diff --git a/.gitignore b/.gitignore
index 0f17803082..255a7b955e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 build/
+build-*/
 build_out_of_tree/
 build_package/
 install/
diff --git a/tools/ci/build-test-32-64-bit-mix-mode.sh b/tools/ci/build-test-32-64-bit-mix-mode.sh
new file mode 100755
index 0000000000..8149aa5087
--- /dev/null
+++ b/tools/ci/build-test-32-64-bit-mix-mode.sh
@@ -0,0 +1,149 @@
+#!/bin/bash
+# Copyright (c) 2024 by ekxide IO GmbH. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# This script builds iceoryx_hoofs und iceoryx_posh and executes all tests
+
+set -e
+
+COLOR_OFF='\033[0m'
+COLOR_RED='\033[1;31m'
+COLOR_GREEN='\033[1;32m'
+COLOR_YELLOW='\033[1;33m'
+COLOR_BLUE='\033[1;34m'
+
+WORKSPACE=$(git rev-parse --show-toplevel)
+cd ${WORKSPACE}
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Building 32 bit binaries${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+tools/iceoryx_build_test.sh build-strict build-all examples experimental-32-64-bit-mix-mode 32-bit-x86 --build-dir build-32
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Building 64 bit binaries${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+tools/iceoryx_build_test.sh build-strict build-all examples experimental-32-64-bit-mix-mode --build-dir build-64
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 32 bit posh tests${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+build-32/posh/test/posh_moduletests
+build-32/posh/test/posh_integrationtests
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 64 bit posh tests${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+build-64/posh/test/posh_moduletests
+build-64/posh/test/posh_integrationtests
+
+ROUDI_APP=iox-roudi
+ROUDI_CMD_32_BIT=build-32/${ROUDI_APP}
+ROUDI_CMD_64_BIT=build-64/${ROUDI_APP}
+ROUDI_LOG=/tmp/iceoryx-32-64-bit-test-roudi-log
+
+PUBLISHER_APP=iox-cpp-publisher-with-options
+PUBLISHER_CMD_32_BIT=build-32/iceoryx_examples/iceoptions/${PUBLISHER_APP}
+PUBLISHER_CMD_64_BIT=build-64/iceoryx_examples/iceoptions/${PUBLISHER_APP}
+PUBLISHER_LOG=/tmp/iceoryx-32-64-bit-test-publisher-log
+
+SUBSCRIBER_APP=iox-cpp-subscriber-with-options
+SUBSCRIBER_CMD_32_BIT=build-32/iceoryx_examples/iceoptions/${SUBSCRIBER_APP}
+SUBSCRIBER_CMD_64_BIT=build-64/iceoryx_examples/iceoptions/${SUBSCRIBER_APP}
+SUBSCRIBER_LOG=/tmp/iceoryx-32-64-bit-test-subscriber-log
+
+function print_log()
+{
+    echo -e "${COLOR_BLUE}### ${ROUDI_APP} log${COLOR_OFF}"
+    cat ${ROUDI_LOG}
+    echo -e "${COLOR_BLUE}### log end"
+
+    echo -e "${COLOR_BLUE}### ${PUBLISHER_APP} log${COLOR_OFF}"
+    cat ${PUBLISHER_LOG}
+    echo -e "${COLOR_BLUE}### log end"
+
+    echo -e "${COLOR_BLUE}### ${SUBSCRIBER_APP} log${COLOR_OFF}"
+    cat ${SUBSCRIBER_LOG}
+    echo -e "${COLOR_BLUE}### log end"
+}
+
+function run_test()
+{
+    TEST_TIME_IN_SECONDS=10
+
+    ROUDI_CMD=$1
+    PUBLISHER_CMD=$2
+    SUBSCRIBER_CMD=$3
+
+    ${ROUDI_CMD} > ${ROUDI_LOG} &
+    ROUDI_PID=$!
+
+    ${PUBLISHER_CMD} > ${PUBLISHER_LOG} &
+    PUBLISHER_PID=$!
+
+    ${SUBSCRIBER_CMD} > ${SUBSCRIBER_LOG} &
+    SUBSCRIBER_PID=$!
+
+    echo -e "${COLOR_YELLOW}Running applications for ${TEST_TIME_IN_SECONDS} seconds ... ${COLOR_OFF}"
+    sleep ${TEST_TIME_IN_SECONDS}
+
+    kill ${SUBSCRIBER_PID}
+    kill ${PUBLISHER_PID}
+    kill ${ROUDI_PID}
+    wait ${ROUDI_PID}
+
+    echo -e "${COLOR_BLUE}## Check publisher result${COLOR_OFF}"
+    EXPECTED_PUBLISHER_OUTPUT="sent value: 3"
+    if cat ${PUBLISHER_LOG} | grep --fixed-string --quiet "${EXPECTED_PUBLISHER_OUTPUT}"; then
+        echo -e "${COLOR_GREEN}Found '${EXPECTED_PUBLISHER_OUTPUT}' in publisher log!${COLOR_OFF}"
+    else
+        print_log
+
+        echo -e "${COLOR_RED}Error! Could not find '${EXPECTED_PUBLISHER_OUTPUT}' in publisher log!${COLOR_OFF}"
+        exit 1
+    fi
+
+    echo -e "${COLOR_BLUE}## Check subscriber result${COLOR_OFF}"
+    EXPECTED_SUBSCRIBER_OUTPUT="got value: 3"
+    if cat ${SUBSCRIBER_LOG} | grep --fixed-string --quiet "${EXPECTED_SUBSCRIBER_OUTPUT}"; then
+        echo -e "${COLOR_GREEN}Found '${EXPECTED_SUBSCRIBER_OUTPUT}' in subscriber log!${COLOR_OFF}"
+    else
+        print_log
+
+        echo -e "${COLOR_RED}Error! Could not find '${EXPECTED_SUBSCRIBER_OUTPUT}' in subscriber log!${COLOR_OFF}"
+        exit 1
+    fi
+}
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 32 bit iox-roudi with 32 bit publisher example and 64 bit subscriber example${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+run_test ${ROUDI_CMD_32_BIT} ${PUBLISHER_CMD_32_BIT} ${SUBSCRIBER_CMD_64_BIT}
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 32 bit iox-roudi with 64 bit publisher example and 32 bit subscriber example${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+run_test ${ROUDI_CMD_32_BIT} ${PUBLISHER_CMD_64_BIT} ${SUBSCRIBER_CMD_32_BIT}
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 64 bit iox-roudi with 32 bit publisher example and 64 bit subscriber example${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+run_test ${ROUDI_CMD_64_BIT} ${PUBLISHER_CMD_32_BIT} ${SUBSCRIBER_CMD_64_BIT}
+
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+echo -e "${COLOR_BLUE}# Running 64 bit iox-roudi with 64 bit publisher example and 32 bit subscriber example${COLOR_OFF}"
+echo -e "${COLOR_BLUE}#${COLOR_OFF}"
+run_test ${ROUDI_CMD_64_BIT} ${PUBLISHER_CMD_64_BIT} ${SUBSCRIBER_CMD_32_BIT}