Summary

We’re looking for a Senior Data Engineer with deep SQL expertise to support critical data modeling, optimization, and transformation efforts. Join a fast-growing digital marketing and performance technology company with a strong global footprint and a focus on innovative, data-driven solutions. You’ll be part of a collaborative team that powers advanced digital strategies for e-commerce and advertising, serving a wide range of clients in dynamic and competitive markets. This is a high-impact role for someone who thrives on structuring data, improving performance, and enabling smarter decision-making through clean, optimized datasets.

Location: Porto (hybrid - 2x to 3x/week - they are flexible)

Salary: up to €50k/year
 

What You’ll Do

• Own the modeling and structuring of complex datasets to support analytics, performance reporting, and business insights

• Optimize SQL queries to improve performance across multiple systems and use cases

• Build and manage scalable ETL pipelines to ensure data quality and consistency

• Collaborate with analysts, data consumers, and technical teams to support data hierarchy and warehouse structure

• Manage and maintain data infrastructure across AWS, MySQL, and modern cloud data environments

• Support the integration of advertising and performance data across platforms

• Troubleshoot and resolve issues related to query performance and data integrity

• Define and maintain data quality standards and monitoring systems

 

What We’re Looking For

• Proven experience in data engineering with advanced SQL and Transact-SQL knowledge

• Experience working in AWS environments and with MySQL databases

• Familiarity with Microsoft Fabric or willingness to learn

• Strong understanding of ETL development and data transformation best practices

• Knowledge of data lake and data warehouse architecture

• Excellent problem-solving and debugging skills

• Structured thinking and attention to detail, with a passion for data quality

• Ability to work closely with cross-functional teams and clearly communicate technical concepts

 

If you’re excited about solving real-world data challenges in a fast-paced digital environment and want to help build scalable, efficient data systems that power high-performing advertising technology, we’d love to hear from you.