diff --git a/.github/workflows/integration-testing.yml b/.github/workflows/integration-testing.yml
index 2d74b733f..065133396 100644
--- a/.github/workflows/integration-testing.yml
+++ b/.github/workflows/integration-testing.yml
@@ -6,7 +6,27 @@ on:
   pull_request:
 
 jobs:
+  # This job and check-node-modules below dupliacte checks from `pr-checks.yml`.
+  # We run them here as well to gate the more expensive checks which wouldn't
+  # even be executing the correct code if these fail.
+  check-js:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Check generated JavaScript
+      run: .github/workflows/script/check-js.sh
+
+  check-node-modules:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Check node modules up to date
+      run: .github/workflows/script/check-node-modules.sh
+
   multi-language-repo_test-autodetect-languages:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     steps:
@@ -40,6 +60,7 @@ jobs:
         fi
 
   multi-language-repo_test-custom-queries-and-remote-config:
+    needs: [check-js, check-node-modules]
     strategy:
       fail-fast: false
       matrix:
@@ -69,6 +90,7 @@ jobs:
 
   # Currently is not possible to analyze Go in conjunction with other languages in macos
   multi-language-repo_test-go-custom-queries:
+    needs: [check-js, check-node-modules]
     strategy:
       fail-fast: false
       matrix:
@@ -99,6 +121,7 @@ jobs:
         TEST_MODE: true
 
   go-custom-tracing:
+    needs: [check-js, check-node-modules]
     strategy:
       fail-fast: false
       matrix:
@@ -130,6 +153,7 @@ jobs:
         TEST_MODE: true
 
   go-custom-tracing-autobuild:
+    needs: [check-js, check-node-modules]
     # No need to test Go autobuild on multiple OSes since
     # we're testing Go custom tracing with a manual build on all OSes.
     runs-on: ubuntu-latest
@@ -153,6 +177,7 @@ jobs:
         TEST_MODE: true
 
   multi-language-repo_rubocop:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     steps:
@@ -184,6 +209,7 @@ jobs:
         TEST_MODE: true
 
   test-proxy:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
     container:
       image: ubuntu:18.04
@@ -211,6 +237,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-javascript-ubuntu:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     steps:
@@ -237,6 +264,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-javascript-windows:
+    needs: [check-js, check-node-modules]
     runs-on: windows-latest
 
     steps:
@@ -259,6 +287,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-javascript-macos:
+    needs: [check-js, check-node-modules]
     runs-on: macos-latest
 
     steps:
@@ -281,6 +310,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-csharp-ubuntu:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     steps:
@@ -315,6 +345,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-csharp-windows:
+    needs: [check-js, check-node-modules]
     runs-on: windows-latest
 
     steps:
@@ -350,6 +381,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-csharp-macos:
+    needs: [check-js, check-node-modules]
     runs-on: macos-latest
 
     steps:
@@ -386,6 +418,7 @@ jobs:
 
 
   runner-analyze-csharp-autobuild-ubuntu:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     steps:
@@ -419,6 +452,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-csharp-autobuild-windows:
+    needs: [check-js, check-node-modules]
     runs-on: windows-latest
 
     steps:
@@ -453,6 +487,7 @@ jobs:
         TEST_MODE: true
 
   runner-analyze-csharp-autobuild-macos:
+    needs: [check-js, check-node-modules]
     runs-on: macos-latest
 
     steps:
@@ -487,6 +522,7 @@ jobs:
         TEST_MODE: true
 
   runner-upload-sarif:
+    needs: [check-js, check-node-modules]
     runs-on: ubuntu-latest
 
     if: ${{ github.event_name != 'pull_request' || github.event.pull_request.base.repo.id == github.event.pull_request.head.repo.id }}
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 6496737a7..ef1eed0ef 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -20,25 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Check generated JavaScript
-      run: |
-        # Sanity check that repo is clean to start with
-        if [ ! -z "$(git status --porcelain)" ]; then
-          # If we get a fail here then this workflow needs attention...
-          >&2 echo "Failed: Repo should be clean before testing!"
-          exit 1
-        fi
-        # Wipe the lib directory incase there are extra unnecessary files in there
-        rm -rf lib
-        # Generate the JavaScript files
-        npm run-script build
-        # Check that repo is still clean
-        if [ ! -z "$(git status --porcelain)" ]; then
-          # If we get a fail here then the PR needs attention
-          >&2 echo "Failed: JavaScript files are not up to date. Run 'npm run-script build' to update"
-          git status
-          exit 1
-        fi
-        echo "Success: JavaScript files are up to date"
+      run: .github/workflows/script/check-js.sh
 
   check-node-modules:
     runs-on: ubuntu-latest
@@ -46,27 +28,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Check node modules up to date
-      run: |
-        # Sanity check that repo is clean to start with
-        if [ ! -z "$(git status --porcelain)" ]; then
-          # If we get a fail here then this workflow needs attention...
-          >&2 echo "Failed: Repo should be clean before testing!"
-          exit 1
-        fi
-        # Reinstall modules and then clean to remove absolute paths
-        # Use 'npm ci' instead of 'npm install' as this is intended to be reproducible
-        npm ci
-        npm run removeNPMAbsolutePaths
-        # Check that repo is still clean
-        if [ ! -z "$(git status --porcelain)" ]; then
-          # If we get a fail here then the PR needs attention
-          >&2 echo "Failed: node_modules are not up to date. Run 'npm ci' and 'npm run removeNPMAbsolutePaths' to update"
-          git status
-          exit 1
-        fi
-        echo "Success: node_modules are up to date"
+      run: .github/workflows/script/check-node-modules.sh
 
   npm-test:
+    needs: [check-js, check-node-modules]
     strategy:
       matrix:
         os: [ubuntu-latest,macos-latest]
diff --git a/.github/workflows/script/check-js.sh b/.github/workflows/script/check-js.sh
new file mode 100755
index 000000000..9b7405099
--- /dev/null
+++ b/.github/workflows/script/check-js.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -eu
+
+# Sanity check that repo is clean to start with
+if [ ! -z "$(git status --porcelain)" ]; then
+    # If we get a fail here then this workflow needs attention...
+    >&2 echo "Failed: Repo should be clean before testing!"
+    exit 1
+fi
+# Wipe the lib directory incase there are extra unnecessary files in there
+rm -rf lib
+# Generate the JavaScript files
+npm run-script build
+# Check that repo is still clean
+if [ ! -z "$(git status --porcelain)" ]; then
+    # If we get a fail here then the PR needs attention
+    >&2 echo "Failed: JavaScript files are not up to date. Run 'npm run-script build' to update"
+    git status
+    exit 1
+fi
+echo "Success: JavaScript files are up to date"
\ No newline at end of file
diff --git a/.github/workflows/script/check-node-modules.sh b/.github/workflows/script/check-node-modules.sh
new file mode 100755
index 000000000..693c3534f
--- /dev/null
+++ b/.github/workflows/script/check-node-modules.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -eu
+
+# Sanity check that repo is clean to start with
+if [ ! -z "$(git status --porcelain)" ]; then
+    # If we get a fail here then this workflow needs attention...
+    >&2 echo "Failed: Repo should be clean before testing!"
+    exit 1
+fi
+# Reinstall modules and then clean to remove absolute paths
+# Use 'npm ci' instead of 'npm install' as this is intended to be reproducible
+npm ci
+npm run removeNPMAbsolutePaths
+# Check that repo is still clean
+if [ ! -z "$(git status --porcelain)" ]; then
+    # If we get a fail here then the PR needs attention
+    >&2 echo "Failed: node_modules are not up to date. Run 'npm ci' and 'npm run removeNPMAbsolutePaths' to update"
+    git status
+    exit 1
+fi
+echo "Success: node_modules are up to date"
\ No newline at end of file