diff --git a/backend/queue/.gitignore b/backend/queue/.gitignore
new file mode 100644
index 0000000..14ee500
--- /dev/null
+++ b/backend/queue/.gitignore
@@ -0,0 +1,2 @@
+target/
+.env
diff --git a/backend/queue/Cargo.lock b/backend/queue/Cargo.lock
new file mode 100644
index 0000000..1f4f16d
--- /dev/null
+++ b/backend/queue/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "queue"
+version = "0.1.0"
diff --git a/backend/queue/Cargo.toml b/backend/queue/Cargo.toml
new file mode 100644
index 0000000..6333bbb
--- /dev/null
+++ b/backend/queue/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "queue"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/backend/queue/src/lib.rs b/backend/queue/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/backend/queue/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}