James N.

Key Skills

Software

CVAT

Label Studio

Other

Top Subject Matter

Autonomous Vehicles

Computer Vision

Nlp Domain Expertise

Top Data Types

Image

Text

Document

Top Task Types

Bounding Box

Classification

Freelancer Overview

Senior Data Labeling Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Label Studio, and Internal. Education includes Bachelor of Science, University of Eldoret (2026). AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box and Classification.

Labeling Experience

Senior Data Labeling Specialist

CVATImageBounding Box

I led high-volume image annotation projects for computer vision and object detection at AI Vision Technologies Ltd. My responsibilities included applying bounding box, polygon, and semantic segmentation labels to datasets used in autonomous vehicle systems. I also managed NLP labeling projects and ensured quality through detailed QA procedures. • Annotated over 1.2 million images for object detection and segmentation • Conducted quality assurance reviews with 98% annotation accuracy • Trained junior annotators on guidelines and workflow processes • Managed NLP tasks like sentiment analysis and named entity recognition

2023 - Present

Data Annotation Associate

Label StudioTextClassification

At Digital AI Solutions, I worked on diverse annotation tasks for machine learning model training across text, image, and audio data. My core duties included speech transcription, audio classification, content moderation, and document OCR annotation. I maintained productivity targets and ensured annotation quality for social media and multilingual datasets. • Labeled text, image, and audio datasets for AI training • Performed speech transcription and audio classification • Conducted content moderation and categorization for social media projects • Assisted in OCR data extraction for document processing

2021 - 2022

Freelance AI Data Annotator

ImageClassification

As a Freelance AI Data Annotator, I contributed to several AI training projects involving image tagging, text annotation, and chatbot data preparation. I delivered labeled datasets for domains such as healthcare, retail, and e-commerce while participating in QA processes. My focus was on meeting tight deadlines and delivering consistent, high-quality annotations. • Worked on image tagging and text labeling for AI projects • Annotated datasets for healthcare, retail, and e-commerce • Participated in QA and dataset verification tasks • Delivered high-quality labeled data under tight deadlines

2019 - 2021

Education

Work History