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Senior Data Engineer

ValtechPortugal - RemoteData
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
6 Oct 2026
Status
Open · checked 7d ago

About this role

Valtech is seeking a Senior Data Engineer for a remote position based in Portugal, suited for an experienced professional looking to design modern cloud-based data platforms. This role involves building robust data solutions that support analytics, machine learning, and artificial intelligence systems across global projects.

Role Overview

Valtech is hiring a Senior Data Engineer to work remotely in Portugal. The professional will design, construct, and optimize cloud data platforms that power enterprise analytics and AI initiatives. This opportunity fits an individual with a strong technical background who also enjoys analyzing business problems and shaping requirements alongside cross-functional teams.

Key Responsibilities

Design and implement scalable data platforms and pipelines on either AWS with Databricks or Azure/Fabric.
Build reliable batch, streaming, and near-real-time ingestion and transformation workflows for structured and unstructured data.
Implement lakehouse patterns and medallion layering using tools like Spark and Delta Lake.
Deliver high-quality datasets that support machine learning, causal modeling, and GenAI applications including RAG pipelines and vector-based data flows.
Create scalable logical and physical data models and orchestrate workflows with tools such as Airflow, dbt, and Databricks Workflows.
Enforce data governance, lineage, quality, and access control policies using Unity Catalog, AWS Lake Formation, or Microsoft Purview.
Monitor pipeline reliability, freshness, and overall data observability to ensure production readiness.
Partner with stakeholders to discover and refine requirements through detailed analysis and practical recommendations.

Requirements

Hands-on programming expertise in Python and SQL, accompanied by deep experience with Apache Spark and Delta Lake.
Proven background in constructing production-grade data platforms and managing batch or streaming data pipelines.
Track A expertise featuring AWS data services alongside the Databricks Lakehouse Platform, or Track B expertise featuring Microsoft Azure or Fabric alongside Azure Databricks.
Solid comprehension of distributed data systems, scalability, and lakehouse architectures.
Collaborative mindset suited for cross-functional teamwork, problem-solving, and consultative requirement gathering.

Nice to Have

Deep expertise across both AWS and Azure/Fabric tracks.
Experience with GenAI and AI data systems including RAG pipelines, vector databases, and LLM data preparation.
Familiarity with CI/CD for data pipelines and infrastructure-as-code tools such as Terraform or CloudFormation.
Exposure to streaming technologies like Kafka, Spark optimization, and advanced analytics workloads.
Background in Snowflake, Google Cloud Platform, or Agile and consulting environments.

Skills and Tools

Python
SQL
Apache Spark
Delta Lake
AWS
Azure
Microsoft Fabric
Databricks
Airflow
dbt
Unity Catalog
AWS Lake Formation
Microsoft Purview
Kafka
Terraform
CloudFormation

About the Company

Valtech is an experience innovation company that partners with recognized global brands to deliver digital solutions. The organization prides itself on values centered around sharing, caring, and daring, while maintaining a workplace culture focused on creativity, diversity, and professional autonomy within a global framework.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

PythonSQLApache SparkDelta LakeAWSAzureMicrosoft FabricDatabricksAirflowdbtUnity CatalogAWS Lake FormationMicrosoft PurviewKafkaTerraformCloudFormationSnowflakeGCPLLMLLMsRAGSparkMachine Learning

Questions candidates ask

Where is the Senior Data Engineer position located?

The role is offered as a remote position based in Portugal.

Do I need cloud experience in both AWS and Azure?

No, applicants only need deep expertise in one core track, either AWS with Databricks or Azure/Fabric with Databricks or native tooling.

What programming languages are required for the role?

The position requires strong programming skills in Python and SQL.

What technologies are used for data pipelines and lakehouse architectures?

The role involves working with Apache Spark, Delta Lake, and medallion layering patterns within cloud ecosystems.

How does this role interact with AI and machine learning teams?

The data engineer collaborates closely with data scientists and ML engineers to build pipelines for machine learning, causal modeling, and GenAI use cases like RAG and agent-based systems.

Ready to apply?

The application is on the official Valtech careers page.

Apply on company site