Big Data Specialist

24 hours ago


Helsinki, Uusimaa, Finland Reaktor Full time

Job Summary

We're seeking a skilled Data Engineer to join our team in Helsinki, Tampere or Turku. In this role, you'll design and develop scalable data pipelines, work on infrastructure, integrations and APIs, and collaborate with data scientists and designers to create end-to-end data products.

About Us

Reaktor is a technology company that helps ambitious organizations become digital leaders. We offer premium software development and digital transformation services, including data-intensive applications.

Responsibilities

  • Key Responsibilities
  • Designing and developing scalable data pipelines (ETL/ELT) in both batch and stream processing settings.
  • Working on infrastructure, integrations and APIs for storing, transforming and delivering data to end users.
  • Collaborating with data scientists, machine learning engineers and designers to design end-to-end data products.

Requirements

To succeed in this role, you'll need:

  • Experience in hands-on data engineering projects.
  • A background in working with databases and SQL (such as PostgreSQL, DynamoDB, Redshift, BigQuery).
  • Experience in data platforms, data lakes or data warehouses (such as Databricks, Snowflake).
  • A solid programming foundation in Python (required), with additional experience in other languages such as Java or TypeScript being a plus. Proficiency in data-related libraries like PySpark and Pandas.
  • Experience in at least one cloud provider (AWS, Azure, GCP).
  • Understanding of infrastructure-as-code practices (such as Terraform, CloudFormation, CDK).

Culture and Benefits

At Reaktor, we value adaptability, reaction, and support for change. We offer a range of benefits to support your wellbeing and professional growth, including internal training courses, community events, and hobby clubs.


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