diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 119a350c0..b7eb7c92b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,9 +14,24 @@ on:
       - 'translations**'
 
 jobs:
+  pre-commit:
+    name: Linting Checks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install tools
+        uses: actions/setup-python@v3
+
+      - name: Check files
+        uses: pre-commit/action@v3.0.0
+
   documentation:
     name: "Build Documentation"
     runs-on: ubuntu-20.04
+    needs:
+      - pre-commit
     steps:
       -
         name: Checkout
@@ -47,11 +62,85 @@ jobs:
           name: documentation
           path: docs/_build/html/
 
-  ci-backend:
-    uses: ./.github/workflows/reusable-ci-backend.yml
+  tests-backend:
+    name: "Tests (${{ matrix.python-version }})"
+    runs-on: ubuntu-20.04
+    needs:
+      - pre-commit
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9', '3.10']
+      fail-fast: false
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+      -
+        name: Install pipenv
+        run: pipx install pipenv
+      -
+        name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "${{ matrix.python-version }}"
+          cache: "pipenv"
+          cache-dependency-path: 'Pipfile.lock'
+      -
+        name: Install system dependencies
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -qq --no-install-recommends unpaper tesseract-ocr imagemagick ghostscript libzbar0 poppler-utils
+      -
+        name: Install Python dependencies
+        run: |
+          pipenv sync --dev
+      -
+        name: Tests
+        run: |
+          cd src/
+          pipenv run pytest
+      -
+        name: Get changed files
+        id: changed-files-specific
+        uses: tj-actions/changed-files@v24
+        with:
+          files: |
+            src/**
+      -
+        name: List all changed files
+        run: |
+          for file in ${{ steps.changed-files-specific.outputs.all_changed_files }}; do
+            echo "${file} was changed"
+          done
+      -
+        name: Publish coverage results
+        if: matrix.python-version == '3.9' && steps.changed-files-specific.outputs.any_changed == 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        # https://github.com/coveralls-clients/coveralls-python/issues/251
+        run: |
+          cd src/
+          pipenv run coveralls --service=github
 
-  ci-frontend:
-    uses: ./.github/workflows/reusable-ci-frontend.yml
+  tests-frontend:
+    name: "Tests"
+    runs-on: ubuntu-20.04
+    needs:
+      - pre-commit
+    strategy:
+      matrix:
+        node-version: [16.x]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: cd src-ui && npm ci
+      - run: cd src-ui && npm run test
+      - run: cd src-ui && npm run e2e:ci
 
   prepare-docker-build:
     name: Prepare Docker Pipeline Data
@@ -65,8 +154,8 @@ jobs:
       cancel-in-progress: false
     needs:
       - documentation
-      - ci-backend
-      - ci-frontend
+      - tests-backend
+      - tests-frontend
     steps:
       -
         name: Set ghcr repository name