John Nmadu

WORK HISTORY

EDUCATION

ABOUT JOHN NMADU

Experienced freelance Business Intelligence and Data Analytics Developer. I am expert in understanding business challenges then developing customised analytics and advanced data visualisation to support informed decision-making by leveraging cutting edge technologies. Key strengths: I possess strong analytical thinking and problem-solving skills, turning obstacles into opportunities by leveraging data. I am technically proficient in BI tools and programming languages, enabling me to lead the extraction, processing, and analysis of large datasets and the development of sophisticated analytics models. I have communication and data visualisation skills, able to create intuitive charts, graphs, and dashboards that facilitate data-driven decision-making across all levels of the organisation. I possess business acumen and strategic thinking skills, aligning data analytics with business objectives and strategy. Key skills: Business Acumen | Client Relationship Management | Complex Data Analysis | Data-Driven Decision Management Data Modelling and Best Practice | Data Product Development Lifecycle | Data Visualisation and Best Practice | Programme Governance, Controls and Reporting | Project Management | Requirements Gathering | Risk and Issue Management | Script and Query Creation | Stakeholder Management | User Acceptance Testing (UAT) Technical skills: Databases: Microsoft Azure SQL, Oracle, SQL Server, Five Tran, Snowflake Business Intelligence Tools: Power BI Desktop, Tableau,SSRS Programming: SQL, VBA, C#, Python and R General: Microsoft Office Excel, Access, Word, PowerPoint and Visio,Atlassian Jira ETL/ELT, Alteryx,SSIS,Complex Data Analysis, Data-Driven Decision Data Modelling; Data Visualisation and Best Practice,Microsoft Fabric.