Senior Data Engineer (Databricks Migration)

Sigma Software

Lisbon, Lisbon, Portugal, Remote Remote Full-time 2 mo ago
Workplace
Remote
Location
Lisbon, Lisbon, Portugal
Who can apply
Remote for people based in Portugal

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About the role

Job Description

* Participate in the migration of a large-scale analytical platform from BigQuery to Databricks * Design and implement scalable Lakehouse architectures using Databricks and Delta Lake * Analyze existing ETL / ELT workloads and define migration approaches * Develop and optimize data pipelines processing large volumes of retail and analytical data * Implement incremental processing strategies and scalable transformation frameworks * Build and maintain Spark-based data processing solutions using PySpark * Design and maintain medallion architecture layers including Bronze, Silver, and Gold * Implement data governance and security best practices using Unity Catalog * Collaborate with Data Science, Analytics, Product, and Customer Engineering teams * Participate in architecture discussions and technical solution design * Develop reusable data platform components and engineering standards * Conduct code reviews and contribute to platform reliability and maintainability * Troubleshoot and optimize complex SQL and Spark workloads * Support production deployments and platform modernization activities

Qualifications

* 5+ years of professional experience as a Data Engineer * Strong programming skills in Python and advanced SQL * Hands-on commercial experience with Databricks * Strong knowledge of Apache Spark, primarily PySpark * Experience designing and building modern cloud-based data platforms * Experience developing ETL / ELT pipelines and large-scale data processing solutions * Hands-on experience with Delta Lake * Experience with Spark Declarative Pipelines * Experience with cluster monitoring, metrics analysis, and performance optimization * Strong understanding of distributed data processing architectures * Solid understanding of data warehousing concepts and dimensional modeling * Experience with Airflow or similar orchestration tools * Experience optimizing complex analytical SQL workloads * Experience implementing CI / CD practices for data engineering platforms * Strong troubleshooting and performance optimization skills * Ability to work collaboratively in cross-functional international teams * Upper-Intermediate or higher English level

WILL BE A PLUS

* Experience working with GCP cloud services * Experience with AWS or Azure cloud platforms * Experience in retail analytics or pricing optimization domains * Experience supporting machine learning or AI-related data workloads * Experience with platform modernization and cloud migration initiatives

Additional Information

PERSONAL PROFILE

* Strong analytical and problem-solving mindset * Proactive and ownership-driven approach * Ability to work independently and collaboratively * Good communication and stakeholder collaboration skills * Passion for scalable data engineering and modern data platforms * Interest in continuous learning and technology innovation

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