Phixi株式会社

About

Move your business faster and smarter with AI.

MISSION

More choices for more people,
through technology.

We build software that widens the range of options available to individuals and businesses. Fewer workarounds. More paths forward.

VISION

Idea to production,
faster than anyone expects.

We use advanced automation and AI to compress the distance between an idea and a working product. Speed and quality are not a trade-off when the process is built right.

Company information

Company name
Phixi Inc.
Japanese name
Phixi株式会社
Founded
November 10, 2025
Representative
Keitaro Kaneko
Address
N&E.BLD. 6F, 1-12-4 Ginza, Chuo-ku, Tokyo 104-0061, Japan
Corporate number
8011701028932
Business activities
  • Planning, development, and operation of applications
  • Planning, research, development, design, manufacture, sale, maintenance, and import/export of computer software and hardware
  • Consulting related to the above

Representative

Keitaro Kaneko works directly on every project as a developer. The career below is listed by organisation. Work completed at previous employers is attributed to those employers, not to Phixi Inc.

Jan 2017 – Mar 2020

Uzabase, Inc. and others

Consultant (intern / sole proprietor)

  • Corporate and accounting analysis at SPEEDA (approx. 2 years)
  • Founded Japavilion; provided market research and consulting services
  • On-site customer research, trade show interpretation, and inbound/outbound sales support

Apr 2020 – Jan 2025

Major domestic subscription e-commerce SaaS company

PM / Full-stack engineer / Tech lead

  • Responsible for 10+ enterprise SaaS customers end-to-end, from requirements to launch
  • Development and operations with Ruby on Rails, PostgreSQL, React, and AWS
  • Implemented SSO across four companies via Auth0; led introduction of SSR architecture
  • Introduced modular monolith architecture to improve maintainability and extensibility
  • Led a 10-person mixed team of employees, contractors, and offshore engineers
  • Received the development division MVP award

Feb 2025 – present

Japavilion / Phixi Inc.

Representative / PM and full-stack engineer

  • Started taking custom operational system projects as a freelance engineer
  • Ongoing work on an integrated case management system for automotive service businesses
  • Full-cycle delivery: requirements, UI design, frontend, backend, and AWS operations
  • Incorporated as Phixi Inc. in November 2025

History

Japavilion (sole proprietorship) established — market research and consulting

Started as a freelance engineer; began taking on custom operational system projects

Phixi Inc. incorporated

Corporate website launched

Development services page published