About WEUS
The future of intelligent software development.
Builders, first.
We believe the future of business is powered by intelligent, efficient, well-crafted software. We're a team of seasoned AI and software engineering experts dedicated to transforming your vision into high-quality, AI-powered reality — founded by builders with deep, practical backgrounds.
Smarter decisions, smarter software.
We build software that empowers smarter decisions by seamlessly integrating advanced AI into real-world operations. Not just developers — innovators creating solutions that are robust, scalable, cost-effective, and delivered with precision.
We practice what we preach.
We've built proprietary internal AI agents and tooling that revolutionize our development process, letting us:
Drastically reduce development time
Our AI agents automate repetitive tasks, generate high-quality code, and assist with debugging for far faster completion.
Ensure superior quality
AI-assisted testing and validation mean fewer errors, more robust code, and a higher-quality output for your business.
Deliver significant savings
By augmenting human experts with AI, we cut manual effort and time — and pass those efficiencies on to you.
A potential cost reduction of 40–70% versus traditional development models — without ever compromising on innovation or excellence.
Meet our founders.
Toshihiro Roppongi
Co-Founder & CEO
With a background in management consulting at L.E.K. and technical leadership at Google, Toshihiro specializes in real-time automation and scalable AI tools that solve real business problems. He drives our technical vision.
Nobuhiro Roppongi
Co-Founder & CTO / CAIO
Nobuhiro brings deep operations and product management experience from top tech firms. He's passionate about translating complex technology into practical, accessible, user-friendly products.
Building the future, today.
A comprehensive suite of services designed to turn your data into a strategic asset and embed intelligence into your software.
AI Tool Development
- Custom Gemini/OpenAI agents
- Prompt-engineering pipelines for intelligent automation
Automation & Workflow Engineering
- Google App Script automation
- Email triggers, PDF generation
- Internal tool customization
Data Engineering & API Integration
- Robust API integrations (YouTube, Ads)
- Cloud-based transcription pipelines
- OCR and text analytics
Web App & Dashboard Development
- Intuitive web apps (Streamlit, Flask)
- Dynamic Looker Studio dashboards
- Secure AWS/GCP backend integration
Ready to transform your software development?
We're here to help you unlock superior value and achieve your strategic goals.
