diff --git a/services/worker/src/s3/client.js b/services/worker/src/s3/client.js
new file mode 100644
index 0000000..04348eb
--- /dev/null
+++ b/services/worker/src/s3/client.js
@@ -0,0 +1,45 @@
+import { S3Client, GetObjectCommand, PutObjectCommand } from '@aws-sdk/client-s3';
+import { createReadStream, createWriteStream } from 'fs';
+import { pipeline } from 'stream/promises';
+
+const createS3Client = () => {
+  return new S3Client({
+    region: process.env.AWS_REGION || 'us-east-1',
+    endpoint: process.env.S3_ENDPOINT,
+    credentials: {
+      accessKeyId: process.env.AWS_ACCESS_KEY_ID,
+      secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
+    },
+    forcePathStyle: true,
+  });
+};
+
+export const downloadFromS3 = async (bucket, key, localPath) => {
+  const client = createS3Client();
+  try {
+    const response = await client.send(
+      new GetObjectCommand({ Bucket: bucket, Key: key })
+    );
+
+    const writeStream = createWriteStream(localPath);
+    await pipeline(response.Body, writeStream);
+  } finally {
+    client.destroy();
+  }
+};
+
+export const uploadToS3 = async (bucket, key, localPath) => {
+  const client = createS3Client();
+  try {
+    const readStream = createReadStream(localPath);
+    await client.send(
+      new PutObjectCommand({
+        Bucket: bucket,
+        Key: key,
+        Body: readStream,
+      })
+    );
+  } finally {
+    client.destroy();
+  }
+};