Narendran Murugesan
Power BI Developer
About
Power BI Developer with 5 years of experience in Business Intelligence, dashboard development, and data modelling, skilled in Power BI Desktop, Power BI Service, Power Query, DAX, and SQL. Experienced in building semantic models, implementing Power BI security (RLS, OLS, CLS), and optimizing report performance across enterprise-scale environments. Adept at translating business requirements into scalable BI solutions through close stakeholder collaboration.
Skills & Expertise (32)
Work Experience
Power BI Developer
Highmark
Dec 2025 - Present
Worked on a healthcare analytics engagement for Highmark analyzing patient data, claims performance, and operational metrics. Built Power BI dashboards integrating SQL Server data to surface healthcare trends, treatment performance, and operational efficiency in support of data-driven decisions. Designed and developed interactive dashboards to monitor patient trends, claims performance, and healthcare operational KPIs. Extracted and transformed healthcare data from SQL Server using optimized SQL queries and ETL processes. Created advanced DAX measures and KPIs for claim approval rates, patient volume, treatment costs, and operational efficiency. Performed data validation and quality checks to maintain accuracy, consistency, and reliability across reports and dashboards. Implemented Row-Level Security (RLS) to secure restricted access to sensitive patient and healthcare information. Collaborated with healthcare stakeholders to gather reporting requirements and align dashboard design with operational and compliance needs.
Power BI Developer
Vee Technologies
Sep 2021 - Present
Designed and delivered end-to-end Power BI reporting and analytics solutions for enterprise-scale environments, ensuring scalable and high-performing outputs. Built interactive dashboards and managed deployment across Power BI Desktop and Power BI Service to support KPI tracking and ongoing monitoring. Constructed robust data models using Star Schema and Snowflake Schema aligned with data warehousing best practices for reliable, well-organized reporting. Authored complex DAX calculations, KPIs, and business logic to analyze organizational performance and support decision making. Performed data transformation, cleansing, and ETL using Power Query (M Language) to produce clean, consistent, and accurate datasets. Integrated data from multiple sources, including SQL Server, Azure Data Warehouse, Snowflake, and Databricks, to enable unified reporting. Developed and maintained semantic models and reusable datasets to promote consistency and support self-service analytics across teams. Implemented Power BI security models (RLS, OLS, CLS) to enforce data governance, regulatory compliance, and secure, role-based access. Administered Power BI Service, including workspace management, data refresh scheduling, and gateway configuration. Applied performance optimization techniques such as query tuning, aggregation tables, and incremental refresh to improve report efficiency. Translated business requirements into technical BI solutions, delivering impactful data visualizations for business users. Automated data pipelines and report refresh processes to reduce manual intervention and improve operational efficiency. Onboarded and integrated new data sources into Power BI, ensuring seamless data flow and scalable reporting solutions. Collaborated closely with stakeholders through regular communication and knowledge sharing, supporting business users and driving platform adoption.
Power BI Developer
Hy-Vee
Jan 2022 - Dec 2025
Contributed to a retail analytics engagement for Hy-Vee focused on sales performance, customer buying behavior, inventory trends, and store operations. Delivered Power BI dashboards and paginated reports built on SQL Server data to provide visibility into revenue, product movement, and operational efficiency for retail decision-making. Developed interactive Power BI dashboards to track daily sales, product performance, inventory levels, and store operations. Built paginated, print-ready reports using Power BI Report Builder for management review and distribution of detailed sales and operational data. Extracted retail data from SQL Server using SQL queries, performing cleaning and transformation to prepare datasets for reporting. Constructed structured data models with well-defined relationships to support accurate, high-performing dashboards. Created DAX calculations and KPIs covering revenue growth, sales trends, customer buying behavior, and inventory movement. Implemented Row-Level Security (RLS) to restrict data access according to user roles. Collaborated with business and operations teams to gather requirements, validate data accuracy, and deliver decision support dashboards. Optimized report performance and refresh scheduling to support timely, accurate access to sales and inventory data across store locations.
Power BI Developer
Prudential Financial
Sep 2021 - Jan 2022
Supported an insurance analytics engagement for Prudential Financial using Power BI and SQL to analyze policy performance, claims trends, and financial metrics, developing dashboards and reports that supported data-driven business decisions and operational efficiency. Developed interactive dashboards and reports to monitor policy performance, claims trends, customer retention, and insurance KPIs. Extracted, transformed, and cleaned data from SQL databases using SQL queries, ETL techniques, and Power Query for accurate analysis. Created DAX measures, KPIs, and optimized data models to analyze claims, premium trends, policy renewals, and financial performance. Implemented Row-Level Security (RLS) and improved report performance through query tuning and data model optimization. Collaborated with business stakeholders to gather requirements and ensure dashboards accurately reflected policy and claims reporting needs.
Education
Bachelor of Engineering - Dhirajlal Gandhi College of Technology
2016 - 2019 · Afghanistan
Diploma in Production Engineering - Thiyagarajar Polytechnic College Salem
2013 - 2016 · Afghanistan
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Skills (32)
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