Open to new challenges

Hi, I'm

Ruben Delgado

Software Engineer

Granada, Spain

Software engineer focused on React and TypeScript.

Building product frontend at Nazaries Intelligence since 2022.

Software engineer

2022 – Present

Software engineer

Nazaries Intelligence

Working at Nazaries Intelligence from 2022 to the present, growing from internship to product-focused software engineer.

  • Built the ticketing platform for El Corte Inglés, including purchase flow, seat selection, PGP payment, and post-sale operations.
  • Delivered B2B dashboards for hotel and cruise spa operations with scheduling, resources, and service management.
  • Helped evolve the frontend architecture with CLEAN principles, stronger validation with Zod, and scalable state management with MobX.
React TypeScript MobX Zod CLEAN Vite Vitest

Projects

01 National ticketing

El Corte Inglés — Ticketing platform for musicals and theaters

Full redesign and rebuild of the national ticketing system following a provider change.

Key contributions

  • End-to-end purchase flow: calendar, zone/seat selection, PGP payment, thank you page.
  • Expert channels for employees across web, department stores, and travel agencies.
  • Self-service post-sale for ticket lookup, cancellations, and refunds.
React TypeScript Zod MobX
02 B2B dashboard

RTR / Real Time Services — Spa management for hotels and cruises

B2B SPA to manage spa services and operations in hotels, cruises, and similar environments.

Key contributions

  • Calendar-based scheduling with provider, room, and time filters.
  • Rooms, staff, materials, schedules, and service catalog management.
  • Took on responsibility beyond expected level; client explicitly requested the same team for a follow-up project.
React JavaScript
03 Complex dashboard

Innicia / Plataforma360 — Support platform for social organizations

EU and Community of Madrid-funded platform connecting NGOs and support organizations for vulnerable groups.

Key contributions

  • Multi-step forms for different request types and NGO submission flows.
  • Migrated from Formik to React Hook Form for better maintainability at scale.
React TypeScript React Hook Form Zod Inversify
04 Education product

Children's virtual library for Santillana

Digital product for children to read, listen to podcasts, audiobooks, and watch videos.

Key contributions

  • Main development with Vue.js and Nuxt; contributed with Angular and Node.js when needed.
  • Built reading-tracking logic and multi-format book consumption experience.
Vue.js Nuxt Angular Node.js