Data Engineer

We are looking for a Senior Data Engineer to support a cloud data migration and platform modernization initiative within the banking sector, working in a hybrid model from Lisbon or Porto.

WHAT YOU WILL DO

Participate in the design and execution of data and ETL migration from SQL Server to Google Cloud Platform.

Develop, optimize and maintain data transfer, transformation and integration pipelines for BigQuery.

Design and operationalize ETL and ELT workflows using Google Cloud Composer.

Develop complex SQL queries and optimize BigQuery performance, partitioning, clustering and cost utilization.

Contribute to data schema design adapted to cloud-based data architectures.

Use Python to automate migration tasks, data transformation processes and integration with GCP services.

Implement controls to support data quality, integrity and reliability during and after migration.

Collaborate with database administrators, analysts, business stakeholders and data users to support a smooth transition.

Participate in code reviews, testing strategies, monitoring, debugging and incident resolution.

Propose technical improvements and optimizations for the cloud data platform.

WHAT WE ARE LOOKING FOR

-6 -9 years of experience as a Data Engineer or in similar data engineering roles.

Strong experience with cloud-based data platforms, data migration and data pipeline development.

Professional working proficiency in English at B2 level or above.

Ability to analyze existing systems, understand business needs and design reliable cloud data solutions.

Autonomous, rigorous and organized professional with strong teamwork skills.

Technical curiosity and ability to adapt to a new technical and organizational environment.

TECHNICAL SKILLS

BigQuery

SQL

Python

ETL and ELT pipelines

Data transformation

Data quality and integrity

Pipeline monitoring and debugging

Performance optimization

NICE TO HAVE

SQL Server

T-SQL

GCP Storage

Dataflow

Database Migration Service

Power BI

Data Warehousing

Data Vault

French language proficiency

WHAT WE OFFER

Private health insurance from day one, with no waiting periods and optional family extension.

Confidential mental health support through TEAM 24, including psychological support, content and live sessions.

Continuous learning and certification support throughout your journey.

Flexibility whenever the role and context allow it, supporting sustainable delivery and daily balance.

Childcare vouchers and practical family support measures.

Team moments, shared milestones and leadership presence when it matters most.

Upskilling opportunities in quality management, information security, AI governance or cybersecurity best practices, according to role relevance and professional development needs.

EQUAL OPPORTUNITY

Hexa is committed to inclusive and fair recruitment practices. We value different backgrounds, perspectives and experiences, and we naturally align our approach with the principles of the Portuguese Diversity Charter.

HEXA LIFE

At Hexa, every professional is a Builder. You will join a collaborative environment based on honesty, mutual support and agility, where people are encouraged to contribute, improve and create lasting impact through responsible and high-quality work.

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