[Company Profile] The social shopping site, which has more than 8.5 million members, has grown into one of the largest overseas fashion e-commerce sites in Japan through its highly unique business model of CtoCx overseas fashion. The global shopping site responsible for its global expansion was launched in July 2016. In the past, there was only a one-way flow of products from the world to Japan, but now it is a C to C cross-border EC marketplace where anyone can purchase products from anywhere in the world. Based on the user base and purchasing information, a proven personal shopper will be the seller for the huge global fashion EC market (11.2 trillion yen even in the US market size alone), which is more than 10 times larger than Japan. “Providing new value to users around the world. Currently, the total transaction volume in 88 delivery countries is over 350% compared to the same quarter of the previous year, which is steadily expanding mainly in North America, which is an important pillar of our growth strategy. [Attractive points of company/work] The opinions of engineers can also be reflected in the product. With sales growth of 350% compared to last year, you are involved in global products that are rare in Japan, which is growing rapidly. [Job description] We will develop and operate our services. You will promote development for business measures and solving technical problems of the system. You will be in charge of architecture design and web application development, and will solve and improve the issues of the product in cooperation with the business side. [Specific work contents] ・Formulation of system architecture considering performance, redundancy, maintainability, and ROI ・Development project management such as task breakdown and assignment ・Propose and promote new technologies that are not currently in use ・ Raise the technical capabilities of the team (code review, design review, etc.) ・Isolate faults and fix bugs [Requirements] ・More than 5 years of web application development and operation experience ・Knowledge and usage experience of Linux　 ・Experience in DB design and class design ・Experience using AWS and GCP ・Experience in load balancing and performance tuning ・troubleshooting ・Required Japanese ability: N2 (business level) [Preferred requirements] ・Experience developing large-scale web services ・Architecture design experience of AWS and GCP ・ Those who find it rewarding to solve problems and improve product development ・Those who are checking the latest technical information or disseminating it themselves [Environment] Server-side: Ruby (Ruby on Rails), PHP (Zend Framework) # There are also Java and Python applications. Frontend: React/Redux, jQuery, Sass, Webpack, Storybook Infrastructure: On-Premises, AWS DB: SQL Server, MySQL Development environment: macOS, Docker Project Management: Redmine, Jira, GitLab, GitHub Design: Figma, Photoshop Communication: Slack, Zoom, esa [Conditions] Employment Type: Permanent Trial period: 3 months Estimated annual income: 6 to 12 million yen Work location: Tokyo （Remote encouraged） Working hours: 9: 30-18: 30 Holidays: 2 days a week (Saturdays and Sundays), national holidays Vacation: Summer vacation, year-end and New Year holidays, and other vacations available Overtime: Average month 20 hours Benefits: Complete social insurance, commuting allowance (according to company regulations), and other benefits [About selection] Number of applicants: 1 Documents required for application: resume, resume of work Online interview: Available Interview language: Japanese Number of interviews (flow): 2 times + proper inspection Application for overseas residents: Unavailable * May change depending on the situation of the candidate