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Salary
$45k – $64k per year
Location
In office (Tokyo)
Seniority
Middle · 3+ years exp
Employment
Full-Time

First seen by Alion on Aug 31, 2026.

Overview
Company
Impact
Profile match
Spacely is a Japanese company that offers a cloud VR software for businesses with more than 12,000 users. Its AI-assisted tools create virtual tours and spatial data for the real estate and housing industries, including 360-degree content, virtual furniture placement and room size estimation, and it hires Rails engineers. The company is based in Tokyo, Japan.

As a Rails Engineer for our product, “Spacely,” you will be responsible for back-end development supporting the spatial data platform for the real estate and housing industries. Your focus will be on developing features used daily by real estate and housing industry customers.

Main features you will be involved with:

  • 360-degree image and video content management
  • Property data management
  • AI-powered virtual furniture placement
  • AI-powered room size estimation
  • Marketing support such as access analysis and customer tracking, etc.

Our team fosters a culture that embraces new technologies, with adoption driven by those who propose them. We actively incorporate innovative approaches and are open to bold technical decisions, encouraging engineers to take initiative and explore new possibilities.

Responsibilities

  • Design, development, and operation of APIs and web applications using Ruby on Rails (development in 2-week sprints)
  • Building a back-end infrastructure that can safely and scalably utilize property/housing content and data
  • Planning and implementation of new features using generative AI
  • Proposing improvements to the development environment, application architecture, and performance tuning

Requirements

  • Experience in web development (3+ years preferred)
  • Experience developing with Ruby on Rails
  • Knowledge of AWS
  • Experience in software development utilizing AI-assisted coding tools
  • Experience with RDBMS (MySQL or PostgreSQL)
  • Experience writing test code using RSpec

Nice to haves

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

  • Experience with Specification-Driven Development (SDD) practices
  • Development experience with Vue.js or React.js
  • Experience managing development teams of several members
  • Knowledge of MySQL tuning and query optimization
  • Understanding of search engines (e.g., ElasticSearch or Algolia)
  • Experience writing API documentation using OpenAPI
  • Experience with Agile or Scrum development methodologies
  • Experience developing APIs for mobile applications
  • Experience in designing architecture and launching and operating services
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