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B
Bobb

Bobb

Freelance Data Labeler (Remote)

Kenya flagNairobi, Kenya

Key Skills

Software

LabelboxLabelbox
SuperviselySupervisely
CVATCVAT
RoboflowRoboflow
Other

Top Subject Matter

Computer Vision (image annotation for AI/ML)
Natural Language Processing (NLP) text annotation
Speech/Audio (audio transcription for AI/ML)

Top Data Types

ImageImage
TextText
AudioAudio

Top Task Types

SegmentationSegmentation
Entity (NER) ClassificationEntity (NER) Classification
TranscriptionTranscription
ClassificationClassification
Bounding BoxBounding Box
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
Function CallingFunction Calling
Computer Programming/CodingComputer Programming/Coding

Freelancer Overview

Freelance Data Labeler (Remote). Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, Supervisely, and CVAT. Education includes Bachelor of Science, University of Nairobi (2016). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Segmentation, Entity (NER) Classification, and Transcription.

Labeling Experience

Image & Text Annotation for AI Training

ImageImageBounding BoxBounding Box

Created and maintained labeled datasets for research by performing text categorization and structured metadata tagging. Ensured the resulting datasets were clean, well-organized, and suitable for analysis workflows. Provided support to researchers to improve usability of labeled data. • Categorized text content fAnnotated over 50,000 images and text samples for machine learning projects. Applied bounding boxes, polygon segmentation, and text classification with 98%+ accuracy. Collaborated with international teams to deliver high‑quality labeled datasets ahead of deadlines. Experienced with tools such as Labelbox, CVAT, and Supervisely. Contributed to projects in computer vision (object detection) and natural language processing (sentiment analysis).or dataset building • Tagged records with relevant metadata • Organized labeled data for research analysis • Ensured structured outputs for downstream processing

2018 - Present

Audio Transcription for AI Training

OtherTextTextTranscriptionTranscription

Contributed to audio transcription labeling for AI training data in addition to image and text annotation tasks. Applied transcription labeling standards to produce accurate, structured outputs. Followed quality assurance practices to maintain reliability under time constraints. • Produced transcription labels for audio samples • Ensured accuracy via review and consistency checks • Reported issues encountered during labeling

2020 - Present
Labelbox

Freelance Data Labeler (Remote)

LabelboxLabelboxTextTextEntity (NER) ClassificationEntity (NER) Classification

Annotated text samples for AI/ML projects using text classification and metadata/categorization labels. Ensured high accuracy with double-checking and consistency checks before submission. Worked with teams focused on NLP dataset preparation and labeling quality. • Labeled thousands of text samples for training data • Applied text categorization and sentiment-related labels • Performed quality assurance on label correctness • Supported NLP dataset readiness for model deployment

2020 - Present
Labelbox

Freelance Data Labeler (Remote)

LabelboxLabelboxImageImageSegmentationSegmentation

Performed image tagging and geometric annotations (including bounding boxes and polygon segmentation) to support computer vision AI training datasets. Maintained high label accuracy through rigorous quality checks and consistency verification across samples. Collaborated with international teams to deliver clean, structured annotations on schedule. • Labeled thousands of images for AI training • Applied annotation guidelines to ensure consistency • Reported and corrected labeling errors during QA • Delivered datasets ahead of deadlines for faster model deployment

2020 - Present

Education

U

University of Nairobi

Bachelor of Science, Information Technology

Bachelor of Science
2016 - 2016

Work History

F

Freelance

Freelance Digital Specialist

Nairobi
2019 - Present
V

Various Clients

Content Writer and Editor

Nairobi
2017 - 2019