BI Developer (Mid-Level)

Quick Facts

• Role: BI Developer (Mid-Level)
• Focus: Reporting dashboards, data preparation (ETL), SQL data modeling, and Tableau visualization

Description

You’ll balance data preparation with final visualization to deliver fast, user-friendly dashboards. The role focuses on SQL foundations, working with Keboola pipelines and transformations, and creating business-meaningful reports in Tableau. You’ll also ensure data correctness, detect inconsistencies, and optimize performance.

Responsibilities

• Design and develop clear, fast, user-friendly Tableau dashboards and reports
• Create and manage data transformations and ETL pipelines in Keboola
• Write clean, optimized SQL queries; build data models and reporting tables
• Translate business requirements into technical terms to understand what users need from data
• Validate data accuracy, identify discrepancies, and ensure reports load quickly

Requirements

• Mid-level BI experience from real projects (data modeling and final visualization)
• Excellent SQL skills, including complex JOINs, window functions, and query optimization
• Practical Tableau experience: advanced calculations (LODs, parameterization), dashboard performance, and clean visualization
• Experience with Keboola: orchestrating pipelines, loading data, creating transformations, and sending data forward
• Analytical and business thinking to interpret data in corporate context
• Independence and drive to break down tasks and complete them

Benefits

• Work on modern, reliable data architectures and reporting solutions
• Opportunity to contribute to the full BI flow from data preparation to dashboarding

Additional Points (Nice to Have)

• Experience with other BI tools (Power BI, Looker Studio)
• Knowledge of Snowflake
• Overlap into Data Engineering (basic Python knowledge, Snowflake or other data warehouses)
• Experience with versioning (Git) and basic CI/CD for data workflows