Senior BI Engineer (Sofia)

We are looking for a Senior BI Engineer to take ownership of the architecture, scalability, and stability of a BI platform within an international company.

This role is for an engineer who:

• sees BI not just as reporting, but as data infrastructure ,
• can balance business needs, performance, and cost efficiency ,
• feels strong ownership over production systems .

The Role

You will act as a key bridge between:

• business stakeholders,
• backend engineers,
• analysts,

ensuring best practices across:

• BI governance,
• performance optimization,
• data quality and security.

Key Responsibilities

• Onboard new BI projects and data sources
• Design data warehouse (DWH) architecture and data relationships
• Ensure data quality, consistency, and compliance
• Optimize ETL workflows and SSAS analytical cubes
• Manage and optimize BigQuery and GCP resources (cost and performance)
• Develop and maintain BI dashboards (Power BI, Looker Studio)
• Support production BI environments (including occasional after-hours support)

Requirements Must-have

• Proven experience as a Senior BI Engineer, BI Developer, or BI Consultant
• Deep expertise in SSAS (tabular & multidimensional)
• Hands-on ETL experience
• (Apache NiFi / Google Dataform / Google Dataflow is a strong plus)
• Practical experience with BigQuery, GCP, SQL, and data warehousing
• Experience supporting production BI systems

Nice-to-have

• Experience with ML / AI integration
• Experience optimizing cloud infrastructure costs

What We Offer

• Competitive compensation package
• Flexible working hours
• Supplemental medical insurance
• Coverage for conferences and professional certifications
• Opportunity to work with modern technologies and tools
• Free breakfast and beverages
• Team buildings, company events, and weekly Happy Hours
• Open and friendly working environment
• Global exposure — the company operates across four continents