diff --git a/.github/workflows/ci_backend.yml b/.github/workflows/ci_backend.yml
new file mode 100644
index 0000000..f976052
--- /dev/null
+++ b/.github/workflows/ci_backend.yml
@@ -0,0 +1,31 @@
+name: Backend CI (Go)
+
+on:
+  push:
+    branches: [ "main", "master" ]
+  pull_request:
+    branches: [ "main", "master" ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.23'
+        cache: true
+
+    - name: Install dependencies
+      run: go mod download
+
+    - name: Verify
+      run: go vet ./...
+
+    - name: Test
+      run: go test -v ./...
+
+    - name: Build
+      run: go build -v ./...