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Akin-Johnson Oluwamayowa

Akin-Johnson Oluwamayowa

Data Scientist

DevSeal | Nigeria

Technologies

Data Scientist & Analyst | AI, ML & NLP(in view) | Python, SQL, PowerBI, TensorFlow/Keras |

My Work

Take a look at my latest work.

github

Text Summarization

PythonGit
github

Fraud Detection

github

Loan Approval

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Alt School Africa Diploma in Data Science

DataCamp Data Science for business (in view)

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Mr Leye | Jan 2025 - Present

Data Scientist

Designed a risk scoring system using key features, weights, and individual scores, improving fraud detection accuracy by 25%. Developed and trained machine learning models, achieving a 90% accuracy and F1 Score on best performing model. Implemented cross-validation techniques, enhancing model generalization and boosting precision and recall by 5%. Conducted hyperparameter tuning on multiple parameters on the best performing model, increasing the model’s performance by 30% in identifying potentially fraudulent activities.
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Mr Sodiq Akogun | Oct 2023 - Oct 2024

Data Analyst

Streamlined data collection and analysis workflows by collaborating with cross-functional teams, reducing processing time by 25% and improving accuracy by 15% in decision-making processes. Developed and implemented data cleaning and preprocessing pipelines using Python and SQL, enhancing data integrity and reducing manual intervention errors by 20%. Prepared and delivered periodic reports summarizing actionable insights, key trends, and performance metrics for stakeholders and project leads. Presented analytical findings and visualizations to technical and non-technical audiences, offering recommendations for strategic process improvements. Built predictive models using machine learning techniques, achieving a 90% accuracy rate in forecasting trends that informed product development strategies. Automated repetitive data tasks and optimized reporting processes, reducing manual effort and enabling faster turnaround times.

My Education

Take a look at my formal education

PGd in ProcurementUniversity of Lagos | 2024
Diploma in Data ScienceAlt School Africa | 2024
BSc in AccountingBowen University | 2020

About Me

Akin-Johnson Oluwamayowa

I’m a passionate data scientist focused on building intelligent systems, uncovering patterns in data, and turning raw information into strategic insights. AI, ML & NLP(in view) | Python, SQL, PowerBI, TensorFlow/Keras

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