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JOB ID 27717

Senior Backend Engineer | Senior Backend Engineer [Taxi App] / Fully Remote OK

  • Logistics & Transportation, Transportation, Trafic
  • IT, Product Engineer (Hard/soft)
  • Shizuoka, Ehime, Hokkaido, Toyama, Fukushima, Yamagata, Saga, Tochigi, Chiba, Gifu, Fukui, Aichi, Osaka, Shimane, Ibaraki, Tokyo, Niigata, Gunma, Okayama, Kagoshima, Nagano, Tokushima, Nara, Tottori, Akita, Miyagi, Fukuoka, Yamaguchi, Aomori, Saitama, Kagawa, Iwate, Okinawa, Shiga, Kochi, Kumamoto, Kanagawa, Yamanashi, Oita, Miyazaki, Ishikawa, Mie, Kyoto, Hyogo, Wakayama, Hiroshima, Nagasaki
  • ¥8,500,000~¥12,000,000

It is a company that develops mobility-related services and promotes the digitalization of transportation and transportation methods.
Utilizing its proprietary apps and platforms, it offers a variety of services centered on taxi dispatch services. As
one of only a dozen or so unicorn companies in Japan, it co-creates new mobility services with various companies.

You will be responsible for developing the platform for managing payment invoices and sales to support taxi apps.
The platform includes services for large-scale aggregation processing, management screens supporting business operations, journal entries, reporting, and more.
The main responsibilities are planning, designing, and developing new features and services that support the daily growth of our services.
We are looking for those who have many opportunities to build from scratch and enjoy challenging days.

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Job Description

  • Responsibilities
    ■ Recruitment Background
    : Providing a safe and fast payment system is extremely important for taxi apps to maximize customer satisfaction.
    With rapid business growth and market expansion, it is necessary to introduce more diverse payment methods to ensure smooth billing and payment processing with taxi operators.
    Our mission is to further refine and accelerate payment billing processing, contributing to process improvement and increased efficiency.
    We are seeking engineers who have the ability to propose and implement innovative solutions in a complex and challenging environment.

    ■ Challenges
    to be solved: Fast aggregation
    of large volumes of transaction data, refinement and acceleration
    of accounting processing, and reduction of workload for internal and external users

    ■ Development Environment
    Backend (Microservices)
    Language: Go
    Inter-service Communication: gRPC, GraphQL
    Data Stores: PostgreSQL, MySQL, Redis, BigQuery
    Infrastructure: AWS (EKS, S3, SNS, SQS), Kubernetes, Docker
    Workflow engine: Apache Airflow
    Monitoring: Grafana, Sentry
    AI: Claude Code, GitHub Copilot, Gemini, etc.
    IDE: GoLand, Visual Studio Code
    CI / CD: GitHub Actions
    VCS: GitHub

    ・Frontend (management dashboard)
    Language: TypeScript
    Framework: Vue.js (Vue3), React (Next.js)
    Interface definition: OpenAPI (Swagger)
    Others (may be involved)
    Infrastructure: GCP
  • Requirements
    ・Experience
    in handling the full cycle from requirements adjustment to release and maintenance ・Experience leading
    development on the server side or frontend ・Experience
    in microservices and domain-driven design ・Experience promoting the use of generative AI in development operations to improve
    development efficiency ・Experience in web service maintenance, operation, and performance tuning in high-traffic, large-scale data environments
  • Preferred
    ・Experience improving development processes in a team of 10 or more engineers
    ・Experience in a role equivalent to Product Manager or Project Manager
    ・Experience in the development and operation of accounting management systems
    ・Holders of the Nissho Bookkeeping Certification

    ■Ideal Candidate Profile
    ・Individuals who resonate with our mission, vision, and values
    ・Someone who takes ownership, collaborates with colleagues both inside and outside the team, and takes the initiative to drive success and improvement
    ・Someone who is interested in and committed to improving team productivity and solving organizational challenges
  • Location
    Shizuoka, Ehime, Hokkaido, Toyama, Fukushima, Yamagata, Saga, Tochigi, Chiba, Gifu, Fukui, Aichi, Osaka, Shimane, Ibaraki, Tokyo, Niigata, Gunma, Okayama, Kagoshima, Nagano, Tokushima, Nara, Tottori, Akita, Miyagi, Fukuoka, Yamaguchi, Aomori, Saitama, Kagawa, Iwate, Okinawa, Shiga, Kochi, Kumamoto, Kanagawa, Yamanashi, Oita, Miyazaki, Ishikawa, Mie, Kyoto, Hyogo, Wakayama, Hiroshima, Nagasaki
  • Work Style
    Remote working possible, Flex working possible
  • Salary
    ¥8,500,000~¥12,000,000
  • Attractive
    Points
    Listed company, Average age 30s, Over 50% Mid-Career Hires, Childcare support system, Weekends and holidays off, Major corporation, New businesses and services

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