diff --git a/backend/README.md b/backend/README.md
index b8e859c2..9671b7b3 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -364,5 +364,5 @@ Here's what you should do:
       function.
 
 By following these steps, you should have your custom domain properly configured and pointing to your AWS Lambda
-function via the CloudFront distribution.
+function via the CloudFront distribution
 
diff --git a/infrastructure/terraform/lambda/engine/main.tf b/infrastructure/terraform/lambda/engine/main.tf
index 9d44c9ed..35c00fa3 100644
--- a/infrastructure/terraform/lambda/engine/main.tf
+++ b/infrastructure/terraform/lambda/engine/main.tf
@@ -24,8 +24,10 @@ module "lambda" {
 
   image_uri = local.image_uri
 
-  # Optional: Set maximum_concurrency to limit concurrent SQS-triggered invocations (2-1000)
   maximum_concurrency = var.maximum_concurrency
+  batch_size = var.batch_size
+  timeout = var.timeout
+  memory_size = var.memory_size
 
   environment = merge(
     {
diff --git a/infrastructure/terraform/lambda/engine/variables.tf b/infrastructure/terraform/lambda/engine/variables.tf
index 9805d409..0a74ad5b 100644
--- a/infrastructure/terraform/lambda/engine/variables.tf
+++ b/infrastructure/terraform/lambda/engine/variables.tf
@@ -23,6 +23,23 @@ variable "maximum_concurrency" {
   description = "Maximum number of concurrent Lambda invocations from SQS (2-1000). null = no limit."
 }
 
+variable "batch_size" {
+  type    = number
+  default = 1
+}
+
+variable "timeout" {
+  type        = number
+  default     = 900
+  description = "Lambda timeout in seconds"
+}
+
+variable "memory_size" {
+  type        = number
+  default     = 3008
+  description = "Lambda memory size in MB"
+}
+
 variable "db_host" {
   type      = string
   sensitive = true