Junior BI Developer

Data

Junior BI Developer

Data
Chmielna 69, Warszawa

Transition Technologies MS

Full-time
Junior
Hybrid

Job description

We are looking for a BI Consultant to deliver end-to-end projects – from business requirements analysis, through data integration (SQL/ETL), to building reports in Power BI.


Your responsibilities:

  • Delivering BI reporting implementation, development, and maintenance projects.

  • Designing and developing data integration processes (ETL/ELT) and SQL queries.

  • Building data models, reports, and dashboards in Power BI.

  • Publishing and maintaining reports in Power BI Service (workspaces, permissions, refresh schedules).

  • Collaborating with business stakeholders to analyze requirements and propose solutions.


We are looking for you, if you have:

  • Practical knowledge of Power BI Desktop (visualizations, dashboards, data storytelling).

  • Ability to create interactive and user-friendly reports aligned with UX/UI principles.

  • Experience working with Power BI Service (publishing, workspace management, permissions, scheduled refresh).

  • Knowledge of SQL (queries, views).

  • Experience working with various data sources (databases, Excel, SharePoint, APIs, CSV files, OData, etc.).

  • Basic understanding of ETL/ELT processes (e.g., Power Query, Dataflows, Azure Data Factory, or similar tools).

  • Ability to cooperate with business stakeholders and translate business needs into technical solutions (in collaboration with an analyst/architect).

  • Attention to quality, readability, and performance of code and reports.

  • Strong communication skills and willingness to work in a team.

  • Proactive attitude and engagement in improving reporting processes and data automation.


Nice to have: 

  • Knowledge of Azure Data Platform and/or Microsoft Fabric.

  • Experience with Python in the context of data analysis or integration.

  • Experience working in Agile / Scrum methodologies.

  • Microsoft certifications (e.g., PL-300, DA-100).


We offer:

  • Participation in interesting and challenging projects.

  • Flexible working hours.

  • A great, non-corporate atmosphere.

  • Opportunities for development and promotion.

  • Attractive package of benefits.

  • Work model: remote or hybrid (2 days per week from the office)


We reserve the right to contact the selected candidates.

Tech stack

    English

    B2

    Power BI

    regular

    ETL

    junior

    Azure Data Factory

    junior

    DAX

    junior

    Power Query

    junior

    Data modeling

    junior

    Snowflake

    junior

    SQL

    junior

Office location

Published: 19.02.2026

About the company

Transition Technologies MS

Transition Technologies MS is a company specializing in providing advanced IT solutions and software development services. It focuses on innovative technologies to support business digital transformation.

Company profile

Junior BI Developer

Summary of the offer

Junior BI Developer

Chmielna 69, Warszawa
Transition Technologies MS
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