diff --git a/.github/actions/nix/action.yml b/.github/actions/nix/action.yml
deleted file mode 100644
index 9f008ad0f9d..00000000000
--- a/.github/actions/nix/action.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: Setup Nix
-description: Installs and setups Nix components
-
-inputs:
-  github-token:  
-    description: 'Github Access Token'
-    required: true
-  nix-cache-name:  
-    description: 'Name of the Cachix cache to use'
-    required: true
-  cachix-auth-token:  
-    description: 'Cachix Auth Token'
-    required: true
-
-
-runs:
-  using: composite
-  steps:
-    - uses: cachix/install-nix-action@v22
-      with:
-        nix_path: nixpkgs=channel:nixos-23.05
-        github_access_token: ${{ inputs.github-token }}
-
-    - uses: cachix/cachix-action@v12
-      with:
-        name: ${{ inputs.nix-cache-name }}
-        authToken: ${{ inputs.cachix-auth-token }}
diff --git a/.github/workflows/publish-es-packages.yml b/.github/workflows/publish-es-packages.yml
index 17e50f97021..231a6124785 100644
--- a/.github/workflows/publish-es-packages.yml
+++ b/.github/workflows/publish-es-packages.yml
@@ -18,28 +18,29 @@ jobs:
   build-noirc_abi_wasm:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
+      - name: Checkout Noir repo
         uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.noir-ref }}
 
-      - name: Setup Nix
-        uses: ./.github/actions/nix
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@1.71.1
+
+      - uses: Swatinem/rust-cache@v2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          nix-cache-name: "noir"
-          cachix-auth-token: ${{ secrets.CACHIXAUTHTOKEN }}
+          key: noirc-abi
+          save-if: false
 
-      - name: Build wasm package
-        run: |
-          nix build -L .#noirc_abi_wasm
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
+
+      - name: Build noirc_abi
+        run: ./.github/scripts/noirc-abi-build.sh
 
-      - uses: actions/upload-artifact@v4
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
         with:
           name: noirc_abi_wasm
-          path: |
-            result/noirc_abi_wasm/nodejs
-            result/noirc_abi_wasm/web
+          path: ./tooling/noirc_abi_wasm/outputs/out/noirc_abi_wasm
+          retention-days: 10
 
   build-noir_wasm:
     runs-on: ubuntu-latest
@@ -64,7 +65,7 @@ jobs:
         run: yarn workspace @noir-lang/types build
 
       - name: Build noir_wasm
-        run: yarn workspace @noir-lang/noir_wasm build
+        run: ./.github/scripts/noir-wasm-build.sh
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
@@ -80,26 +81,27 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.noir-ref }}
 
-      - name: Setup Nix
-        uses: ./.github/actions/nix
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@1.71.1
+
+      - uses: Swatinem/rust-cache@v2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          nix-cache-name: "noir"
-          cachix-auth-token: ${{ secrets.CACHIXAUTHTOKEN }}
+          key: acvm-js
+          save-if: false
 
-      - name: Build wasm package
-        run: |
-          nix build -L .#acvm_js
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
+
+      - name: Build acvm_js
+        run: ./.github/scripts/acvm_js-build.sh
 
-      - uses: actions/upload-artifact@v4
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
         with:
-          name: acvm_js
-          path: |
-            result/acvm_js/nodejs
-            result/acvm_js/web
+          name: acvm-js
+          path: ./acvm-repo/acvm_js/outputs/out/acvm_js
+          retention-days: 3
           
   publish-es-packages:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test-js-packages.yml b/.github/workflows/test-js-packages.yml
index a007192f6c7..15ed303450f 100644
--- a/.github/workflows/test-js-packages.yml
+++ b/.github/workflows/test-js-packages.yml
@@ -46,12 +46,12 @@ jobs:
           path: ./dist/*
           retention-days: 3
 
-  build-noir-wasm:
+  build-noirc-abi:
     runs-on: ubuntu-latest
     timeout-minutes: 30
 
     steps:
-      - name: Checkout sources
+      - name: Checkout Noir repo
         uses: actions/checkout@v4
 
       - name: Setup toolchain
@@ -59,29 +59,25 @@ jobs:
 
       - uses: Swatinem/rust-cache@v2
         with:
-          key: noir-wasm
+          key: noirc-abi
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
       - name: Install Yarn dependencies
         uses: ./.github/actions/setup
 
-      - name: Build noir_js_types
-        run: yarn workspace @noir-lang/types build
-
-      - name: Build noir_wasm
-        run: yarn workspace @noir-lang/noir_wasm build
+      - name: Build noirc_abi
+        run: ./.github/scripts/noirc-abi-build.sh
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: noir_wasm
-          path: |
-            ./compiler/wasm/dist
-            ./compiler/wasm/build
-          retention-days: 3
+          name: noirc_abi_wasm
+          path: ./tooling/noirc_abi_wasm/outputs/out/noirc_abi_wasm
+          retention-days: 10
 
-  build-acvm-js:
+
+  build-noir-wasm:
     runs-on: ubuntu-latest
     timeout-minutes: 30
 
@@ -89,28 +85,34 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
 
-      - name: Setup Nix
-        uses: ./.github/actions/nix
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@1.71.1
+
+      - uses: Swatinem/rust-cache@v2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          nix-cache-name: "noir"
-          cachix-auth-token: ${{ secrets.CACHIXAUTHTOKEN }}
+          key: noir-wasm
+          cache-on-failure: true
+          save-if: ${{ github.event_name != 'merge_group' }}
 
-      - name: Build acvm-js
-        run: |
-          nix build -L .#acvm_js
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
 
-      - name: Dereference symlink
-        run: echo "UPLOAD_PATH=$(readlink -f result/acvm_js)" >> $GITHUB_ENV
+      - name: Build noir_js_types
+        run: yarn workspace @noir-lang/types build
+
+      - name: Build noir_wasm
+        run: ./.github/scripts/noir-wasm-build.sh
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: acvm-js
-          path: ${{ env.UPLOAD_PATH }}
+          name: noir_wasm
+          path: |
+            ./compiler/wasm/dist
+            ./compiler/wasm/build
           retention-days: 3
 
-  build-noirc-abi:
+  build-acvm-js:
     runs-on: ubuntu-latest
     timeout-minutes: 30
 
@@ -118,26 +120,27 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
 
-      - name: Setup Nix
-        uses: ./.github/actions/nix
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@1.71.1
+
+      - uses: Swatinem/rust-cache@v2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          nix-cache-name: "noir"
-          cachix-auth-token: ${{ secrets.CACHIXAUTHTOKEN }}
+          key: acvm-js
+          cache-on-failure: true
+          save-if: ${{ github.event_name != 'merge_group' }}
 
-      - name: Build noirc_abi_wasm
-        run: |
-          nix build -L .#noirc_abi_wasm
+      - name: Install Yarn dependencies
+        uses: ./.github/actions/setup
 
-      - name: Dereference symlink
-        run: echo "UPLOAD_PATH=$(readlink -f ./result/noirc_abi_wasm)" >> $GITHUB_ENV
+      - name: Build acvm_js
+        run: ./.github/scripts/acvm_js-build.sh
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: noirc_abi_wasm
-          path: ${{ env.UPLOAD_PATH }}
-          retention-days: 10
+          name: acvm-js
+          path: ./acvm-repo/acvm_js/outputs/out/acvm_js
+          retention-days: 3
 
   test-acvm_js-node:
     needs: [build-acvm-js]