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November 3, 2026
Data Analyst
Senior • On-site
90 - 100 PLN/yr
Wrocław, Poland
SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.
Responsibilities:
Collaborate closely with department leaders to analyze operational workflows, identify systemic inefficiencies, and implement data-driven process improvements.
Architect, build, and maintain dynamic, production-grade Power BI dashboards and interactive reports delivering real-time performance tracking.
Query, extract, sanitize, and transform massive, disparate datasets using advanced SQL to prepare optimized data structures for downstream analytical models.
Translate complex quantitative findings into clear narrative presentations, visual summaries, and actionable recommendations for senior leadership.
Continuously audit and optimize SQL queries, Power BI data models, Power Query M logic, and DAX calculations to ensure minimal latency, high scalability, and swift load times.
Partner with data engineers, product owners, and business stakeholders to enforce data integrity, maintain unified metrics, and align reporting with enterprise objectives.
Skills:
Minimum 4 years of proven hands-on experience in business intelligence, corporate data analytics, or data modeling delivering high-impact solutions.
Deep technical mastery of the Power BI ecosystem, including star-schema dimensional modeling, row-level security (RLS), complex DAX measures, and report lifecycle management.
Demonstrated expertise in writing high-performance SQL queries, window functions, CTEs, and stored procedures across large enterprise data warehouses.
Strong background in analyzing end-to-end business operations, identifying KPI trends, and converting ambiguous business problems into structured analytical models.
Exceptional capability to articulate technical concepts and nuanced data insights to non-technical executive stakeholders.
Full professional fluency in English (written and verbal).
Nice to have:
Certifications (e.g., PL-300: Microsoft Power BI Data Analyst).
Experience with cloud data warehouse platforms (e.g., Snowflake, Azure Synapse, BigQuery, Databricks).
Familiarity with version control (Git), CI/CD pipelines for Power BI deployment pipelines, or Fabric environments.
Knowledge of scripting languages for data automation (e.g., Python, R).
Follow us on Linkedin! https://www.linkedin.com/company/snisourcing/posts/?feedView=all
PLBI2605
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