Ajijolaoluwa A.

Key Skills

Software

CVAT

Top Subject Matter

AI/ML training and RAG/agentic workflows instruction (NLP/NLU)

AI model training support

NER labeling

Top Data Types

Text

Audio

Document

Top Task Types

Entity (NER) Classification

Data Collection

Freelancer Overview

AI & Machine Learning Lead IT Instructor (LangGraph/ReAct UNITES INTEGRATED). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include LangGraph (ReAct), Gemini & GPT-4o, and Sentence Transformers. Education includes Bachelor of Science, Obafemi Awolowo University (2025). AI-training focus includes data types such as Text and labeling workflows including Computer Programming, Coding, and Entity (NER) Classification.

Labeling Experience

AI & Machine Learning Lead IT Instructor (LangGraph/ReAct UNITES INTEGRATED)

Text

Leading AI & machine learning instruction by building and teaching RAG pipelines and agentic workflows for learners. Develops curriculum content and success metrics centered on modern NLP components like sentence transformers and GPT-4o/Gemini. Coaches students on end-to-end AI solution reasoning using practical lab-style exercises. • Teaches JavaScript, Operating Systems, IT Essentials, and Scratch alongside AI topics. • Designs lesson plans, instructional materials, and learning evaluation criteria. • Coordinates with partner institutions to align project goals and classroom deliverables. • Acts as a primary liaison for administrative support during the program.

2026 - Present

Data Annotator (Awarri)

TextData Collection

Collaborated with a dataset team to annotate, label, and validate high-quality data for training African-centric AI models. Ensured data accuracy and consistency to improve cultural relevance and reduce label noise. Contributed to labeling verification processes used for dataset quality assurance. • Annotates and labels training data alongside team members. • Validates labeled outputs to maintain consistency across examples. • Focuses on cultural relevance of language and content. • Supports dataset preparation for downstream model training.

2025 - 2026

Freelance AI Trainer & Developer (Multimango/Outlier)

CVATTextEntity (NER) Classification

Trained and refined AI models for complex web development tasks to improve code reasoning and accuracy. Performed Named Entity Recognition (NER) and precise labeling on dataset samples to enhance model understanding. Supported dataset and labeling quality for improved downstream evaluation. • Uses CVAT for dataset labeling workflow (as referenced). • Applies DataCamp materials and labeling tasks (2025) to refine model outputs. • Focuses on production-oriented AI model behavior and deployment readiness. • Improves labeling consistency for higher-quality training examples.

2025 - 2026

Education

Work History