Job ScopeDesign and implementation function of the product in charge of using KotlinHigh-performance design and development of camera module and drawing functionsAPI design / implementation linked with backendRequirements definition and specification formulation in collaboration with product managers, designers and QARefactoring of existing applications, enhancements performance, Cost reduction of regression testing by implementing appropriate test codeMust have:6+ years of experience in developing native applications with Android Native KotlinExperience to build project from zero as well as refactoring projectExperience in developing functions with writing unit testsExperience of architecture design, OOP, SOLID, Design Pattern and framework selection based on application requirementsCreating high quality code for security, performance, scalability, testability, etc.Skills in code review, solving problems, bug analysis, and error troubleshootingSkills in communicating smoothly with team members and other stakeholdersAbility to deliver high performance and scalable solutionsSkills Experience of development and operation using various frameworksGood at English communication (comunicate with tech Lead, BA and QA by English)