● Design and implementation function of the product in charge  of using Kotlin
● High-performance design and development of camera module and drawing functions
● API design / implementation linked with backend
● Requirements definition and specification formulation in collaboration with product managers,designers and QA
● Refactoring of existing applications, enhancements performance, Cost reduction of regression testing by implementing appropriate test code

Must have: 
● 6+ years of experience in developing native applications with Android Native Kotlin
● Experience as a technical lead throughout the full project development lifecycle
● Experience to build project from zero as well as refactoring project
● Experience in developing functions with writing unit tests
● Experience of architecture design, OOP, SOLID, Design Pattern  and framework selection based on application requirements
● Creating high quality code for security, performance, scalability, testability, etc.
● Skills in code review, solving problems, bug analysis, and error troubleshooting
● Skills in communicating smoothly with team members and other stakeholders
● Ability to deliver high performance and scalable solutions
● Skills Experience of development and operation using various frameworks
● Good at English communication

Nice to have: 
● Experience in developing functions with writing instrumentation/automation tests
● Experience in dealing with scalability in line with service growth
● Experience of publishing and contributing Open Source Software

• Competitive salary package, including full insurance coverage. 
• Annual performance review: twice/ year.
• 13th-month salary Bonus.
• 18 days of leave: 12 days of annual leave, 6 days of New Year Leave.
• Premium Healthcare Insurance Package starting from day one.
• Annual Health Check-up.
• Excellent career development opportunities, with exposure to and experience in the latest technologies.
• Patents and Inventions bonus.
• Company trip, Year-End Party, Gifts for Tet/ Holidays.
• MacBook Pro/laptop is provided.

• No.1 Construction Tech company in Japan
• Hybrid working environment
• Attractive salary and Macbook Pro