Hillary O.

Key Skills

Software

Other

Labelbox

CVAT

Top Subject Matter

Machine learning training datasets (computer vision and audio)

Computer vision and speech recognition datasets

Multimodal dataset preparation (vision and audio)

Top Data Types

Image

Video

Audio

Top Task Types

Object Detection

Segmentation

Tracking

Transcription

Classification

Text Summarization

Freelancer Overview

AI Training Specialist, TechVision Data Solutions. Core strengths include Other, Labelbox, and CVAT. Education includes Bachelor of Science, University of Nairobi (2021) and Certificate, Coursera (2022). AI-training focus includes data types such as Image, Video, and Audio and labeling workflows including Object Detection, Segmentation, and Tracking.

Labeling Experience

AI Training Specialist, TechVision Data Solutions

OtherImageObject DetectionSegmentation

Annotated images, videos, and audio datasets to support AI training workflows. Performed bounding box annotations, polygon segmentation, and object tracking to produce model-ready labels. Prepared YOLO-formatted datasets for object detection while running quality checks to maintain annotation accuracy. • Image annotation with bounding boxes • Video annotation with object tracking • Polygon segmentation for targeted regions • Quality assurance and ML engineer collaboration

2023 - Present

Data Annotation Specialist, SmartAI Analytics

LabelboxImageObject DetectionClassification

Labeled large-scale datasets for computer vision and speech recognition applications. Used Labelbox and CVAT to complete structured annotations and maintain consistent labeling practices. Created metadata and upheld labeling guidelines to improve dataset usability for downstream training. • Structured CV annotations using Labelbox and CVAT • Metadata creation and guideline maintenance • Support for retail and automation AI training datasets • Preparation of speech recognition labels

2022 - 2023

Junior AI Data Annotator, Digital Learning Labs

OtherImageTrackingTranscription

Performed manual image and video frame-by-frame annotation for dataset preparation. Conducted audio transcription and sound labeling to create audio training targets. Assisted with object tracking and dataset validation to improve annotation reliability. • Frame-by-frame video labeling • Audio transcription and sound labeling • Object tracking support • Dataset validation activities

2021 - 2022

Education