diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index a598bc7..cc6d0ac 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -20,7 +20,6 @@ model Users {
   email         String?  @unique
   phone_number  Int     @unique
   residence     String?
-  role          Roles    @default(USER)
 
 
   employee      Employees? @relation("UserEmployee")
@@ -53,7 +52,6 @@ model Customers {
 }
 
 enum Roles {
-  USER
   ADMIN
   CUSTOMER
   DEALER
diff --git a/src/modules/users/controllers/users.controller.spec.ts b/src/modules/employees/controllers/employees.controller.spec.ts
similarity index 50%
rename from src/modules/users/controllers/users.controller.spec.ts
rename to src/modules/employees/controllers/employees.controller.spec.ts
index 3e27c39..2e866dd 100644
--- a/src/modules/users/controllers/users.controller.spec.ts
+++ b/src/modules/employees/controllers/employees.controller.spec.ts
@@ -1,15 +1,15 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { UsersController } from './users.controller';
+import { EmployeesController } from './employees.controller';
 
-describe('UsersController', () => {
-  let controller: UsersController;
+describe('EmployeesController', () => {
+  let controller: EmployeesController;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      controllers: [UsersController],
+      controllers: [EmployeesController],
     }).compile();
 
-    controller = module.get<UsersController>(UsersController);
+    controller = module.get<EmployeesController>(EmployeesController);
   });
 
   it('should be defined', () => {
diff --git a/src/modules/employees/controllers/employees.controller.ts b/src/modules/employees/controllers/employees.controller.ts
new file mode 100644
index 0000000..cce4e9d
--- /dev/null
+++ b/src/modules/employees/controllers/employees.controller.ts
@@ -0,0 +1,51 @@
+import {
+  Body,
+  Controller,
+  Delete,
+  Get,
+  Param,
+  ParseIntPipe,
+  Patch,
+  Post,
+} from '@nestjs/common';
+import { Employees } from '@prisma/client';
+import { EmployeesService } from '../services/employees.service';
+import { CreateEmployeeDto } from '../dtos/create-employee.dto';
+import { UpdateEmployeeDto } from '../dtos/update-employee.dto';
+
+@Controller('employees')
+export class EmployeesController {
+  constructor(private readonly employeesService: EmployeesService) {}
+
+  @Post()
+  create(@Body() dto: CreateEmployeeDto): Promise<Employees> {
+    return this.employeesService.create(dto);
+  }
+
+  @Get()
+  findAll(): Promise<Employees[]> {
+    return this.employeesService.findAll();
+  }
+
+  @Get(':employee_id')
+  findOne(
+    @Param('employee_id', ParseIntPipe) employee_id: number,
+  ): Promise<Employees> {
+    return this.employeesService.findOne(employee_id);
+  }
+
+  @Patch(':employee_id')
+  update(
+    @Param('employee_id', ParseIntPipe) employee_id: number,
+    @Body() dto: UpdateEmployeeDto,
+  ): Promise<Employees> {
+    return this.employeesService.update(employee_id, dto);
+  }
+
+  @Delete(':employee_id')
+  remove(
+    @Param('employee_id', ParseIntPipe) employee_id: number,
+  ): Promise<Employees> {
+    return this.employeesService.remove(employee_id);
+  }
+}
diff --git a/src/modules/employees/dtos/create-employee.dto.ts b/src/modules/employees/dtos/create-employee.dto.ts
new file mode 100644
index 0000000..7cad392
--- /dev/null
+++ b/src/modules/employees/dtos/create-employee.dto.ts
@@ -0,0 +1,57 @@
+import {
+  IsDate,
+  IsDateString,
+  IsEmail,
+  IsInt,
+  IsNotEmpty,
+  IsOptional,
+  IsPositive,
+  IsString,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+
+export class CreateEmployeeDto {
+  @IsString()
+  @IsNotEmpty()
+  first_name: string;
+
+  @IsString()
+  @IsNotEmpty()
+  last_name: string;
+
+  @IsEmail()
+  @IsOptional()
+  email?: string;
+
+  @Type(() => Number)
+  @IsInt({
+    message: 'Le numéro de téléphone doit être sans tirets ni espaces.',
+  })
+  @IsPositive()
+  phone_number: number;
+
+  @IsString()
+  @IsOptional()
+  residence?: string;
+
+  @IsInt()
+  @IsPositive()
+  @Type(() => Number)
+  external_payroll_id: number;
+
+  @IsInt()
+  @IsPositive()
+  @Type(() => Number)
+  company_code: number;
+
+  @IsDateString()
+  @Type(() => Date)
+  @IsDate()
+  first_work_day: Date;
+
+  @IsDateString()
+  @Type(() => Date)
+  @IsDate()
+  @IsOptional()
+  last_work_day?: Date;
+}
diff --git a/src/modules/employees/dtos/update-employee.dto.ts b/src/modules/employees/dtos/update-employee.dto.ts
new file mode 100644
index 0000000..f4096a1
--- /dev/null
+++ b/src/modules/employees/dtos/update-employee.dto.ts
@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreateEmployeeDto } from './create-employee.dto';
+
+export class UpdateEmployeeDto extends PartialType(CreateEmployeeDto) {}
diff --git a/src/modules/employees/employees.module.ts b/src/modules/employees/employees.module.ts
new file mode 100644
index 0000000..6e07446
--- /dev/null
+++ b/src/modules/employees/employees.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { EmployeesController } from './controllers/employees.controller';
+import { EmployeesService } from './services/employees.service';
+
+@Module({
+  controllers: [EmployeesController],
+  providers: [EmployeesService],
+})
+export class EmployeesModule {}
diff --git a/src/modules/employees/services/employees.service.spec.ts b/src/modules/employees/services/employees.service.spec.ts
new file mode 100644
index 0000000..4ddbde1
--- /dev/null
+++ b/src/modules/employees/services/employees.service.spec.ts
@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { EmployeesService } from './employees.service';
+
+describe('EmployeesService', () => {
+  let service: EmployeesService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [EmployeesService],
+    }).compile();
+
+    service = module.get<EmployeesService>(EmployeesService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});
diff --git a/src/modules/employees/services/employees.service.ts b/src/modules/employees/services/employees.service.ts
new file mode 100644
index 0000000..63daacd
--- /dev/null
+++ b/src/modules/employees/services/employees.service.ts
@@ -0,0 +1,87 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { UsersService } from 'src/modules/users-management/services/users.service';
+import { CreateEmployeeDto } from '../dtos/create-employee.dto';
+import { UpdateEmployeeDto } from '../dtos/update-employee.dto';
+import { Employees, Users } from '@prisma/client';
+
+@Injectable()
+export class EmployeesService {
+  constructor(
+    private readonly prisma: PrismaService,
+    private readonly usersService: UsersService,
+  ) {}
+
+  async create(dto: CreateEmployeeDto): Promise<Employees> {
+    const {
+      first_name,
+      last_name,
+      email,
+      phone_number,
+      residence,
+      external_payroll_id,
+      company_code,
+      first_work_day,
+      last_work_day,
+    } = dto;
+
+    return this.prisma.$transaction(async (tx) => {
+      const user: Users = await tx.users.create({
+        data: {
+          first_name,
+          last_name,
+          email,
+          phone_number,
+          residence,
+        },
+      });
+      return tx.employees.create({
+        data: {
+          user_id: user.user_id,
+          external_payroll_id,
+          company_code,
+          first_work_day,
+          last_work_day,
+        },
+      });
+    });
+  }
+
+  findAll(): Promise<Employees[]> {
+    return this.prisma.employees.findMany({
+      include: { user: true },
+    });
+  }
+
+  async findOne(employee_id: number): Promise<Employees> {
+    const emp = await this.prisma.employees.findUnique({
+      where: { employee_id },
+      include: { user: true },
+    });
+    if (!emp) {
+      throw new NotFoundException(`Employee #${employee_id} not found`);
+    }
+    return emp;
+  }
+
+  async update(
+    employee_id: number,
+    dto: UpdateEmployeeDto,
+  ): Promise<Employees> {
+    await this.findOne(employee_id);
+    return this.prisma.employees.update({
+      where: { employee_id },
+      data: {
+        external_payroll_id: dto.external_payroll_id,
+        company_code: dto.company_code,
+        first_work_day: dto.first_work_day,
+        last_work_day: dto.last_work_day,
+      },
+    });
+  }
+
+  async remove(employee_id: number): Promise<Employees> {
+    await this.findOne(employee_id);
+    return this.prisma.employees.delete({ where: { employee_id } });
+  }
+}
diff --git a/src/modules/users/services/users.service.ts b/src/modules/users-management/services/abstract-user.service.ts
similarity index 56%
rename from src/modules/users/services/users.service.ts
rename to src/modules/users-management/services/abstract-user.service.ts
index 02f905d..f8a746a 100644
--- a/src/modules/users/services/users.service.ts
+++ b/src/modules/users-management/services/abstract-user.service.ts
@@ -1,16 +1,10 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
-import { CreateUserDto } from '../dtos/create-user.dto';
-import { UpdateUserDto } from '../dtos/update-user.dto';
-import { PrismaService } from 'src/prisma/prisma.service';
 import { Users } from '@prisma/client';
+import { PrismaService } from 'src/prisma/prisma.service';
 
 @Injectable()
-export class UsersService {
-  constructor(private readonly prisma: PrismaService) {}
-
-  create(dto: CreateUserDto): Promise<Users> {
-    return this.prisma.users.create({ data: dto });
-  }
+export abstract class AbstractUserService {
+  constructor(protected readonly prisma: PrismaService) {}
 
   findAll(): Promise<Users[]> {
     return this.prisma.users.findMany();
@@ -24,14 +18,6 @@ export class UsersService {
     return user;
   }
 
-  async update(user_id: number, dto: UpdateUserDto): Promise<Users> {
-    await this.findOne(user_id);
-    return this.prisma.users.update({
-      where: { user_id },
-      data: dto,
-    });
-  }
-
   async remove(user_id: number): Promise<Users> {
     await this.findOne(user_id);
     return this.prisma.users.delete({ where: { user_id } });
diff --git a/src/modules/users/services/users.service.spec.ts b/src/modules/users-management/services/users.service.spec.ts
similarity index 100%
rename from src/modules/users/services/users.service.spec.ts
rename to src/modules/users-management/services/users.service.spec.ts
diff --git a/src/modules/users-management/services/users.service.ts b/src/modules/users-management/services/users.service.ts
new file mode 100644
index 0000000..cdac03d
--- /dev/null
+++ b/src/modules/users-management/services/users.service.ts
@@ -0,0 +1,10 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { AbstractUserService } from './abstract-user.service';
+
+@Injectable()
+export class UsersService extends AbstractUserService {
+  constructor(protected readonly prisma: PrismaService) {
+    super(prisma);
+  }
+}
diff --git a/src/modules/users/users.module.ts b/src/modules/users-management/users.module.ts
similarity index 71%
rename from src/modules/users/users.module.ts
rename to src/modules/users-management/users.module.ts
index 7a5751a..5e13161 100644
--- a/src/modules/users/users.module.ts
+++ b/src/modules/users-management/users.module.ts
@@ -1,11 +1,10 @@
 import { Module } from '@nestjs/common';
 import { UsersService } from './services/users.service';
-import { UsersController } from './controllers/users.controller';
 import { PrismaModule } from 'src/prisma/prisma.module';
 
 @Module({
   imports: [PrismaModule],
   providers: [UsersService],
-  controllers: [UsersController],
+  controllers: [],
 })
 export class UsersModule {}
diff --git a/src/modules/users/controllers/users.controller.ts b/src/modules/users/controllers/users.controller.ts
deleted file mode 100644
index 1a26add..0000000
--- a/src/modules/users/controllers/users.controller.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import {
-  Controller,
-  Get,
-  Post,
-  Body,
-  Param,
-  Patch,
-  Delete,
-  ParseIntPipe,
-} from '@nestjs/common';
-import { UsersService } from '../services/users.service';
-import { CreateUserDto } from '../dtos/create-user.dto';
-import { UpdateUserDto } from '../dtos/update-user.dto';
-import { Users } from '@prisma/client';
-
-@Controller('users')
-export class UsersController {
-  constructor(private readonly usersService: UsersService) {}
-
-  @Post()
-  create(@Body() dto: CreateUserDto): Promise<Users> {
-    return this.usersService.create(dto);
-  }
-
-  @Get()
-  findAll(): Promise<Users[]> {
-    return this.usersService.findAll();
-  }
-
-  @Get()
-  findOne(@Param('id', ParseIntPipe) user_id: number): Promise<Users> {
-    return this.usersService.findOne(user_id);
-  }
-
-  @Patch(':user_id')
-  update(
-    @Param('user_id', ParseIntPipe) user_id: number,
-    @Body() dto: UpdateUserDto,
-  ): Promise<Users> {
-    return this.usersService.update(user_id, dto);
-  }
-
-  @Delete(':user_id')
-  remove(@Param('user_id', ParseIntPipe) user_id: number): Promise<Users> {
-    return this.usersService.remove(user_id);
-  }
-}
diff --git a/src/modules/users/dtos/create-user.dto.ts b/src/modules/users/dtos/create-user.dto.ts
deleted file mode 100644
index e373b08..0000000
--- a/src/modules/users/dtos/create-user.dto.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { IsString, IsNotEmpty, IsEmail, IsPhoneNumber } from 'class-validator';
-
-export class CreateUserDto {
-  @IsString()
-  @IsNotEmpty()
-  first_name: string;
-
-  @IsString()
-  @IsNotEmpty()
-  last_name: string;
-
-  @IsEmail()
-  email: string;
-
-  @IsPhoneNumber()
-  @IsNotEmpty()
-  phone_number: number;
-
-  @IsString()
-  residence: string;
-}
diff --git a/src/modules/users/dtos/update-user.dto.ts b/src/modules/users/dtos/update-user.dto.ts
deleted file mode 100644
index 78ab602..0000000
--- a/src/modules/users/dtos/update-user.dto.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { PartialType } from '@nestjs/swagger';
-import { CreateUserDto } from './create-user.dto';
-
-export class UpdateUserDto extends PartialType(CreateUserDto) {}