diff --git a/.github/actions/yarn-install-and-verify/action.yml b/.github/actions/yarn-install-and-verify/action.yml
new file mode 100644
index 0000000000..5313f7bcc2
--- /dev/null
+++ b/.github/actions/yarn-install-and-verify/action.yml
@@ -0,0 +1,33 @@
+name: Yarn Install Build Test and Lint
+
+inputs:
+  cache_id:
+    description: ID to use in order to cache yarn install
+    required: true
+  working_dir:
+    description: Directory in which to perform the yarn tasks
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/cache@v2
+      with:
+        path: '**/node_modules'
+        key: ${{ inputs.cache_id }}-${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+
+    - name: Install modules
+      run: yarn install
+      working-directory: ${{ inputs.working_dir }}
+
+    - name: Build TypeScript 
+      run: yarn build
+      working-directory: ${{ inputs.working_dir }}
+
+    - name: Test TypeScript
+      run: yarn test
+      working-directory: ${{ inputs.working_dir }}
+
+    - name: Lint TypeScript 
+      run: yarn lint
+      working-directory: ${{ inputs.working_dir }}
diff --git a/.github/workflows/sdk-core.yml b/.github/workflows/sdk-core.yml
new file mode 100644
index 0000000000..c2c9b66bb8
--- /dev/null
+++ b/.github/workflows/sdk-core.yml
@@ -0,0 +1,18 @@
+name: SDK Core
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build-lint-and-test-core:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: ./.github/actions/yarn-install-and-verify
+        with: 
+          cache_id: sdk-core  
+          working_dir: ./core/js
diff --git a/.github/workflows/yarn-build-and-lint.yml b/.github/workflows/yarn-build-and-lint.yml
deleted file mode 100644
index 1bbf3d253a..0000000000
--- a/.github/workflows/yarn-build-and-lint.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: JS Build+Lint All
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-jobs:
-  build-and-lint-js:
-
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-
-      - uses: actions/cache@v2
-        with:
-          path: '**/node_modules'
-          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
-
-      - name: Install modules
-        run: yarn install
-
-      - name: build-typescript 
-        run: yarn build
-
-      - name: lint-typescript 
-        run: yarn lint