Full-stack GraphQL application built with Node.js, Next.js and PostgreSQL, including authentication and a modular backend architecture.
RESTful API developed with Spring Boot, including security, testing, and deployment.
API gateway implementation for microservices with authentication and rate limiting.
Complete full-stack application containerized and deployed on Kubernetes.
Designing and implementing scalable server-side solutions using Java/Spring and modern API architectures.
Creating efficient, secure, and well-documented APIs for seamless integration and communication.
Building resilient systems with microservices, event-driven architectures, and cloud-native technologies.
Managing cloud resources, deployment pipelines, and infrastructure as code with Kubernetes and cloud providers.
Developing responsive and interactive user interfaces with React, TypeScript, and modern web standards.
Optimizing data storage, querying, and performance with SQL and NoSQL databases like PostgreSQL and MongoDB.
Experimental AI-powered mini application for natural language processing tasks.
Interactive dashboard for data visualization and analytics.
SaaS invoicing platform for Spanish freelancers. Multi-platform app (web, iOS, Android, PWA) with VeriFactu–AEAT compliance, AI assistant and subscriptions.
Shopping cart e-commerce site for a curated tech product selection. Catalog with search & filters, cart management and responsive design.
Website for a Gijón film club — classics, cult cinema and conversation. Includes upcoming movie voting and an admin area.
Senior Full Stack Engineer with 20+ years building scalable, high-performance applications and technical leadership experience.
Architecting React 18 + TypeScript frontends and Java 25 + Spring Boot microservices
Migrating legacy systems to Kubernetes infrastructure and distributed architectures
Leading cross-functional teams and delivering solutions for enterprise clients across Europe
Passionate about distributed systems using Apache Kafka, RabbitMQ, and modern web technologies