Software Engineer with 3+ years of experience building production web applications using React and TypeScript. Delivered enterprise features for clients including El Corte Inglés (Spain) and a US-based SP&A management company, with a strong foundation in clean and hexagonal architecture, component testing, and real-time systems. Computer Science B.S. graduate from the University of Granada (2024). Currently working in a digital consultancy delivering international web platforms, and seeking frontend/full-stack product-focused roles.

Rubén Delgado Pareja

Software Engineer with 3+ years of experience building production web applications using React and TypeScript. Delivered enterprise features for clients including El Corte Inglés (Spain) and a US-based SP&A management company, with a strong foundation in clean and hexagonal architecture, component testing, and real-time systems. Computer Science B.S. graduate from the University of Granada (2024). Currently working in a digital consultancy delivering international web platforms, and seeking frontend/full-stack product-focused roles.

Available to hire

Software Engineer with 3+ years of experience building production web applications using React and TypeScript. Delivered enterprise features for clients including El Corte Inglés (Spain) and a US-based SP&A management company, with a strong foundation in clean and hexagonal architecture, component testing, and real-time systems.

Computer Science B.S. graduate from the University of Granada (2024). Currently working in a digital consultancy delivering international web platforms, and seeking frontend/full-stack product-focused roles.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Beginner
Beginner

Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Software Engineer at SP&A Chain ERP (US client)
January 1, 2023 - January 1, 2024
Developed core modules of a distributed ERP for a US-based supply chain (rooms, materials, resources, suppliers) in a distributed team (~7 engineers across Spain and beyond) using React and TypeScript. Owned end-to-end delivery of a scheduling module: built interactive calendars supporting event creation, employee assignment, and real-time subscription to scheduling changes via WebSockets. Worked closely with US stakeholders in daily stand-ups and refinement sessions, translating product requirements into technical specifications.
Software Engineer at Nazaríes Intelligenia
July 1, 2022 - Present
Digital consultancy delivering web platforms for international clients. Worked on El Corte Inglés — theatre booking platform covering multiple theaters and concurrent shows. Built a customer-facing booking platform with React, TypeScript, and Vite. Implemented interactive seat selection UI with real-time seat availability checks, handling date/show/seat state across a multi-step reservation flow. Optimized backend requests for the seat-availability service to reduce redundant calls and improve responsiveness during peak traffic. Wrote component and integration tests with Vitest to protect critical booking flows and prevent regressions in production releases. Collaborated in a cross-functional team of 6 engineers.
Software Engineer (Web Applications)
January 1, 2022 - January 1, 2023
Built multiple web applications using React, Vue.js, and Angular. Applied clean architecture and hexagonal patterns to decouple business logic from frameworks. Implemented component-level tests with Jest and Vitest across projects to improve confidence, maintain cross-browser behavior, and reduce regressions.

Education

B.S. in Computer Science (Ingeniería Informática) at University of Granada (UGR)
January 1, 2018 - January 1, 2024

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Retail