We are looking for a Senior BI Engineer (PowerBI) to join our team.
About the project:
Our customer is the leading school transportation provider in North America, being the owner of more than a half of all yellow school buses in the United States. Every day, the company completes 5 million student journeys, moving more passengers than all U.S. airlines combined and delivers reliable, quality services for 1,100 school districts.
N-iX has built a successful cooperation with the client delivering a range of complex initiatives. As a result, N-iX has been selected as a strategic long-term partner to drive digital transformation on an enterprise level, fully remodeling the technology landscape for 55,000 employees and millions of people across North America.
Responsibilities:
- Design, develop, and maintain optimized business intelligence solutions with a focus on performance
- Present information through high-performance reports and complex visualizations tailored to business needs
- Translate business requirements into advanced technical specifications and scalable data models
- Design, build, and deploy BI solutions with a focus on efficiency and scalability for large datasets
- Maintain and support data analytics platforms, ensuring optimized query performance
- Assist QA Engineers with testing, troubleshooting, and performance tuning of BI solutions
- Evaluate and improve existing BI solutions for performance, reusability, and scalability
- Conduct analyses with a strong focus on query optimization and data efficiency
- Create technical documentation to support scalable Power BI solutions
- Work with complex Power BI datasets, ensuring robust performance and scalability for large data volumes
Requirements:
- 5+ years of experience as a BI Engineer or Microsoft Power BI Specialist
- Advanced DAX experience, including writing and optimizing complex DAX formulas, with a focus on performance tuning
- Strong understanding of Power BI performance analysis tools (DAX Studio, Performance Analyzer, Server Timings) to identify bottlenecks and improve model efficiency
- Experience with Tabular Editor and XMLA endpoints for large data model management and performance optimization
- SQL proficiency, with a solid understanding of optimizing complex queries and analyzing query plans
- Experience with large-scale datasets in Power BI and SSAS
- Experience in optimizing data refresh cycles and managing incremental refreshes to support high-performance BI solutions
- Familiarity with DAX context transition and calculation groups for streamlined and high-performing data models
- Proven ability to analyze and debug performance issues across large-scale data environments, with an understanding of advanced data modeling techniques
- Knowledge of Power BI's engine architecture (including formula and storage engines) for performance optimization
- Strong analytical skills with an aptitude for identifying performance bottlenecks and solving complex BI problems
- English level - upper-intermediate
- Advanced or higher level of Ukrainian
Would be a plus:
- Experience with Snowflake
We offer:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
Europe, Ukraine
