OLUWATOBI BETIKU

DATA SCIENTIST
Lagos, NG.

About

Data Scientist with over 5 years of experience in developing and deploying advanced predictive modeling, NLP, and time series forecasting solutions across production environments. Proven expertise in fine-tuning transformer models, building scalable AI pipelines, and leading cross-functional teams to deliver production-ready AI systems that drive significant business impact and operational efficiencies.

Work

Hesed Edusuite
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Data Scientist

Lagos, Lagos, Nigeria

Summary

Leads data analytics initiatives, designing and deploying real-time dashboards to monitor key academic and financial KPIs, significantly improving operational visibility.

Highlights

Designed and deployed a real-time analytics dashboard using Chart.js and SQL to monitor key academic and financial KPIs, providing comprehensive data insights.

Reduced manual reporting time by 60% and enhanced visibility into attendance/finance trends, enabling rapid identification of at-risk students and informed decision-making.

Independent Consultant (Upwork)
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ML Engineer & Data Scientist

Remote, Remote, US

Summary

Provided expert ML engineering and data science consulting, delivering advanced NLP, MLOps, and forecasting solutions for global clients.

Highlights

Fine-tuned SecROBERTA (BERT) on CVE descriptions to classify MITRE ATT&CK techniques, achieving 86.47% precision and a minimal 0.0071 validation loss.

Developed and Dockerized an LSTM-based RNN for daily temperature forecasting, enabling scalable inference deployments on cloud environments.

Provided technical advisory, translating ambiguous business needs into clear technical roadmaps for global clients, consistently securing repeat engagements through high-quality deliverables.

TELESOFT
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Data Science / Chatbot Development - CONTRACT

Various, CA, US

Summary

Led the design and integration of conversational AI solutions, automating candidate screening and ensuring data integrity for HR pipelines.

Highlights

Led the architectural design and implementation of a recruitment conversational AI using Dialogflow and JavaScript, automating initial candidate screening for the HR pipeline.

Developed robust API connectors and regex-driven logic layers to synchronize chatbot activity with backend databases, ensuring 0% data loss during peak traffic.

OCTOSHREW
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Machine Learning Engineer - CONTRACT

Cambridgeshire, Cambridgeshire, UK

Summary

Re-engineered NLP workflows and automated intelligence pipelines to enhance model accuracy and data collection efficiencies.

Highlights

Re-engineered the NLP workflow using spaCy and NLTK, boosting downstream model accuracy from 68% to 83% through advanced text analysis.

Developed a custom ScrapeAPI + Zyte Smart Proxy pipeline integrated with Google Search API to generate fully automated SEO performance reports.

Eliminated manual data collection, enabling real-time competitor analysis and strategic content benchmarking for enhanced strategic decision-making.

AELOUS
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Machine Learning Engineer Experience

Bangalore, Karnataka, India

Summary

Enhanced model predictive accuracy and established engineering standards to improve development velocity.

Highlights

Led data-quality improvements and augmentation efforts, increasing model predictive accuracy from 69% to 89%.

Conducted code reviews and implemented documentation guidelines, reducing technical debt and improving development velocity across the team.

Education

UNIVERSITY OF LAGOS
Lagos, Lagos, Nigeria

BSc.

Petroleum Engineering

Grade: 4.46/5.0

Courses

Undergraduate Research Project - Early detection of undesirable events in oil wells using machine learning

Skills

Core Competencies

Python, SQL, NLP & LLMs, Predictive Modelling, Time Series Forecasting, Machine Learning, Deep Learning, Data Analysis.

Tech Stack

PyTorch, TensorFlow, Hugging Face, LangChain, Docker, Google Cloud (GCP), Flask, Streamlit, Git, Linux, spaCy, NLTK, Chart.js, Dialogflow, JavaScript.

Projects

Clinical Instruct API

Summary

Developed a fine-tuned GPT-2 (355M) language model to assist with clinical reasoning tasks, demonstrating advanced NLP capabilities.

Jane Street Kaggle Competition

Summary

Participated in the Jane Street Kaggle Competition, applying advanced quantitative methods and machine learning algorithms to financial market prediction.

ReddiTagger

Summary

Created a system for tagging and categorizing Reddit posts, leveraging natural language processing to improve content organization and searchability.

Spotify Song Clustering Analysis

Summary

Conducted a comprehensive data analysis project to cluster Spotify songs based on various audio features and metadata, providing insights into musical genres and listener preferences.