Description

Senior Full Stack Engineer with 10+ years of experience building scalable web platforms, AI-powered

products, and operational systems across aviation, healthcare, media, and e-commerce.

Specialized in modern React/Next.js ecosystems, TypeScript, backend architecture with Node.js and Python,

and AI integrations using AWS Bedrock, LangGraph, and real-time conversational systems. Focused on

product quality, developer experience, performance, and scalable frontend/backend architecture.

Languages

Spanish
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Barcelona (up to 50km)

Cuatro/Mediaset
Lead Full Stack Developer
E-COMMERCE
June 2025 - February 2026 (8 months)
Barcelona, Spain
I led the development, creation, and complete design of the website Evaluación de Contenidos
modernizing an obsolete legacy platform by rebuilding it from scratch with scalable frontend and
backend technologies.
● I implemented a full stack architecture using Next.js 15 and React 19 for the frontend, along with
Postgres and Prisma for the backend, improving loading speed by 40% and facilitating efficient
management of audiovisual content.
● I designed an intuitive and responsive interface with TypeScript, Shadcn, React Query, and Tailwind
CSS, optimizing the user experience for multimedia content evaluations, which increased usability
and reduced interaction time by 25%.
● I configured the deployment and hosting at Arsys with Plesk, ensuring high availability and security
for a high-traffic site related to television production.
● I collaborated with the Cuatro team to integrate customized workflows, such as content evaluation
tools, resulting in a more agile platform aligned with Mediaset España standards.
● Utilized modern frontend tools, including TypeScript, Shadcn, React Query, and Tailwind CSS, to
build a responsive and intuitive user interface.
● Tools and technologies:
Nextjs Typescript PrismaORM React.js MySQL/MariaDB
IAG/IAGGBS
Lead Full Stack Developer
AVIATION AND AEROSPACE
April 2025 - April 2026 (1 year)
Barcelona, Spain
Developed a high-performance chat application leveraging Next.js 15 and React 19, integrating the
Vercel AI SDK to enable real-time, AI-driven interactions, improving user engagement by 30%.
● Designed and implemented a scalable backend architecture using Python FastAPI and Postgres,
optimizing API response times by 25% through efficient query design and caching strategies.
● Created and maintained comprehensive unit and end-to-end tests for frontend and backend, ensuring
robust integrations across the chat application and AWS services.
● Integrated AWS event-driven services to enhance the chat application's scalability and real-time
capabilities, streamlining notification delivery.
● Developed the Notifications integration for the whole DPX.
● Utilized modern frontend tools, including TypeScript, Shadcn, React Query, and Tailwind CSS, to
build a responsive and intuitive user interface.
● Tools and technologies: Next.js 15, React 19, TypeScript, Vercel AI SDK, Python, FastAPI, Postgres,
AWS, Shadcn, React Query, Tailwind CSS.
Nextjs Amazon Web Services (AWS) Typescript Vercel SDK Python
IBERIA
Lead Full Stack Developer
AVIATION AND AEROSPACE
November 2023 - April 2025 (1 year and 5 months)
Barcelona, Spain
• Introduced visual and performance enhancements for the TAM tool.
• Developed the AMOS integration update.
• Created and updated unit tests and E2E for TAM, BRS, AMOS and GATEWAY integrations. Priority backends for IBERIA's DPX (Digital Platform eXperience).
• Develop TAM integration with AWS DPX event bridge.
• I have optimized the loading time of the TAM module by 40% by completely restructuring the architecture and replacing the libraries used.
• Use the following tools: React 18 + Nestjs(CQRS) + Typescript + Tailwind CSS, Formik, Tanstack/ React-Query, GraphQL + Cypress + Docker + Kafka + AWS.