Freelancer profile translated to English.

Description

I design and develop complete digital products: web applications (Next.js, React, TypeScript) and mobile (React Native / Expo).

My approach: go fast from idea to functional product. I manage the entire chain — architecture, frontend and backend development, database, authentication, deployment.

What I deliver concretely:

- High-performance web applications with Next.js (App Router), React, TypeScript, and Tailwind CSS

- iOS and Android mobile applications with React Native / Expo

- Backend and database with Supabase (auth, storage, API)

- Integration of third-party APIs and AI (Claude, OpenAI)

- Deployment on Vercel, Stripe/LemonSqueezy configuration for payments

Production projects:

- MatchAudit: web platform for audit and matching (Next.js, Supabase)

- NinjaKana: Japanese learning mobile application, available on the App Store (React Native, Expo)

I work in French and English. Based in Geneva, available remotely.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

MatchAudit
Fullstack Developer - Founder
CONSULTING AND AUDITS
December 2025 - Today (8 months)
Genève, Switzerland
Design and complete development of a web platform for audit and matching.

- Architecture and frontend development with Next.js (App Router), React, TypeScript, and Tailwind CSS
- Backend and database with Supabase (authentication, storage, real-time API)
- Integration of AI (Anthropic Claude) for data analysis and processing
- Deployment and production launch on Vercel
- Complete project management: UI design, development, testing, deployment.
Next.js TailwindCSS Typescript React.js External API Integration
NinjaKana
Mobile Developer - Founder
EDUCATION AND E-LEARNING
October 2025 - Today (10 months)
Genève, Switzerland
Design and development of a Japanese learning mobile application, published on the App Store.

- Cross-platform mobile development with React Native and Expo (SDK 54+)
- Spaced Repetition System (SRS) for learning hiragana and katakana
- Intuitive user interface designed for beginners
- RevenueCat integration for in-app purchases
- Build and publication via EAS Build / EAS Submit
- Available on iOS, soon on the Play Store.
React Native Mobile App Deployment React.js External API Integration Typescript

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Salomon Dosso

Fullstack Developer Next.js / React

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