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Praise Sunday

Praise Sunday

Senior Software Engineer | ML, NLP & Code Evaluation Expert

Nigeria flagAba, Nigeria
$30.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

Natural Language Processing (NLP)
Machine Learning & Data Science
Software Engineering & Code Review

Top Data Types

TextText
VideoVideo

Top Task Types

ClassificationClassification

Freelancer Overview

Senior Full-Stack Software Engineer with 7+ years of production experience in fintech, SaaS, and AI/NLP. Founder of Techdozie Solutions. Creator and annotator of the first Igbo-English code-mixed hate speech detection dataset (268 labeled examples, collected via Google Form from native speakers and Igbo-English dictionary sources). Trained a Keras neural classifier on the dataset, achieving 79.6% test accuracy. This was my HND final-year research project. Published PySpamDetector on PyPI, a Python ML library using Logistic Regression with TF-IDF features for spam classification, achieving 96.6% test accuracy. Core skills for AI training: Python, NLP, text classification, data annotation, labeling workflows, dataset construction, and technical writing. Comfortable evaluating model outputs, writing clear annotations, and producing accurate labels across text-based tasks. Education: Higher National Diploma (HND) Computer Science, Akanu Ibiam Federal Polytechnic, Unwana (2024). National Diploma (ND) Computer Science, Akanu Ibiam Federal Polytechnic, Unwana (2020).

Entry LevelEnglishIgbo

Labeling Experience

Creator and Annotator, Igbo-English Hate Speech Dataset

OtherTextClassification
Created and labeled a novel 268-example dataset of Igbo-English code-mixed text for hate speech detection as a final year research project. Annotated each entry with hate speech, non-hate, and nuanced language use, defining clear labeling guidelines for the dataset. Developed and trained a Keras-based neural classifier using these labeled examples and shipped a Kivy GUI for real-time model evaluation. • Built dataset from scratch, including manual text collection and annotation. • Labeled for complex hate, non-hate, and code-mixed tokens. • Actively participated in model validation using labeled data. • Designed annotation schema and labeling workflow documentation.

Created and labeled a novel 268-example dataset of Igbo-English code-mixed text for hate speech detection as a final year research project. Annotated each entry with hate speech, non-hate, and nuanced language use, defining clear labeling guidelines for the dataset. Developed and trained a Keras-based neural classifier using these labeled examples and shipped a Kivy GUI for real-time model evaluation. • Built dataset from scratch, including manual text collection and annotation. • Labeled for complex hate, non-hate, and code-mixed tokens. • Actively participated in model validation using labeled data. • Designed annotation schema and labeling workflow documentation.

2022 - 2022

Education

A

Akanu Ibiam Federal Polytechnic, Unwana

Higher National Diploma, Computer Science

Higher National Diploma
2022 - 2024
A

Akanu Ibiam Federal Polytechnic, Unwana

National Diploma, Computer Science

National Diploma
2018 - 2020

Work History

E

Eleven23 Digital

Part-Time Remote Software Developer

Lagos
2025 - Present
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Techdozie Solutions

Founder and Tech Lead

Aba
2019 - Present