diff --git a/src/main/java/org/gcube/portal/social/networking/model/providers/CustomObjectMapper.java b/src/main/java/org/gcube/portal/social/networking/model/providers/CustomObjectMapper.java
new file mode 100644
index 0000000..61a760b
--- /dev/null
+++ b/src/main/java/org/gcube/portal/social/networking/model/providers/CustomObjectMapper.java
@@ -0,0 +1,36 @@
+package org.gcube.portal.social.networking.model.providers;
+
+import javax.ws.rs.ext.ContextResolver;
+import javax.ws.rs.ext.Provider;
+
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.SerializationFeature;
+
+/**
+ * Custom mapper with property CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES to perform serialization/deserialization
+ *  with snake case over camel case for json beans.
+ * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
+ */
+@Provider
+public class CustomObjectMapper implements ContextResolver<ObjectMapper> {
+
+	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(CustomObjectMapper.class);
+	private final ObjectMapper mapper;
+
+	public CustomObjectMapper() {
+		logger.debug("new ObjectMapperResolver()");
+		mapper = new ObjectMapper();
+		mapper.enable(SerializationFeature.INDENT_OUTPUT);
+		mapper.setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES);
+		
+	}
+
+	@Override
+	public ObjectMapper getContext(Class<?> type) {
+		logger.debug("ObjectMapperResolver.getContext(...) invoked");
+		return mapper;
+	}
+}
\ No newline at end of file
diff --git a/src/main/java/org/gcube/portal/socialnetworking/model/beans/JobNotificationBean.java b/src/main/java/org/gcube/portal/socialnetworking/model/beans/JobNotificationBean.java
index a15ad82..dc7e09a 100644
--- a/src/main/java/org/gcube/portal/socialnetworking/model/beans/JobNotificationBean.java
+++ b/src/main/java/org/gcube/portal/socialnetworking/model/beans/JobNotificationBean.java
@@ -4,7 +4,7 @@ import javax.validation.constraints.NotNull;
 
 import org.gcube.portal.databook.shared.JobStatusType;
 import org.gcube.portal.databook.shared.RunningJob;
-import org.gcube.portal.socialnetworking.custom.serializers_deserializers.JobStatusTypeDeserializer;
+import org.gcube.portal.socialnetworking.model.custom.serializers_deserializers.JobStatusTypeDeserializer;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
diff --git a/src/main/java/org/gcube/portal/socialnetworking/custom/serializers_deserializers/JobStatusTypeDeserializer.java b/src/main/java/org/gcube/portal/socialnetworking/model/custom/serializers_deserializers/JobStatusTypeDeserializer.java
similarity index 94%
rename from src/main/java/org/gcube/portal/socialnetworking/custom/serializers_deserializers/JobStatusTypeDeserializer.java
rename to src/main/java/org/gcube/portal/socialnetworking/model/custom/serializers_deserializers/JobStatusTypeDeserializer.java
index 68ead06..c903b06 100644
--- a/src/main/java/org/gcube/portal/socialnetworking/custom/serializers_deserializers/JobStatusTypeDeserializer.java
+++ b/src/main/java/org/gcube/portal/socialnetworking/model/custom/serializers_deserializers/JobStatusTypeDeserializer.java
@@ -1,4 +1,4 @@
-package org.gcube.portal.socialnetworking.custom.serializers_deserializers;
+package org.gcube.portal.socialnetworking.model.custom.serializers_deserializers;
 
 import java.io.IOException;