Michael Lubanga

Key Skills

Software

Labelbox

CVAT

Doccano

Top Subject Matter

Natural Language Processing (NLP)

Conversational AI

Computer Vision

Top Data Types

Text

Image

Audio

Top Task Types

Classification

Bounding Box

Transcription

Freelancer Overview

AI Data Annotation Specialist. Core strengths include Labelbox, CVAT, and Doccano. Education includes Bachelor of Arts, Africa International University (2020). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification, Bounding Box, and Transcription.

Labeling Experience

AI Data Annotation Specialist

LabelboxAudioTranscription

Transcribed audio datasets into accurate text as part of AI and speech recognition model training. Maintained format and timestamps in transcripts, and reviewed transcripts for grammar, clarity, and contextual accuracy. Audio datasets primarily included English and Swahili recordings. • Preserved confidentiality and handled proprietary data • Utilized annotation tools for efficient audio labeling • Consistently adhered to annotation and formatting standards • Worked across multiple audio projects for diverse use cases

Transcribed audio datasets into accurate text as part of AI and speech recognition model training. Maintained format and timestamps in transcripts, and reviewed transcripts for grammar, clarity, and contextual accuracy. Audio datasets primarily included English and Swahili recordings. • Preserved confidentiality and handled proprietary data • Utilized annotation tools for efficient audio labeling • Consistently adhered to annotation and formatting standards • Worked across multiple audio projects for diverse use cases

2021 - 2026

AI Data Annotation Specialist

LabelboxImageBounding Box

Labeled image datasets for computer vision tasks including object detection and image classification. Applied bounding boxes to identify and categorize various objects within images for machine learning models. Ensured high annotation accuracy by performing detailed quality checks. • Used annotation tools dedicated to image data (Labelbox, CVAT) • Followed precise project guidelines for image labeling • Handled large volumes of annotation work under deadlines • Contributed to high-quality datasets for AI model training

Labeled image datasets for computer vision tasks including object detection and image classification. Applied bounding boxes to identify and categorize various objects within images for machine learning models. Ensured high annotation accuracy by performing detailed quality checks. • Used annotation tools dedicated to image data (Labelbox, CVAT) • Followed precise project guidelines for image labeling • Handled large volumes of annotation work under deadlines • Contributed to high-quality datasets for AI model training

2021 - 2026

AI Data Annotation Specialist

LabelboxTextClassification

Labeled and annotated text datasets for use in NLP and machine learning models. Tasks included text classification, intent recognition, sentiment analysis, and entity recognition. Trained conversational AI datasets for chatbots and virtual assistants using consistent guidelines. • Performed quality control and ensured dataset consistency • Used specialized annotation tools for text labeling tasks • Worked on multilingual datasets including English and Swahili • Followed confidentiality protocols when handling sensitive data

Labeled and annotated text datasets for use in NLP and machine learning models. Tasks included text classification, intent recognition, sentiment analysis, and entity recognition. Trained conversational AI datasets for chatbots and virtual assistants using consistent guidelines. • Performed quality control and ensured dataset consistency • Used specialized annotation tools for text labeling tasks • Worked on multilingual datasets including English and Swahili • Followed confidentiality protocols when handling sensitive data

2021 - 2026

Education

Work History