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Senior Data Engineer

Madrid (Hybrid), Madrid (Remote)
Full-time
Permanent employee
45,000 - 60,000 € per year

Your mission

You will work on different projects to help Astrafy customers get the most out of their data. 

You will work on both the business and technical sides of customer use cases. Importantly, you will be onboarded with a clear trajectory as a Team Leader, where you will progressively take charge of mentoring, guiding, and managing a dedicated squad of 5 team members as we scale. 

Your core responsibilities will include:

  • Team Leadership & Growth: Step into a team leader role, progressively taking charge of 5 team members. You will act as their mentor, foster their technical growth, and ensure high-quality project delivery.

  • Pipeline Design & Maintenance: Design and maintain scalable data pipelines leveraging technologies such as Airflow, dbt, BigQuery, Pubsub, and other Google Cloud / Open Source tools, ensuring efficient and reliable data ingestion, transformation, and delivery.

  • Cloud Infrastructure Optimization: Develop and optimize data infrastructure in the Google Cloud environment, implementing best practices for performance, cost, and security.

  • Infrastructure as Code: Use Terraform to automate infrastructure provisioning and manage containerized workloads, promoting agility and repeatability across environments.

  • Data Governance & Quality: Implement robust data governance, security, and quality measures, ensuring accuracy, consistency, and compliance throughout the data lifecycle.

  • Architecture Evolution: Continuously refine data architecture to accommodate changing business needs, scaling solutions to handle increased data volume and complexity.

  • Innovation & Best Practices: Champion a culture of innovation by researching, evaluating, and recommending emerging data technologies and industry best practices.

If you don't check every box, don't worry. No one knows everything, but we expect a great motivation to learn, take ownership, and become part of a supportive team. At Astrafy, everyone is learning and teaching others every day in their role.

Your profile

  • Technical Expertise: Deep knowledge and hands-on experience with the modern data stack tools mentioned above (or similar ones) is highly valued.  

  • Leadership & People Skills: A strong motivation or proven capability to step into a leadership position. You are ready to progressively take charge of 5 team members, guiding their workflows and supporting their career progression.  

  • Continuous Learning: Curiosity to stay updated on emerging data technologies, practices, and frameworks, and a passion for sharing knowledge across the organization.  

  • Team Player: Strong communication and collaboration skills, with the ability to work effectively within cross-functional environments to deliver impactful, high-craftsmanship data solutions.

  • Languages: You speak English & Spanish fluently. A working knowledge of French is a definitive plus.

Why us?



About us

At Astrafy, we are on a mission to empower every individual with a truthful vision of reality. By acting as a seamless extension of our clients' Data & AI departments, we engineer the robust foundations required to strip away bias and replace guesswork with certainty. 

We prioritize true craftsmanship over generic consulting, bringing strict software engineering rigor to the rapidly evolving data and Generative AI landscape. 

Ultimately, we don't just build technology—we democratize insights, enabling organizations to make confident, fact-driven decisions that unlock their highest potential.