Senior BI Developer (Microsoft Stack)

Job Title: Senior BI Developer (Microsoft Stack) Location: Lisbon, Portugal Work Regime: Full-time & Hybrid (2x office days) Overview / Summary: We are looking for a Senior Business Intelligence Specialist with extensive experience in the Microsoft SQL ecosystem, responsible for designing, developing, maintaining, and optimizing corporate BI solutions, ensuring data quality, performance, security, and reliability. Responsibilities and Tasks: Design, develop, maintain, and optimize corporate BI solutions, ensuring data quality, performance, security, and reliability across the Microsoft SQL ecosystem. Define end-to-end BI architectures and build complex data models using relational and dimensional modeling (Star Schema / Snowflake). Develop ETL/ELT processes with SSIS and analytical models with SSAS (Multidimensional and Tabular), including DAX and MDX. Create reports and dashboards in SSRS and Power BI, implementing security and access control (including RLS). Perform performance tunin...