Job Description:
Business Overview
The Technology Platforms Division (TPD) is responsible for building and operating the infrastructure and ecosystem platforms which power the Rakuten Group. Our mission is to provide our Rakuten Cloud and Ecosystem Platforms which will deliver Core Value to accelerate the growth of Rakuten Group services.
Department Overview
The Membership Platform Department (MPD) is thinking big: we create scalable platforms that power the Rakuten Ecosystem worldwide. Are you interested in building the next generation of Internet services that reach hundreds of millions of users across the globe every day? In our department, you will join a global team of experienced technologists who build the foundation of our services.
Overall Position Details
As a hands-on fullstack developer, you will use your development skills to build applications, by working on requirements (gathering, definition), the entire test plan (functional, operational, failure, load, etc.), risk assessment, release judgement, and reviews (design, test plan, test result). You will also come up with innovative ideas to help the product and the team, in order to improve overall efficiency of the team.
Your responsibilities will be as follows:
- Design and develop software solutions, including preparing HLD/LLD/API spec, respond to requests for business requirements, design, coding, testing, and release, as well as maintenance of software programs and systems.
- Collaborate with the team and other stakeholders to deliver features with quality and speed.
- Take responsibility of the product, monitoring, troubleshooting and bug-fix when needed (you will also be required to be on-call out of standard working hours).
- Create and maintain technical documentation.
- Be proactive in proposing and performing system/processes improvement (e.g. refactoring, adopting appropriate technologies and system architecture).
- Grow and contribute to team members' technical and product development skills and knowledge sharing.
Mandatory Qualifications:
- Bachelor's Degree (BS) in Computer Science or in related fields, or equivalent education and experience
- Experience with Software Development (5 years +)
- Experience with Backend Systems development (3 years +)
- Experience with Java/Kotlin development (3 years +)
- Experience working on Microservices and Backend Systems development (3 years +)
- Experience developing RESTful API's (3 years +)
- Experience with JavaScript/TypeScript development (5 years +)
- Experience with React.js / Next.js (5 years +)
- Experience with docker (3 years +)
- Experience with SQL & NoSQL databases (3 years +)
- Experience in designing solution with Frontend and Backend systems with HLD and architecture design (end-to-end) independently (1 year +)
- Experience with Reactive Programming
- Experience with event streaming platforms or messaging queues (preferably Kafka)
- Experience with designing APIs to support high QPS
- Experience with Rest APIs, JSON
- Experience with WebApp, MobileApp
- Experience building systems with high level of observability (structured logging, tracing, metrics)
- Experience troubleshooting distributed systems
Desired Qualifications:
- Experience working in Kubernetes environment
- Experience working in eCommerce
- Knowledge of Open ID Connect and OAuth2.0 standards
- Knowledge of design principles to improve performance, capacity, & scalability of product
- Experience with user models, workflows, user interfaces, UX
Other Details
- Work Location: Tokyo
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