diff --git a/backend/app/Http/Controllers/CompanyController.php b/backend/app/Http/Controllers/CompanyController.php
new file mode 100644
index 0000000..171eaad
--- /dev/null
+++ b/backend/app/Http/Controllers/CompanyController.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Company;
+use Illuminate\Http\Request;
+
+class CompanyController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(Company $company)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(Company $company)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, Company $company)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(Company $company)
+    {
+        //
+    }
+}
diff --git a/backend/app/Http/Controllers/InternshipController.php b/backend/app/Http/Controllers/InternshipController.php
new file mode 100644
index 0000000..b93eca6
--- /dev/null
+++ b/backend/app/Http/Controllers/InternshipController.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Internship;
+use Illuminate\Http\Request;
+
+class InternshipController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(Internship $internship)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(Internship $internship)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, Internship $internship)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(Internship $internship)
+    {
+        //
+    }
+}
diff --git a/backend/app/Http/Controllers/InternshipStatusController.php b/backend/app/Http/Controllers/InternshipStatusController.php
new file mode 100644
index 0000000..597c6bb
--- /dev/null
+++ b/backend/app/Http/Controllers/InternshipStatusController.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\InternshipStatus;
+use Illuminate\Http\Request;
+
+class InternshipStatusController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(InternshipStatus $internshipStatus)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(InternshipStatus $internshipStatus)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, InternshipStatus $internshipStatus)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(InternshipStatus $internshipStatus)
+    {
+        //
+    }
+}
diff --git a/backend/app/Http/Controllers/StudentDataController.php b/backend/app/Http/Controllers/StudentDataController.php
new file mode 100644
index 0000000..471fcd3
--- /dev/null
+++ b/backend/app/Http/Controllers/StudentDataController.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\StudentData;
+use Illuminate\Http\Request;
+
+class StudentDataController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(StudentData $studentData)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(StudentData $studentData)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, StudentData $studentData)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(StudentData $studentData)
+    {
+        //
+    }
+}
diff --git a/backend/app/Models/Company.php b/backend/app/Models/Company.php
new file mode 100644
index 0000000..ea19407
--- /dev/null
+++ b/backend/app/Models/Company.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Company extends Model
+{
+    /** @use HasFactory<\Database\Factories\CompanyFactory> */
+    use HasFactory;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var list<string>
+     */
+    protected $fillable = [
+        'name',
+        'address',
+        'ico',
+        'contact',
+        'hiring'
+    ];
+}
diff --git a/backend/app/Models/Internship.php b/backend/app/Models/Internship.php
new file mode 100644
index 0000000..a549885
--- /dev/null
+++ b/backend/app/Models/Internship.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Internship extends Model
+{
+    /** @use HasFactory<\Database\Factories\InternshipFactory> */
+    use HasFactory;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var list<string>
+     */
+    protected $fillable = [
+        'user_id',
+        'company_id',
+        'start',
+        'end',
+        'year_of_study',
+        'semester',
+        'position_description',
+        'agreement',
+    ];
+}
diff --git a/backend/app/Models/InternshipStatus.php b/backend/app/Models/InternshipStatus.php
new file mode 100644
index 0000000..4272c86
--- /dev/null
+++ b/backend/app/Models/InternshipStatus.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class InternshipStatus extends Model
+{
+    /** @use HasFactory<\Database\Factories\InternshipStatusFactory> */
+    use HasFactory;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var list<string>
+     */
+    protected $fillable = [
+        'internship_id',
+        'status',
+        'changed',
+        'note',
+        'modified_by'
+    ];
+}
diff --git a/backend/app/Models/StudentData.php b/backend/app/Models/StudentData.php
new file mode 100644
index 0000000..8490416
--- /dev/null
+++ b/backend/app/Models/StudentData.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class StudentData extends Model
+{
+    /** @use HasFactory<\Database\Factories\StudentDataFactory> */
+    use HasFactory;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var list<string>
+     */
+    protected $fillable = [
+        'user_id',
+        'address',
+        'personal_email',
+        'study_field',
+    ];
+}
diff --git a/backend/app/Models/User.php b/backend/app/Models/User.php
index 749c7b7..97edce1 100644
--- a/backend/app/Models/User.php
+++ b/backend/app/Models/User.php
@@ -19,7 +19,11 @@ class User extends Authenticatable
      */
     protected $fillable = [
         'name',
+        'first_name',
+        'last_name',
+        'phone',
         'email',
+        'role',
         'password',
     ];
 
diff --git a/backend/database/factories/CompanyFactory.php b/backend/database/factories/CompanyFactory.php
new file mode 100644
index 0000000..44b328a
--- /dev/null
+++ b/backend/database/factories/CompanyFactory.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Company>
+ */
+class CompanyFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'name' => fake()->company(),
+            'address' => fake()->address(),
+            'ico' => fake()->numberBetween(111111, 999999),
+            'contact' => 0,
+            'hiring' => fake()->boolean(),
+        ];
+    }
+}
diff --git a/backend/database/factories/InternshipFactory.php b/backend/database/factories/InternshipFactory.php
new file mode 100644
index 0000000..d1d9015
--- /dev/null
+++ b/backend/database/factories/InternshipFactory.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Internship>
+ */
+class InternshipFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => 0,
+            'company_id' => 0,
+            'start' => fake()->dateTime(),
+            'end' => fake()->dateTime("+30 days"),
+            'year_of_study' => fake()->randomElement([1, 2, 3, 4, 5]),
+            'semester' => fake()->randomElement(["WINTER", "SUMMER"]),
+            'position_description' => fake()->jobTitle(),
+            'agreement' => null,
+        ];
+    }
+}
diff --git a/backend/database/factories/InternshipStatusFactory.php b/backend/database/factories/InternshipStatusFactory.php
new file mode 100644
index 0000000..9826179
--- /dev/null
+++ b/backend/database/factories/InternshipStatusFactory.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\InternshipStatus>
+ */
+class InternshipStatusFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'internship_id' => 0,
+            'status' => fake()->randomElement(["SUBMITTED", "CONFIRMED", "DENIED", "DEFENDED", "NOT_DEFENDED"]),
+            'changed' => fake()->dateTime(),
+            'note' => null,
+            'modified_by' => 0,
+        ];
+    }
+}
diff --git a/backend/database/factories/StudentDataFactory.php b/backend/database/factories/StudentDataFactory.php
new file mode 100644
index 0000000..31b910a
--- /dev/null
+++ b/backend/database/factories/StudentDataFactory.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\StudentData>
+ */
+class StudentDataFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => 0,
+            'address' => fake()->address(),
+            'personal_email' => fake()->safeEmail(),
+            'study_field' => fake()->randomElement(["AI22m", "AI22b"]),
+        ];
+    }
+}
diff --git a/backend/database/factories/UserFactory.php b/backend/database/factories/UserFactory.php
index 584104c..39a6cef 100644
--- a/backend/database/factories/UserFactory.php
+++ b/backend/database/factories/UserFactory.php
@@ -23,8 +23,15 @@ class UserFactory extends Factory
      */
     public function definition(): array
     {
+        $first_name = fake()->firstName();
+        $last_name = fake()->lastName();
+
         return [
-            'name' => fake()->name(),
+            'name' => "$first_name $last_name",
+            'first_name' => $first_name,
+            'last_name' => $last_name,
+            'phone' => fake()->phoneNumber(),
+            'role' => fake()->randomElement(['STUDENT', 'EMPLOYER', 'ADMIN']),
             'email' => fake()->unique()->safeEmail(),
             'email_verified_at' => now(),
             'password' => static::$password ??= Hash::make('password'),
diff --git a/backend/database/migrations/2025_10_20_191423_alter_users_table.php b/backend/database/migrations/2025_10_20_191423_alter_users_table.php
new file mode 100644
index 0000000..9041dde
--- /dev/null
+++ b/backend/database/migrations/2025_10_20_191423_alter_users_table.php
@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('first_name')->nullable(false)->after('name');
+            $table->string('last_name')->nullable(false)->after('first_name');
+            $table->string('phone')->nullable(false)->unique()->after('email');
+            $table->enum("role", ["STUDENT", "EMPLOYER", "ADMIN"])->nullable(false);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropUnique(['phone']);
+
+            $table->dropColumn([
+                'first_name',
+                'last_name',
+                'phone',
+                'role',
+            ]);
+        });
+    }
+};
diff --git a/backend/database/migrations/2025_10_20_192305_create_student_data_table.php b/backend/database/migrations/2025_10_20_192305_create_student_data_table.php
new file mode 100644
index 0000000..af27da8
--- /dev/null
+++ b/backend/database/migrations/2025_10_20_192305_create_student_data_table.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('student_data', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId("user_id")->nullable(false)->constrained("users")->onDelete("cascade");
+            $table->string("address")->nullable(false);
+            $table->string("personal_email")->nullable(false);
+            $table->string("study_field")->nullable(false);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('student_data');
+    }
+};
diff --git a/backend/database/migrations/2025_10_20_192651_create_companies_table.php b/backend/database/migrations/2025_10_20_192651_create_companies_table.php
new file mode 100644
index 0000000..194936a
--- /dev/null
+++ b/backend/database/migrations/2025_10_20_192651_create_companies_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('companies', function (Blueprint $table) {
+            $table->id();
+            $table->string("name")->nullable(false)->unique();
+            $table->string("address")->nullable(false);
+            $table->unsignedInteger("ico")->nullable(false)->unique();
+            $table->foreignId("contact")->nullable(false)->constrained("users")->onDelete("cascade");
+            $table->boolean("hiring")->nullable(false)->default(false);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('companies');
+    }
+};
diff --git a/backend/database/migrations/2025_10_20_193012_create_internships_table.php b/backend/database/migrations/2025_10_20_193012_create_internships_table.php
new file mode 100644
index 0000000..1b3f750
--- /dev/null
+++ b/backend/database/migrations/2025_10_20_193012_create_internships_table.php
@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('internships', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId("user_id")->nullable(false)->constrained("users")->onDelete("cascade");
+            $table->foreignId("company_id")->nullable(false)->constrained("companies")->onDelete("cascade");
+            $table->dateTimeTz("start")->nullable(false);
+            $table->dateTimeTz("end")->nullable(false);
+            $table->unsignedSmallInteger("year_of_study")->nullable(false);
+            $table->enum("semester", ["WINTER", "SUMMER"])->nullable(false);
+            $table->string("position_description")->nullable(false);
+            $table->binary("agreement")->nullable(true);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('internships');
+    }
+};
diff --git a/backend/database/migrations/2025_10_20_193408_create_internship_statuses_table.php b/backend/database/migrations/2025_10_20_193408_create_internship_statuses_table.php
new file mode 100644
index 0000000..a54ffa7
--- /dev/null
+++ b/backend/database/migrations/2025_10_20_193408_create_internship_statuses_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('internship_statuses', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId("internship_id")->nullable(false)->constrained("internships")->onDelete("cascade");
+            $table->enum("status", ["SUBMITTED", "CONFIRMED", "DENIED", "DEFENDED", "NOT_DEFENDED"])->nullable(false)->default("SUBMITTED");
+            $table->dateTimeTz("changed")->nullable(false);
+            $table->string("note")->nullable(true)->default(null);
+            $table->foreignId("modified_by")->nullable(false)->constrained("users")->onDelete("cascade");
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('internship_statuses');
+    }
+};
diff --git a/backend/database/seeders/DatabaseSeeder.php b/backend/database/seeders/DatabaseSeeder.php
index d01a0ef..9102ebd 100644
--- a/backend/database/seeders/DatabaseSeeder.php
+++ b/backend/database/seeders/DatabaseSeeder.php
@@ -2,6 +2,10 @@
 
 namespace Database\Seeders;
 
+use App\Models\Company;
+use App\Models\Internship;
+use App\Models\InternshipStatus;
+use App\Models\StudentData;
 use App\Models\User;
 // use Illuminate\Database\Console\Seeds\WithoutModelEvents;
 use Illuminate\Database\Seeder;
@@ -13,11 +17,48 @@ class DatabaseSeeder extends Seeder
      */
     public function run(): void
     {
-        // User::factory(10)->create();
-
-        User::factory()->create([
+        // create a default admin user
+        $admin = User::factory()->create([
             'name' => 'Test User',
+            'first_name' => 'Test',
+            'last_name' => 'User',
             'email' => 'test@example.com',
+            'phone' => '+421907444555',
+            'role' => 'ADMIN',
         ]);
+
+        // create employers and companies
+        User::factory(10)
+            ->create([
+                'role' => 'EMPLOYER'
+            ])
+            ->each(function ($user) {
+                Company::factory()->create([
+                    'contact' => $user->id
+                ]);
+            });
+
+        // create students
+        User::factory(10)
+            ->create([
+                'role' => 'STUDENT'
+            ])
+            ->each(function ($user) use ($admin) {
+                StudentData::factory()->create([
+                    'user_id' => $user->id
+                ]);
+                
+                $internship = Internship::factory()->create([
+                    'user_id' => $user->id,
+                    'company_id' => Company::inRandomOrder()->value('id'),
+                ]);
+
+                InternshipStatus::factory()->create([
+                    'internship_id' => $internship->id,
+                    'status' => "SUBMITTED",
+                    'note' => 'made by seeder',
+                    'modified_by' => $admin->id,
+                ]);
+            });
     }
 }