Gaijin Hunter Careers · Japan

Experienced Ruby on Rails Engineer

Scoville · Tokyo
Visa sponsorship
✓ Mentioned inferred from posting text
Apply from abroad
✓ Yes stated in posting
Japanese required
Business / Professional stated in posting
English level
Business / Professional stated in posting
Salary
¥9,000,000 - ¥13,000,000 stated in posting
Work style
Remote / hybrid OK stated in posting
Employment
Full-time
Source
japandev · Curated
Apply on japandev ↗ japan-dev.com
★ Why this fits foreign applicants · 78/100
  • Posting is mostly English
  • Apply from abroad
  • Visa or relocation support mentioned
  • Salary listed
  • Remote or hybrid OK
  • Curated source
⚠ Things to check: Japanese proficiency required
Salary context
Around median for Design, this role pays ¥4.5M (25th) · ¥10.0M (median) · ¥11.0M (75th) across 5 listed postings.

Job details

Job ID
scoville/scoville-experienced-ruby-on-rails-engineer-1h808e
Posted
2026-05-22
Career level
Senior or above
Salary
¥9,000,000 - ¥13,000,000 (Year)
English
Business / Professional
Japanese
Business / Professional

Description

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 revolutionize 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. What You Will Do This is a hands-on technical role, day to day activities include: Propose solutions as a technology specialist in a small product team to maximize user experience and business outcomes. Deliver working web-based software using the Ruby on Rails framework. What We Can Expect from You English language proficiency. Hold a degree in Computer Science or equivalent experience. 5+ years of recent commercial programming with a strong emphasis on 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). 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. Bonus Points Japanese language proficiency (strongly preferred) . 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. What You Can Expect from Us ¥9.0 - 13.0 million/year (negotiable based on experience). 10+ paid days off per year. Flexible work hours, opportunity to work remotely. Social and health insurance. Commuting subsidy and work equipment provided. An international team of talented and engaged creators who will value your input. Visa sponsorship (after a 6-month trial period).

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