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JOB ID 27723

Backend Engineer | Backend Engineer [Development of Payment and Billing Platform] / Fully Remote OK

  • Logistics & Transportation, Transportation, Trafic
  • IT, Product Engineer (Hard/soft)
  • Shizuoka, Ehime, Hokkaido, Toyama, Fukushima, Yamagata, Saga, Tochigi, Chiba, Gifu, Aichi, Fukui, Osaka, Ibaraki, Shimane, Tokyo, Niigata, Okayama, Gunma, Kagoshima, Nagano, Nara, Tokushima, Tottori, Miyagi, Akita, Fukuoka, Yamaguchi, Aomori, Kagawa, Saitama, Iwate, Okinawa, Shiga, Kochi, Kumamoto, Kanagawa, Yamanashi, Oita, Miyazaki, Ishikawa, Hyogo, Wakayama, Mie, Kyoto, Hiroshima, Nagasaki
  • ¥7,000,000~¥9,000,000

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 payments, payment billing, and sales that support taxi apps.
The platform includes services beyond payment transactions, including large-scale aggregation processing, management screens supporting business operations, journal entries, and reporting.
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: Refinement and acceleration
    of payment invoice processing, rapid aggregation
    of large volumes of transaction data, reduction
    of workload for internal and external users, and measures against fraudulent payment use

    ■ 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 panel)
    language: TypeScript
    framework: Vue.js (Vue3), React (Next.js)
    Interface definition: OpenAPI (Swagger)

    ・Other (potentially involved)
    infrastructure: GCP
  • Requirements
    Applicants
    must meet all of the following: server-side development experience (approximate: 3 years or more)
    • Experience
    in microservices or domain-driven design • Web service maintenance and operation in high-traffic, large-scale data environments • Experience in performance tuning
  • Preferred
    ・Experience
    in developing and operating accounting or payment business systems ・Development experience using
    Go language ・Experience in architecture design and technology selection
    ・Experience as a tech lead
    ・Experience in project management
    ・Holder

    of a Japan Chamber of Commerce bookkeeping qualification ■ Someone who resonates with the desired profile
    , mission, vision, and values
    ・Individuals
    with a sense of ownership who can take initiative to cooperate with both internal and external team members for success and improvement ・Individuals interested in and able to take action to improve team productivity and organizational challenges
  • Location
    Shizuoka, Ehime, Hokkaido, Toyama, Fukushima, Yamagata, Saga, Tochigi, Chiba, Gifu, Aichi, Fukui, Osaka, Ibaraki, Shimane, Tokyo, Niigata, Okayama, Gunma, Kagoshima, Nagano, Nara, Tokushima, Tottori, Miyagi, Akita, Fukuoka, Yamaguchi, Aomori, Kagawa, Saitama, Iwate, Okinawa, Shiga, Kochi, Kumamoto, Kanagawa, Yamanashi, Oita, Miyazaki, Ishikawa, Hyogo, Wakayama, Mie, Kyoto, Hiroshima, Nagasaki
  • Work Style
    Remote working possible, Flex working possible
  • Salary
    ¥7,000,000~¥9,000,000
  • 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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