Senior Data Visualization Specialist (Power BI)

TL;DR

Senior Data Visualization Specialist (Power BI): Designing and implementing intuitive, impactful data visualizations and dashboards in Power BI with an accent on requirements gathering, data engineering coordination, and stakeholder management. Focus on enhancing and optimizing existing dashboards, developing data models, and delivering actionable insights for customer experience.

Location: Hybrid in Warszawa, Poland

Company

Sonova is a world-leading hearing care provider headquartered in Switzerland, committed to developing innovative solutions from personal audio devices to hearing aids and cochlear implants.

What you will do

• Collaborate closely with Customer Experience/Business teams and the Advanced Analytics team to design, develop, and deliver new dashboards and reports using Power BI.
• Continuously enhance and optimize existing Power BI dashboards and datasets, addressing performance issues, bugs, and implementing improvements.
• Develop and manage Power BI datasets, data models, and transformations using Power Query (M) and related tools to support advanced reporting needs.
• Provide day-to-day analytics support to the Customer Experience team, including troubleshooting report issues, investigating data discrepancies, and ensuring reliable analytics delivery.
• Perform ad-hoc Customer Experience analyses, delivering actionable insights through Power BI dashboards and data exploration.
• Provide on-demand support to the Advanced Analytics team for specialized analytics initiatives or projects as needed.

Requirements

• 3+ years of experience in Power BI dashboard development, data visualization, and data analysis.
• Strong data visualization skills, with the ability to create intuitive, visually compelling dashboards using appropriate charts, layouts, and design best practices.
• Strong analytical skills with the ability to interpret complex datasets and translate findings into clear business insights.
• Proficiency in DAX for calculations, measures, and performance optimization.
• Experience with Power Query (M) for data transformation and preparation.
• Solid understanding of data modelling concepts, including relationships, star schema design, and performance optimization in Power BI.
• Experience integrating Power BI with various data sources (e.g., SQL databases, cloud platforms, marketing platforms, APIs).
• Excellent communication and stakeholder management skills, enabling effective collaboration across cross-functional teams.

Culture & Benefits

• Flexible hybrid working model balancing a successful career with personal commitments and interests outside of work.
• Wide range of training opportunities for both professional and personal development.
• Exceptional growth opportunities with individual development plans.
• Inclusive culture committed to equal treatment and diverse backgrounds.
• Team united by a shared commitment to excellence and continuous improvement.