Job title: Full-Stack Engineer
Job type: Permanent
Emp type: Full-time
Industry: Computer Software
Salary from: €45,000.00 EUR
Salary to: €55,000.00 EUR
Location: Zaragoza (Spain)
Job published: 06-02-2026
Job ID: 36972

Job Description

Job Brief:

We are looking for a Full-Stack Engineer to join a Series B multinational, with offices in Spain, on a fixed-term contract with the possibility of renewal.  

 

Responsibilities:

  • Design, build, and maintain full-stack applications across front-end and back-end components.
  • Develop responsive, user-friendly interfaces using React or Next.js with TypeScript.
  • Implement and maintain back-end services in Python using frameworks such as FastAPI or Django.
  • Design clean, scalable APIs and data models, ensuring seamless integration between front-end and back-end systems.
  • Build and evolve data-intensive dashboards, internal tools, and experiment-tracking interfaces.
  • Manage and optimize SQL databases, containerized environments (Docker), and CI/CD pipelines.
  • Deploy, monitor, and maintain applications in cloud environments, primarily on AWS.
  • Collaborate closely with researchers and product managers to translate exploratory workflows into robust, production-ready tools with real user impact.

 

Requirements & Skills:

  • Hands-on experience (approximately 2–5 years) developing full-stack applications.
  • Strong command of modern front-end technologies, including React or Next.js with TypeScript.
  • Back-end development experience using Python frameworks such as FastAPI or Django.
  • Proven ability to design and integrate APIs, with a solid grasp of data modeling and system architecture.
  • Experience delivering data-heavy interfaces, internal tools, or experiment-driven dashboards.
  • Familiarity with SQL databases, Docker-based workflows, and automated CI/CD processes.
  • Exposure to cloud infrastructure and deployment, particularly within AWS environments.
  • Product-oriented mindset, comfortable partnering with researchers and product managers to turn exploratory ideas into reliable, production-ready solutions.

 

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