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Data Engineer

Barcelona💼 Full-time🗓 2026-08-12 → 2026-09-25

Core

Build and maintain data pipelines, infrastructure, and decision-making systems to support persona modeling and ad delivery optimization.

Role type

Data Engineer

Builds

Data pipelines, infrastructure, and decision-making systems for persona-based ad strategies

Domain

Adtech, Data Engineering

Deliverable

production ML models | infrastructure

Required skills

Scala, Python, Apache Spark, SQL, AWS SageMaker, AWS Clickhouse, AWS DynamoDB, Go, C#, C++

Preferred skills

CI tools (Jenkins), Terraform, Docker, Kubernetes, TensorFlow, PyTorch

Responsibilities

Maintain and evolve data pipelines and infrastructure; Contribute to persona modeling systems and ad delivery optimization; Enhance system reliability through monitoring and alerting (SLI/SLO); Support business users by troubleshooting and improving reporting and data workflows; Work across teams to connect and streamline services

Seniority

Mid-level (3+ years experience)

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