Tunde Ajose-Ismail

Highly skilled and dedicated Power BI Developer with over 5+ years of experience, seeking a challenging role to utilize my expertise in designing and developing business intelligence solutions using Power BI. I am passionate about leveraging data visualization to drive insights and enable data-driven decision-making. Strong knowledge of data modeling, DAX, and SQL, with a focus on optimizing performance and enhancing user experience. Excellent communication and collaboration skills, able to work effectively in cross-functional teams.

Jan 2020 - May 2023        Business Intelligence Analyst (Power BI Developer)      

                                              The Federal Polytechnic, Nigeria

• Developed interactive dashboards, reports, and visualizations using Power BI Desktop and Power BI Service to provide actionable insights to stakeholders.
• Delivered projects within allocated timelines and budget constraints, achieving a 90% on-time project completion rate.
• Collaborated with business users to gather requirements, understand data sources, and design efficient data models for Power BI solutions.
• Utilized Power Query and M Query to extract, transform, and load data from various sources, including relational databases, Excel files, and APIs.
• Streamlined the ETL process, leading to a 20% improvement in data loading efficiency.
• Implemented complex calculations and business logic using DAX (Data Analysis Expressions) to support advanced analytics and KPI tracking.
• Created and managed data refresh schedules, gateways, and security settings in Power BI Service.
• Implemented a financial reporting solution that reduced the reporting cycle time by 30%.
• Conducted performance tuning and optimization of Power BI reports and dashboards to enhance responsiveness and user experience.
• Provided training and support to end-users, empowering them to leverage Power BI's self-service capabilities.
• Collaborated with the development team to integrate Power BI reports into web applications and portals

Jan 2016 - Dec 2019        Junior Power BI Developer 

                                          The Federal Polytechnic, Nigeria

• Designed and developed Power BI solutions for multiple clients, spanning various industries, including finance, healthcare, and manufacturing.
• Developed a sales performance dashboard that resulted in a 15% increase in sales productivity.
• Conducted workshops and requirements gathering sessions with clients to understand their data analysis needs and translate them into actionable reports and dashboards.
• Built complex data models using Power BI Desktop, incorporating multiple data sources and relationships to enable comprehensive data exploration.
• Implemented row-level security and data access controls to ensure data confidentiality and compliance with regulatory requirements.
• Created automated ETL processes using Power Query to cleanse and transform raw data before loading it into Power BI.
• Developed custom visuals and templates to meet specific client requirements and enhance data visualization capabilities.

Collaborated with cross-functional teams, including data engineers and business analysts, to ensure data accuracy and alignment with business objectives

Master of Science: Computer Science              March 2013 - June 2015