Experienced Ruby on Rails Engineer

Scoville Tokyo August 1 2026
  • 💴 ¥9M ~ ¥13M annually
  • 🏡
    Fully remote
    From Japan
  • 🌏
    Apply from abroad
    Relocate to Japan
  • 💬
    Business Japanese
    Business English
  • 🧪
    Senior level
    5+ years experience required
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About Scoville

Scoville Tokyo

Web-based HR products, cross-industry AI, IoT, Robotics, and Cloud & Big Data solutions. We work in a range of industries such as Human Resources, Hospitality, Education, Health Care, Warehousing & Inventory, and Health & Fitness.

Key benefits

  • International and English-friendly
  • Rapidly expanding
  • Free weekly Japanese lessons

About the position

Looking to make a meaningful impact in Business & IT Consulting? Join our team as an experienced Ruby on Rails Engineer (with web technology skills).

Help us revolutionise Japanese industries through the provision of modern, innovative technology solutions. We’re a dynamic team, seeking individuals who share our passion for building smart and functional applications for our clients. For this role, you must have demonstrable expertise with Ruby on Rails.

Responsibilities

  • Propose solutions as a technology specialist in a small product team to maximise user experience and business outcomes.
  • Deliver working web-based software using the Ruby on Rails framework.
  • Follow secure development practices, including secure coding, code review, and dependency and vulnerability management, in line with our secure SDLC.

Requirements

  • Hold a degree in Computer Science or equivalent experience.
  • 5+ years recent commercial programming with a strong emphasis towards delivering Web solutions and Ruby on Rails.
  • Expert understanding of Ruby on Rails, and the Ruby programming language.
  • Experience with Turbo Frame and Turbo Stream.
  • Experience using the Stimulus JavaScript framework.
  • Deep knowledge of various web technologies, including how to design and build websites and web-based applications.
  • Expert understanding of JavaScript and TypeScript, HTML, CSS etc.
  • Experience with AWS Services (we use many different AWS Services).
  • Experience with Containerization (we use Docker).
  • Japanese language proficiency (Business Level).
  • Status of residence:
    • For those in Japan: must have a working visa valid for more than six months.
    • For those outside of Japan: remote contract work is available until a visa can be prepared.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Experience working with UX Designers & exposure to tools such as Figma.
  • Understanding of CRDT using tools like Yjs.
  • Experience using real-time communication technologies like ActionCable and WebSocket.
  • Understanding/experience with VoIP-related technologies.
  • Experience developing view components in Ruby on Rails using the ViewComponent library. -Understanding of OIDC and experience building OIDC Providers using tools like Doorkeeper.
  • Understanding of generative AI and experience using APIs such as OpenAI ChatGPT.

Compensation

¥9,000,000 ~ ¥13,000,000 annually.

Negotiable based on experience.

APPLY FOR THIS POSITION
DO YOU NEED MORE INFO?
ASK A QUESTION

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