diff --git a/app/Jobs/ProcessPosterImage.php b/app/Jobs/ProcessPosterImage.php
index 742c4d9..e82ea46 100644
--- a/app/Jobs/ProcessPosterImage.php
+++ b/app/Jobs/ProcessPosterImage.php
@@ -3,7 +3,9 @@
 namespace App\Jobs;
 
 use Illuminate\Bus\Queueable;
+use Intervention\Image\Facades\Image;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Storage;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
@@ -21,6 +23,9 @@ class ProcessPosterImage implements ShouldQueue
 
     public function handle()
     {
-        //
+        $imageContents = Storage::disk('public')->get($this->concert->poster_image_path);
+        $image = Image::make($imageContents);
+        $image->resize(600)->encode();
+        Storage::disk('public')->put($this->concert->poster_image_path, (string) $image);
     }
 }
diff --git a/composer.json b/composer.json
index ce1667e..e319fd1 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,8 @@
         "stripe/stripe-php": "^4.3",
         "guzzlehttp/guzzle": "^6.2",
         "hashids/hashids": "^2.0",
-        "laravel/dusk": "^1.1"
+        "laravel/dusk": "^1.1",
+        "intervention/image": "^2.4"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",
diff --git a/composer.lock b/composer.lock
index 156f60a..95f16ee 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "a503f9147c24fb95300877d6d2f3f0bc",
+    "content-hash": "02c9d4c5e1e6a691a3b64c3a732aee1d",
     "packages": [
         {
             "name": "doctrine/inflector",
@@ -522,6 +522,76 @@
             ],
             "time": "2017-01-01T13:33:33+00:00"
         },
+        {
+            "name": "intervention/image",
+            "version": "2.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Intervention/image.git",
+                "reference": "3603dbcc9a17d307533473246a6c58c31cf17919"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Intervention/image/zipball/3603dbcc9a17d307533473246a6c58c31cf17919",
+                "reference": "3603dbcc9a17d307533473246a6c58c31cf17919",
+                "shasum": ""
+            },
+            "require": {
+                "ext-fileinfo": "*",
+                "guzzlehttp/psr7": "~1.1",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "~0.9.2",
+                "phpunit/phpunit": "^4.8 || ^5.7"
+            },
+            "suggest": {
+                "ext-gd": "to use GD library based image processing.",
+                "ext-imagick": "to use Imagick based image processing.",
+                "intervention/imagecache": "Caching extension for the Intervention Image library"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.3-dev"
+                },
+                "laravel": {
+                    "providers": [
+                        "Intervention\\Image\\ImageServiceProvider"
+                    ],
+                    "aliases": {
+                        "Image": "Intervention\\Image\\Facades\\Image"
+                    }
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Intervention\\Image\\": "src/Intervention/Image"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Oliver Vogel",
+                    "email": "oliver@olivervogel.com",
+                    "homepage": "http://olivervogel.com/"
+                }
+            ],
+            "description": "Image handling and manipulation library with support for Laravel integration",
+            "homepage": "http://image.intervention.io/",
+            "keywords": [
+                "gd",
+                "image",
+                "imagick",
+                "laravel",
+                "thumbnail",
+                "watermark"
+            ],
+            "time": "2017-09-21T16:29:17+00:00"
+        },
         {
             "name": "laravel/dusk",
             "version": "v1.1.0",
diff --git a/tests/Unit/Jobs/ProcessPosterImageTest.php b/tests/Unit/Jobs/ProcessPosterImageTest.php
new file mode 100644
index 0000000..ddeb38f
--- /dev/null
+++ b/tests/Unit/Jobs/ProcessPosterImageTest.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Unit\Jobs;
+
+use Tests\TestCase;
+use App\Jobs\ProcessPosterImage;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+class ProcessPosterImageTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /** @test */
+    function it_resizes_the_poster_image_to_600px_wide()
+    {
+        Storage::fake('public');
+        Storage::disk('public')->put(
+            'posters/example-poster.png',
+            file_get_contents(base_path('tests/__fixtures__/full-size-poster.png'))
+        );
+        $concert = \ConcertFactory::createUnpublished([
+            'poster_image_path' => 'posters/example-poster.png',
+        ]);
+
+        ProcessPosterImage::dispatch($concert);
+
+        $resizedImage = Storage::disk('public')->get('posters/example-poster.png');
+        list($width) = getimagesizefromstring($resizedImage);
+        $this->assertEquals(600, $width);
+
+    }
+}
diff --git a/tests/__fixtures__/full-size-poster.png b/tests/__fixtures__/full-size-poster.png
new file mode 100644
index 0000000..6d22e1c
Binary files /dev/null and b/tests/__fixtures__/full-size-poster.png differ