Open to opportunities

RPN Samuel Aigborna john

@rpnsamuelaigbornajoh

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Results-driven AI/ML Engineer and Data Scientist with 4+ years experience.

Nigeria

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What I'm looking for

I am looking for a role that fosters innovation, encourages continuous learning, and offers opportunities for professional growth in AI and data science.

I am an AI/ML Engineer and Data Scientist with over four years of experience in designing, developing, and deploying innovative machine learning solutions across various sectors, including fintech and e-commerce. My expertise lies in building advanced AI chatbots, predictive models, and automated data pipelines using state-of-the-art frameworks like LangChain and PyTorch. I have a proven track record of enhancing user engagement and optimizing business processes through data-driven applications.

Throughout my career, I have successfully led cross-functional teams and delivered technical training, equipping over 50 students with industry-relevant skills in data analysis and machine learning. My academic background includes a Bachelor’s degree in Economics with top honors, which complements my technical skills in SQL, Python, and data visualization. I am passionate about leveraging technology to drive strategic initiatives and improve decision-making efficiency.

Experience

Work history, roles, and key accomplishments

AI/ML Engineer

SMEFunds

Jan 2025 - Jun 2025 (5 months)

Led technical coordination of engineering meetings and task planning for Kike AI, a WhatsApp-based chatbot platform. Designed and deployed a modular AI agent architecture using LangChain, LangGraph, and OpenAI’s GPT-4, enabling dynamic tool routing and reasoning across conversation flows.

Lang Chain LangGraph OpenAI GPT 4 NLP Retrieval Augmented Generation (RAG)ChromaDB Pinecone

Tech Trainer & Assistant Team Lead

JVEC SOLUTIONS

Nov 2022 - Dec 2024 (2 years 1 month)

Designed and delivered comprehensive training programs in Data Analysis and Data Science to over 50 students across Nigeria and the UK. Mentored junior analysts and students, providing individualized support and feedback to accelerate learning outcomes.

Data Analysis Data Science Python SQL Power BI Excel Machine Learning Team Leadership Project Management Training Delivery

Data Scientist/ML Engineer

ANALYTICS.AI

Nov 2022 - Dec 2024 (2 years 1 month)

Designed and implemented custom AI models for client integration, resulting in a 30% increase in automation and decision-making efficiency. Developed a real-time NLP-powered chatbot for an e-commerce platform, enhancing user engagement and customer experience by 60%.

NLP Python PyTorch JavaScript Web Scraping MySQL Data Analysis Power BI Excel

Senior Data Analyst/SQL Developer

Salad Africa

Mar 2024 - Jul 2024 (4 months)

Utilized advanced SQL queries to join and extract data from PostgreSQL databases, processing 10,000 finance records per query. Created KPI dashboards tracking key metrics like total payroll, disbursements, revenue, and user activity, enabling strategic insights.

SQL PostgreSQL Metabase Excel KPIs Data Cleaning Data Visualization Financial Analysis

Data Analytics/DATA SCIENTIST

Prodigy Infotech

Feb 2023 - Jun 2023 (4 months)

Conducted sentiment analysis on social media data using the XGBoost algorithm, achieving 80% accuracy in classifying user emotions. Developed a predictive model for customer behavior in bank marketing campaigns, reaching an 85% success rate.

XGBoost Machine Learning Power BI SeaBorn Matplotlib Streamlit Data Visualization

AI/ML Engineer Intern

Intern Career

Feb 2022 - Jun 2022 (4 months)

Collaborated with a team of data scientists to develop a machine learning model for breast cancer diagnosis, achieving 90% accuracy. Deployed the model via Streamlit to create an interactive web application for healthcare professionals.

Machine Learning Streamlit Logistic Regression Python scikit learn Matplotlib SeaBorn Data Cleaning

Data Analyst Intern

Just_Quality_team

Mar 2020 - Dec 2020 (9 months)

Created more than 20 visualizations and reports to communicate data findings effectively, engaging stakeholders in actionable insights. Conducted quality assurance checks on data outputs for accuracy and reliability, reviewing 100 reports and dashboards monthly.

Data Visualization Data Cleaning data preprocessing Quality Assurance Reporting

Education

Degrees, certifications, and relevant coursework

University of Benin

Bachelor of Science, Economics

Grade: 3.95

Activities and societies: Member of the 36th Assembly of Social Science Parliament; Electoral Chairman at National Economic Student Association (NESA), University of Benin; Assistant Director of Sport and Welfare at National Economic Student of Nigeria (NESA), University of Benin.

Completed a Bachelor of Science in Economics with top academic honors. Gained expertise in financial data analysis, credit scoring, and economic trend analysis. Participated actively in student organizations, holding leadership positions.