Responsibility：1、Assist team leader in system maintenance for authentication/authorization system.2、As a key member of the team, responsible for investigation and resolution of bugs and problems occurred in the system.3、As a key member of the team, responsible for pre-vailidation for new products and services of system.4、As a key member of the team, responsible for documentation of solution and its verification, and discussion/review/report with system owner from Japan site.Requirement：1、More than 3 years of C # or Java development experience, and more than 1 year of Microsoft 2、More than 3 years of mainstream databases(SQL server, Oracle) experience.3、Language: Japanese level is N2 or equivalent, verbal and written communication skills;Read and written skills in English.4、Strong sense of responsibility, good skills in communication, troubleshooting, research, summarization and fast learning.5、System maintenance experience for Japanese system is preferred.6、Understanding of OAuth2.0 and OpenID connect protocols is preferred. 职能类别：高级软件工程师