Add features to a Python module for workflow automation (BPMN)

I'm looking for an experienced developer to work on our Python module for business process automation. The module is here: [login to view URL] We would like to expand Spiffworkflow in such a way that it supports the following functionality: - We would like to be able to use subflows as defined in CamundaModeler - We would like to be able to use properties as defined in CamundaModeler. - We would like to be able to use input and output parameters as defined in CamundaModeler Required skills: - Can work and add features without coaching - Good understanding of BPMN, and willingness to install and use Camunda for testing - Can quickly dive into existing Python modules and grasp the software design with minimal coaching - Experience with test driven development - Willingness to work on all aspects of the product to get features ready, including theoretical design, development, unit testing, functional testing, and initial setup. Occasionally, direct contact with the customer may be required - Experience with Git mandatory The ideal candidate is an experienced Open Source developer with existing work available for review. When making a bit, please explain how you have worked with BPMN before.