Freelancer profile translated to English.

Description

Web and Mobile Developer in Strasbourg

👋 Hello, I'm Valerio Castelli, a full-stack developer specializing in TypeScript, with a focus on web, mobile, and SaaS applications.

I help entrepreneurs, startups, and product teams in the creation and continuous improvement of their applications, from the initial idea to a stable, used, and scalable product.

My Mission

To help project owners (often non-tech) transform an idea or an existing product into a clear, reliable, and usable MVP, without unnecessary complexity.

👉 Web & Mobile App Development

👉 Market Validation Focused MVP Creation

👉 Dashboards, Back-offices, Internal Tools & B2B Platforms

👉 Automations & Workflows (n8n, AI)

👉 Technical Audit and Improvement of Existing Products

My Methodology

1️⃣ First Contact: Thorough understanding of needs and objectives

2️⃣ Scoping: Prioritization of essential features and appropriate technical choices

3️⃣ Development & Launch: Product delivery and post-launch support

➡️ You are guided at every step, with a clear view of progress.

Some Projects

**Chiptune**: All-in-one platform for automotive reprogramming professionals

**Chia**: AI Mobile App to track calories with a simple photo

**CollabQG**: AI Assistant helping influencers collaborate at the right price

**Lavicon (sold)**: AI tool for generating animated, custom 3D icons

-> + 150 icons generated,tested by Microsoft designers

Disglow (sold)**: AI tool for generating Discord servers **-> + 1000 servers generated

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By working with me, you have a committed, product-oriented, and results-driven developer by your side.

📩 Available to discuss your project.

Response guaranteed within 24 hours.

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational
Italian
Conversational

Workplace preferences

Can work on-site

Strasbourg (up to 50km), Soultz-Haut-Rhin (up to 50km), Bordeaux (up to 50km), Paris (up to 50km), Colmar (up to 50km)

Beva
Fullstack Web Developer
SOFTWARE PUBLISHING
June 2024 - Today (2 years and 2 months)
Strasbourg, France
Service provision on various types of missions:
- Showcase websites
- Web and mobile applications
- SaaS
- Automations, scripts
- Custom requests
Project Management MVP SAAS Product Design UI/UX Design
Lavicon
Co-founder
May 2025 - August 2025 (3 months)
Strasbourg, France
Lavicon offers:
- Intelligent icon generation in seconds (GIF, WebM, sprite sheet).
- Export with transparent background, for web and mobile integration.
- Creation of React & React Native components from animations.
- Easy customization of style, shape, and movement via prompt.
Typescript Web Application Next.js Artificial Intelligence
Disglow
Co-founder
May 2025 - November 2025 (6 months)
Strasbourg, France
Designed for community creators (gaming, education, content...), Disglow simplifies the setup of complete servers without wasting time on technical configurations.

In 2 months: +160 users, +180 servers generated, 26% signup rate — all without advertising.