Summary
Work History
Education
Skills
Timeline
Education and Training
Credit Risk AI App
Education and Training
Generic

Derrick Marfo

Lille

Summary

I am an applied Machine Learning and AI Engineer with strong expertise in data exploration, analysis, and feature engineering for building industry-ready models. I am proficient in Python, SQL, Scikit-Learn, TensorFlow, and Keras, with experience in EDA and model evaluation. evaluation. My background in software engineering allows me to deploy models into applications and deliver actionable insights through data trends, driving meaningful business impact.

Work History

Machine Learning Engineer

Freelance(Health Insurance)
02.2025 - 03.2025
  • Performed Exploratory Data Analysis(EDA) using Pandas and Matplotlib to uncover patterns in customer demographics and health data, and engineered features that improved model performance for predicting insurance amounts.
  • Achieved high model accuracy (99% for adult customers, 98% for young customers) using XGBoost, conducted rigorous error analysis to validate results, and improved reliability by segmenting and retraining the data.
  • Delivered actionable insights that enabled the company to optimize pricing strategies and increase profit margins by an estimated 10–15% through more accurate risk assessment.

Data Analyst Intern, Electricity Company of Ghana,

Electricity Company Of Ghana
09.2024 - 11.2024
  • Executed data processing, cleaning, and querying in IT Department at Electricity Company of Ghana using libraries such as Pandas and NumPy.
  • Collaborated with a team to develop a system for analyzing customer payment behavior, contributing to a project that clustered data using DBSCAN, achieving a silhouette score of 0.89.
  • Optimized financial planning by using the model to accurately estimate operational funds, resulting in a 38% reduction in typical monthly losses.

Education

Master of Science - Artificial Intelligence

Junia – Institut Supérieur De L’Électronique Et Du
France, Lille
04-2027

Bachelor of Science - Computer Science

Kwame Nkrumah University Of Science And Technology
Ghan, Kumasi
01-2026

Skills

  • Scikit-learn
  • TensorFlow with Keras
  • Pandas
  • Numpy
  • Matplotlib and Seaborn
  • Python
  • ML (supervised and unsupervised)
  • SQL
  • Ensemble learning
  • XGBoost

Timeline

Machine Learning Engineer

Freelance(Health Insurance)
02.2025 - 03.2025

Data Analyst Intern, Electricity Company of Ghana,

Electricity Company Of Ghana
09.2024 - 11.2024

Master of Science - Artificial Intelligence

Junia – Institut Supérieur De L’Électronique Et Du

Bachelor of Science - Computer Science

Kwame Nkrumah University Of Science And Technology

Education and Training

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Credit Risk AI App

  • Developed a credit risk assessment app using Flutter for cross-platform deployment, integrating a classification model to predict user creditworthiness
  • Performed data preprocessing and feature engineering on financial and demographic data to improve model accuracy.
  • Trained and fine-tuned a classification model (XGBoost) achieving high predictive performance and reliable risk assessment.
  • Implemented app integration, allowing users to input data and receive real-time credit risk predictions, providing actionable insights for financial decision-making.

Education and Training

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Derrick Marfo