Power BI Developer

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

• Design, develop, and maintain Power BI dashboards and reports tailored to business and operational needs, ensuring clear insights and user-friendly experiences.
• Implement interactive dashboards with advanced filtering, slicing, and drill-down capabilities while maintaining a fast, responsive user experience.
• Analyze and resolve performance bottlenecks related to data volume, transformations, DAX calculations, and visual interactions, applying best practices to ensure optimal performance for large datasets (50,000+ records).
• Design and implement robust data models using fact/dimension principles (star and snowflake schemas) to support efficient, scalable analytics.
• Develop and optimize calculated measures and KPIs using DAX, balancing complexity with maintainability and performance.
• Work with relational data sources and SQL queries to prepare high-performance datasets, coordinating with application development teams and data owners on data extraction and transformation strategies.
• Document dashboards, data models, calculations, and performance considerations, contributing to a shared knowledge repository for future reference.
• Deliver maintainable, reliable Power BI solutions that integrate with enterprise data platforms and comply with organizational standards.
• Other specific duties as assigned by the team leader.

• Advanced university degree (Master’s or equivalent) in computer science, information systems, data analytics, engineering, or a related field (required); a first-level degree combined with additional experience may be accepted in lieu of the advanced degree.
• At least five years of professional experience in data analytics, business intelligence, or reporting solution development, including extensive hands-on experience with Microsoft Power BI.
• Strong understanding of data modeling concepts (fact and dimension tables, star and snowflake schemas) and proven ability to design optimized data models for complex datasets.
• Advanced knowledge of DAX, with expertise in creating efficient calculated measures and KPIs for high-performance, interactive dashboards.
• Proficiency in SQL and relational databases, with experience delivering high-performance Power BI solutions for large datasets and applying platform optimization techniques.
• Excellent analytical and problem-solving skills; ability to troubleshoot and optimize Power BI data models, DAX calculations, and visualizations for speed and reliability.
• Effective communication skills and ability to work with both technical and non-technical stakeholders in large, complex organizations.
• Proactive attitude and strong organizational skills; able to plan, prioritize, and deliver work within agreed timelines.
• Fluency in written and spoken English.