Chidinma Okeke, data scientist

Chidinma Okeke

Junior Data Scientist, NLP & Text Analytics

Lagos, Nigeria · West Africa Time (UTC+1) · 2 years of experience

Chidinma focuses on turning messy data into tested models and useful decisions.

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Why this profile fits

Decision-first problem framing

Starts with the decision, target metric, and data limits before choosing a model or analytical method.

Validated modeling

Uses holdouts, experiment design, and error analysis to separate a useful signal from a convincing notebook.

Clear operational handoff

Documents assumptions, monitoring needs, and the path from analysis to a decision or production workflow.

Relevant toolkit

PythonSQLscikit-learnPyTorchdbt

Delivery evidence

Selected work

Support Ticket Intent Router

Fintech support operations

Built a multi-class NLP classifier that tags incoming support tickets by intent and urgency, then routes them to the right queue. Trained on 60,000 historical tickets with a fine-tuned DistilBERT model served through FastAPI, reaching 91% macro F1 and auto-routing 42% of volume. Median first-response time dropped from 6.5 to 4.7 hours.

PythonHugging Face Transformers

Product Review Insight Miner

E-commerce marketplace

Aspect-based sentiment analysis and topic modeling over 400,000 product reviews to surface recurring complaints per category. Combined BERTopic for theme discovery with a fine-tuned sentiment model, then delivered a Streamlit dashboard merchants use weekly. Flagged three defect clusters that drove a packaging change and a measurable drop in return rate.

PythonPolars
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Relevant experience

Career timeline

Junior Data Scientist, NLP & Text Analytics

2024–Present

Devlyn (remote client delivery) · Lagos, Nigeria (Remote)

  • Built and shipped text-classification and intent-detection models across three client engagements, including a support-ticket router that auto-handled 42% of volume and cut median first-response time by 28%.

Junior Data Scientist / Data Analyst

2023–2024

MarketMint (e-commerce marketplace) · Lagos, Nigeria

  • Mined more than 400,000 product reviews with BERTopic and aspect-based sentiment analysis, surfacing defect clusters that informed a packaging change and a measurable drop in category return rate.

Data Science Intern

2023–2023

Kudi Systems (fintech) · Lagos, Nigeria

  • Cleaned and labeled 60,000 historical support tickets to bootstrap the company's first intent-classification dataset, defining a 14-class taxonomy with the operations team.

Skill depth

Show experience in context.

VerbalCommunicationDomainUnderstandingProblemSolvingCodeQualitySystemDesignDeliverySpeed
Competency shapeAssessment across the same six dimensions used for every profile.

Relevant experience by skill

Python3 years
SQL3 years
pandas3 years
scikit-learn2 years
NLP2 years
PyTorch2 years
Hugging Face Transformers2 years
See the complete skill index

Languages

PythonSQLRBash

Frameworks

PyTorchTensorFlowscikit-learnHugging Face TransformersFastAPIStreamlit

Libraries/APIs

pandasPolarsNumPyspaCyNLTKBERTopicsentence-transformersLangChainXGBooststatsmodelsSHAP

Tools

MLflowdbtJupyterGitDockerWeights & BiasesDVC

Paradigms

Text ClassificationSentiment AnalysisTopic ModelingNamed Entity RecognitionRetrieval-Augmented GenerationA/B TestingFeature EngineeringModel Evaluation

Platforms

Google CloudAWSDatabricksGoogle Colab

Storage

PostgreSQLpgvectorSnowflakeBigQueryRedisSQLite

Other

Data VisualizationExperiment TrackingPrompt EngineeringReproducible ResearchError Analysis

Education

Formal background

BSc, Statistics

University of Lagos · 2019–2023 · Second Class Upper Division (2:1)

Credentials

Certifications

dbt Analytics Engineering Certification

dbt Labs · 2022 · Certified

Communication

Languages

English

Native

Igbo

Native

Yoruba

Conversational

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