Description

I’m a passionate Front-End Developer with a strong foundation in React, Redux, and modern web architecture, thriving on building robust, scalable, and elegant user experiences. With a unique blend of business acumen and technical prowess, I’ve led full-cycle projects for fintech, blockchain, and AI platforms. From creating polished UI under Agile environments to deploying intelligent systems powered by SSE and Kafka, I bring both design sensi- tivity and engineering discipline to every line of code. Let’s build the future—beautifully and efficiently.

Industry field of expertise

Languages

Spanish
Native or bilingual
English
Fluent
Galician
Native or bilingual
Portuguese
Conversational

Workplace preferences

Can work on-site

Barcelona (up to 50km)

Securitas Direct,
Front End Developer
January 2024 - Today (2 years and 6 months)
Barcelona, Spain
Engineered a comprehensive web-based security system management platform for Verisure, enabling customers to monitor and control smart home security devices in real-time, based on React through a gateway connecting to several microservices.
• · GraphQL gateway using Apollo Client with HTTP/WebSocket transport layer for queries, mutations, and real-time subscriptions.
• · Implemented Apollo Link middleware chain handling authentication, OTP verifica- tion, session management, and error handling.
• · Built Redux-based state management system with persistent storage using re- dux-persist and cookie-based session handling.
◦ · Developed 40+ React components and views including alarm control, camera streaming, smart lock management, emergency, and user administration.
◦ · Integrated Firebase for feature flags and remote configuration management
◦ · Implemented comprehensive internationalization (i18n) supporting multiple locales with react18n. . Analytics KPIs on the whole project for data teams and business.
React.js Storybook Design System GraphQL redux
Weekendesk,
Front End Developer
January 2022 - December 2023 (1 year and 11 months)
Barcelona, Spain
Production-grade e-commerce booking platform specializing in weekend hotel stays and short breaks across 6 European markets. Features server-side rendering, multi-locale support, complex booking flows with integrated payments, and advanced search capabilities powered by Al-driven recommendations.
• · Production e-commerce platform with React 17/TypeScript and SSR, serving 6 European markets across 5 TLDs with 4 AWS instances handling high-traffic booking operations. . Built isomorphic rendering system with Redux Toolkit and custom middleware chain, routing, payments, and content delivery. achieving sub-3s page loads and 95+ Lighthouse scores through advanced code-split- ting and PWA implementation.
• · Integrated 10+ payment providers (Dalenys PCI-DSS, Pledg BNPL, PayPal, IDEAL
React.js SSR Material UI AWS SEO
AndBank,
Front End Developer
January 2020 - December 2020 (11 months)
Barcelona, Spain
Enterprise-grade frontend platform for banking and financial SPAs, focused on reusable architecture, design systems, and secure authentication flows. Delivered scalable UI and core libraries consumed across multiple internal products. . Built dual-library ecosystem: architecture foundation + UI component catalog for banking SPAs.
• · Arch Lib: TypeScript, OAuth 2.0/PKCE, Axios, Winston, i18next (Auth, API, i18n modules, 80% coverage.
• · Component Catalog: React, Material-UI v4, Storybook, 13 components (Atomic Design), CSS-in-JS, Plop scaffolding.
◦ · Tech: Webpack 4, Jest 26, ESLint, TypeScript 3.9, UMD builds, npm packages.
◦ · CI/CD: Jenkins/OpenShift [ SonarQube & Nexus with automated pipeline.
◦ · Patterns: Mediator, Facade, Dependency Injection, Strategy. . Auto token refresh, type-safe APIs, responsive design, containerized deployment.
React.js Docker Storybook Material UI Desarrollo Front-End