About Mario Celzo | Contra Mario Celzo

Mario Celzo

Mario Celzo

Studente presso Università degli Studi di Salerno

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Salerno, Italy

Salerno, Italy

Meet Mario

Web & Mobile Developer. I turn ideas into fast, accessible, easy-to-maintain sites and web apps. Stack: React/Next.js, TypeScript, Tailwind, Firebase/Supabase, Node, PostgreSQL. I build high-converting landings, dashboards with auth/CRUD, lightweight CMS and APIs. Iterative delivery, Vercel deploys. Let’s ship your MVP.

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Rate

$25 - $50/hr

Skills and tools

Frontend Engineer React Native Developer Mobile Engineer Mobile Designer Web Developer Web Designer

Details

Salerno, Italy

Fluent in Italian and English

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Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Challenges Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Contact

Contact support

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