158b834e8c..b5565b152f 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.controller.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.controller.ts
@@ -2,7 +2,6 @@ import {
   Body,
   Controller,
   Get,
-  Headers,
   Post,
   Query,
   UsePipes,
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.module.ts b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.module.ts
index f6bd83236f..3c1d6d22e5 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.module.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.module.ts
@@ -3,9 +3,10 @@ import { JobAssignmentProfile } from './job-assignment.mapper';
 import { Module } from '@nestjs/common';
 import { ExchangeOracleModule } from '../../integrations/exchange-oracle/exchange-oracle.module';
 import { KvStoreModule } from '../../integrations/kv-store/kv-store.module';
+import { EscrowUtilsModule } from '../../integrations/escrow/escrow-utils.module';
 
 @Module({
-  imports: [ExchangeOracleModule, KvStoreModule],
+  imports: [ExchangeOracleModule, KvStoreModule, EscrowUtilsModule],
   providers: [JobAssignmentService, JobAssignmentProfile],
   exports: [JobAssignmentService],
 })
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.service.ts b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.service.ts
index aef46ea412..e8a85502fd 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.service.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/job-assignment.service.ts
@@ -11,19 +11,28 @@ import { ExchangeOracleGateway } from '../../integrations/exchange-oracle/exchan
 import { KvStoreGateway } from '../../integrations/kv-store/kv-store-gateway.service';
 import { InjectMapper } from '@automapper/nestjs';
 import { Mapper } from '@automapper/core';
+import { EscrowUtilsGateway } from '../../integrations/escrow/escrow-utils-gateway.service';
 @Injectable()
 export class JobAssignmentService {
   constructor(
     private readonly kvStoreGateway: KvStoreGateway,
     private readonly exchangeOracleGateway: ExchangeOracleGateway,
+    private readonly escrowUtilsGateway: EscrowUtilsGateway,
     @InjectMapper() private readonly mapper: Mapper,
   ) {}
 
   async processJobAssignment(
     command: JobAssignmentCommand,
   ): Promise<JobAssignmentResponse> {
+    const exchangeOracleAddress =
+      await this.escrowUtilsGateway.getExchangeOracleAddressByEscrowAddress(
+        command.data.chainId,
+        command.data.escrowAddress,
+      );
     const exchangeOracleUrl =
-      await this.kvStoreGateway.getExchangeOracleUrlByAddress(command.address);
+      await this.kvStoreGateway.getExchangeOracleUrlByAddress(
+        exchangeOracleAddress,
+      );
     const details = this.mapper.map(
       command,
       JobAssignmentCommand,
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/model/job-assignment.model.ts b/packages/apps/human-app/server/src/modules/job-assignment/model/job-assignment.model.ts
index 0050c6a3a1..3b97052f1e 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/model/job-assignment.model.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/model/job-assignment.model.ts
@@ -5,18 +5,14 @@ import {
   PageableData,
   PageableDto,
   PageableParams,
-} from '../../../common/interfaces/pageable.interface';
+} from '../../../common/utils/pageable.model';
 import {
   AssignmentSortField,
   AssignmentStatus,
-} from '../../../common/enums/global-common.interface';
+} from '../../../common/enums/global-common';
 import { Type } from 'class-transformer';
 
 export class JobAssignmentDto {
-  @AutoMap()
-  @IsString()
-  @ApiProperty()
-  address: string;
   @AutoMap()
   @IsString()
   @ApiProperty()
@@ -39,8 +35,6 @@ export class JobAssignmentCommand {
   data: JobAssignmentParams;
   @AutoMap()
   token: string;
-  @AutoMap()
-  address: string;
 }
 
 export class JobAssignmentDetails {
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.fixtures.ts b/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.fixtures.ts
index 34ac24cd8c..4cc7266e08 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.fixtures.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.fixtures.ts
@@ -17,7 +17,7 @@ import {
   AssignmentSortField,
   AssignmentStatus,
   SortOrder,
-} from '../../../common/enums/global-common.interface';
+} from '../../../common/enums/global-common';
 const EXCHANGE_ORACLE_URL = 'https://www.example.com/api';
 const EXCHANGE_ORACLE_ADDRESS = '0x34df642';
 const ESCROW_ADDRESS = 'test_address';
@@ -40,7 +40,6 @@ const TOKEN = 'test_user_token';
 export const jobAssignmentToken = TOKEN;
 export const jobAssignmentOracleUrl = EXCHANGE_ORACLE_URL;
 export const jobAssignmentDtoFixture: JobAssignmentDto = {
-  address: EXCHANGE_ORACLE_ADDRESS,
   escrow_address: ESCROW_ADDRESS,
   chain_id: CHAIN_ID,
 };
@@ -52,7 +51,6 @@ const jobAssignmentParams: JobAssignmentParams = {
 export const jobAssignmentCommandFixture: JobAssignmentCommand = {
   data: jobAssignmentParams,
   token: TOKEN,
-  address: EXCHANGE_ORACLE_ADDRESS,
 };
 export const jobAssignmentDetailsFixture: JobAssignmentDetails = {
   data: jobAssignmentParams,
diff --git a/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.service.spec.ts b/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.service.spec.ts
index 58ab5b660b..4cbc2987de 100644
--- a/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.service.spec.ts
+++ b/packages/apps/human-app/server/src/modules/job-assignment/spec/job-assignment.service.spec.ts
@@ -12,11 +12,13 @@ import {
 import { AutomapperModule } from '@automapper/nestjs';
 import { classes } from '@automapper/classes';
 import { JobAssignmentProfile } from '../job-assignment.mapper';
+import { EscrowUtilsGateway } from '../../../integrations/escrow/escrow-utils-gateway.service';
 
 describe('JobAssignmentService', () => {
   let service: JobAssignmentService;
   let exchangeOracleGatewayMock: Partial<ExchangeOracleGateway>;
   let kvStoreGatewayMock: Partial<KvStoreGateway>;
+  let escrowUtilsGatewayMock: Partial<EscrowUtilsGateway>;
   beforeEach(async () => {
     exchangeOracleGatewayMock = {
       postNewJobAssignment: jest.fn(),
@@ -25,6 +27,9 @@ describe('JobAssignmentService', () => {
     kvStoreGatewayMock = {
       getExchangeOracleUrlByAddress: jest.fn(),
     };
+    escrowUtilsGatewayMock = {
+      getExchangeOracleAddressByEscrowAddress: jest.fn(),
+    };
 
     const module: TestingModule = await Test.createTestingModule({
       imports: [
@@ -37,6 +42,7 @@ describe('JobAssignmentService', () => {
         JobAssignmentProfile,
         { provide: ExchangeOracleGateway, useValue: exchangeOracleGatewayMock },
         { provide: KvStoreGateway, useValue: kvStoreGatewayMock },
+        { provide: EscrowUtilsGateway, useValue: escrowUtilsGatewayMock },
       ],
     }).compile();
 
@@ -49,9 +55,12 @@ describe('JobAssignmentService', () => {
 
   describe('processJobAssignment', () => {
     it('should process job assignment correctly', async () => {
+      const escrowUtilExchangeOracleAddress = '0x';
       const command = jobAssignmentCommandFixture;
       const details = jobAssignmentDetailsFixture;
-
+      (
+        escrowUtilsGatewayMock.getExchangeOracleAddressByEscrowAddress as jest.Mock
+      ).mockResolvedValue(escrowUtilExchangeOracleAddress);
       (
         kvStoreGatewayMock.getExchangeOracleUrlByAddress as jest.Mock
       ).mockResolvedValue(jobAssignmentOracleUrl);
@@ -63,9 +72,12 @@ describe('JobAssignmentService', () => {
 
       const result = await service.processJobAssignment(command);
 
+      expect(
+        escrowUtilsGatewayMock.getExchangeOracleAddressByEscrowAddress,
+      ).toHaveBeenCalledWith(command.data.chainId, command.data.escrowAddress);
       expect(
         kvStoreGatewayMock.getExchangeOracleUrlByAddress,
-      ).toHaveBeenCalledWith(command.address);
+      ).toHaveBeenCalledWith(escrowUtilExchangeOracleAddress);
       expect(
         exchangeOracleGatewayMock.postNewJobAssignment,
       ).toHaveBeenCalledWith(details);
diff --git a/packages/apps/human-app/server/src/modules/jobs-discovery/model/jobs-discovery.model.ts b/packages/apps/human-app/server/src/modules/jobs-discovery/model/jobs-discovery.model.ts
index be34d87f45..5bb5c28d3c 100644
--- a/packages/apps/human-app/server/src/modules/jobs-discovery/model/jobs-discovery.model.ts
+++ b/packages/apps/human-app/server/src/modules/jobs-discovery/model/jobs-discovery.model.ts
@@ -6,12 +6,12 @@ import {
   JobDiscoveryFieldName,
   JobDiscoverySortField,
   JobStatus,
-} from '../../../common/enums/global-common.interface';
+} from '../../../common/enums/global-common';
 import {
   PageableData,
   PageableDto,
   PageableParams,
-} from '../../../common/interfaces/pageable.interface';
+} from '../../../common/utils/pageable.model';
 
 export class JobsDiscoveryParamsDto extends PageableDto {
   @AutoMap()
diff --git a/packages/apps/human-app/server/src/modules/jobs-discovery/spec/jobs-discovery.fixtures.ts b/packages/apps/human-app/server/src/modules/jobs-discovery/spec/jobs-discovery.fixtures.ts
index f3ad330277..3d675cbc13 100644
--- a/packages/apps/human-app/server/src/modules/jobs-discovery/spec/jobs-discovery.fixtures.ts
+++ b/packages/apps/human-app/server/src/modules/jobs-discovery/spec/jobs-discovery.fixtures.ts
@@ -10,7 +10,7 @@ import {
   JobDiscoveryFieldName,
   JobDiscoverySortField, JobStatus,
   SortOrder,
-} from '../../../common/enums/global-common.interface';
+} from '../../../common/enums/global-common';
 const EXCHANGE_ORACLE_URL = 'https://www.test_url.org';
 const ESCROW_ADDRESS = 'test_address';
 const CHAIN_ID = 1;
diff --git a/packages/apps/human-app/server/src/modules/oracle-discovery/model/oracle-discovery.model.ts b/packages/apps/human-app/server/src/modules/oracle-discovery/model/oracle-discovery.model.ts
index d51d147517..9b6b6df4ad 100644
--- a/packages/apps/human-app/server/src/modules/oracle-discovery/model/oracle-discovery.model.ts
+++ b/packages/apps/human-app/server/src/modules/oracle-discovery/model/oracle-discovery.model.ts
@@ -1,29 +1,19 @@
 import { IOperator } from '@human-protocol/sdk';
 import { AutoMap } from '@automapper/classes';
-import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
-import { IsNumber, IsOptional } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+import { IsNumber } from 'class-validator';
 import { Type } from 'class-transformer';
 
 export class OracleDiscoveryDto {
   @AutoMap()
   @IsNumber()
   @Type(() => Number)
-  @IsOptional()
-  @ApiPropertyOptional({ example: 80002 })
+  @ApiProperty({ example: 80002 })
   chainId: number;
-  @AutoMap()
-  @ApiProperty({ example: '0x4708354213453af0cdC33eb75d94fBC00045841E' })
-  address: string;
-  constructor(chainId: number, address: string) {
-    this.chainId = chainId;
-    this.address = address;
-  }
 }
 export class OracleDiscoveryCommand {
   @AutoMap()
   chainId: number;
-  @AutoMap()
-  address: string;
 }
 
 export class OracleDiscoveryResponse implements IOperator {
diff --git a/packages/apps/human-app/server/src/modules/oracle-discovery/oracle-discovery.serivce.ts b/packages/apps/human-app/server/src/modules/oracle-discovery/oracle-discovery.serivce.ts
index db461253ad..853db99279 100644
--- a/packages/apps/human-app/server/src/modules/oracle-discovery/oracle-discovery.serivce.ts
+++ b/packages/apps/human-app/server/src/modules/oracle-discovery/oracle-discovery.serivce.ts
@@ -18,17 +18,17 @@ export class OracleDiscoveryService {
   async processOracleDiscovery(
     command: OracleDiscoveryCommand,
   ): Promise<OracleDiscoveryResponse[]> {
-    command.address = command.address.toLowerCase();
+    const address = this.configService.reputationOracleAddress.toLowerCase();
     let data: OracleDiscoveryResponse[] | undefined =
-      await this.cacheManager.get(command.address);
+      await this.cacheManager.get(command.chainId.toString());
     if (!data) {
       data = await OperatorUtils.getReputationNetworkOperators(
         command.chainId,
-        command.address,
+        address,
         this.EXCHANGE_ORACLE,
       );
       await this.cacheManager.set(
-        command.address,
+        command.chainId.toString(),
         data,
         this.configService.cacheTtlOracleDiscovery,
       );
diff --git a/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.controller.spec.ts b/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.controller.spec.ts
index 7a0af8919d..96dd715373 100644
--- a/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.controller.spec.ts
+++ b/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.controller.spec.ts
@@ -45,13 +45,11 @@ describe('OracleDiscoveryController', () => {
     it('oracle discovery should be called with input in OracleDiscoveryDto format and return OracleDiscoveryData', async () => {
       const dto: OracleDiscoveryDto = {
         chainId: 80001,
-        address: '0x4708354213453af0cdC33eb75d94fBC00045841E',
       };
       const result: OracleDiscoveryResponse[] =
         await controller.getOracles(dto);
       const expectedCommand = {
         chainId: ChainId.POLYGON_MUMBAI,
-        address: dto.address,
       } as OracleDiscoveryCommand;
       expect(service.processOracleDiscovery).toHaveBeenCalledWith(
         expectedCommand,
diff --git a/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.service.spec.ts b/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.service.spec.ts
index 46dcd711bd..c0b6c2c570 100644
--- a/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.service.spec.ts
+++ b/packages/apps/human-app/server/src/modules/oracle-discovery/spec/oracle-discovery.service.spec.ts
@@ -41,6 +41,13 @@ describe('OracleDiscoveryService', () => {
             set: jest.fn(),
           },
         },
+        {
+          provide: EnvironmentConfigService,
+          useValue: {
+            reputationOracleAddress: 'mockedaddress',
+            cacheTtlOracleDiscovery: 86400,
+          },
+        },
       ],
     }).compile();
     configService = moduleRef.get<EnvironmentConfigService>(
@@ -61,7 +68,6 @@ describe('OracleDiscoveryService', () => {
       { address: 'mockAddress2', role: 'validator' },
     ];
     const command: OracleDiscoveryCommand = {
-      address: 'mockAddress',
       chainId: 80001,
     };
     jest.spyOn(cacheManager, 'get').mockResolvedValue(mockData);
@@ -69,7 +75,6 @@ describe('OracleDiscoveryService', () => {
     const result = await oracleDiscoveryService.processOracleDiscovery(command);
 
     expect(result).toEqual(mockData);
-    expect(cacheManager.get).toHaveBeenCalledWith(command.address);
     expect(OperatorUtils.getReputationNetworkOperators).not.toHaveBeenCalled();
   });
 
@@ -79,9 +84,9 @@ describe('OracleDiscoveryService', () => {
       { address: 'mockAddress2', role: 'validator' },
     ];
     const command: OracleDiscoveryCommand = {
-      address: 'mockAddress',
       chainId: 80001,
     };
+
     jest.spyOn(cacheManager, 'get').mockResolvedValue(undefined);
     jest
       .spyOn(OperatorUtils, 'getReputationNetworkOperators')
@@ -90,15 +95,15 @@ describe('OracleDiscoveryService', () => {
     const result = await oracleDiscoveryService.processOracleDiscovery(command);
 
     expect(result).toEqual(mockData);
-    expect(cacheManager.get).toHaveBeenCalledWith(command.address);
+    expect(cacheManager.get).toHaveBeenCalledWith(command.chainId.toString());
     expect(cacheManager.set).toHaveBeenCalledWith(
-      command.address,
+      command.chainId.toString(),
       mockData,
       configService.cacheTtlOracleDiscovery,
     );
     expect(OperatorUtils.getReputationNetworkOperators).toHaveBeenCalledWith(
       command.chainId,
-      command.address,
+      'mockedaddress',
       EXCHANGE_ORACLE,
     );
   });
diff --git a/packages/apps/human-app/server/src/modules/statistics/spec/statistisc.controller.spec.ts b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.controller.spec.ts
similarity index 97%
rename from packages/apps/human-app/server/src/modules/statistics/spec/statistisc.controller.spec.ts
rename to packages/apps/human-app/server/src/modules/statistics/spec/statistics.controller.spec.ts
index f06eb14e3e..b7d334c0bf 100644
--- a/packages/apps/human-app/server/src/modules/statistics/spec/statistisc.controller.spec.ts
+++ b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.controller.spec.ts
@@ -5,7 +5,7 @@ import { statisticsServiceMock } from './statistics.service.mock';
 import {
   oracleStatsCommandFixture,
   oracleStatsResponseFixture,
-  statisticsExchangeOracleAddress, statisticsExchangeOracleUrl,
+  statisticsExchangeOracleAddress,
   statisticsToken,
   userStatsCommandFixture,
   userStatsResponseFixture,
diff --git a/packages/apps/human-app/server/src/modules/statistics/spec/statistics.fixtures.ts b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.fixtures.ts
index 00ed916d29..9198656ff4 100644
--- a/packages/apps/human-app/server/src/modules/statistics/spec/statistics.fixtures.ts
+++ b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.fixtures.ts
@@ -1,9 +1,11 @@
 import {
-  UserStatisticsCommand, UserStatisticsDetails,
+  UserStatisticsCommand,
+  UserStatisticsDetails,
   UserStatisticsResponse,
 } from '../model/user-statistics.model';
 import {
-  OracleStatisticsCommand, OracleStatisticsDetails,
+  OracleStatisticsCommand,
+  OracleStatisticsDetails,
   OracleStatisticsResponse,
 } from '../model/oracle-statistics.model';
 import { AxiosRequestConfig } from 'axios';
@@ -21,7 +23,7 @@ const ASSIGNMENTS_COMPLETED_ORACLE = 154363;
 const ASSIGNMENTS_REJECTED_ORACLE = 231;
 const ASSIGNMENTS_EXPIRED_ORACLE = 434;
 const EXCHANGE_ORACLE_ADDRESS = '0x32df932';
-const EXCHANGE_ORACLE_URL = 'https://test.oracle.com'
+const EXCHANGE_ORACLE_URL = 'https://test.oracle.com';
 const TOKEN = 'test-token';
 export const statisticsToken = TOKEN;
 export const statisticsExchangeOracleAddress = EXCHANGE_ORACLE_ADDRESS;
diff --git a/packages/apps/human-app/server/src/modules/statistics/spec/statistics.service.spec.ts b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.service.spec.ts
index 55aa73d20b..f2fca357ea 100644
--- a/packages/apps/human-app/server/src/modules/statistics/spec/statistics.service.spec.ts
+++ b/packages/apps/human-app/server/src/modules/statistics/spec/statistics.service.spec.ts
@@ -5,16 +5,19 @@ import { StatisticsService } from '../statistics.service';
 import { ExchangeOracleGateway } from '../../../integrations/exchange-oracle/exchange-oracle.gateway';
 import { EnvironmentConfigService } from '../../../common/config/environment-config.service';
 import { Cache } from 'cache-manager';
-import { UserStatisticsCommand, UserStatisticsDetails } from '../model/user-statistics.model';
+import {
+  UserStatisticsCommand,
+  UserStatisticsDetails,
+} from '../model/user-statistics.model';
 import { KvStoreGateway } from '../../../integrations/kv-store/kv-store-gateway.service';
 import {
   OracleStatisticsCommand,
   OracleStatisticsDetails,
   OracleStatisticsResponse,
 } from '../model/oracle-statistics.model';
-const EXCHANGE_ORACLE_URL = 'https://exchangeOracle.url'
-const EXCHANGE_ORACLE_ADDRESS = '0x8f238b21aa2056'
-const TOKEN = 'token1'
+const EXCHANGE_ORACLE_URL = 'https://exchangeOracle.url';
+const EXCHANGE_ORACLE_ADDRESS = '0x8f238b21aa2056';
+const TOKEN = 'token1';
 describe('StatisticsService', () => {
   let service: StatisticsService;
   let cacheManager: Cache & { get: jest.Mock; set: jest.Mock }; // Explicitly type as jest.Mock
@@ -66,7 +69,9 @@ describe('StatisticsService', () => {
       const cachedData = { some: 'data' };
       cacheManager.get.mockResolvedValue(cachedData);
 
-      const command: OracleStatisticsCommand = { address: EXCHANGE_ORACLE_ADDRESS };
+      const command: OracleStatisticsCommand = {
+        address: EXCHANGE_ORACLE_ADDRESS,
+      };
       const result: OracleStatisticsResponse =
         await service.getOracleStats(command);
 
diff --git a/packages/apps/human-app/server/src/modules/statistics/statistics.controller.ts b/packages/apps/human-app/server/src/modules/statistics/statistics.controller.ts
index 49de5e92a6..07268cd6cd 100644
--- a/packages/apps/human-app/server/src/modules/statistics/statistics.controller.ts
+++ b/packages/apps/human-app/server/src/modules/statistics/statistics.controller.ts
@@ -1,7 +1,6 @@
 import {
   Controller,
   Get,
-  Headers,
   Query,
   UsePipes,
   ValidationPipe,