diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 39cb80c..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,121 +0,0 @@
-version: 2.1
-
-orbs:
-   win: circleci/windows@1.0.0
-
-workflows:
-  test:
-    jobs:
-      - build-linux
-      - test-linux:
-          name: Java 8 - Linux - OpenJDK
-          docker-image: cimg/openjdk:8.0
-          requires:
-            - build-linux
-      - test-linux:
-          name: Java 11 - Linux - OpenJDK
-          docker-image: cimg/openjdk:11.0
-          requires:
-            - build-linux
-      - test-linux:
-          name: Java 17 - Linux - OpenJDK
-          docker-image: cimg/openjdk:17.0
-          requires:
-            - build-linux
-      - test-linux:
-          name: Java 19 - Linux - OpenJDK
-          docker-image: cimg/openjdk:19.0
-          requires:
-            - build-linux
-      - build-test-windows:
-          name: Java 11 - Windows - OpenJDK
-          openjdk-version: 11.0.2.01
-      - build-test-windows:
-          name: Java 17 - Windows - OpenJDK
-          openjdk-version: 17.0.1
-
-jobs:
-  build-linux:
-    docker:
-      - image: cimg/openjdk:8.0
-    steps:
-      - checkout
-      - run: cp gradle.properties.example gradle.properties
-      - run: java -version
-      - run: ./gradlew dependencies
-      - run: ./gradlew jar
-      - run: ./gradlew javadoc
-      - run: ./gradlew checkstyleMain
-      - persist_to_workspace:
-          root: build
-          paths:
-            - classes
-
-  test-linux:
-    parameters:
-      docker-image:
-        type: string
-    docker:
-      - image: <<parameters.docker-image>>
-      - image: amazon/dynamodb-local
-    steps:
-      - checkout
-      - run: cp gradle.properties.example gradle.properties
-      - attach_workspace:
-          at: build
-      - run: java -version
-      - run: ./gradlew test
-      - run:
-          name: Save test results
-          command: |
-            mkdir -p ~/junit/;
-            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
-          when: always
-      - store_test_results:
-          path: ~/junit
-      - store_artifacts:
-          path: ~/junit
-
-  build-test-windows:
-    parameters:
-      openjdk-version:
-        type: string
-    executor:
-      name: win/vs2019
-      shell: powershell.exe
-    steps:
-      - checkout
-      - run:
-          name: uninstall previous openjdk
-          command: choco uninstall openjdk
-      - run:
-          name: install OpenJDK
-          command: choco install openjdk --version <<parameters.openjdk-version>>
-      - run: java -version
-      - run:
-          name: set up DynamoDB
-          command: |
-            $ProgressPreference = "SilentlyContinue"
-            iwr -outf dynamo.zip https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.zip
-            mkdir dynamo
-            Expand-Archive -Path dynamo.zip -DestinationPath dynamo
-      - run:
-          name: run DynamoDB
-          command: |
-            cd dynamo
-            javaw -D"java.library.path=./DynamoDBLocal_lib" -jar DynamoDBLocal.jar
-          background: true
-      - run:
-          name: build and test
-          command: |
-            cp gradle.properties.example gradle.properties
-            .\gradlew.bat --no-daemon test  # must use --no-daemon because CircleCI in Windows will hang if there's a daemon running
-      - run:
-          name: save test results
-          command: |
-            mkdir .\junit
-            cp build/test-results/test/*.xml junit
-      - store_test_results:
-          path: .\junit
-      - store_artifacts:
-          path: .\junit
diff --git a/.github/actions/ci/action.yml b/.github/actions/ci/action.yml
new file mode 100644
index 0000000..4e742c3
--- /dev/null
+++ b/.github/actions/ci/action.yml
@@ -0,0 +1,70 @@
+name: Shared CI Workflow
+
+inputs:
+  java_version:
+    description: 'The Java version to use.'
+    required: true
+  java_distribution:
+    description: 'The Java distribution to use.'
+    required: false
+    default: temurin
+  os_type:
+    description: 'The OS type to use.'
+    required: false
+    default: ubuntu
+    options:
+      - ubuntu
+      - windows
+
+runs:
+  using: composite
+  steps:
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: ${{ inputs.java_distribution }}
+        java-version: ${{ inputs.java_version }}
+
+    - name: Copy gradle.properties
+      shell: bash
+      run: |
+        cp gradle.properties.example gradle.properties
+
+    - name: Setup DynamoDB Service
+      if: inputs.os_type == 'ubuntu'
+      shell: bash
+      run: |
+        sudo docker run -d -p 8000:8000 amazon/dynamodb-local
+
+    - name: Setup DynamoDB Service
+      if: inputs.os_type == 'windows'
+      shell: pwsh
+      run: |
+        $ProgressPreference = "SilentlyContinue"
+        iwr -outf dynamo.zip https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.zip
+        mkdir dynamo
+        Expand-Archive -Path dynamo.zip -DestinationPath dynamo
+        cd dynamo
+        Start-Process -FilePath "java" -ArgumentList "-D`"java.library.path=./DynamoDBLocal_lib`"","-jar","DynamoDBLocal.jar"
+
+    - name: Restore Dependencies
+      shell: bash
+      run: ./gradlew dependencies
+
+    - name: Build Jar
+      shell: bash
+      id: buildjar
+      run: ./gradlew jar
+
+    - name: Build Documentation
+      shell: bash
+      run: ./gradlew javadoc
+
+    - name: Check Style
+      shell: bash
+      run: ./gradlew checkstyleMain
+
+    - name: Run Tests
+      if: steps.buildjar.outcome == 'success'
+      shell: bash
+      run: ./gradlew test
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
new file mode 100644
index 0000000..163ca90
--- /dev/null
+++ b/.github/workflows/build-test.yml
@@ -0,0 +1,42 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [main, feat/**]
+    paths-ignore:
+      - '**.md' #Do not need to run CI for markdown changes.
+  pull_request:
+    branches: [main, feat/**]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build-test-linux:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        javaversion: [8, 11, 17, 19]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Shared CI Steps
+        uses: ./.github/actions/ci
+        with:
+          os_type: ubuntu
+          java_version: ${{ matrix.javaversion }}
+
+  build-test-windows:
+    strategy:
+      matrix:
+        os: [windows-latest]
+        javaversion: [11, 17]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Shared CI Steps
+        uses: ./.github/actions/ci
+        with:
+          os_type: windows
+          java_version: ${{ matrix.javaversion }}