Develop server-side logic, definition and maintenance of the central database, and ensure high performance and responsiveness to requests from the front-end developers. Collaborate with front-end developers, customers, users and Product Managers to establish objectives and design functional, cohesive codes to enhance the user experience. Provide technical leadership and documentation to developers and stakeholders. Apply usability procedures and principles as defined at the project or Product Line level or through customer input. Build prototypes, products and systems that meet the project quality standards and requirements. Contribute to and support re-use through common components that are well documented and tested.