Data Insights Engineer (SQL, PySpark)

Xebia Group; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

Xebia Group Poland is recruiting a Data Analyst to join our data and analytics team. You will analyze large datasets related to marketing and business performance, design and maintain analytical datasets using SQL and PySpark, and collaborate with stakeholders to deliver insights across campaigns and product areas.

The ideal candidate has 3+ years in data analytics, strong SQL, PySpark, Databricks or Delta Lake experience, and fluent Polish and English.

Qualifications

• 3+ years of experience as Data Analyst, Analytics Engineer, or in a similar data-focused role.
• Advanced SQL skills including complex joins, CTEs, window functions, and query optimization.
• Hands-on experience with PySpark.
• Experience working with large-scale datasets.
• Strong analytical and problem-solving skills.
• Ability to work independently in a fast-paced environment.
• Fluent Polish and English.

Responsibilities

• Analyzing large datasets related to customer behavior, digital marketing campaigns, and business performance.
• Designing, developing, and maintaining analytical datasets using SQL and PySpark.
• Preparing and transforming data from multiple sources for reporting and advanced analytics purposes.
• Collaborating closely with marketing analysts, business stakeholders, and data teams.
• Supporting campaign measurement, customer segmentation, funnel analysis, retention, churn, and ROI calculations.
• Ensuring data quality, consistency, and reliability across analytical outputs.
• Investigating data issues and proactively identifying opportunities for process improvement.
• Contributing to optimizing data models and data processing workflows.
• Supporting ad hoc analytical requests from business stakeholders.

Skills

Advanced SQL

PySpark

Large datasets

Independent worker

Polish

English

Tools

Databricks

Delta Lake

Power BI

SQL

Python

Job description

Xebia Group Poland is recruiting a Data Analyst to join our data and analytics team. You will analyze large datasets related to marketing and business performance, design and maintain analytical datasets using SQL and PySpark, and collaborate with stakeholders to deliver insights across campaigns and product areas.

The ideal candidate has 3+ years in data analytics, strong SQL, PySpark, Databricks or Delta Lake experience, and fluent Polish and English.