diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index bc3df26818c..9ed44bbb890 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -111,6 +111,59 @@ jobs:
       - name: Run the test binary with wazero CLI
         run: wazero run -mount=:/ ./zigbin/test.wasm
 
+  zig-opt:
+    needs: build_zig_test_binary
+    name: Zig / Optimizing Compiler
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false # don't fail fast as sometimes failures are arch/OS specific
+      matrix:
+        arch:
+          - "arm64"
+
+    steps:
+      - name: Checkout wazero
+        uses: actions/checkout@v3
+
+      - uses: actions/cache@v3
+        id: binary-cache
+        with:
+          # Use share the cache containing archives across OSes.
+          enableCrossOsArchive: true
+          # We need this cache to run tests.
+          fail-on-cache-miss: true
+          key: zig-stdlib-test-binary-${{ env.ZIG_VERSION }}
+          path:
+            ./zigbin/
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Build wazero
+        run: go build -o ./wazerocli ./cmd/wazero
+        env:
+          GOARCH: ${{ matrix.arch }}
+
+      - name: Set up QEMU
+        if: ${{ matrix.arch != 'amd64' }}
+        uses: docker/setup-qemu-action@v2
+        with: # Avoid docker.io rate-limits; built with internal-images.yml
+          image: ghcr.io/tetratelabs/wazero/internal-binfmt
+          platforms: ${{ matrix.arch }}
+
+      - name: Build scratch container
+        run: |
+          echo 'FROM scratch' >> Dockerfile
+          echo 'CMD ["/test"]' >> Dockerfile
+          docker buildx build -t wazero:test --platform linux/${{ matrix.arch }} .
+
+      - name: Run built test binaries
+        # This runs all tests compiled above in sequence. Note: This mounts /tmp to allow t.TempDir() in tests.
+        run: |
+          docker run --platform linux/${{ matrix.arch }} -v $(pwd)/zigbin:/test -v $(pwd)/wazerocli:/wazero -e WAZEROCLI=/wazero --tmpfs /tmp --rm -t wazero:test \
+            /wazero run -optimizing-compiler -mount=:/ ./test/test.wasm
+
   build_tinygo_test_binary:
     name: Build TinyGo test binary
     runs-on: ubuntu-22.04
@@ -235,6 +288,63 @@ jobs:
             wazero run -mount=:/ -mount=:/tmp $bin -- -test.v
           done
 
+  tinygo-opt:
+    needs: build_tinygo_test_binary
+    name: TinyGo / Optimizing Compiler
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false # don't fail fast as sometimes failures are arch/OS specific
+      matrix:
+        arch:
+          - "arm64"
+
+    steps:
+      - name: Checkout wazero
+        uses: actions/checkout@v3
+
+      - uses: actions/cache@v3
+        id: binary-cache
+        with:
+          # Use share the cache containing archives across OSes.
+          enableCrossOsArchive: true
+          # We need this cache to run tests.
+          fail-on-cache-miss: true
+          key: tinygo-test-binaries-${{ env.TINYGO_VERSION }}
+          path:
+            ./tinygobin/
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Build wazero
+        run: go build -o ./wazerocli ./cmd/wazero
+        env:
+          GOARCH: ${{ matrix.arch }}
+
+      - name: Set up QEMU
+        if: ${{ matrix.arch != 'amd64' }}
+        uses: docker/setup-qemu-action@v2
+        with: # Avoid docker.io rate-limits; built with internal-images.yml
+          image: ghcr.io/tetratelabs/wazero/internal-binfmt
+          platforms: ${{ matrix.arch }}
+
+      - name: Build scratch container
+        run: |
+          echo 'FROM scratch' >> Dockerfile
+          echo 'CMD ["/test"]' >> Dockerfile
+          docker buildx build -t wazero:test --platform linux/${{ matrix.arch }} .
+
+      - name: Run built test binaries
+        # This runs all tests compiled above in sequence. Note: This mounts /tmp to allow t.TempDir() in tests.
+        run: |
+          cd ./tinygobin
+          for bin in *.test; do
+            echo $bin
+            docker run --platform linux/${{ matrix.arch }} -v $(pwd)/zigbin:/test -v $(pwd)/wazerocli:/wazero -e WAZEROCLI=/wazero --tmpfs /tmp --rm -t wazero:test \
+              /wazero run -optimizing-compiler -mount=:/  $bin -- -test.v
+          done
+
   wasi-testsuite:
     name: wasi-testsuite
     runs-on: ${{ matrix.os }}