Senior Data Engineer at Reaktor


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Reaktor is Hiring

Job Info:
  • Company Reaktor
  • Position Senior Data Engineer
  • Location Helsinki
  • Source Empllo
  • Published February 03, 2026(45+ days ago)
  • Category Data
  • Type Full-Time
  • Experience Senior


Job Description

📋 Description

  • Design scalable batch and streaming data pipelines (ETL/ELT).
  • Develop infrastructure, integrations and APIs for data storage and delivery.
  • Collaborate with clients and domain experts to define data needs.
  • Work with data scientists and ML engineers on end-to-end data products.
  • Build end-to-end pipelines for impression data and recommendations.
  • Explore data lakes, semantic search and ML pipelines.

🎯 Requirements

  • Hands-on data engineering experience.
  • SQL/database experience: PostgreSQL, DynamoDB, Redshift, BigQuery.
  • Data platforms/lakes/warehouses: Databricks, Snowflake.
  • Python required; PySpark and Pandas; Java/TypeScript bonus.
  • Cloud providers: AWS, Azure or GCP.
  • Infrastructure-as-code: Terraform, CloudFormation or CDK.

🎁 Benefits

  • Impact how you work; teams choose approach and technologies.
  • Strong supportive community.
  • Team that wants you to succeed.
  • Sustainable work-life balance and perks like car share and family support.
  • Internal training, events and Cloud Academy opportunities.
  • DEI and inclusive culture.

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