• Build a new Automation framework and common library for the project • Design and write test scripts based on Manual test cases. • Write and execute test scripts on Katalon toolkit and have requirements for SELENIUM, Gherkin syntax, POSTMAN, CUCUMBER, GIT, Java , Groovy, Javascript (ES6+), Typescript, ReactJS, ReactNative, RESTful, AWS, Firebase, ... • Write/Update Automation testing documents (Test script/ Checklist/ Test report). • Execute functional tests and non-functional tests using automation scripts. • Manage and handle project bugs. • Report to Test Lead. • Perform Website testing on many different browser/Mobile platforms for the project. Perform API testing (including performance testing) • Work with Agile Framework (JIRA) software development process. • Proactively discuss with relevant partners to handle errors and problems to perform automation testing.• At least 3 years of experience as a Automation Tester. • Master knowledge of building Automation frameworks and have experience in building common libraries for use during Automation Testing. • Experience in testing Website on many different browser/Mobile platforms. Experience in performing API testing (including performance testing) • Understanding of Web application development and React-Native. • Experience in relational database concepts, SQL queries (Oracle database, SQL...). Experience working with NoSQL data (mongodb,..) is an advantage • Understanding of software development processes, experience with Agile Framework (JIRA). • Good problem solving, analytical and critical thinking skills. • Communicate well, work in groups or independently. • English: good communication. • Have ISTQB certificate is a plus.Successful candidates will be able to sign a labor contract immediately, no need to go through a probationary period; Salary shall be discussed during the interview; Monthly working allowance when working at client's office; 5 working days per week (Monday-Friday), some extent flexible working hours; Friendly, professional and open working environment; Premium Heath Care Insurance 24/7 for Key Person; Company Trip and Events, Birthday Party, Year End Party; Labor Contract, Social insurance as Labor Law; Training courses: Technical skills, Japanese; Professional and Flexible Working Environment.