Junior BI Developer

About the role

• You’ll work directly with clients as part of international project teams that mix consultants and BI developers. Most of your time goes into building Power BI dashboards and reports, writing SQL to pull and shape data, and setting up data models in Microsoft Fabric. You’ll also need to communicate technical concepts to non-technical audiences.

• Team: About 30 data scientists, BI developers, and engineers working alongside consulting teams on client projects. The team has expertise in BI, visualization, data engineering, and strategy. We’re part of a larger global Data & AI group with access to a wider professional community.

Your responsibilities

• Build Power BI dashboards and reports that support client decision-making

• Create and maintain data models, including DAX measures and calculated columns

• Write SQL queries to pull data, transform it, and get it ready for reporting

• Set up data pipelines, lakehouses, and warehouses in Microsoft Fabric

• Work with consultants and other teams to fit your reporting into how the client runs their business

• Keep data clean and consistent across reports, and document what you build so others can maintain it

  
  

Our requirements

• What we’re looking for:

• Power BI experience (required)—you should know how to build reports, write basic DAX, and understand data modeling

• SQL (required)—comfortable writing queries with joins, aggregations, and some query tuning

• Microsoft Fabric (nice to have)—experience with lakehouses, warehouses, data pipelines

• Data warehouse concepts and dimensional modeling (nice to have)—star schemas, fact tables, dimension tables

• Availability: Students welcome. Must be available Monday through Friday during business hours (flexible on exact times)

  
  

Development opportunities we offer

• development budget

• external training

• industry-specific e-learning platforms

• intracompany training

  
  

  What we offer

• Global Exposure: Work on remote or on-site projects across the US, Middle East, and Western Europe.

• Wellness & Sports: Enjoy access to reformer Pilates at Polka Pilates, tennis and football sessions at Warszawianka.

• Comprehensive Benefits: Medicover healthcare,

• Team Culture: Monthly Friday afternoon social events and several team/office outings each year.

• Mental Health Support: Access to an external online platform for confidential mental health assistance.

• Expert Community: Collaborate and learn from a global network of industry-leading professionals in Data & AI.

• Modern Workspace: Work from our 34th-floor office near Rondo ONZ, featuring panoramic views and a well stocked kitchen with healthy snacks.

• Occasional additional days off

  
  

Benefits

• private medical care

• sharing the costs of professional training & courses

• life insurance

• remote work opportunities

• fruits

• integration events

• dental care

• corporate credit card

• parking space for employees

• employee referral program

• opportunity to obtain permits and licenses

• charity initiatives

• extra leave

A.T. Kearney Sp. z o.o.

A global partnership in more than 40 countries, our people make us who we are. We’re individuals with different passions and strengths who take as much joy in the work we do as from those we work with.

Together, we know our people are our difference — for our clients, our colleagues, and our communities. That’s why we take pride in being individual and inclusive and create a place where everyone can bring their full self to work.