EL

Eros Leonardi Pérez

Available to hire

I build custom web applications for business workflows, management dashboards and database-backed tools.

About

I build custom web applications for business workflows, management dashboards and database-backed tools. I focus on one-off, fixed-price projects with clear scope, milestones, source-code handover and practical documentation.

My reference project is Vinciati (Website not available. Sign in: https://www.twine.net/signup a loyalty platform for groups of establishments. It includes NFC/QR member identification, points and rewards, transaction history, multi-location administration, mobile-friendly interfaces and an offline operation queue with duplicate-prevention identifiers.

Stack: Next.js, React, TypeScript, PostgreSQL and Prisma. I communicate in Spanish and can prepare written proposals and project documentation in English.

  • Joined October 2026

More experts in Zaragoza, Spain

Projects · 1

Vinciati — NFC/QR Loyalty Web Platform

Vinciati is a custom loyalty web platform for groups of establishments. Public project: https://www.twine.net/signin Features include NFC/QR member identification, points and rewards, transaction history, multi-location administration and mobile-friendly interfaces. An offline operation queue uses identifiers to prevent duplicate operations. Stack: Next.js, React, TypeScript, PostgreSQL and Prisma. The project demonstrates custom database modelling, business rules, administrative workflows and responsive web application development.

  • Web Developer

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