Data Engineer

HeadHR; Warszawa; On-site; PLN 111,600 - 167,400; Full time

Job summary

HeadHR is seeking an ambitious Junior Data Engineer to join their data team in Warsaw, Poland. The role involves supporting data processing and integration pipelines and contributing to transformative workflows using the Medallion architecture approach.

The ideal candidate should have 1-2 years of experience in data engineering, strong SQL skills, and a basic understanding of Python. Familiarity with GCP tools is essential, and the position requires Polish tax residency.

Qualifications

• 1-2 years of experience in data engineering or analytics projects.
• Familiarity with data quality and monitoring concepts.

Responsibilities

• Develop and maintain data pipelines in GCP (BigQuery, Cloud Functions).
• Optimize SQL queries and automate workflows with Python.
• Contribute to CI/CD processes and code versioning (Git).

Skills

Strong SQL skills

Basic Python knowledge

Familiarity with GCP tools

Curiosity

Ownership

Willingness to learn

Tools

BigQuery

Cloud Functions

Git

Job description

We are looking for an ambitious Junior Data Engineer to join our data team building a modern data platform across EMEA on Google Cloud Platform.

In this role, you will support data processing and integration pipelines, contribute to data transformation workflows, and collaborate with other team members to build and maintain data solutions following the Medallion architecture (Bronze–Silver–Gold) approach.

Key Responsibilities

• Develop and maintain data pipelines in GCP (BigQuery, Cloud Functions)
• Work with Medallion architecture (Bronze–Silver–Gold)
• Optimize SQL queries and automate workflows with Python
• Contribute to CI/CD processes and code versioning (Git)

Kogo poszukujemy?

Requirements

• 1–2 years of experience in data engineering or analytics projects
• Strong SQL skills and basic Python knowledge
• Familiarity with GCP tools (BigQuery, Cloud Storage, Cloud Functions)
• Polish tax residency (required)
• Curiosity, ownership, and willingness to learn

Nice to Have

• Familiarity with dbt or similar data transformation tools
• Experience with Git repository and basic understanding of CI/CD pipelines
• Understanding of data quality and monitoring concepts