diff --git a/src/components/TCForm/utils.js b/src/components/TCForm/utils.js
index bdb33703..64a4970c 100644
--- a/src/components/TCForm/utils.js
+++ b/src/components/TCForm/utils.js
@@ -1,7 +1,7 @@
 /**
  * TC Form utilty
  */
-import _ from "lodash";
+import _, { filter } from "lodash";
 import { getSelectOptionByValue } from "utils/helpers";
 import { FORM_FIELD_TYPE } from "../../constants";
 
@@ -91,25 +91,43 @@ export const getValidator = (fields) => {
   };
 };
 
+/**
+ * Prepare form field value to be submitted to API
+ *
+ * @param {Object} field form field
+ * @param {Any} value form field value
+ * @returns prepared value for the field
+ */
+const prepareSubmitField = (field, value) => {
+  switch (field.type) {
+    case FORM_FIELD_TYPE.SELECT:
+      return field.isMulti
+        ? value?.map((option) => option.value)
+        : value?.value
+
+    default:
+      // we have to send `null` to API to clear the value instead of `undefined`
+      if (_.isUndefined(value)) {
+        return null
+      }
+
+      return value
+  }
+}
+
 /**
  * Prepare form submit data
  * @param {any} values form value
  * @param {Array} fields form fields
- * @param {any} originalData original form data
  * @returns {any} converted submitted data
  */
-export const prepareSubmitData = (values, fields, originalData) => {
-  const data = fields.reduce((obj, item) => {
+export const prepareSubmitData = (values, fields) => {
+  const data = fields.reduce((obj, field) => {
     return {
       ...obj,
-      [item.name]:
-        item.type === FORM_FIELD_TYPE.SELECT
-          ? item.isMulti
-            ? values[item.name]?.map((x) => x.value)
-            : values[item.name]?.value
-          : values[item.name],
+      [field.name]: prepareSubmitField(field, values[field.name])
     };
   }, {});
 
-  return Object.assign(originalData, data);
+  return data;
 };
diff --git a/src/routes/JobForm/index.jsx b/src/routes/JobForm/index.jsx
index 8f34d31f..724f98ca 100644
--- a/src/routes/JobForm/index.jsx
+++ b/src/routes/JobForm/index.jsx
@@ -33,9 +33,8 @@ const JobForm = ({ teamId, jobId }) => {
   const title = isEdit ? "Edit Job Details" : "Create Job";
 
   const onSubmit = async (values) => {
-    const data = getRequestData(values);
     if (isEdit) {
-      await updateJob(data, jobId).then(
+      await updateJob(values, jobId).then(
         () => {
           toastr.success("Job updated successfully.");
           setSubmitting(false);
@@ -47,7 +46,11 @@ const JobForm = ({ teamId, jobId }) => {
         }
       );
     } else {
-      await createJob(data).then(
+      const createValues = {
+        ...values,
+        projectId: teamId,
+      }
+      await createJob(createValues).then(
         () => {
           toastr.success("Job created successfully.");
           setSubmitting(false);
@@ -61,25 +64,6 @@ const JobForm = ({ teamId, jobId }) => {
     }
   };
 
-  // as we are using `PUT` method (not `PATCH`) we have send ALL the fields
-  // fields which we don't send would become `null` otherwise
-  const getRequestData = (values) => {
-    return _.pick(values, [
-      "projectId",
-      "externalId",
-      "description",
-      "title",
-      "startDate",
-      "duration",
-      "numPositions",
-      "resourceType",
-      "rateType",
-      "workload",
-      "skills",
-      "status",
-    ]);
-  };
-
   useEffect(() => {
     if (skills && job && !options) {
       const skillOptions = skills.map((item) => {
diff --git a/src/routes/ResourceBookingForm/index.jsx b/src/routes/ResourceBookingForm/index.jsx
index f351e0bb..10d2c994 100644
--- a/src/routes/ResourceBookingForm/index.jsx
+++ b/src/routes/ResourceBookingForm/index.jsx
@@ -65,20 +65,9 @@ const ResourceBookingDetails = ({ teamId, resourceBookingId }) => {
     );
   };
 
-  // as we are using `PUT` method (not `PATCH`) we have send ALL the fields
-  // fields which we don't send would become `null` otherwise
   const getRequestData = (values) => {
-    const data = _.pick(values, [
-      "projectId",
-      "userId",
-      "jobId",
-      "status",
-      "startDate",
-      "endDate",
-      "memberRate",
-      "customerRate",
-      "rateType",
-    ]);
+    // omit read-only fields
+    const data = _.omit(values, ['handle', 'jobTitle'])
 
     // convert dates to the API format before sending
     if (data.startDate) {
diff --git a/src/services/jobs.js b/src/services/jobs.js
index 4cd66450..bffca01f 100644
--- a/src/services/jobs.js
+++ b/src/services/jobs.js
@@ -62,7 +62,7 @@ export const createJob = (data) => {
 export const updateJob = (data, jobId) => {
   return (
     axios
-      .put(`${config.API.V5}/jobs/${jobId}`, data)
+      .patch(`${config.API.V5}/jobs/${jobId}`, data)
       // temporary fix:
       // after updating a job we are reloading the list of jobs
       // so we have to wait a bit to make sure job is indexed in the ES
diff --git a/src/services/resourceBookings.js b/src/services/resourceBookings.js
index a6f1f361..7f2f722d 100644
--- a/src/services/resourceBookings.js
+++ b/src/services/resourceBookings.js
@@ -25,7 +25,8 @@ export const getReourceBookingById = (resourceBookingId) => {
 export const updateReourceBooking = (data, resourceBookingId) => {
   return (
     axios
-      .put(`${config.API.V5}/resourceBookings/${resourceBookingId}`, data) // temporary fix:
+      .patch(`${config.API.V5}/resourceBookings/${resourceBookingId}`, data)
+      // temporary fix:
       // after updating a resource booking we are reloading the list of resource bookings
       // so we have to wait a bit to make sure job is indexed in the ES
       .then((response) => delay(ES_REINDEX_DELAY).then(() => response))