At AUBAY, we are recruiting a Junior Data Engineer (with advanced English) in Barcelona.

We offer
the opportunity to join a continuously growing company and take part in innovative projects that will allow you to complete your training and enhance your skills. At Aubay, we are a digital services multinational founded in 1998, currently experiencing strong growth.
Develop and maintain data integration and transformation processes using Python.
Design and optimize queries and data structures in SQL and PostgreSQL.
Implement and support data solutions on AWS.
Develop serverless functions using AWS Lambda.
Manage data in services such as Amazon S3 and DynamoDB.
Participate in deployments and automation using GitHub and GitLab repositories.
Collaborate with development, architecture, and business teams to ensure data quality.
Monitor applications and services using Prometheus.
Prepare technical documentation and apply development best practices.
Participate in the design, development, and maintenance of Data Lake solutions for storing and exploiting data.
Develop and optimize ELT processes and data models using dbt (Data Build Tool).
Manage and exploit data in Snowflake environments, ensuring the performance, quality, and governance of information.
Create and maintain reports, dashboards,



and Business Intelligence solutions with MicroStrategy.
ADVANCED ENGLISH level
- International project.
Knowledge of Python applied to data handling and processing.
Knowledge of AWS services, especially: ECS, DMS, API Gateway, Lambda, and S3.
Proficiency in GitLab and/or GitHub.
Knowledge of Artificial Intelligence, for example Claude (Agents, etc.).Будет плюсом: Use of Visual Studio Code (VS Code); Basic knowledge of monitoring with Prometheus; Knowledge of DynamoDB; Knowledge of SQL; Familiarity with Agile methodologies (Scrum/Kanban); Knowledge of Docker and containers; Experience or knowledge in Data Lake architectures; Knowledge of Snowflake for managing and exploiting data in the cloud; Experience with dbt (Data Build Tool) for developing data transformations and models; Knowledge of MicroStrategy for creating reports, dashboards, and Business Intelligence solutions; A 33% disability certificate will be positively valuedWe offer the opportunity to join a continuously growing company and take part in innovative projects that will allow you to complete your training and enhance your skills. We value commitment and dedication in the work carried out.

📌 Data engineer in business intelligence (Barcelona)
🏢 Aubay Spain
📍 Barcelona