BI & Data Analyst / Power BI Expert

at  MediMarket

BI & Data Analyst / Power BI Expert
Medi-Market is seeking a highly skilled and motivated Data Analyst / Power BI Expert to join our growing BI team. In this role, you will play a crucial part in transforming large and complex datasets into actionable insights, and developing advanced Power BI solutions to drive data-driven decision making across the organization. The position is based in Nivelles.

Key Responsibilities:

• Advanced Power BI Development:
• Design, develop, and maintain complex Power BI reports and dashboards, leveraging advanced DAX functions, complex measures, and efficient data modeling techniques.
• Optimize report performance for large datasets, ensuring efficient data loading, processing, and visualization.
• Implement row-level security and other security measures to ensure data integrity and confidentiality.
• Develop and maintain custom visuals and extensions to enhance reporting capabilities.
• Data Analysis and Visualization:
• Analyze large and complex datasets from various sources to identify trends, patterns, and insights.
• Create compelling and informative data visualizations that effectively communicate key findings to stakeholders.
• Develop and implement data quality checks and validation procedures to ensure accuracy and reliability of data.
• Collaboration and Mentorship:
• Collaborate effectively with data engineers to ensure seamless data integration and preparation for analysis.
• Provide guidance and mentorship to junior data analysts on Power BI best practices and advanced techniques.
• Actively participate in knowledge sharing and contribute to the development of the team’s expertise.

Profile:

• Education and Experience:
• Bachelor’s or Master’s degree in Computer Science, Statistics, or a related field.
• 5+ years of proven experience as a Data Analyst with a strong focus on Power BI development.
• Extensive experience working with large and complex datasets, including data warehousing and big data environments.
• Deep understanding of data modeling techniques, including dimensional modeling and star schema design.
• Technical Skills:
• Expert-level proficiency in Power BI Desktop and Power BI Service, including advanced DAX, Power Query (M), and data modeling capabilities.
• Strong SQL skills with experience in querying and manipulating data from various database systems.
• Experience with performance optimization techniques for Power BI reports and dashboards.
• Knowledge of data security best practices and implementation in Power BI.
• Personal Qualities:
• Strong analytical and problem-solving skills with a keen eye for detail.
• Excellent communication and presentation skills with the ability to explain complex data insights to both technical and non-technical audiences.
• Proactive and self-directed with the ability to work independently and as part of a team.
• Passion for data and a commitment to continuous learning and development.
• Fluent in French and proficient in English. Knowledge of Italian and/or Dutch is a plus.

Plus Points:

• Experience with other data visualization tools (Tableau, Qlik Sense).
• Knowledge of scripting languages such as Python or R.
• Experience with cloud-based data platforms (Azure, AWS).
• Microsoft Power BI certifications.

We Offer:

• Location: Nijvel/Nivelles
• Full time contract (indefinite period).
• Dynamical and fast evolving organisation.
• The opportunity to participate actively to the creation of a new concept and to a mid-size company in full expansion.
• Autonomy and entrepreneurship in your day-to-day work and in collaboration with your colleagues.
• Result drive management with a lot of room for personal initiative.
• A competitive salary in relation with your past experiences and responsibilities.
• The possibility to develop yourself both on personal and professional level

About Us
Medi-Market est un groupe belge en pleine expansion qui a pour ambition et mission de rendre la santé et le bien-être accessible à tous.
Pour mener à bien notre mission, nous cherchons avant tout des collègues ayant un plus dans leur personnalité, expertise et ambition. Quelque soit votre rôle dans l’entreprise, vous participerez activement à cet objectif.

• Advanced Power BI Development:
• Design, develop, and maintain complex Power BI reports and dashboards, leveraging advanced DAX functions, complex measures, and efficient data modeling techniques.
• Optimize report performance for large datasets, ensuring efficient data loading, processing, and visualization.
• Implement row-level security and other security measures to ensure data integrity and confidentiality.
• Develop and maintain custom visuals and extensions to enhance reporting capabilities.
• Data Analysis and Visualization:
• Analyze large and complex datasets from various sources to identify trends, patterns, and insights.
• Create compelling and informative data visualizations that effectively communicate key findings to stakeholders.
• Develop and implement data quality checks and validation procedures to ensure accuracy and reliability of data.
• Collaboration and Mentorship:
• Collaborate effectively with data engineers to ensure seamless data integration and preparation for analysis.
• Provide guidance and mentorship to junior data analysts on Power BI best practices and advanced techniques.
• Actively participate in knowledge sharing and contribute to the development of the team’s expertise