Intermediate Data Engineer

About the role

We are looking for Intermediate Data Engineer profiles to join directly a major multinational in the defense sector, participating in technological projects in Barcelona related to data engineering, Big Data, and cloud architectures.

📍 Location: Carrer de Roc Boronat, 133. Barcelona

💻 Modality: Hybrid

🧩 Vacancies: 4 positions

📄 Direct hiring with the end client

What you'll do

• Design and maintain robust and scalable data pipelines.
• Implement ingestion, transformation, and loading processes.
• Ensure data quality, consistency, and traceability.
• Monitor performance and optimize processing times.
• Collaborate with data architects and BI and AI teams.
• Document data flows and technical dependencies.
• Participate in automation and CI/CD deployments of pipelines.

What we're looking for

• Experience in the design and implementation of ETL and ELT pipelines.
• Advanced proficiency in SQL and manipulation of large volumes of data.
• Experience with data-oriented languages such as Python, Scala, or Java.
• Experience with orchestration tools and data flows such as Airflow, NiFi, or Prefect.
• Knowledge of relational and NoSQL databases.
• Understanding of data formats such as JSON, Parquet, Avro, or CSV.
• Experience in data quality control and automated validations.
• Minimum English level B2.

Nice to have

• Experience in Big Data environments with Spark, Hadoop, or Flink.
• Knowledge of Data Lake and Data Warehouse architectures.
• Experience in cloud platforms such as Azure, AWS, or GCP.
• Knowledge of data streaming with Kafka, Kinesis, or Pub/Sub.
• Familiarity with containers and Kubernetes.
• Basic knowledge of data governance and metadata.
• Certifications in ETL or Big Data tools.
• C1 level of English.

Education & certifications

• Degree in Computer Science, Software Engineering, Mathematics, Statistics, or similar.
• We value specific training in Big Data or Data Engineering.

About the company & team

If you are looking to join an international company with high-level technological projects in the defense sector, we want to meet you.

We are looking for people with:

• Logical thinking and orientation toward efficiency.
• Analytical skills and problem-solving ability.
• Organization and technical documentation.
• Teamwork with analysts, data scientists, and architects.
• Proactivity and continuous learning.