Senior Data Engineer – GCP, BigQuery & ETL Architect

Aubay Portugal; Lisboa; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Health insurance

Mental health platform

Team events

Career progression

Language courses

Hybrid work model

Office visits

Job summary

Aubay Portugal is seeking a Senior Data Engineer to design and implement data migration strategies from SQL Server to Google Cloud Platform, and to build robust ETL/ELT pipelines on BigQuery.

You will optimize SQL queries, develop Python scripts, and collaborate with business teams to ensure reliable, scalable data platforms and cost-efficient cloud operations in a hybrid Porto/Lisbon setup.

Qualifications

• 6+ years of experience as a Data Engineer with cloud focus.
• Strong GCP proficiency including BigQuery, performance tuning and cost management.
• Experience with Google Cloud Composer for DAGs and orchestration.

Responsibilities

• Participate in design and execution of data and ETL migration from SQL Server to GCP.
• Develop and optimize scripts and pipelines for transferring data to BigQuery.
• Design, develop, and maintain ETL/ELT pipelines on GCP using Cloud Composer.
• Optimize SQL queries for BigQuery and design data schemas.
• Use Python to automate migrations, data transformation, and GCP integrations.
• Collaborate with tech and business teams to ensure platform reliability.

Skills

Goog​le Cloud Platform (GCP)

BigQuery

Google Cloud Composer

SQL

Python

English fluency (B2)

Tools

SQL Server

Job description

Aubay Portugal is seeking a Senior Data Engineer to design and implement data migration strategies from SQL Server to Google Cloud Platform, and to build robust ETL/ELT pipelines on BigQuery.

You will optimize SQL queries, develop Python scripts, and collaborate with business teams to ensure reliable, scalable data platforms and cost-efficient cloud operations in a hybrid Porto/Lisbon setup.