Data & Insights Analyst

Jesumbo
Joseph Oludipe

Data analyst specialising in turning complex business problems into clear, actionable insights. Across utilities, finance, and digital marketing sectores with Power BI, SQL, Python, Excel, Azure & Databricks.

Jesumbo Joseph Oludipe
JJO
7+ Years of
Experience
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Turning data into
decisions that matter

I'm a data analyst with over seven years of experience driving strategic insights and operational efficiency across water utilities, financial services, and digital marketing sectors.

Proficient in Excel, Python, SQL, Power BI, Databricks, and Azure Data Factory, I specialise in transforming complex business requirements into effective technical solutions, from optimising ETL pipelines to building executive dashboards that inform real decisions.

Currently working as a Data Analyst at Thames Water, delivering data-driven insights that support operations teams across the network.

SQL
Power BI
Python
Azure Data Factory
Databricks
Excel
Salesforce
Tableau
Fabric

Where I've worked

Sep 2024 — Present Current

Data Analyst

Thames Water, UK

Leveraged SQL, Power BI, Python, Azure Data Fcatory, and Databricks to deliver insights and ensure top-tier water supply and waste management services. Developed dashboards monitoring case resolution, leakage levels, and engineering processes across the water supply network, driving efficiency and operational excellence.

SQLPythonPower BIDatabricksAzureSalesforce
Sep 2025 — Jan 2026 Secondment

Business Insights Manager

Thames Water, UK

Led a team of five analysts overseeing delivery of 25+ Power BI dashboards, SQL reports, and Databricks models. Drove root cause analysis on operational issues, reducing customer complaints through early warnings. Collaborated with senior stakeholders to align analytics strategy with business goals and scaled organisational use of Power BI and Databricks.

Power BISQLExcelPower AppsPower Automate
Sep 2023 — Aug 2024

Strategy & Inventory Analyst

Cabot Financial, UK

Built optimised ETL pipelines using SQL Server, Azure Databricks, and Power BI. Identified dormant accounts generating £100k+ in additional revenue and implemented strategies to prevent account losses while reducing operational costs.

SQL ServerDatabricksPower BIExcelGCP
Sep 2022 — Aug 2023

Data Analyst

Digital Echoes, UK

Led a team of analysts to optimise marketing campaigns, significantly improving ROI. Used SQL to analyse sales data and developed Python algorithms to analyse customer behaviour patterns, driving increased acquisition. Improved website performance via Power BI and Google Analytics.

PythonSQLPower BIGoogle AnalyticsExcel
Apr 2020 — Aug 2022

Data Analyst

Onyema Osueke Finance & Consulting, Nigeria

Led strategic planning and financial analysis to drive revenue growth. Developed automated Excel templates for streamlined payroll management and designed user-friendly Power BI dashboards to enhance data accessibility for non-technical stakeholders.

ExcelSQLPower BI

Selected work

Cross-Selling in Banking
View Project
Power BIPython

Cross-Selling Opportunities in Banking

In-depth analysis of 13.6 million customer records to uncover cross-selling opportunities across banking products.

View Project →
Sylip Corporation
View Project
ExcelSQLPower BI

Retail Profitability for Sylip Corporation

Uncovered profitability and performance insights for a multi-category retail company covering household items, groceries, and clothing.

View Project →
Energy Trends
View Project
ExcelSQL

Energy Trends & CO2 Emissions Analysis

Comprehensive SQL analysis of global energy consumption and CO2 emissions revealing strong correlations across regions.

View Project →
Social Media Advertising
View Project
ExcelSQLPower BI

Social Media Advertising Insights

Led a 5-person team analysing Facebook and Instagram KPIs — ad spend, reach, engagement, and monthly growth rates.

View Project →
US Cab Industry
View Project
Power BI

US Cab Industry Analysis

Data-driven Power BI dashboard unveiling strategic opportunities and performance metrics across the US cab market.

View Project →
Movie Correlation
View on GitHub
Python

Movie Correlation Analysis

Exploratory correlation analysis on a movies dataset using pandas, numpy, seaborn, and matplotlib.

View on GitHub →
Call Centre Dashboard
View on Tableau
Tableau

Call Centre Dashboard

Interactive Tableau dashboard visualising call centre metrics — resolution rates, agent performance, and satisfaction trends.

View on Tableau →

Professional credentials

On Medium

Let's connect

Whether you have a data challenge to solve, a role to discuss, or just want to connect — I'd love to hear from you.