Joseph L.

Key Skills

Software

Don't disclose

Label Studio

Top Subject Matter

Conversational AI / Natural Language Processing (NLP)

AI dataset annotation for machine learning / multimedia (text, image, audio)

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

Classification

Freelancer Overview

AI Trainer — ABC AI Solutions. Core strengths include Don't disclose and Label Studio. Education includes Diploma in Biomedical Engineering, Kenya Medical Training College – Meru Campus (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Trainer — ABC AI Solutions

Don't discloseText

Trained and evaluated AI models to improve response accuracy and the quality of user interactions. Reviewed AI-generated outputs and provided feedback to support continuous model improvement. Created and labeled datasets for machine learning and NLP projects, including prompt testing and optimization for chatbot performance. • Performed quality assurance checks to maintain consistent data standards • Assisted in developing training guidelines and annotation procedures • Collaborated with engineers and researchers to identify model weaknesses • Provided iterative feedback to improve model behavior

2024 - Present

Data Annotation Specialist — TechVision Africa

Label StudioTextClassification

Annotated text, image, and audio datasets for AI and machine learning applications. Verified and corrected labeled data to ensure quality compliance and maintain high accuracy. Supported AI model testing and performance evaluation activities, generating detailed reports and feedback for project managers and developers. • Maintained labeling accuracy while meeting project deadlines • Verified and corrected labels for quality compliance • Produced detailed reports and feedback for developers and managers • Supported performance evaluation and model testing

2022 - 2023

Education

Work History