Senior Data Engineer

September 27, 2026

Hybrid

Senior

Warszawa, Poland

Worth knowing

English is required

Description

A global organization is looking for a Senior Data Engineer (or Data Analyst) to design, develop and scale robust data models for Workforce Analytics and insights. The role turns raw ingested data into clean, trusted, analytics-ready datasets in Snowflake using Coalesce.io, with a focus on complex, large-scale environments. The engineer will partner with Data Integration and Data Platform Engineers to deliver a scalable, high-quality data ecosystem for HR and business leadership.

Responsibilities

Design and maintain modular, reusable transformation pipelines in Coalesce.io
Build analytics-ready Snowflake models for headcount, attrition and recruiting pipelines
Apply best practices for layered architecture and scalable model design
Model complex HR datasets: employee lifecycle, org hierarchies, job structures, recruiting pipelines
Handle effective-dated data, slowly changing dimensions and point-in-time reporting
Implement data quality checks and validation logic
Ensure accuracy of key workforce metrics and resolve data issues with Integration and Platform teams
Write efficient, optimized SQL and improve model and query performance
Design structures aligned with secure consumption patterns
Partner with Data Integration Engineers on source systems, especially Workday
Translate business requirements from People Analytics/HR into data models and standardized metrics
Enable self-service analytics through well-documented datasets
Use Azure DevOps/GitHub for version control and CI/CD
Maintain clear documentation for models and logic

Requirements

5+ years of experience in data engineering or analytics engineering
Strong SQL skills: advanced transformations and performance tuning
Hands-on experience with transformation frameworks such as Coalesce.io or dbt
Proven track record designing analytics-ready data models that solve business problems at scale
Experience with cloud data platforms, Snowflake preferred
Solid understanding of data modeling concepts: dimensional modeling, SCDs
Experience with Workforce/HR data, Workday strongly preferred
Experience modeling effective-dated and hierarchical data
Exposure to People Analytics use cases
Familiarity with data quality frameworks
Experience working with sensitive/PII data

Conditions

Hybrid work arrangement
Position located in Warszawa, Poland
Initial basic salary 19,600 - 30,600 PLN per month
Commitment to fair, equitable and gender-neutral pay practices

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