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
Top Skills
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success.
With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
