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Ndubuisi Osuji

BI Engineer

New York, United StatesMENTORED 0

I am vast in

At Wise, I bring over three years of experience as a Business Intelligence Specialist, helping teams make smarter decisions with data. I’m skilled in SQL, Looker, Superset, and analytics, and I focus on turning complex data into clear, actionable insights for stakeholders across the company. I also handle ad hoc data requests quickly and efficiently, making sure everyone gets t...

Expertise

Specialties

Database AdministrationData EngineeringAI & Machine Learning

Industries

FinTech

Core Skills

Apache AirflowMySQLPostgreSQLSQLdbt

Experience

Reporting Analyst

Wise

2022 — Present

I turn complex data into actionable insights that support business decisions. I develop and maintain performance and demand reports, providing stakeholders with clear visibility into key trends. Working closely with engineering teams, I help create monitoring solutions for workload demand. I also investigate differences between actual and forecasted demand, identifying root causes and recommending improvements to enhance operational efficiency.

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What You Will Learn * Introduction to databases and how data is stored. * Understanding SQL and its role in data analysis. * Retrieving data using `SELECT` statements. * Filtering data with `WHERE`, `AND`, `OR`, and `IN`. * Sorting and limiting results using `ORDER BY` and `LIMIT`. * Working with aggregate functions such as `COUNT`, `SUM`, `AVG`, `MIN`, and `MAX`. * Grouping data with `GROUP BY` and filtering groups with `HAVING`. * Combining data from multiple tables using `JOINs`. * Using subqueries and Common Table Expressions (CTEs). * Writing real-world business queries and solving practical case studies. * SQL best practices and common mistakes to avoid. * Hands-on exercises and practice questions to build confidence.

**What You Will Learn in Tableau Visualization** * Introduction to data visualization and the role of Tableau in data analysis. * Understanding Tableau interface, workspace, and key components. * Connecting Tableau to different data sources (Excel, SQL databases, and more). * Cleaning and preparing data for analysis within Tableau. * Creating basic charts such as bar charts, line graphs, pie charts, and scatter plots. * Building interactive dashboards and storytelling with data. * Using filters, parameters, and calculated fields for deeper insights. * Applying aggregation and grouping to summarize data effectively. * Designing user-friendly dashboards with best practices in layout and formatting. * Sharing and publishing dashboards for business stakeholders. * Hands-on exercises to build real-world dashboards and improve confidence.

You’ll confirm details, availability, and any prep notes before anything is booked.