Rose Wangari

Key Skills

Software

CVAT

Other

Appen

Remotasks

Top Subject Matter

Computer Vision

AI Training

Speech Recognition

Top Data Types

Video

Document

Audio

Image

Top Task Types

Object Detection

Classification

Transcription

Segmentation

Freelancer Overview

Video Annotator – Atlas Capture. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Other, and Appen. Education includes Bachelor of Science, Kenyatta University (2014). AI-training focus includes data types such as Video, Document, and Audio and labeling workflows including Object Detection, Classification, and Transcription.

Labeling Experience

Data Annotator (Ubuntu Desktop Operator) – Turing

OtherDocumentClassification

As a Data Annotator (Ubuntu Desktop Operator) at Turing, I perform comprehensive data refinement to enhance dataset quality. I execute complex annotation and validation workflows within the Ubuntu desktop environment. My role emphasizes rigorous quality control and collaboration with technical teams. • Label and process diverse datasets for AI models. • Conduct accuracy and consistency reviews. • Troubleshoot and optimize data annotation methods. • Ensure output meets strict quality guidelines.

As a Data Annotator (Ubuntu Desktop Operator) at Turing, I perform comprehensive data refinement to enhance dataset quality. I execute complex annotation and validation workflows within the Ubuntu desktop environment. My role emphasizes rigorous quality control and collaboration with technical teams. • Label and process diverse datasets for AI models. • Conduct accuracy and consistency reviews. • Troubleshoot and optimize data annotation methods. • Ensure output meets strict quality guidelines.

2025 - Present

Video Annotator – Atlas Capture

CVATVideoObject Detection

As a Video Annotator at Atlas Capture, I annotate and label video datasets for machine learning and computer vision projects. My responsibilities include frame-by-frame labeling for object detection, tracking, and motion analysis. I ensure high-quality standards through systematic quality assurance and process optimization. • Deliver precise video annotations to support advanced AI models. • Collaborate with managers for project-specific requirements. • Conduct validation and continuous workflow improvements. • Maintain strict adherence to deadlines and quality benchmarks.

As a Video Annotator at Atlas Capture, I annotate and label video datasets for machine learning and computer vision projects. My responsibilities include frame-by-frame labeling for object detection, tracking, and motion analysis. I ensure high-quality standards through systematic quality assurance and process optimization. • Deliver precise video annotations to support advanced AI models. • Collaborate with managers for project-specific requirements. • Conduct validation and continuous workflow improvements. • Maintain strict adherence to deadlines and quality benchmarks.

2025 - Present

Data Annotator – Avala

AppenAudioTranscription

During my tenure as a Data Annotator at Avala, I focused on speech-to-text and image annotation tasks. My duties involved reviewing, transcribing, and annotating audio files with high accuracy. I also managed complex datasets and communicated regularly with clients to meet established standards. • Provide end-to-end speech-to-text annotation for ML projects. • Conduct detailed client-specific annotation reviews. • Oversee dataset management and timely deliveries. • Participate in ongoing improvements to labeling practices.

During my tenure as a Data Annotator at Avala, I focused on speech-to-text and image annotation tasks. My duties involved reviewing, transcribing, and annotating audio files with high accuracy. I also managed complex datasets and communicated regularly with clients to meet established standards. • Provide end-to-end speech-to-text annotation for ML projects. • Conduct detailed client-specific annotation reviews. • Oversee dataset management and timely deliveries. • Participate in ongoing improvements to labeling practices.

2024 - 2025

Data Annotator – Remotasks

RemotasksImageSegmentation

At Remotasks, I contributed to the annotation of text, images, and video data for diverse AI projects. My work focused on image segmentation, bounding box annotation, and sentiment analysis for machine learning datasets. I ensured superior data quality via detailed QA checks and ongoing process enhancements. • Manage image and video annotation for autonomous vehicles and social media. • Execute precise segmentation and bounding box labeling. • Lead continuous improvement in efficiency and best practices. • Collaborate on project discussions across multiple industries.

At Remotasks, I contributed to the annotation of text, images, and video data for diverse AI projects. My work focused on image segmentation, bounding box annotation, and sentiment analysis for machine learning datasets. I ensured superior data quality via detailed QA checks and ongoing process enhancements. • Manage image and video annotation for autonomous vehicles and social media. • Execute precise segmentation and bounding box labeling. • Lead continuous improvement in efficiency and best practices. • Collaborate on project discussions across multiple industries.

2019 - 2023

Education

Work History