Services
Services
We support client development with the technology and working style honed on our own products.
Web systems and applications
From corporate sites to internal systems and SaaS. Built on Next.js, React and Astro with SEO and performance designed in.
- Next.js
- React
- Astro
- TypeScript
Mobile apps
iOS and Android from one Flutter codebase. Location, maps, chat and payments, implemented with what we learned building our own apps.
- Flutter
- iOS
- Android
Cloud and serverless platforms
AWS-centred architectures combining Lambda, API Gateway, DynamoDB, S3 / CloudFront and Cognito for low cost and easy operation.
- AWS
- Lambda
- CloudFront
- Terraform / CDK
AI and LLM integration
Conversational assistants, RAG, structured extraction and workflow automation on Amazon Bedrock, Claude and Gemini, from requirements to implementation and evaluation.
- Amazon Bedrock
- Claude
- RAG
- Structured Output
Multilingual and cross-border products
Three-language design, hreflang and regional routing, translation workflows and multilingual SEO. We help you launch for users outside Japan or outside Japanese.
- i18n
- Multilingual SEO
- Edge routing
Data pipelines and search
Collecting data from APIs and the web, cleaning it, labelling it with LLMs and building search indexes. Infrastructure that turns data into value.
- Python
- OpenSearch
- ETL
E-commerce, payments and booking
Stripe subscriptions, Japan-specific payment methods (konbini, PayPay, LINE Pay), and booking and inventory systems.
- Stripe
- Booking
- Subscriptions
Technical advisory and DX
Technology selection, architecture review, building a development team, and improvement plans for existing systems. We work between management and engineering.
- Architecture
- Tech selection
- Advisory
Stack
What we actually use in production
Frontend
- Next.js
- React
- Astro
- TypeScript
- Tailwind CSS
- Flutter
Backend
- Python
- FastAPI
- Node.js
- PostgreSQL / PostGIS
- Redis
- Prisma
Cloud
- AWS Lambda
- API Gateway
- S3 / CloudFront
- DynamoDB
- Cognito
- Supabase
AI / Data
- Amazon Bedrock
- Claude
- Gemini
- OpenSearch
- Scrapy
- Playwright
Process
How we work
The same team stays with you from the first conversation to operations.
- 1
Discovery
We listen to the problem, goals, budget range and deadline, and sort out together what is really needed. The first consultation is free.
- 2
Requirements and design
We narrow the scope and present screen, data and infrastructure design with a schedule and an estimate.
- 3
Build
We show working software in short cycles and adapt to changes along the way.
- 4
Test and release
Automated tests, performance and security checks, then production, with CI/CD in place.
- 5
Operate and improve
Monitoring and logging set up, then continuous improvement based on usage data. Maintenance contracts and advisory retainers are available.
FAQ
Frequently asked questions
Can we come to you with a small project or just a question?
Yes. Technology advice, improving an existing site, a few weeks of prototyping: we take on small engagements. Just get in touch.
How much does it cost?
It depends heavily on scope, so we give an estimate after the first conversation. We often recommend starting small and expanding in stages.
Can we work in English or Chinese?
Yes. We communicate in Japanese, English and Chinese, and work smoothly with overseas offices and international teams.
Do you handle operations and maintenance after delivery?
Yes. As a team that runs its own products, we offer ongoing support including monitoring, incident response and feature improvements.
We want to use AI but do not know where to start.
We look at where your team spends time or struggles with decisions, and identify where AI will help. We recommend a small proof of concept first to confirm the impact.
Let's talk about what you want to build.
An idea on a napkin or an existing system that needs work, both are welcome. Reach out in Japanese, English or Chinese.