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# Frontend Engineer

- **Company:** Número De
- **Location:** Orihuela, Spain
- **Contract:** Permanent contract
- **Skills:** HTML, Artificial Intelligence, Cascading Style Sheets (CSS), Cloud Computing, PostgreSQL, Node.Js, Next.js, TypeScript, Web Applications, ReactJS, Cypress (Programming Language), Material UI, Playwright, Front End Software Development
- **Published:** July 14, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ Minimum 5 years of frontend experience building and shipping production web applications
 + Strong React and modern TypeScript, with solid HTML, CSS and SCSS fundamentals
 + You have built platforms or web apps that made a product better
 + Comfortable building with AI coding tools such as Claude in daily work
 + Autonomous and pragmatic, you know when to ship and when to refine
 + Good eye for clean usable interfaces with a practical UX focus
 + Fluent English, strong communication is required
Nice to have (but not required)

 + Some full stack comfort with Node and Postgres
 + Experience with component libraries or design systems
 + Experience with frontend testing (Cypress, Playwright or similar)
 + Experience at an early-stage startup
Tech stack (current environment)

 + TypeScript, React, Next.js, Node, Postgres and cloud infrastructure, with AI tools used across the stack

## Description

The product is a modern lead generation CRM that combines prospecting, a multichannel inbox, pipeline management and an AI sales agent in one place. It already has paying customers across 15 countries from its closed beta and is weeks away from public launch. You will build and ship new features across the frontend, take ownership of your work end to end and have a direct line from your code to what users experience. You will work closely with the client team and our engineers in Alicante.
Responsibilities

 + Build and ship new features across the frontend, mostly in React and Next.js
 + Take ownership of your work from idea through to live, then keep improving it
 + Use AI coding tools such as Claude in your day to day to move fast without dropping quality
 + Keep the UI clean and usable with attention to the details users feel
 + Collaborate with the client team, assess technical impact and keep changes safe
 + Stay close to how real users work so the product fits their reality


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