Nice to meet you! đź‘‹
I'm Cristian.
React
TypeScript
Redux
Next.js
Node.js
Express.js
TailwindCSS
MaterialUI
React Query
Senior Frontend Developer @ Etéreo
March 2023 - Present
Madrid
- Built Nx micro‑frontends with React 18, TypeScript, React Query & Material UI.
- Created Java Vert.x BFF endpoints to shield and simplify APIs.
- Migrated tests to Vitest and sped up CI for the team.
Senior Frontend Developer @ Cognizant
January 2022 - March 2023
Madrid / Remote
- Inditex (6 mo.) Led the MVP of a new internal web tool with React, Redux, SWR, Jest + Cypress.
- Sanofi (8 mo.) Promoted to Front-End Tech Lead; introduced React 18 with Zustand and React Query and guided the team in adopting component-driven development.
Frontend Developer @ Quality Digital
August 2020 - January 2022
Barcelona
- Built e‑commerce storefronts from scratch with React & TypeScript.
- Published private npm packages to share UI components across projects.
- Provided technical solutions and support to clients across Europe.
Frontend Developer @ Walmeric
August 2019 - August 2020
Madrid
- Migrated landing pages to JAMstack (Gatsby.js) for faster load and better SEO.
- Integrated Walmeric SDKs and documented setups for client teams.
- Resolved customer incidents and maintained marketing integrations.
Junior Frontend Developer @ KPIBAR
August 2018 - August 2019
Madrid
- Developed and maintained dashboard components with TypeScript and React Hooks.
- Implemented designs using Bootstrap and Ant Design with SASS styling.
- Added real‑time KPI updates via WebSockets and supported Kanban delivery.
2025-04-20
Launching HipoCal — A Simple Mortgage Calculator for Spain
The first project of my 12-in-12 challenge is live. HipoCal helps users in Spain simulate their mortgage with clarity and ease.
Read More2025-05-13
Project 2 of 12: Freelance en Dubái — A Service to Help Freelancers Relocate with Confidence
My second project is live: a consulting service that helps Spanish-speaking freelancers move to Dubai with ease.
Read More14 Inch M3 MacBook Pro
My main machine for development. Such a beast of a machine. I love it.
Asus ZenScreen 15.6 Inch LED IPS FullHD
A portable monitor that accompanies me on the go. Perfect for adding a second screen to my setup while traveling. Ideal for my nomadic coding lifestyle.
Keychron K1 Pro
My mechanical keyboard. I love the clicky keys with brown switches and its compact size.
Magic Trackpad
My trackpad for development. I love the gestures and how it integrates with macOS. It makes my workflow so much faster. Plus, you don't lose the gestures that macOS offers with it.
Working remotely while exploring the world's most fascinating places. Each destination shapes my perspective as a developer and digital nomad.
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