Create and maintain features in Web including integration scripts applications Develop unit tests for features Investigate problems in applications in collaboration with support, backend, and merchant teams Propose and do refactors Estimate efforts for tasks with a high level of accuracy Analyze large volumes of data to find possible problems and propose performance improvements Identify performance issues and propose solutions Participate in technical meetings and propose solutions to problems Create alarms in metrics systems Indicate new tools and technologies Support new developers on company and train them on the development process, patterns and features Participate in functional meetings with non-engineering teams Document features in the available tool Create integrated tests in the tool provided Analyze all proposals in refinement meetings and define the best solution Participate in war rooms and create an action plan