Open to opportunities

Walton Charles

@cwalton

Advanced Data Analyst with 7+ years in BI and data warehousing, skilled in Python, MySQL, and Tableau, driving data-driven decisions.

Nigeria

Message

What I'm looking for

I seek a role that fosters collaboration and innovation, with opportunities for growth.

Advanced Data Analyst with 7+ years of experience delivering impactful business intelligence, analytics, and data warehousing solutions across IT and Financial Services. Expert in translating business requirements into actionable analytic solutions, leveraging MySQL, Python, Tableau, and simulation tools to drive process improvement

and strategic decision-making. Proven ability to build dynamic dashboards, automate data pipelines, and develop robust data models to support project lifecycles and business initiatives. Adept at collaborating with cross-functional stakeholders, implementing best practices, and enabling data-driven transformation within enterprise environments.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Amdari Inc

Dec 2025 - Present (2 months)

Developed and maintained Tableau and Power BI dashboards, reducing manual reporting effort by 50% and enabling near real-time executive visibility; streamlined data validation and automated data preparation using MySQL and Python.

Tableau Power BI MySQL Python Data Visualization ETL Automation Data Validation Data Warehousing

Data Analyst

Digital Fortress Centre

May 2024 - Dec 2024 (7 months)

Automated ingestion and transformation pipelines with Python and SQL, saving 10+ hours weekly, and built Tableau/Power BI KPI dashboards that improved business conversion rates by 15% while reducing reporting errors by 25%.

Python SQL Tableau Power BI ETL Data Quality Dashboard Design Automation

Project Analytics Lead

Almond Careers

Apr 2019 - Dec 2022 (3 years 8 months)

Led analytics for distributed project teams, designing standardized dashboards and forecasting models that increased leadership decision accuracy by 30% and reduced project delays by 20%.

Project Analytics Dashboarding Forecasting KPI Tracking Data Modeling Automation Stakeholder Management Risk Analysis

Business Intelligence Analyst

Skye Bank Plc

Apr 2007 - Dec 2017 (10 years 8 months)

Analyzed customer and financial data using SQL and BI tools to drive a 20% increase in cross-selling and support 500+ annual client onboardings, improving customer growth by 25%.