Senior BI Developer — Data Viz & Power BI (Hybrid)

PwC Polska; Warszawa; Hybrid; PLN 110,208 - 192,864; Full time

Benefits offered by this job

Hybrid work model

International projects

Flexible hours

Job summary

PwC Polska’s Digital&IPA team is seeking a Senior BI Developer (freelance) to design and build analytics solutions for clients across industries. You will transform business problems into actionable insights and craft compelling visualizations that drive real-time and strategic decisions.

You will collaborate with product design, BI and data science experts, using Power BI, DAX, Power Query, SQL and ETL tools. English must be excellent for international engagements.

Qualifications

• At least 3 years of professional experience in BI, data visualization and analytics.
• Proficiency in Power BI with good knowledge of DAX and Power Query.
• Good understanding of databases and data modelling with practical experience in SQL, ETL tools (e.g. Alteryx) or Python.
• Proven track record conducting workshops with clients and gathering business requirements (business objectives, user needs and goals, supporting metrics, technical specifications, data sources).
• Solid knowledge of data visualization and information design best practices coupled with exceptional care for detail, clarity and aesthetics.
• Excellent command of English essential in working on international engagements.

Responsibilities

• Join a team of BI and data science experts developing digital solutions for PwC clients.
• Translate client business problems into insights to support decisions.
• Design and develop the visual layer of BI applications bridging business and data.

Skills

Power BI

DAX

Power Query

SQL

ETL (Alteryx)

Python

Workshops with clients

Data modeling

Data visualization

English

Tools

Figma

Tableau

Power Platform

Power Apps

Fabric

Job description

PwC Polska’s Digital&IPA team is seeking a Senior BI Developer (freelance) to design and build analytics solutions for clients across industries. You will transform business problems into actionable insights and craft compelling visualizations that drive real-time and strategic decisions.

You will collaborate with product design, BI and data science experts, using Power BI, DAX, Power Query, SQL and ETL tools. English must be excellent for international engagements.