Summary
Overview
Work History
Education
Skills
Websites
Certification
Languages
Timeline
Generic

Bessy Onuoha

Paris

Summary

Highly analytical data analyst with a Master’s in Big Data Analytics for Business. I specialize in transforming complex data into actionable insights for product and strategy teams within fast-paced environments. My expertise spans SQL querying, Python, Google BigQuery, DBT, and data visualization, actively promoting self-serve analytics, and robust data reliability. A skilled communicator and team collaborator, I leverage data trends and patterns to enable data-driven decision-making and solve critical business challenges.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Junior Data Analyst

Upflow SAS
Paris
05.2025 - Current
  • Integrated Vertex AI with BigQuery to automate and scale complex data requests using Large Language Models (LLMs), enabling self-serve analytics and accelerating insights generation across teams.
  • Designed and developed automated 7+ dashboards and visualizations using SQL and BI tools (BigQuery, Sisense), effectively communicating crucial data findings to stakeholders.
  • Acted as a bridge between technical data sources and business needs by analyzing product usage and customer behavior, while collaborating with finance and marketing teams to define KPIs, and ensure data accuracy and consistency across the organization.
  • Ensured high data quality by identifying 10+ inconsistencies in the data warehouse (using DBT and BigQuery) and collaborating with engineers to implement fixes upstream.
  • Acted as a bridge between technical data sources and business needs, analyzing product usage and customer behavior across the platform to deliver actionable insights for key stakeholders.

Data Analyst Intern

Upflow SAS
Paris
11.2024 - 04.2025
  • Conducted ad-hoc analysis to uncover user behaviour, influencing prioritization in upcoming product sprints.
  • Developed 10+ dashboards using SQL and Google BigQuery to track product engagement, user behavior, and operational performance.
  • Collaborated with Sales, Finance, and Product teams to optimize the opportunity funnel, shared company-wide to drive data-driven product and growth strategies.
  • Designed and maintained ETL pipelines using DBT, BigQuery, and Stitch, ensuring data integrity and reducing retrieval times by 25% to support rapid decision-making in a fast-paced SaaS environment.

Banking Officer

Access Bank Plc
10.2019 - 08.2023
  • Executed financial data analysis with SQL and Excel, increasing engagement by 40% for sales strategies.
  • Built robust reporting tools, automating workflows to cut errors by 20%, and supported Procurement and Finance teams with detailed trend insights.
  • Coordinated with cross-functional stakeholders, addressing complex client questions and proposing process improvements with a focus on detail.

Education

Masters Degree - Big Data Analytics for Business

IESEG School of Management
Lille
10.2025

Skills

  • SQL
  • DBT
  • Python
  • KPI Tracking
  • Product Analytics
  • Analytical / Problem Solving Skills
  • Communication/Collaboration
  • Github / Versioning
  • Data visualization
  • Big data analytics

Certification

Tableau Desktop Specialist - Tableau 10/2023 - Present

Languages

English
First Language
French
Elementary (A2)
A2

Timeline

Junior Data Analyst

Upflow SAS
05.2025 - Current

Data Analyst Intern

Upflow SAS
11.2024 - 04.2025

Banking Officer

Access Bank Plc
10.2019 - 08.2023

Masters Degree - Big Data Analytics for Business

IESEG School of Management

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Bessy Onuoha