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Helu

Data Engineer

Remote

Fully remoteAI & DataData Engineering

Data Engineer bei helu in Österreich (remote möglich) mit Fokus auf skalierbare ELT-Pipelines und moderne Data-Platform-Architektur.

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What the employer offers

  • Work from home

Job description

Your mission

We are looking for a Data Engineer who enjoys building reliable data pipelines. You will help design and operate scalable ELT processes that power analytics, reporting, and core product features.

You are comfortable working with Python, SQL and AWS, understand modern data architecture patterns, and care about data quality, performance, and maintainability.

Your responsibilities

  • Design, build and maintain scalable ELT pipelines.
  • Implement and operate data workflows using AWS (Lambda, Step Functions, S3, Batch, etc.).
  • Contribute to the evolution of our Data Platform architecture (Medallion architecture).
  • Ensure data quality, consistency, and reliability across pipelines.
  • Optimize data transformations for performance and cost efficiency.
  • Collaborate with Backend and Frontend Engineers and Product to define data requirements.
  • Monitor pipelines, troubleshoot issues and improve observability.
  • Document data models, transformations and architecture decisions.

Your skills

  • Strong Python skills for data processing (ideally familiar with Polars or PySpark)..
  • Experience building ETL/ELT pipelines in production environments.
  • Solid experience with Cloud services - ideally AWS.
  • Understanding of Medallion Architecture.
  • Strong SQL skills and experience with dimensional data modeling.
  • Experience working with structured and semi-structured data (JSON, CSV, Parquet, APIs).
  • Understanding of data validation and data quality practices.
  • Experience with Git and CI/CD.

Nice to have

  • Experience with columnar databases (e.g. ClickHouse, Redshift, BigQuery).
  • Familiarity with infrastructure-as-code (e.g. Terraform).
  • Experience with Docker.

You can expect:

  • Being part of a highly motivated international team.
  • High ownership and responsibility for your domain.
  • A modern data stack and room to shape architecture decisions.
  • A workplace in the heart of Vienna or remote options with quarterly office weeks in Vienna Helu.io.

Why us?

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