diff --git a/tests/fixtures/defxmlschema/chapter01.json b/tests/fixtures/defxmlschema/chapter01.json
index c473043c4..b1de8fdf3 100644
--- a/tests/fixtures/defxmlschema/chapter01.json
+++ b/tests/fixtures/defxmlschema/chapter01.json
@@ -1,5 +1,5 @@
 {
     "number": 557,
     "size": 10,
-    "eff_date": "2001-04-02"
+    "effDate": "2001-04-02"
 }
\ No newline at end of file
diff --git a/tests/fixtures/defxmlschema/chapter08.json b/tests/fixtures/defxmlschema/chapter08.json
index 6423acf10..94f1b61e7 100644
--- a/tests/fixtures/defxmlschema/chapter08.json
+++ b/tests/fixtures/defxmlschema/chapter08.json
@@ -1,17 +1,17 @@
 {
-    "dress_size": [
+    "dressSize": [
         "06"
     ],
-    "medium_dress_size": [
+    "mediumDressSize": [
         "12"
     ],
-    "small_dress_size": [
+    "smallDressSize": [
         "6"
     ],
-    "smlx_size": [
+    "smlxSize": [
         "extra large"
     ],
-    "xsmlx_size": [
+    "xsmlxSize": [
         "extra small"
     ]
 }
\ No newline at end of file
diff --git a/tests/fixtures/defxmlschema/chapter10.json b/tests/fixtures/defxmlschema/chapter10.json
index 3dfd5b669..81a7f06ac 100644
--- a/tests/fixtures/defxmlschema/chapter10.json
+++ b/tests/fixtures/defxmlschema/chapter10.json
@@ -3,23 +3,23 @@
         12,
         "medium"
     ],
-    "small_size": [
+    "smallSize": [
         "6",
         "small"
     ],
-    "international_size": [
+    "internationalSize": [
         12,
         24,
         "large"
     ],
-    "available_sizes": [
+    "availableSizes": [
         [
             10,
             "large",
             2
         ]
     ],
-    "applicable_sizes": [
+    "applicableSizes": [
         "small medium large"
     ]
 }
\ No newline at end of file
diff --git a/tests/fixtures/defxmlschema/chapter12.json b/tests/fixtures/defxmlschema/chapter12.json
index 2794cceb7..357f1313c 100644
--- a/tests/fixtures/defxmlschema/chapter12.json
+++ b/tests/fixtures/defxmlschema/chapter12.json
@@ -31,7 +31,7 @@
                     ]
                 }
             ],
-            "eff_date": "2002-04-02",
+            "effDate": "2002-04-02",
             "other_attributes": {}
         },
         {
@@ -44,7 +44,7 @@
                         "value": "red"
                     }
                 ],
-                "eff_date": "1900-01-01",
+                "effDate": "1900-01-01",
                 "other_attributes": {
                     "{http://example.org/oth}custom": "12"
                 }
diff --git a/tests/fixtures/defxmlschema/chapter13.json b/tests/fixtures/defxmlschema/chapter13.json
index 81b299dea..5ff8c5dc0 100644
--- a/tests/fixtures/defxmlschema/chapter13.json
+++ b/tests/fixtures/defxmlschema/chapter13.json
@@ -1,11 +1,11 @@
 {
     "hat": [
         {
-            "routing_num": 123456,
+            "routingNum": 123456,
             "number": 557,
             "name": "Ten-Gallon Hat",
             "description": "This is a great hat!",
-            "eff_date": "2002-04-02",
+            "effDate": "2002-04-02",
             "lang": "en-US"
         }
     ],
@@ -14,9 +14,9 @@
             "number": 557,
             "name": "Ten-Gallon Hat",
             "description": null,
-            "routing_num": 123,
+            "routingNum": 123,
             "lang": null,
-            "eff_date": "2002-04-02"
+            "effDate": "2002-04-02"
         }
     ],
     "shirt": [
@@ -24,9 +24,9 @@
             "number": 557,
             "name": "Short-Sleeved Linen Blouse",
             "description": null,
-            "routing_num": 124,
+            "routingNum": 124,
             "lang": null,
-            "eff_date": "2002-04-02",
+            "effDate": "2002-04-02",
             "size": [
                 {
                     "value": 6,
diff --git a/tests/fixtures/defxmlschema/chapter15.json b/tests/fixtures/defxmlschema/chapter15.json
index fdd23d1c5..ee7db0524 100644
--- a/tests/fixtures/defxmlschema/chapter15.json
+++ b/tests/fixtures/defxmlschema/chapter15.json
@@ -9,5 +9,5 @@
     },
     "id": "P557",
     "version": "100",
-    "eff_date": null
+    "effDate": null
 }
\ No newline at end of file
diff --git a/tests/fixtures/primer/order.json b/tests/fixtures/primer/order.json
index 5174a1d39..777bb2105 100644
--- a/tests/fixtures/primer/order.json
+++ b/tests/fixtures/primer/order.json
@@ -1,5 +1,5 @@
 {
-    "ship_to": {
+    "shipTo": {
         "name": "Alice Smith",
         "street": "123 Maple Street",
         "city": "Mill Valley",
@@ -7,7 +7,7 @@
         "zip": "90952",
         "country": "US"
     },
-    "bill_to": {
+    "billTo": {
         "name": "Robert Smith",
         "street": "8 Oak Avenue",
         "city": "Old Town",
@@ -19,22 +19,22 @@
     "items": {
         "item": [
             {
-                "product_name": "Lawnmower",
+                "productName": "Lawnmower",
                 "quantity": 1,
-                "usprice": "148.95",
+                "USPrice": "148.95",
                 "comment": "Confirm this is electric",
-                "ship_date": null,
-                "part_num": "872-AA"
+                "shipDate": null,
+                "partNum": "872-AA"
             },
             {
-                "product_name": "Baby Monitor",
+                "productName": "Baby Monitor",
                 "quantity": 1,
-                "usprice": "39.98",
+                "USPrice": "39.98",
                 "comment": null,
-                "ship_date": "1999-05-21",
-                "part_num": "926-AA"
+                "shipDate": "1999-05-21",
+                "partNum": "926-AA"
             }
         ]
     },
-    "order_date": "1999-10-20"
+    "orderDate": "1999-10-20"
 }
\ No newline at end of file
diff --git a/tests/formats/dataclass/test_client.py b/tests/formats/dataclass/test_client.py
index b670d3276..cbcb86ffb 100644
--- a/tests/formats/dataclass/test_client.py
+++ b/tests/formats/dataclass/test_client.py
@@ -48,7 +48,7 @@ def test_send_with_dict_params(self, mock_post):
         mock_post.return_value = response.encode()
 
         client = Client.from_service(CalculatorSoapAdd)
-        params = {"body": {"add": {"int_a": 3, "int_b": 4}}}
+        params = {"Body": {"Add": {"intA": 3, "intB": 4}}}
 
         result = client.send(params, headers={"User-Agent": "xsdata"})
 
diff --git a/tests/formats/dataclass/test_elements.py b/tests/formats/dataclass/test_elements.py
index dc2ddbcd6..a16ea3ee8 100644
--- a/tests/formats/dataclass/test_elements.py
+++ b/tests/formats/dataclass/test_elements.py
@@ -79,6 +79,10 @@ def test_init_with_xml_type(self):
 
         self.assertEqual("Unknown xml type `xsdata`", str(cm.exception))
 
+    def test_property_lname(self):
+        var = XmlVar(name="a", qname="{B}A")
+        self.assertEqual("A", var.lname)
+
     def test_property_clazz(self):
         var = XmlVar(name="foo", qname="foo")
         self.assertIsNone(var.clazz)
diff --git a/tests/integration/test_calculator.py b/tests/integration/test_calculator.py
index 256582035..a8ec88d61 100644
--- a/tests/integration/test_calculator.py
+++ b/tests/integration/test_calculator.py
@@ -43,7 +43,7 @@ def test_client(self, mock_most):
         config = Config.from_service(CalculatorSoapAdd)
         serializer = XmlSerializer(config=SerializerConfig(pretty_print=True))
         client = Client(config=config, serializer=serializer)
-        result = client.send({"body": {"add": {"int_a": 1, "int_b": 3}}})
+        result = client.send({"Body": {"Add": {"intA": 1, "intB": 3}}})
 
         self.assertIsInstance(result, CalculatorSoapAddOutput)
 
diff --git a/tests/integration/test_hello_rpc.py b/tests/integration/test_hello_rpc.py
index 131d809da..fd5f444d0 100644
--- a/tests/integration/test_hello_rpc.py
+++ b/tests/integration/test_hello_rpc.py
@@ -46,7 +46,7 @@ def test_client(self, mock_most):
         config = Config.from_service(HelloGetHelloAsString)
         serializer = XmlSerializer(config=SerializerConfig(pretty_print=True))
         client = Client(config=config, serializer=serializer)
-        result = client.send({"body": {"get_hello_as_string": {"arg0": "chris"}}})
+        result = client.send({"Body": {"getHelloAsString": {"arg0": "chris"}}})
 
         self.assertIsInstance(result, HelloGetHelloAsString.output)
 
@@ -70,7 +70,7 @@ def test_client_with_soap_fault(self, mock_most):
         config = Config.from_service(HelloGetHelloAsString)
         serializer = XmlSerializer(config=SerializerConfig(pretty_print=True))
         client = Client(config=config, serializer=serializer)
-        result = client.send({"body": {"get_hello_as_string": {"arg0": "chris"}}})
+        result = client.send({"Body": {"getHelloAsString": {"arg0": "chris"}}})
 
         self.assertIsInstance(result, HelloGetHelloAsString.output)
 
@@ -90,5 +90,5 @@ def test_live(self):
         config = Config.from_service(HelloGetHelloAsString)
         serializer = XmlSerializer(config=SerializerConfig(pretty_print=True))
         client = Client(config=config, serializer=serializer)
-        result = client.send({"body": {"get_hello_as_string": {"arg0": "chris"}}})
+        result = client.send({"Body": {"getHelloAsString": {"arg0": "chris"}}})
         print(result)
diff --git a/xsdata/formats/dataclass/models/elements.py b/xsdata/formats/dataclass/models/elements.py
index 1b08c8003..c0b233c97 100644
--- a/xsdata/formats/dataclass/models/elements.py
+++ b/xsdata/formats/dataclass/models/elements.py
@@ -90,6 +90,12 @@ def __post_init__(self, xml_type: Optional[str]):
         elif xml_type:
             raise XmlContextError(f"Unknown xml type `{xml_type}`")
 
+    @property
+    def lname(self) -> str:
+        """Local name."""
+        _, name = split_qname(self.qname)
+        return name
+
     @property
     def clazz(self) -> Optional[Type]:
         """Return the first type if field is bound to a dataclass."""
diff --git a/xsdata/formats/dataclass/parsers/json.py b/xsdata/formats/dataclass/parsers/json.py
index e71b79abc..084f22beb 100644
--- a/xsdata/formats/dataclass/parsers/json.py
+++ b/xsdata/formats/dataclass/parsers/json.py
@@ -4,7 +4,6 @@
 import warnings
 from dataclasses import dataclass
 from dataclasses import field
-from dataclasses import fields
 from dataclasses import is_dataclass
 from typing import Any
 from typing import Dict
@@ -79,7 +78,7 @@ def bind_dataclass(self, data: Dict, clazz: Type[T]) -> T:
         """Recursively build the given model from the input dict data."""
         params = {}
         for var in self.context.build(clazz).vars:
-            value = data.get(var.name)
+            value = data.get(var.lname)
 
             if value is None or not var.init:
                 continue
@@ -181,7 +180,8 @@ def bind_choice_dataclass(self, value: Dict, var: XmlVar) -> Any:
         keys = set(value.keys())
         for choice in var.choices:
             if choice.clazz:
-                attrs = {f.name for f in fields(choice.clazz)}
+                meta = self.context.build(choice.clazz)
+                attrs = {var.lname for var in meta.vars}
                 if attrs == keys:
                     return self.bind_value(choice, value)
 
diff --git a/xsdata/formats/dataclass/serializers/json.py b/xsdata/formats/dataclass/serializers/json.py
index 9a4d407ae..2ab14b149 100644
--- a/xsdata/formats/dataclass/serializers/json.py
+++ b/xsdata/formats/dataclass/serializers/json.py
@@ -64,7 +64,7 @@ def convert(self, obj: Any, var: Optional[XmlVar] = None) -> Any:
         if var is None or is_dataclass(obj):
             return self.dict_factory(
                 [
-                    (var.name, self.convert(getattr(obj, var.name), var))
+                    (var.lname, self.convert(getattr(obj, var.name), var))
                     for var in self.context.build(obj.__class__).vars
                 ]
             )