Power BI Developer with KQL (f/m/x)

We are looking for a specialist responsible for designing and developing analytical solutions based on Microsoft Power BI and Kusto Query Language (KQL). The role combines competencies in Business Intelligence, data modeling, dashboard creation, and the analysis of logs and telemetry data.

An additional aspect of the role involves working with data originating from embedded/firmware systems. This is not a firmware development position, but a good understanding of how embedded devices operate and how their logs/telemetry are generated will greatly support effective analysis.

The person in this position will collaborate with business stakeholders as well as Data, DevOps, Security, and IT teams to deliver reports, dashboards, and analytics supporting both business and operational decision-making.

Your tasks

• Designing, developing, and maintaining Power BI reports and dashboards

• Creating data models, relationships, measures, and calculations using DAX

• Building data transformation processes in Power Query / M

• Integrating data from various sources such as SQL Server, Azure services, APIs, Excel, SharePoint, and ERP/CRM systems

• Writing and optimizing KQL queries for telemetry, logging, and monitoring data

• Analyzing data from platforms such as Azure Monitor, Log Analytics, Microsoft Sentinel, Application Insights, and Azure Data Explorer

• Interpreting logs and telemetry originating from embedded/firmware devices or IoT systems

• Creating alerts, operational dashboards, and incident analyses using KQL

• Collaborating with stakeholders to collect requirements and translate them into technical solutions

• Designing KPIs, metrics, and reports supporting operational, security, or infrastructure areas

• Ensuring data quality and report performance

• Documenting data models, queries, and analytical solutions

• Supporting end users and conducting training sessions on dashboards and reports

Requirements

• Over 3 years of hands-on experience with Power BI (reporting, dashboards, data modeling)

• Strong knowledge of SQL (including joins, aggregations, and query optimization)

• Solid experience with DAX (measures, calculated columns, context handling)

• Good understanding of data modeling concepts (star schema, relationships, performance optimization)

• Practical experience writing advanced KQL queries

• Familiarity with Azure data platforms such as Azure Monitor, Log Analytics, or Application Insights

• Understanding of embedded/firmware concepts, including the ability to interpret device logs and telemetry data

• Strong analytical and problem-solving skills

• Good communication skills and ability to work with both technical and non-technical stakeholders

• Residing in Poland required

Nice-to-have requirements

• Experience working with telemetry or log data

What we offer 

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas 

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market 

• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more 

• Comfortable workplace – class A offices or remote work 

• Dozens of fascinating projects for prestigious brands from all over the world 

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers 

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose 

• Fantastic atmosphere created by all Sii Power People 

If you want to work on systems with high operational significance — apply now!