Working knowledge of front-end optimization and performance techniques.Makes design recommendations towards the development of new code or reuse of existing code.Crisp Communication with clients and ability to work as an interface between team members and client counterparts.Taking an active role in structuring our single-page applications to make them easy to maintain and to ensure they are highly modularized.Cooperating with the back-end developer in the process of building RESTful API’s.Work with UI / UX designers to help create and then implement best design practices.Collaborate with the QA team to define test cases, and metrics, and resolve questions about test results.