Java Developer for famous EC Giant in Japan

About the company

We are one one of the one of the leading online service providers in Japan with wide ranging services from e-commerce to booking sites to financial service products and even life sciences/cancer treatments.

During this global pandemic we been performing very well and while some of their businesses took a temporary hit, other businesses are making more than up for it with significant growth as a whole business.

What's in it for you

• Fast growing, multi-cultural, international team
• Work in a dynamic, collaborative, and transparent culture where your talent is valued over a role title.
• Work/Life Balance: we honor great work and producing great deliverables. Not sitting in the office all day and night.
• Opportunities: variety, innovation, and unique challenges, where you can learn something new every day as well as Utilization of new technologies.

Position Details

We are looking for a passionate and innovative engineer who can bring fresh ideas, lead the development and operation with getting the peers involved proactively, to join us together in delivering best shopping experiences with high speed and time-to-market.

• To understand business requirements, and deliver features with high quality and speed
• To design, development, test, and operate of large scale e-commerce systems
• To perform maintenance, monitoring, troubleshooting and bug-fix (24/7)
• To perform system improvement (i.e. refactoring, adopting appropriate technologies and system architecture, and optimizing the system performance with a sufficient load test)

Mandatory Qualifications:

• Good experience in CI/CD automation of service delivery (using Jenkins/git, etc.) as DevOps
• Good experience in both Waterfall and Agile practice, and understand the spirit behind them
• Good experience in traffic management by using CDN and caching systems
• Experience in developing GraphQL / JSON RPC / gRPC server implementations
• Team leading experience (5~6 people) to achieve targets on schedule under high pressure
• Operate middle ware, such as Apache, Nginx, Tomcat, Weblogic and other open source framework
• Experience in supervision of software contents management (Git, Maven, and Gradle)
• Experience in Architecture Design by taking lots of system characteristics
• Try to tackle proactively against highly challenging issues and manage to get things done
• Can convince all stakeholders with choosing the best technical option with long-term and panoramic vision 

Desired Qualifications:

• Over 4 years' experience in designing and developing RESTful API and Micro service architecture as a whole
• Proven hands-on Software Development experience in designing and developing applications using Java / Java EE platforms (JVM mechanism such as class loading, memory management, and gc tuning)
• Object Oriented analysis and design using common design patterns (Gof, SOLID principles, and functional programing)
• Experience in maintaining unit-testing suite at state-of-art level
• Experience in Spring Framework
• Experience to host Java application server (Tomcat, WebLogic / Jetty / Undertow, etc.) and configure it for production use
• Improve with the people around you with accepting given legacy system and rules
• Ability to try to pursue an issue meticulously and to take care in not missing details
• Ability to not be fixated on ideal solution utilizing GNU utility on Linux distribution to take further investigation
• Experience in Architecture Design by taking lots of system characteristics
• Try to tackle proactively against highly challenging issues and manage to get things done
• Can convince all stakeholders with choosing the best technical option with long-term and panoramic vision 

Location

• Tokyo