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Tobi Bolu

@tobibolu

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I'm a Data Analyst, based in Lagos, Nigeria

Nigeria

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What I'm looking for

I am Oluwatobiloba Bolu, a seasoned Data Analyst with a robust background in leveraging data-driven insights to steer strategic decision-making. Hailing from Lagos, Nigeria, I bring a wealth of experience in analyzing and interpreting complex datasets, implementing machine learning solutions, and contributing to the development of impactful business strategies.

My professional journey includes significant roles at Billups Inc and gomoney Financial Services, where I spearheaded projects ranging from accelerating project processing time through code optimization to developing and maintaining predictive churn models. I am well-versed in a comprehensive array of data analysis tools, programming languages, and machine learning frameworks, showcased through my hands-on experience with SQL, Python, R, Tableau, PowerBI, and more.

My commitment to excellence is evident in the successful implementation of automated dashboards, the creation of ETL pipelines for streamlined data processing, and the development of models that significantly reduce customer churn and enhance customer acquisition.

Having earned a Data Analyst Nanodegree from Udacity, along with a PGDip in Computer Science from Swansea University and a BA in Business Economics from the University of Exeter, I am equipped with a solid educational foundation that complements my practical expertise.

I am excited about the prospect of contributing my skills and passion for data analytics to further the goals of innovative and forward-thinking teams. Let's explore how my analytical prowess and dedication to continuous learning can bring valuable insights to your organization.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Turing

Jun 2024 - Present (1 year)

Developed and analysed comprehensive training datasets for large language models
(LLMs), implementing data quality metrics that improved model performance by 20%
through systematic evaluation and refinement.
• Conducted in-depth analysis of model behaviours and failure patterns, developing
structured evaluation methodologies that enhanced model accuracy and reliability
across diverse use cases.

SQL Python Artificial Intelligence Data Modelling AI Training Machine Learning Reinforcement Learning

Data Analyst

Billups

Jul 2021 - Dec 2023 (2 years 5 months)

Implemented advanced attribution models that improved tracking accuracy by 20%
for digital marketing campaigns.
• Utilized historical data to enhance campaign ROI by 12%, supporting strategic
decision-making in marketing and product development.
• Directed audience exposure studies, achieving a 95% accuracy rate, which informed
targeted advertising strategies.

Python SQL Machine Learning

Data Analyst

gomoney

Dec 2019 - Jul 2021 (1 year 7 months)

Reduced customer churn by 15% through the development and implementation of
predictive churn models.
• Identified high-value customer segments, leading to a 7% increase in customer
lifetime value (CLV) and a 5% reduction in acquisition costs.
• Automated key performance indicator (KPI) dashboards using Tableau, improving the
efficiency of data-driven decision-making processes.

Python SQL Machine Learning Tableau

Data Analyst (Risk)

page financials

Mar 2019 - Dec 2019 (9 months)

Conducted risk assessments on loan applications, improving credit scoring accuracy
and reducing default rates by 10%.
• Collaborated with IT to implement enhanced credit scoring methodologies,
streamlining loan approval processes.
• Provided detailed risk analysis that informed the development of new loan products,
contributing to a 5% increase in loan approval rates.

Python Credit Risk Risk Modeling