SERVICES

How you can
work with us.

ROSEMENE offers the experience gained from our own products and international ventures to partners — for new ventures, AI products, web and mobile development, UI/UX and cross-border work.

AIプロダクト開発
AI Product Development

AI-first products from concept to working prototype — multi-model orchestration, agent design, retrieval, evaluation.

Scope
  • AI-enabled service planning
  • AI assistants / voice AI
  • Multi-model orchestration
  • AI for existing services
  • MVP / prototype
Deliverables
  • ·Requirements
  • ·Experience design
  • ·UI prototype
  • ·Working MVP
  • ·Integration design
  • ·Validation report
ROSEMENE's role

End-to-end direction from concept to MVP for AI-enabled products.

Web / モバイル開発
Web & Mobile Development

React / TypeScript / Supabase / Capacitor. Web, PWA, iOS. Built to feel considered on real devices.

Scope
  • Marketing sites
  • SaaS front-ends
  • iOS applications
  • PWA / responsive apps
Deliverables
  • ·Design system
  • ·Production build
  • ·Deployment setup
  • ·Analytics wiring
ROSEMENE's role

Lead design, build, deployment and initial operation.

プロダクト戦略・ディレクション
Product Strategy & Direction

Vision, positioning, product architecture and roadmap for new ventures and internal transformations.

Scope
  • Vision to launch
  • Positioning & brand direction
  • Product architecture
  • Executive support
Deliverables
  • ·Vision document
  • ·Product roadmap
  • ·Positioning brief
  • ·Milestone plan
ROSEMENE's role

Translate between leadership and delivery — clarifying direction and priorities.

UI/UX・音声UX
UI/UX and Voice UX

Information design, premium interfaces, voice-first flows and design systems in JP / EN / FR.

Scope
  • Design systems
  • Interaction design
  • Voice UX / agent flows
  • Multilingual copy (JP/EN/FR)
Deliverables
  • ·Prototype
  • ·Design system
  • ·Voice flow specification
  • ·Localized copy
ROSEMENE's role

Own information architecture, experience design and brand tone.

国際事業開発
International Business Development

Japan–Africa venture design, cross-border coordination, partnership setup and market research.

Scope
  • Japan ↔ Africa venture design
  • Local partner coordination
  • Market and context research
  • Partnership design
Deliverables
  • ·Feasibility notes
  • ·Partnership map
  • ·Engagement plan
  • ·Field coordination
ROSEMENE's role

Concept, on-the-ground coordination and venture design. Legal, tax and customs are handled with specialised partners.

貿易・鉱業・資源プロジェクト
Trade, Mining & Resources Projects

Project design and digitisation support around trade, mining and mineral resources, with traceability in mind.

Scope
  • Trade project design
  • Mining / resources project planning
  • Digitisation & traceability concepts
  • International coordination
Deliverables
  • ·Project brief
  • ·Traceability concept
  • ·Operational workflow
  • ·Stakeholder alignment
ROSEMENE's role

Project design and digitisation concept. Assay, customs and finance are handled with specialised partners.

Fees are proposed individually based on scope, size and duration. ROSEMENE is not a licensed legal, tax, financial, assay or customs practice — we provide venture design, coordination and product support, working alongside qualified specialists where needed.
How we work

A four-step engagement.

01
Listen
対話

Understand the intent, the users and the context.

02
Design
設計

Product direction, architecture, UX, scope.

03
Build
実装

Development in short cycles with real usability.

04
Sustain
運用

Iteration, measurement and ongoing partnership.