diff --git a/packages/backend/src/serializers/execution-step.js b/packages/backend/src/serializers/execution-step.js
new file mode 100644
index 00000000..52d7a409
--- /dev/null
+++ b/packages/backend/src/serializers/execution-step.js
@@ -0,0 +1,21 @@
+import stepSerializer from './step.js';
+
+const executionStepSerializer = (executionStep) => {
+  let executionStepData = {
+    id: executionStep.id,
+    dataIn: executionStep.dataIn,
+    dataOut: executionStep.dataOut,
+    errorDetails: executionStep.errorDetails,
+    status: executionStep.status,
+    createdAt: executionStep.createdAt.getTime(),
+    updatedAt: executionStep.updatedAt.getTime(),
+  };
+
+  if (executionStep.step) {
+    executionStepData.step = stepSerializer(executionStep.step);
+  }
+
+  return executionStepData;
+};
+
+export default executionStepSerializer;
diff --git a/packages/backend/src/serializers/execution-step.test.js b/packages/backend/src/serializers/execution-step.test.js
new file mode 100644
index 00000000..037ccbcd
--- /dev/null
+++ b/packages/backend/src/serializers/execution-step.test.js
@@ -0,0 +1,43 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import executionStepSerializer from './execution-step';
+import stepSerializer from './step';
+import { createExecutionStep } from '../../test/factories/execution-step';
+import { createStep } from '../../test/factories/step';
+
+describe('executionStepSerializer', () => {
+  let executionStep, step;
+
+  beforeEach(async () => {
+    step = await createStep();
+
+    executionStep = await createExecutionStep({
+      stepId: step.id,
+    });
+  });
+
+  it('should return the execution step data', async () => {
+    const expectedPayload = {
+      id: executionStep.id,
+      dataIn: executionStep.dataIn,
+      dataOut: executionStep.dataOut,
+      errorDetails: executionStep.errorDetails,
+      status: executionStep.status,
+      createdAt: executionStep.createdAt.getTime(),
+      updatedAt: executionStep.updatedAt.getTime(),
+    };
+
+    expect(executionStepSerializer(executionStep)).toEqual(expectedPayload);
+  });
+
+  it('should return the execution step data with the step', async () => {
+    executionStep.step = step;
+
+    const expectedPayload = {
+      step: stepSerializer(step),
+    };
+
+    expect(executionStepSerializer(executionStep)).toMatchObject(
+      expectedPayload
+    );
+  });
+});
diff --git a/packages/backend/src/serializers/index.js b/packages/backend/src/serializers/index.js
index 4e42b160..c35be112 100644
--- a/packages/backend/src/serializers/index.js
+++ b/packages/backend/src/serializers/index.js
@@ -10,6 +10,7 @@ import authSerializer from './auth.js';
 import triggerSerializer from './trigger.js';
 import actionSerializer from './action.js';
 import executionSerializer from './execution.js';
+import executionStepSerializer from './execution-step.js';
 
 const serializers = {
   User: userSerializer,
@@ -24,6 +25,7 @@ const serializers = {
   Trigger: triggerSerializer,
   Action: actionSerializer,
   Execution: executionSerializer,
+  ExecutionStep: executionStepSerializer,
 };
 
 export default serializers;