Principal Data Engineer - SPARK – Remote first Ireland Only

Ireland | Remote First | Permanent

We’re looking for a Senior Data Engineer to join a growing data engineering team as their most senior Spark specialist.

This role is ideal for someone with deep, hands‑on Apache Spark expertise who enjoys solving complex distributed data challenges and working across a modern Lakehouse environment.

Spark is the core processing engine. Expert‑level Spark experience is non‑negotiable.

You will design, build and optimise large-scale distributed data pipelines, working across multiple source systems and contributing to architecture decisions in a cloud‑native ecosystem.

You’ll work with technologies including Databricks, Delta Lake and cloud platforms, delivering both batch and real‑time streaming solutions.

This is a hands‑on senior role with responsibility for mentoring junior and mid‑level engineers and setting strong engineering standards. xcfaprz

• 8+ years’ experience in Data or Software Engineering
• Deep, hands‑on Apache Spark expertise (performance tuning, optimisation, distributed workloads)
• Experience with both batch and streaming data (streaming essential)
• Strong Python and SQL
• Experience with Azure, AWS or GCP
• Familiarity with Kafka, Event Hub or similar
• Must be based in Ireland