Winnie Anyango

Key Skills

Software

Appen

Clickworker

CVAT

Label Studio

Mindrift

OneForma

Remotasks

Scale AI

SuperAnnotate

Toloka

Telus

Top Subject Matter

General AI dataset preparation

content moderation

and transcription

Top Data Types

Image

Text

Document

Top Task Types

Classification

Bounding Box

Polygon

Segmentation

Entity (NER) Classification

Point/Key Point

Polyline

Cuboid

Object Detection

Text Generation

Transcription

Text Summarization

Evaluation/Rating

Prompt + Response Writing (SFT)

RLHF

Freelancer Overview

Freelance Data Annotator / AI Training Contributor. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT. Education includes Certificate, Moringa School (2021). AI-training focus includes data types such as Image and labeling workflows including Classification.

Labeling Experience

Freelance Data Annotator / AI Training Contributor

CVATImageClassification

As a freelance data annotator and AI training contributor, I supported machine learning teams by preparing datasets through annotation, transcription, and content moderation tasks across various platforms. I applied strict annotation guidelines to maintain high accuracy and adapt to changing project requirements. I was responsible for labeling images and text, performing data validation, and conducting quality checks to ensure dataset reliability. • Labeled both image and text data for training and validating machine learning models • Used annotation platforms including CVAT, SuperAnnotate, Label Studio, Remotasks, Toloka, Outlier AI, Mindrift, and Clickworker • Maintained output quality through self-reviews and adherence to detailed guidelines • Handled task updates and evolving annotation standards efficiently

As a freelance data annotator and AI training contributor, I supported machine learning teams by preparing datasets through annotation, transcription, and content moderation tasks across various platforms. I applied strict annotation guidelines to maintain high accuracy and adapt to changing project requirements. I was responsible for labeling images and text, performing data validation, and conducting quality checks to ensure dataset reliability. • Labeled both image and text data for training and validating machine learning models • Used annotation platforms including CVAT, SuperAnnotate, Label Studio, Remotasks, Toloka, Outlier AI, Mindrift, and Clickworker • Maintained output quality through self-reviews and adherence to detailed guidelines • Handled task updates and evolving annotation standards efficiently

2021 - Present

Education

Work History