Tokyo Development Studio

Dot F Studio

Dev on the Fly

We build lean, essential software — fast.
Specializing in LLMOps, backend systems, and modern web applications.

Start a Project
01

What We Do

LLMOps & AI Integration

  • Dify setup and customization
  • RAG pipeline development
  • LLM integration into existing systems
  • Japanese language AI solutions

Backend Development

  • API design and development
  • Infrastructure architecture
  • System integration
  • Performance optimization

Frontend Development

  • Modern web applications
  • Admin dashboards
  • User interfaces for AI products
02

Our Approach

Minimal & Essential

We focus on what matters. No over-engineering, no bloat — just clean, working solutions.

Fast & Flexible

Small team, quick decisions. We adapt to your needs and deliver on the fly.

Build & Handoff

We design and build, you operate. Clear scope, clean delivery, comprehensive documentation.

03

Team

Y

ytnobody

Backend / Infrastructure

26 years of engineering experience. Specializes in system architecture, API design, and LLMOps.

K

kumasuke

Frontend / Cloud Infrastructure

Modern web development with focus on clean UI and user experience. Also handles cloud infrastructure setup and configuration.

04

How We Work

1

Discovery

Quick call or async discussion to understand your needs

2

Proposal

Clear scope, timeline, and pricing — no surprises

3

Development

50% upfront, iterative progress updates

4

Delivery

Working software + documentation, remaining 50% on completion

Let's Talk

Ready to build something?

hello@dotf.dev

Based in Tokyo, Japan

Working async-first with clients worldwide