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Senior Fullstack Developer (MERN Stack)

Remote from Spain·Full-time·Added 2 months ago

Still open when we checked on 8 Oct

AD4 Octógono

104 open roles

Overview

Job details

  • €30,000 - €45,000 a year

    Gross, as stated in the ad.

    About €1,930 - €2,720 a month after tax.

  • Full-time

    Per the ad.

  • Fully remote

    Per the ad.

Requirements

  • Have the right to work in Spain

    AD4 Octógono doesn't mention sponsorship in the ad.

  • Have 5+ years of experience

    Senior-level role.

Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

  • 5/6+ years of experience with MERN Stack (MongoDB, Express, React, Node.js)
  • Experience in REST API development
  • Proficiency in Git
  • Knowledge of the software development life cycle (deploys, logs, maintenance)
  • Ability to write clean, maintainable, and scalable code
  • Experience in debugging and resolving complex problems

Nice to have

  • English level B2 or higher

The role

At AD4 Octógono, we are hiring.

We are looking for a Senior Fullstack Developer (MERN Stack) 🚀💻

In an environment where code quality and efficiency make the difference, we are looking for senior profiles capable of building complete, robust, and scalable solutions, both in frontend and backend.

You will be part of an international technical team, participating in the design, development, and evolution of modern web applications, with a direct impact on product and business.

What you'll do

  • Design, architecture, and development of fullstack (MERN) applications
  • Development of REST APIs and management of integrations
  • Collaboration with international teams for the delivery of functionalities
  • Testing, maintenance, and optimization of applications
  • Active participation in the entire software development life cycle (SDLC)

How you'll work

  • Location: Madrid or Andalusia (other remote locations considered)
  • Modality: Hybrid / Remote
  • Salary: 30,000 € – 45,000 € (depending on experience)

👉 If you are a senior MERN profile and are looking for an environment where you can provide real end-to-end value, we are waiting for you!

🧠 Competencies

Autonomy, proactivity, teamwork, effective communication, and quality orientation

About AD4 Octógono

AD4 Octógono is a Spanish IT services company offering specialized consulting in IT and utilities. Its services include IT consulting, IT outsourcing, IT headhunting, cloud services, managed services, business intelligence, and outsourcing and headhunting for the utilities sector.

AD4 Octógono is the company within Grupo Audinfor specialized in outsourcing and IT solutions, aiming to support organizations in their digital transformation by providing talent, technology and methodology. The company describes itself as dynamic and growing, with continuous development programs for its employees and collaborative project work.

Good to know if you are moving

  • Many roles are offered as fully remote within Spain (e.g. 'Desarrollador/a Python Junior - REMOTO', 'Full Stack Developer – Java / Angular - REMOTO (ESPAÑA)').
  • Other roles are hybrid, based in cities such as Madrid, Sevilla, Bilbao, Málaga and Barcelona.
All open roles at AD4 Octógono
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Python Developer

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Support Technician

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Senior Java Developer - Remote

AD4 Octógono3d ago
€26k – €28kRemote from Spain

Junior Python Developer

AD4 Octógono3d ago
€20k – €24kRemote from Spain

Frontend Developer React/Vue

AD4 Octógono3d ago
€25k – €27kRemote from Spain
Remote from SpainNo Spanish needed
€28k – €34kRemote from SpainNo Spanish needed
€18k – €22kMadrid

Senior Java Developer

AD4 Octógono1w ago2 openings
€30k – €38kRemote from Spain

QA (Software Quality)

AD4 Octógono1w ago
€18k – €20kHybrid in Sevilla
See all 104 jobs