About the role We’re building a delivery centre in Valencia to serve its international client projects. We are looking for an experienced full stack developer who knows how to get the most out of modern tooling and AI to ship faster without giving up on quality. You will work on strategic client projects, with real ownership over what you build.

The projects run over several years, so this is not a short engagement, and you would be one of the first developers in a team that is still being shaped.

Contract type Permanent or freelance, depending on what suits you. Starting freelance and ending in permanent contract can be an option.

Your missions

Build and maintain high performance web applications with React, Next.js and Node.js

Design and develop the APIs and services behind them

Use and integrate AI tools such as GitHub Copilot, Claude and ChatGPT to accelerate development and documentation

Automate the repetitive work: testing, CI/CD, monitoring

Work on modern architectures: microservices, APIs, cloud on AWS, Azure or GCP

Own the quality and the security of what you ship

Work closely with the product, design and architecture teams

Your profile





5 years or more of full stack development experience

Excellent command of React and Next.js

Solid back-end experience with Node.js, and ideally a second mainstream ecosystem such as Java and Spring Boot or Python

Real DevOps culture: CI/CD, containerisation with Docker, exposure to Kubernetes

Genuine curiosity and hands-on practice with generative AI and automation tools

Pragmatic, delivery-focused, and serious about clean code

Good communication, comfortable working inside a team rather than beside it

Professional English is required. Nice to have: french.

Based in Valencia (Hybrid), or ready to relocate there. This role is not open to full remote.

Nice to have

TypeScript

Java and Spring Boot, or Python

Cloud experience, AWS or equivalent

Data pipelines

SaaS or business critical applications

Practical details

Location Valencia, Spain. Candidates elsewhere in Spain, Portugal or France are welcome provided they are ready to move to Valencia.

On site (hybrid)

Start As soon as possible

Duration: Long term, projects planned over at least two years

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📌 Senior Full Stack Developer - React, Next.js and Node.js (Madrid)
🏢 Óscala
📍 Madrid