Senior BI Developer | Digital&IPA (freelance)

PwC; Warszawa; On-site; PLN 138,000 - 248,000; Part time

Benefits offered by this job

Hybrid work model

International projects

Autonomy

Job summary

PwC Poland’s Digital&IPA team is looking for a Senior BI Developer (freelance). You will join a team of product design, BI and data science experts to translate business problems into analytics solutions for PwC clients across industries.

You will design the visual layer of BI applications and collaborate with clients and engineers in a hybrid work environment. We value 3+ years in BI, strong Power BI, SQL/ETL and Python skills, and experience running client workshops.

Qualifications

• At least 3 years of professional experience in Business Intelligence, data visualization and analytics.
• Proficiency in Power BI with good knowledge of DAX and Power Query.
• Good understanding of databases and data modeling with practical experience in SQL, ETL tools (e.g. Alteryx) or Python.
• Proven track record conducting workshops with clients and gathering business requirements.
• Solid knowledge of data visualization and information design best practices.
• Excellent command of English essential for international engagements.

Responsibilities

• Design and develop the visual layer of analytics and BI applications.
• Translate business questions into data-driven insights for real-time and strategic decisions.
• Collaborate with clients, architects and engineers to deliver end-to-end BI solutions.

Skills

Power BI

DAX

Power Query

SQL

ETL

Python

Workshop facilitation

Tools

Alteryx

Fabric

Power Platform

Tableau

Figma

Job description

Job Description & Summary

PwC Poland’s Digital&IPA team comprises 500 people. We are responsible for IT projects for Polish and international clients. The number of tasks we undertake is extensive: from design, building and implementation, through preparation of functional specifications and analysis of data in source systems, to the definition of business requirements, support in testing and development of mobile applications. The department provides IT consulting services, mainly to financial institutions from Poland and abroad.

We are looking for:

Senior BI Developer (freelance)

Your future role:

You will join the team of our product design, business intelligence and data science experts whoare responsible forthe development ofcutting-edgedigital solutions for PwC clients. You will work closely with clients across multiple industries to understand business problems and translate them into opportunities to create insights that will support real-time, daily,tactical,and strategic decisions. You will design and develop the visual layer of our analytics and BI applications, bridging the gap between the language of business and the language of data science.

Apply if you:

• At least 3 years of professional experience in Business Intelligence, data visualization and analytics,
• Proficiency in Power BI with good knowledge of DAX and Power Query,
• Good understanding of databases and data modeling with practical experience in technologies such as 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.

Nice to have:

• Experience working in a consulting space or in a similar client-facing, fast moving environment,
• Understating of teamwork principles in one of the project management methodologies,
• Experience in overseeing team members on projects,
• Background in UX or UI design and familiarity with design software (e.g. Figma),
• Practical skills in using Fabric, Power Platform (e.g. Power Apps)
• Knowledge of other BI tools (e.g. Tableau)
• Familiarity with Generative AI topics, Large Language Models (LLMs) and their practical applications in BI/analytics

By joining us you gain:

• Work on diverse, nonroutine projects across different clients and domains,
• A hybrid work model, flexible working hours, and high level of autonomy,
• Opportunities to contribute to international projects,
• Collaboration with experienced architects, consultants, and engineering teams,
• A professional environment combining consulting mindset with engineering excellence.

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