Tokyo Rakuten
Job Description

Department Overview


As the largest Internet shopping mall service with more than tens of millions of consumers in Japan, we are constantly pursuing UI/UX best practices through a continuous cycle of A/B testing, hypothesis generation, verification, analysis, and systematization to drive improvements.

In addition, we optimize the web backend to provide continuous and stable service under high load conditions during major events such as Rakuten Super Sale, taking into account various system and service characteristics.

Position

Position Details

We, EC Marketplace Development Department is looking for a Senior Backend Development Engineer for Rakuten Ichiba.

Specifically, you will be responsible for the design, development, and operation of the following web system backend, as well as the engineering team and project management.

Understand business requirements, and deliver features with high quality and speed
Leading project or leading team as senior engineer from design, develop, test, and operate new user-facing features for large scale e-commerce systems, make technical decision under complex circumstance
System design, implementation, testing and release for various types of development projects
Operations (Inquiry management, investigation and other operational tasks)

Mandatory Qualifications

Engineer team (more than 5 members) leading experience
Waterfall style project (scale larger than 15 man-month) management experience
Service monitoring and production environment trouble shooting/reporting experience
5+ years experiences of Java/Spring Boot Web application development experience
5+ years experiences of REST API design, development, familiar with JUnit Test and code review
Experience of Relation Database(Oracle or mysql)
Experience of using Tomcat or Weblogic
Experience of Linux, Gradle, Git
Experience of CI/CD with Jenkins or other tools
Experience of container architecture such as Docker, Kubernetes in system development
Communication skill in English

Desired Qualifications

Tech lead experience (e.g. High traffic web system architecture design, technical decision making)
Performance/load test tech lead experience (e.g., High-traffic web system architecture design, technical decision-making)
Knowledge of system scalability and sustainability
Experience of using Redis, Kafka, ElasticSearch, Grafana, Kibana
3+ years experiences of PHP application development using any framework
Experience building an environment using Kubernetes
Have Certified Kubernetes Administrator (CKA) or Certified Kubernetes Application Developer (CKAD) qualification

Other Information

Additional information on Location

Rakuten Crimson House (Head office)

Additional Information On English Qualification

TOEIC Score 800 above or possess equivalent abilities

#engineer #applicationsengineer #commerce #RakutenIchiba #Java #Kotlin

Languages

English (Overall - - Advanced), Japanese (Overall - - Beginner)
Show more Show less

  • Tokyo Rakuten Full time¥6,000,000 - ¥12,000,000 per year

    We are looking for a Senior Backend Development Engineer for Rakuten Ichiba. You will be responsible for the design, development, and operation of the web system backend, as well as the engineering team and project management. · Understand business requirements, and deliver featu ...


  • Tokyo Rakuten ¥9,000,000 - ¥20,000,000 per year

    +We are looking for a Senior Backend Development Engineer to design develop operate web system backend with engineering team project management. · +Understand business requirements deliver features with high quality speed. · Leading project leading team as senior engineer from de ...


  • Tokyo Appier Full time¥612,000 - ¥2,160,000 per year

    We are seeking skilled and motivated Senior Software Engineer, Backend Development(BotBonnie) to join our dynamic team. · This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan. ...


  • Tokyo Appier ¥1,200,000 - ¥3,000,000 per year

    We are seeking skilled and motivated Senior Software Engineer, Backend Development(BotBonnie) to join our dynamic team. As a Senior Backend Development (BotBonnie), you will play a crucial role in designing, developing, and maintaining the server-side applications that power our ...


  • Tokyo Appier

    We are seeking a highly skilled Senior Backend Developer to join the Payable Ads team with deep expertise in distributed systems and modern backend architecture. · Architect and develop robust, scalable backend services and APIs using ASP.NET Core · Design efficient, normalized d ...


  • Tokyo Rakuten ¥2,000,000 - ¥2,500,000 per year

    We are looking for a senior backend software engineer to work on core search system development. · We design, · develop, · and deploy high performance, · fault-tolerant distributed systems used by millions of Rakuten customers every day.Bs degree i · n Computer Science ,Computer ...


  • Tokyo Appier ¥10,000,000 - ¥20,000,000 per year

    Software engineers at Appier Tokyo office build a wide range of platforms and services that interconnect data and AI with our customers and users. · Design, implement, and optimize backend services · Participate in code reviews and contribute to system design discussions · Collab ...


  • Tokyo Appier Full time¥6,000,000 - ¥12,000,000 per year

    Software engineers at Appier Tokyo office build a wide range of platforms and services that interconnect data and AI with our customers and users. As a Senior Software Engineer, you will contribute to building scalable backend systems while also participating in service operation ...


  • Tokyo Appier ¥80,000 - ¥150,000 per year

    About Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. · We are seeking skilled and motivated Senior Software Engineer, Backend Development to join our dynamic team. ...


  • Tokyo Rakuten ¥15,000,000 - ¥25,000,000 per year

    Rakuten Group is looking for a senior backend software engineer to work on core search system development. · ...


  • Tokyo Appier ¥10,000,000 - ¥20,000,000 per year

    Software engineers at Appier Tokyo office build a wide range of platforms and services that interconnect data and AI with our customers and users. As a Senior Software Engineer, you will contribute to building scalable backend systems while also participating in service operation ...


  • Tokyo, Japan Appier

    Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. · Design, implement, and optimize backend services · ...


  • Tokyo Entrupy ¥150,000 - ¥200,000 per year

    Entrupy is seeking a product-focused Senior Backend Engineer to join our remote engineering team. · Designed, developed and maintained backend APIs using Python for mobile applications and internal services. · ...


  • Tokyo Specialized Group ¥8,000,000 - ¥12,000,000 per year

    A fast-scaling digital service company in Japan is seeking a Senior Backend Engineer to help design and build the next generation of its data-driven platform. · Design, build, and optimize backend systems using Golang and Python · Develop scalable APIs and services supporting pro ...


  • Tokyo Rakuten Symphony Full time¥900,000 - ¥1,200,000 per year

    We are seeking a Senior Backend Engineer to join our dynamic and innovative development team. As a Senior Backend Engineer, you will be responsible for designing, developing, and maintaining our robust and scalable web applications. · Design, develop, and maintain high-quality we ...


  • Tokyo Computer Futures ¥1,800,000 - ¥2,500,000 per year

    Join a fast-growing global tech company in the electric mobility sector as a Senior / Lead Full-Stack Engineer. We are building scalable EV charging solutions that combine hardware and software to power the future of transportation. · Lead technical aspects of backend dashboard p ...

  • Backend Engineer

    3週間前


    Tokyo Specialized Group ¥5,500,000 - ¥10,000,000 per year

    A global tech company is looking for a Backend Engineer to join a team responsible for its product catalog systems.You'll work with a team of backend engineers focused on building scalable services, improving system architecture, and working closely with cross-functional teams ac ...


  • Tokyo TEKsystems ¥8,000,000 - ¥15,000,000 per year

    Join a high-impact initiative to rebuild and expand a legacy Digital Asset Management (DAM) platform for a leading e-commerce marketplace. · ...

  • Backend Developer

    2週間前


    Tokyo Morgan McKinley ¥4,200,000 - ¥10,800,000 per year

    A fast-growing coaching company is expanding its engineering team, and we're looking for a skilled Backend Engineer to help build scalable, high-quality products. · ...


  • Tokyo IT FORCE ¥6,000,000 - ¥12,000,000 per year

    As a Senior Java Developer, you will be responsible for designing, developing, and maintaining high-performance backend systems. · Design, develop, and maintain backend services using Java and related frameworks such as Spring / Spring Boot · Build and optimize RESTful APIs and m ...

  • Software Engineer

    4週間前


    Tokyo 株式会社PeopleX アクティブコネクターグループ ¥7,000,000 - ¥13,000,000 per year

    This Japanese technology firm develops and deploys generative AI solutions to drive business transformation and enhance productivity for corporate clients. · We are looking for a skilled Backend Engineer to join our team! · Design, develop and operate backend systems for AI produ ...