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Position: Data Engineer
Location: Lisbon or Oporto - Hybrid
Job Summary: Position for Google Cloud Platform (GCP) Senior Data Engineer to join the IT (Information Technologies) department, to work in a hybrid model in the Porto or Lisbon office.
Key Responsibilities:
Data and Database Migration:
- Actively participate in the design and execution of the data and ETL process migration strategy from SQL Server to GCP;
- Develop and optimize scripts and pipelines for efficiently transferring and transforming data into BigQuery;
Design and Development of Data Pipelines on GCP:
- Design, develop, and maintain robust and high-performing ETL/ELT pipelines on GCP, replacing or rebuilding existing flows;
- Orchestrate and schedule these pipelines using Google Cloud;
- Composer to ensure reliable migration and operationalization.
Database Management and Optimization on GCP:
- Develop and optimize complex SQL queries for BigQuery, taking into account the specificities of migrating from SQL Server to BigQuery (e.g., optimizing partitioning, clustering);
- Contribute to the design and implementation of optimized data schemas for BigQuery, adapted to new cloud architectures.
Development and Automation:
- Use Python to develop scripts for automating migration tasks, data transformation, and integration with other GCP services;
- Implement processes to ensure data quality and integrity during and after migration.
Collaboration and Support:
- Collaborate closely with current teams (SQL Server administrators, analysts) to understand the existing environment and facilitate the transition;
- Exchange with end-users (business lines, data scientists) to understand their needs and ensure the new platform meets their expectations;
- Participate in code reviews, development best practices, and testing strategies for the new platform;
- Ensure monitoring, debugging, and incident resolution related to data pipelines during the transition phase and upon production deployment.
Technological Watch and Optimization:
- Stay informed about best practices for migration and the latest developments on Google Cloud Platform;
- Propose improvements and optimizations for the new Data platform on GCP.
Requirements:
- Mastery of Google Cloud Platform (GCP);
- BigQuery: Significant experience in schema design, writing complex queries (SQL), performance optimization, and cost management in a cloud context;
- Cloud Composer: Solid experience in creating, scheduling, monitoring, and debugging DAGs to orchestrate data flows, particularly for migration and integration processes;
- SQL: Excellent mastery of the SQL language. Experience with SQL Server is a plus, but more importantly, the ability to adapt and optimize SQL for BigQuery;
- Python: In-depth mastery of the Python language for developing scripts (migration, automation, data transformation) and interacting with GCP APIs;
- Data Migration: Experience or strong understanding of the challenges and methodologies for migrating databases from an on-premise environment (SQL Server) to a cloud environment (GCP);
- Analytical and Problem-Solving Skills: Ability to analyze existing systems (SQL Server), understand business needs, design solutions on GCP, and resolve complex problems related to migration and pipeline operation;
- Good communication skills in English (B2 level required);
- Autonomy, rigor, organizational skills, teamwork ability, technical curiosity, and the capacity to adapt to a new environment.
Additional Skills (Good to Have):
- Direct knowledge of SQL Server (architecture, T-SQL, basic administration);
- Experience with other GCP services relevant to data migration and integration (Storage, Dataflow, etc.);
- Knowledge of GCP-specific migration tools and strategies (e.g., Database Migration Service);
- Experience with data visualization tools (Power BI);
- Understanding of Data Warehousing concepts and data modeling (Data Vault);
- Experience with code versioning;
- EN B2 (FR is a plus)
This is our winning strategy, built on the core principles of impartiality, independence, and fairness at Nimber. The only thing missing is you!
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