Chidozie Nkwor

PL-300 certified Data Analyst and BI Developer with 6+ years' experience across Travel, Tourism, Financial Services, and consulting, delivering 50+ Power BI dashboards and reducing manual reporting effort by 40%. Skilled in Power BI, SQL, Advanced Excel, DAX, Power Query, Azure data platforms, and semantic models, improving report performance by up to 30% and data accuracy by 25%. Experienced in KPI reporting across customer satisfaction, booking volume, and revenue performance, turning complex data into trusted insight for stakeholder decision-making.

Power BI Engineer - Vogue IT - Liverpool

(2026-05)

• Designed, built, and maintained interactive Power BI dashboards for operational reporting, KPI tracking, and management insight.
• Developed semantic models, relationships, calculated columns, and DAX measures to improve reporting accuracy and consistency.
• Used Power Query and SQL to clean, transform, and prepare datasets for analysis and dashboard development.
• Built KPI reporting views covering customer satisfaction, service performance, operational trends, and reporting accuracy.
• Maintained Power BI Gateway connections, monitored dataset refreshes, and supported Power BI workspace performance.
• Applied data validation, governance checks, and access controls to improve trust in reporting outputs.
• Worked with stakeholders to gather requirements, refine dashboard designs, and deliver reporting aligned to business needs.
• Improved reporting efficiency by creating reusable Power BI reports and reducing manual data preparation.
• Strengthened reporting reliability through refresh monitoring, validation checks, and Power BI Gateway support.

Consultant – Business Intelligence Developer - Talan Data & AI

(2025-11 - 2026-05)

• Designed Power BI semantic models, dimensional models, and data marts to support scalable reporting and consistent KPI definitions.
• Built self-service Power BI dashboards and standardised reporting templates, reducing manual analysis effort by 30%.
• Wrote and optimised SQL queries for data extraction, transformation, and analysis across cloud and relational data sources.
• Developed ETL/ELT pipelines using Azure Data Factory, Databricks, SQL, and Spark, reducing data preparation time by 25%.
• Created KPI dashboards to track booking volume, demand trends, revenue performance, and operational activity.
• Used DAX, Power Query, and Advanced Excel to create reusable reporting logic, calculated measures, and business KPIs.
• Improved data governance, data quality, KPI definitions, and report documentation to support auditability and reporting consistency.
• Worked with platform and data engineering teams to identify upstream data quality issues and improve reporting reliability.
• Worked with Microsoft Fabric concepts including lakehouses, data pipelines, and Fabric notebooks for modern analytics delivery.
• Delivered a BI Proof of Concept supporting portfolio-level decision-making and governed self-service analytics.
• Led Tableau-to-Power BI migration activity, improving reporting consistency and adoption of Microsoft analytics tools.
• Reduced reporting discrepancies by 20–25% through stronger validation, metric definitions, and data quality controls.

Power BI Developer - DigiPath Solutions - London

(2021-01 - 2025-11)

• Delivered 50+ Power BI dashboards, reducing manual reporting effort by 40%.
• Built scalable data models using star and snowflake schemas to support consistent KPI reporting.
• Developed SQL queries and ETL processes integrating SQL Server, cloud sources, and reporting datasets.
• Created DAX measures, calculated columns, and Power Query transformations for business reporting.
• Designed commercial reporting dashboards covering revenue performance, sales trends, operational KPIs, and management reporting.
• Optimised Power BI dashboards and semantic models, improving report performance by up to 30%.
• Supported self-service analytics through reusable datasets, standardised reporting templates, and clear report documentation.
• Applied data validation, Row-Level Security, and governance controls to improve reporting accuracy by 25%.
• Translated complex data into clear dashboard narratives for non-technical stakeholders.
• Improved reporting data accuracy by 25% through KPI standardisation, validation checks, and improved data modelling.
• Enabled self-service analytics by delivering governed datasets and user-friendly Power BI dashboards.
• Reduced manual reporting effort by 40% by replacing spreadsheet-led reporting with automated Power BI dashboards.

Data Analyst - Digital Insight - Liverpool

(2020-01 - 2021-01)

• Used Advanced Excel, SQL, and Power BI to analyse business data and produce recurring reporting outputs.
• Built Excel reports using pivot tables, lookup formulas, Power Query, Power Pivot, and complex formulas.
• Developed Power BI reports to support operational insight, KPI monitoring, and trend analysis.
• Used SQL to extract, transform, and analyse data for business reporting.
• Supported customer and performance reporting, including customer satisfaction trends, reporting volumes, and business activity.
• Completed data quality checks, dashboard updates, and stakeholder reporting requests.
• Replaced manual Excel-based reporting with clearer Power BI reports, improving reporting visibility.
• Supported faster business decisions through improved KPI reporting and trend analysis.

BSc - Nursing Science - University of Port Harcourt