Senior Software Engineer (Full Remote Work)

Senior Software Engineer (Back-end) | Tokyo | Full Remote | ¥8M–¥11M

Location: Tokyo (Full Remote)

Annual Salary: ¥8,000,000 – ¥11,000,000

Japnese Level: Advanced ~ Business level

Employment Type: Full-time (Regular Employment)

About the Company

This company is on a mission to make "communication smarter using spatial data." They’ve developed proprietary B2B cloud software and mobile applications that allow users to create and use 360° VR content as spatial data. Their technology is used across real estate, housing, manufacturing, finance, and regional development industries—with over 10,000 users and several patents under their belt, including for VR-based measurement and virtual staging.

About the Role

As a Senior Software Engineer, you’ll lead the back-end development of applications used in VR previews for real estate companies. You’ll also help shape the technical roadmap and foster engineering growth from a tech lead perspective.

Key Responsibilities:

• Design, develop, deliver, and document high-quality backend features
• Lead automation of 3D spatial image restoration
• Improve rendering and content editing features using panoramic and 3D data
• Collaborate with designers and PMs in a fast-paced dev cycle with daily releases
• Promote best practices, review PRs, and contribute to engineering culture

Tech Stack

• Infrastructure: AWS
• Languages: Ruby, JavaScript (Node.js), Python
• Frameworks: Ruby on Rails, Flask, Node.js, Vue.js, React.js, Babylon.js
• Frontend: JavaScript, TypeScript, HTML, CSS
• Database: Aurora, MySQL
• Servers: nginx, unicorn
• Middleware: Sidekiq
• Monitoring: Datadog, HoneyBadger
• Tools: GitHub, Jira, Qiita Team, BigQuery, CircleCI
• Communication: Slack, Google Meet

Required Qualifications

• Over 5 years of back-end development experience
• Professional experience with Ruby on Rails
• Experience with at least one backend language or framework (e.g., Ruby on Rails, GraphQL, Java, Python, Go, C#)
• Bachelor's degree or higher in Computer Science, Math, or related field
• Business-level or higher proficiency in Japanese

Preferred Qualifications

• Experience in data analysis or DevOps
• Security and networking knowledge
• Front-end development experience (JavaScript, TypeScript, React.js, Vue.js)
• Experience working in agile teams of 3–10 members
• Passion for continuous learning and improving engineering culture

What’s in It for You

• Contribute to a product with over 10,000 users
• Full remote and flex-time environment
• High-visibility role with career growth opportunities
• Be part of a fast-moving team releasing new features daily
• Work in a collaborative, feedback-driven engineering culture

We have more positions available—if you're open to new opportunities, don’t hesitate to apply!