Githumbi Wakaba

Key Skills

Software

Toloka

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Classification

Freelancer Overview

I am an experienced data annotator with over 5 years specializing in labeling, classifying, and reviewing text, image, and video datasets for AI model training and evaluation. My work spans platforms such as Toloka, Appen, Scale AI, Labelbox, and Remotasks, where I have ensured high-quality, accurate annotations through meticulous attention to detail and stringent quality assurance processes. I am skilled at spotting inaccuracies, sensitive content, and inconsistencies, which has helped improve dataset integrity and AI performance. My strong communication and collaboration abilities have allowed me to contribute to workflow optimization and annotation standards across diverse projects, including computer vision and natural language processing tasks.

Labeling Experience

Freelance Data Annotator

TolokaTextClassification

Annotated and classified datasets including text, images, and video for AI model training and evaluation. Conducted quality assurance reviews to ensure labeling accuracy and adherence to project guidelines. Worked with cross-functional teams to improve workflow efficiency. • Annotated and classified datasets for AI model training. • Conducted quality assurance to ensure accuracy. • Improved workflow efficiency by 20%. • Ensured high-quality training data using skilled platforms.

Annotated and classified datasets including text, images, and video for AI model training and evaluation. Conducted quality assurance reviews to ensure labeling accuracy and adherence to project guidelines. Worked with cross-functional teams to improve workflow efficiency. • Annotated and classified datasets for AI model training. • Conducted quality assurance to ensure accuracy. • Improved workflow efficiency by 20%. • Ensured high-quality training data using skilled platforms.

2019

Education

Work History